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authorMatthias Schiffer <matthias@gamezock.de>2009-05-17 01:34:10 +0200
committerMatthias Schiffer <matthias@gamezock.de>2009-05-17 01:34:10 +0200
commita3e566c4d3631076e29f3651554603184b6351a7 (patch)
tree71effee59fd4364174f7a845204f946dbc18ff2a /lib
parentc8d469cc3de8ef2fb95f7b47355ebf5318a4c22f (diff)
downloadmad-a3e566c4d3631076e29f3651554603184b6351a7.tar
mad-a3e566c4d3631076e29f3651554603184b6351a7.zip
Gnulib durch boost ersetzt
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.am197
-rw-r--r--lib/Makefile.in792
-rw-r--r--lib/base64.c576
-rw-r--r--lib/base64.h61
-rw-r--r--lib/errno.in.h155
-rw-r--r--lib/gettimeofday.c145
-rw-r--r--lib/glthread/cond.c464
-rw-r--r--lib/glthread/cond.h408
-rw-r--r--lib/glthread/lock.c1058
-rw-r--r--lib/glthread/lock.h927
-rw-r--r--lib/glthread/thread.c218
-rw-r--r--lib/glthread/thread.h376
-rw-r--r--lib/glthread/threadlib.c74
-rw-r--r--lib/ignore-value.h45
-rw-r--r--lib/stdbool.in.h119
-rw-r--r--lib/sys_time.in.h64
-rw-r--r--lib/time.in.h118
17 files changed, 0 insertions, 5797 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am
deleted file mode 100644
index e0f95a2..0000000
--- a/lib/Makefile.am
+++ /dev/null
@@ -1,197 +0,0 @@
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-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
-# the same distribution terms as the rest of that program.
-#
-# Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=config --libtool --macro-prefix=gl --no-vc-files base64 cond ignore-value thread
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-## begin gnulib module errno
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-MOSTLYCLEANFILES += errno.h errno.h-t
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-## end gnulib module errno
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-## begin gnulib module gettimeofday
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-EXTRA_DIST += gettimeofday.c
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-## end gnulib module gettimeofday
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-## end gnulib module havelib
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-## begin gnulib module ignore-value
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-## end gnulib module ignore-value
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-## begin gnulib module lock
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-## end gnulib module lock
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-## begin gnulib module stdbool
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- mv $@-t $@
-MOSTLYCLEANFILES += stdbool.h stdbool.h-t
-
-EXTRA_DIST += stdbool.in.h
-
-## end gnulib module stdbool
-
-## begin gnulib module sys_time
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-BUILT_SOURCES += $(SYS_TIME_H)
-
-# We need the following in order to create <sys/time.h> when the system
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- -e 's/@''HAVE_STRUCT_TIMEVAL''@/$(HAVE_STRUCT_TIMEVAL)/g' \
- < $(srcdir)/sys_time.in.h; \
- } > $@-t
- mv $@-t $@
-MOSTLYCLEANFILES += sys/time.h sys/time.h-t
-
-EXTRA_DIST += sys_time.in.h
-
-## end gnulib module sys_time
-
-## begin gnulib module thread
-
-libgnu_la_SOURCES += glthread/thread.h glthread/thread.c
-
-## end gnulib module thread
-
-## begin gnulib module threadlib
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-libgnu_la_SOURCES += glthread/threadlib.c
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-EXTRA_DIST += $(top_srcdir)/config/config.rpath
-
-## end gnulib module threadlib
-
-## begin gnulib module time
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-BUILT_SOURCES += time.h
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-# We need the following in order to create <time.h> when the system
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- < $(srcdir)/time.in.h; \
- } > $@-t
- mv $@-t $@
-MOSTLYCLEANFILES += time.h time.h-t
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-EXTRA_DIST += time.in.h
-
-## end gnulib module time
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diff --git a/lib/Makefile.in b/lib/Makefile.in
deleted file mode 100644
index 3ebf543..0000000
--- a/lib/Makefile.in
+++ /dev/null
@@ -1,792 +0,0 @@
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-# with or without modifications, as long as this notice is preserved.
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diff --git a/lib/base64.c b/lib/base64.c
deleted file mode 100644
index 42ccc9c..0000000
--- a/lib/base64.c
+++ /dev/null
@@ -1,576 +0,0 @@
-/* base64.c -- Encode binary data using printable characters.
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- Foundation, Inc.
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- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Simon Josefsson. Partially adapted from GNU MailUtils
- * (mailbox/filter_trans.c, as of 2004-11-28). Improved by review
- * from Paul Eggert, Bruno Haible, and Stepan Kasal.
- *
- * See also RFC 3548 <http://www.ietf.org/rfc/rfc3548.txt>.
- *
- * Be careful with error checking. Here is how you would typically
- * use these functions:
- *
- * bool ok = base64_decode_alloc (in, inlen, &out, &outlen);
- * if (!ok)
- * FAIL: input was not valid base64
- * if (out == NULL)
- * FAIL: memory allocation error
- * OK: data in OUT/OUTLEN
- *
- * size_t outlen = base64_encode_alloc (in, inlen, &out);
- * if (out == NULL && outlen == 0 && inlen != 0)
- * FAIL: input too long
- * if (out == NULL)
- * FAIL: memory allocation error
- * OK: data in OUT/OUTLEN.
- *
- */
-
-#include <config.h>
-
-/* Get prototype. */
-#include "base64.h"
-
-/* Get malloc. */
-#include <stdlib.h>
-
-/* Get UCHAR_MAX. */
-#include <limits.h>
-
-#include <string.h>
-
-/* C89 compliant way to cast 'char' to 'unsigned char'. */
-static inline unsigned char
-to_uchar (char ch)
-{
- return ch;
-}
-
-/* Base64 encode IN array of size INLEN into OUT array of size OUTLEN.
- If OUTLEN is less than BASE64_LENGTH(INLEN), write as many bytes as
- possible. If OUTLEN is larger than BASE64_LENGTH(INLEN), also zero
- terminate the output buffer. */
-void
-base64_encode (const char *restrict in, size_t inlen,
- char *restrict out, size_t outlen)
-{
- static const char b64str[64] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
- while (inlen && outlen)
- {
- *out++ = b64str[(to_uchar (in[0]) >> 2) & 0x3f];
- if (!--outlen)
- break;
- *out++ = b64str[((to_uchar (in[0]) << 4)
- + (--inlen ? to_uchar (in[1]) >> 4 : 0))
- & 0x3f];
- if (!--outlen)
- break;
- *out++ =
- (inlen
- ? b64str[((to_uchar (in[1]) << 2)
- + (--inlen ? to_uchar (in[2]) >> 6 : 0))
- & 0x3f]
- : '=');
- if (!--outlen)
- break;
- *out++ = inlen ? b64str[to_uchar (in[2]) & 0x3f] : '=';
- if (!--outlen)
- break;
- if (inlen)
- inlen--;
- if (inlen)
- in += 3;
- }
-
- if (outlen)
- *out = '\0';
-}
-
-/* Allocate a buffer and store zero terminated base64 encoded data
- from array IN of size INLEN, returning BASE64_LENGTH(INLEN), i.e.,
- the length of the encoded data, excluding the terminating zero. On
- return, the OUT variable will hold a pointer to newly allocated
- memory that must be deallocated by the caller. If output string
- length would overflow, 0 is returned and OUT is set to NULL. If
- memory allocation failed, OUT is set to NULL, and the return value
- indicates length of the requested memory block, i.e.,
- BASE64_LENGTH(inlen) + 1. */
-size_t
-base64_encode_alloc (const char *in, size_t inlen, char **out)
-{
- size_t outlen = 1 + BASE64_LENGTH (inlen);
-
- /* Check for overflow in outlen computation.
- *
- * If there is no overflow, outlen >= inlen.
- *
- * If the operation (inlen + 2) overflows then it yields at most +1, so
- * outlen is 0.
- *
- * If the multiplication overflows, we lose at least half of the
- * correct value, so the result is < ((inlen + 2) / 3) * 2, which is
- * less than (inlen + 2) * 0.66667, which is less than inlen as soon as
- * (inlen > 4).
- */
- if (inlen > outlen)
- {
- *out = NULL;
- return 0;
- }
-
- *out = malloc (outlen);
- if (!*out)
- return outlen;
-
- base64_encode (in, inlen, *out, outlen);
-
- return outlen - 1;
-}
-
-/* With this approach this file works independent of the charset used
- (think EBCDIC). However, it does assume that the characters in the
- Base64 alphabet (A-Za-z0-9+/) are encoded in 0..255. POSIX
- 1003.1-2001 require that char and unsigned char are 8-bit
- quantities, though, taking care of that problem. But this may be a
- potential problem on non-POSIX C99 platforms.
-
- IBM C V6 for AIX mishandles "#define B64(x) ...'x'...", so use "_"
- as the formal parameter rather than "x". */
-#define B64(_) \
- ((_) == 'A' ? 0 \
- : (_) == 'B' ? 1 \
- : (_) == 'C' ? 2 \
- : (_) == 'D' ? 3 \
- : (_) == 'E' ? 4 \
- : (_) == 'F' ? 5 \
- : (_) == 'G' ? 6 \
- : (_) == 'H' ? 7 \
- : (_) == 'I' ? 8 \
- : (_) == 'J' ? 9 \
- : (_) == 'K' ? 10 \
- : (_) == 'L' ? 11 \
- : (_) == 'M' ? 12 \
- : (_) == 'N' ? 13 \
- : (_) == 'O' ? 14 \
- : (_) == 'P' ? 15 \
- : (_) == 'Q' ? 16 \
- : (_) == 'R' ? 17 \
- : (_) == 'S' ? 18 \
- : (_) == 'T' ? 19 \
- : (_) == 'U' ? 20 \
- : (_) == 'V' ? 21 \
- : (_) == 'W' ? 22 \
- : (_) == 'X' ? 23 \
- : (_) == 'Y' ? 24 \
- : (_) == 'Z' ? 25 \
- : (_) == 'a' ? 26 \
- : (_) == 'b' ? 27 \
- : (_) == 'c' ? 28 \
- : (_) == 'd' ? 29 \
- : (_) == 'e' ? 30 \
- : (_) == 'f' ? 31 \
- : (_) == 'g' ? 32 \
- : (_) == 'h' ? 33 \
- : (_) == 'i' ? 34 \
- : (_) == 'j' ? 35 \
- : (_) == 'k' ? 36 \
- : (_) == 'l' ? 37 \
- : (_) == 'm' ? 38 \
- : (_) == 'n' ? 39 \
- : (_) == 'o' ? 40 \
- : (_) == 'p' ? 41 \
- : (_) == 'q' ? 42 \
- : (_) == 'r' ? 43 \
- : (_) == 's' ? 44 \
- : (_) == 't' ? 45 \
- : (_) == 'u' ? 46 \
- : (_) == 'v' ? 47 \
- : (_) == 'w' ? 48 \
- : (_) == 'x' ? 49 \
- : (_) == 'y' ? 50 \
- : (_) == 'z' ? 51 \
- : (_) == '0' ? 52 \
- : (_) == '1' ? 53 \
- : (_) == '2' ? 54 \
- : (_) == '3' ? 55 \
- : (_) == '4' ? 56 \
- : (_) == '5' ? 57 \
- : (_) == '6' ? 58 \
- : (_) == '7' ? 59 \
- : (_) == '8' ? 60 \
- : (_) == '9' ? 61 \
- : (_) == '+' ? 62 \
- : (_) == '/' ? 63 \
- : -1)
-
-static const signed char b64[0x100] = {
- B64 (0), B64 (1), B64 (2), B64 (3),
- B64 (4), B64 (5), B64 (6), B64 (7),
- B64 (8), B64 (9), B64 (10), B64 (11),
- B64 (12), B64 (13), B64 (14), B64 (15),
- B64 (16), B64 (17), B64 (18), B64 (19),
- B64 (20), B64 (21), B64 (22), B64 (23),
- B64 (24), B64 (25), B64 (26), B64 (27),
- B64 (28), B64 (29), B64 (30), B64 (31),
- B64 (32), B64 (33), B64 (34), B64 (35),
- B64 (36), B64 (37), B64 (38), B64 (39),
- B64 (40), B64 (41), B64 (42), B64 (43),
- B64 (44), B64 (45), B64 (46), B64 (47),
- B64 (48), B64 (49), B64 (50), B64 (51),
- B64 (52), B64 (53), B64 (54), B64 (55),
- B64 (56), B64 (57), B64 (58), B64 (59),
- B64 (60), B64 (61), B64 (62), B64 (63),
- B64 (64), B64 (65), B64 (66), B64 (67),
- B64 (68), B64 (69), B64 (70), B64 (71),
- B64 (72), B64 (73), B64 (74), B64 (75),
- B64 (76), B64 (77), B64 (78), B64 (79),
- B64 (80), B64 (81), B64 (82), B64 (83),
- B64 (84), B64 (85), B64 (86), B64 (87),
- B64 (88), B64 (89), B64 (90), B64 (91),
- B64 (92), B64 (93), B64 (94), B64 (95),
- B64 (96), B64 (97), B64 (98), B64 (99),
- B64 (100), B64 (101), B64 (102), B64 (103),
- B64 (104), B64 (105), B64 (106), B64 (107),
- B64 (108), B64 (109), B64 (110), B64 (111),
- B64 (112), B64 (113), B64 (114), B64 (115),
- B64 (116), B64 (117), B64 (118), B64 (119),
- B64 (120), B64 (121), B64 (122), B64 (123),
- B64 (124), B64 (125), B64 (126), B64 (127),
- B64 (128), B64 (129), B64 (130), B64 (131),
- B64 (132), B64 (133), B64 (134), B64 (135),
- B64 (136), B64 (137), B64 (138), B64 (139),
- B64 (140), B64 (141), B64 (142), B64 (143),
- B64 (144), B64 (145), B64 (146), B64 (147),
- B64 (148), B64 (149), B64 (150), B64 (151),
- B64 (152), B64 (153), B64 (154), B64 (155),
- B64 (156), B64 (157), B64 (158), B64 (159),
- B64 (160), B64 (161), B64 (162), B64 (163),
- B64 (164), B64 (165), B64 (166), B64 (167),
- B64 (168), B64 (169), B64 (170), B64 (171),
- B64 (172), B64 (173), B64 (174), B64 (175),
- B64 (176), B64 (177), B64 (178), B64 (179),
- B64 (180), B64 (181), B64 (182), B64 (183),
- B64 (184), B64 (185), B64 (186), B64 (187),
- B64 (188), B64 (189), B64 (190), B64 (191),
- B64 (192), B64 (193), B64 (194), B64 (195),
- B64 (196), B64 (197), B64 (198), B64 (199),
- B64 (200), B64 (201), B64 (202), B64 (203),
- B64 (204), B64 (205), B64 (206), B64 (207),
- B64 (208), B64 (209), B64 (210), B64 (211),
- B64 (212), B64 (213), B64 (214), B64 (215),
- B64 (216), B64 (217), B64 (218), B64 (219),
- B64 (220), B64 (221), B64 (222), B64 (223),
- B64 (224), B64 (225), B64 (226), B64 (227),
- B64 (228), B64 (229), B64 (230), B64 (231),
- B64 (232), B64 (233), B64 (234), B64 (235),
- B64 (236), B64 (237), B64 (238), B64 (239),
- B64 (240), B64 (241), B64 (242), B64 (243),
- B64 (244), B64 (245), B64 (246), B64 (247),
- B64 (248), B64 (249), B64 (250), B64 (251),
- B64 (252), B64 (253), B64 (254), B64 (255)
-};
-
-#if UCHAR_MAX == 255
-# define uchar_in_range(c) true
-#else
-# define uchar_in_range(c) ((c) <= 255)
-#endif
-
-/* Return true if CH is a character from the Base64 alphabet, and
- false otherwise. Note that '=' is padding and not considered to be
- part of the alphabet. */
-bool
-isbase64 (char ch)
-{
- return uchar_in_range (to_uchar (ch)) && 0 <= b64[to_uchar (ch)];
-}
-
-/* Initialize decode-context buffer, CTX. */
-void
-base64_decode_ctx_init (struct base64_decode_context *ctx)
-{
- ctx->i = 0;
-}
-
-/* If CTX->i is 0 or 4, there are four or more bytes in [*IN..IN_END), and
- none of those four is a newline, then return *IN. Otherwise, copy up to
- 4 - CTX->i non-newline bytes from that range into CTX->buf, starting at
- index CTX->i and setting CTX->i to reflect the number of bytes copied,
- and return CTX->buf. In either case, advance *IN to point to the byte
- after the last one processed, and set *N_NON_NEWLINE to the number of
- verified non-newline bytes accessible through the returned pointer. */
-static inline char *
-get_4 (struct base64_decode_context *ctx,
- char const *restrict *in, char const *restrict in_end,
- size_t *n_non_newline)
-{
- if (ctx->i == 4)
- ctx->i = 0;
-
- if (ctx->i == 0)
- {
- char const *t = *in;
- if (4 <= in_end - *in && memchr (t, '\n', 4) == NULL)
- {
- /* This is the common case: no newline. */
- *in += 4;
- *n_non_newline = 4;
- return (char *) t;
- }
- }
-
- {
- /* Copy non-newline bytes into BUF. */
- char const *p = *in;
- while (p < in_end)
- {
- char c = *p++;
- if (c != '\n')
- {
- ctx->buf[ctx->i++] = c;
- if (ctx->i == 4)
- break;
- }
- }
-
- *in = p;
- *n_non_newline = ctx->i;
- return ctx->buf;
- }
-}
-
-#define return_false \
- do \
- { \
- *outp = out; \
- return false; \
- } \
- while (false)
-
-/* Decode up to four bytes of base64-encoded data, IN, of length INLEN
- into the output buffer, *OUT, of size *OUTLEN bytes. Return true if
- decoding is successful, false otherwise. If *OUTLEN is too small,
- as many bytes as possible are written to *OUT. On return, advance
- *OUT to point to the byte after the last one written, and decrement
- *OUTLEN to reflect the number of bytes remaining in *OUT. */
-static inline bool
-decode_4 (char const *restrict in, size_t inlen,
- char *restrict *outp, size_t *outleft)
-{
- char *out = *outp;
- if (inlen < 2)
- return false;
-
- if (!isbase64 (in[0]) || !isbase64 (in[1]))
- return false;
-
- if (*outleft)
- {
- *out++ = ((b64[to_uchar (in[0])] << 2)
- | (b64[to_uchar (in[1])] >> 4));
- --*outleft;
- }
-
- if (inlen == 2)
- return_false;
-
- if (in[2] == '=')
- {
- if (inlen != 4)
- return_false;
-
- if (in[3] != '=')
- return_false;
- }
- else
- {
- if (!isbase64 (in[2]))
- return_false;
-
- if (*outleft)
- {
- *out++ = (((b64[to_uchar (in[1])] << 4) & 0xf0)
- | (b64[to_uchar (in[2])] >> 2));
- --*outleft;
- }
-
- if (inlen == 3)
- return_false;
-
- if (in[3] == '=')
- {
- if (inlen != 4)
- return_false;
- }
- else
- {
- if (!isbase64 (in[3]))
- return_false;
-
- if (*outleft)
- {
- *out++ = (((b64[to_uchar (in[2])] << 6) & 0xc0)
- | b64[to_uchar (in[3])]);
- --*outleft;
- }
- }
- }
-
- *outp = out;
- return true;
-}
-
-/* Decode base64-encoded input array IN of length INLEN to output array
- OUT that can hold *OUTLEN bytes. The input data may be interspersed
- with newlines. Return true if decoding was successful, i.e. if the
- input was valid base64 data, false otherwise. If *OUTLEN is too
- small, as many bytes as possible will be written to OUT. On return,
- *OUTLEN holds the length of decoded bytes in OUT. Note that as soon
- as any non-alphabet, non-newline character is encountered, decoding
- is stopped and false is returned. If INLEN is zero, then process
- only whatever data is stored in CTX.
-
- Initially, CTX must have been initialized via base64_decode_ctx_init.
- Subsequent calls to this function must reuse whatever state is recorded
- in that buffer. It is necessary for when a quadruple of base64 input
- bytes spans two input buffers.
-
- If CTX is NULL then newlines are treated as garbage and the input
- buffer is processed as a unit. */
-
-bool
-base64_decode_ctx (struct base64_decode_context *ctx,
- const char *restrict in, size_t inlen,
- char *restrict out, size_t *outlen)
-{
- size_t outleft = *outlen;
- bool ignore_newlines = ctx != NULL;
- bool flush_ctx = false;
- unsigned int ctx_i = 0;
-
- if (ignore_newlines)
- {
- ctx_i = ctx->i;
- flush_ctx = inlen == 0;
- }
-
-
- while (true)
- {
- size_t outleft_save = outleft;
- if (ctx_i == 0 && !flush_ctx)
- {
- while (true)
- {
- /* Save a copy of outleft, in case we need to re-parse this
- block of four bytes. */
- outleft_save = outleft;
- if (!decode_4 (in, inlen, &out, &outleft))
- break;
-
- in += 4;
- inlen -= 4;
- }
- }
-
- if (inlen == 0 && !flush_ctx)
- break;
-
- /* Handle the common case of 72-byte wrapped lines.
- This also handles any other multiple-of-4-byte wrapping. */
- if (inlen && *in == '\n' && ignore_newlines)
- {
- ++in;
- --inlen;
- continue;
- }
-
- /* Restore OUT and OUTLEFT. */
- out -= outleft_save - outleft;
- outleft = outleft_save;
-
- {
- char const *in_end = in + inlen;
- char const *non_nl;
-
- if (ignore_newlines)
- non_nl = get_4 (ctx, &in, in_end, &inlen);
- else
- non_nl = in; /* Might have nl in this case. */
-
- /* If the input is empty or consists solely of newlines (0 non-newlines),
- then we're done. Likewise if there are fewer than 4 bytes when not
- flushing context and not treating newlines as garbage. */
- if (inlen == 0 || (inlen < 4 && !flush_ctx && ignore_newlines))
- {
- inlen = 0;
- break;
- }
- if (!decode_4 (non_nl, inlen, &out, &outleft))
- break;
-
- inlen = in_end - in;
- }
- }
-
- *outlen -= outleft;
-
- return inlen == 0;
-}
-
-/* Allocate an output buffer in *OUT, and decode the base64 encoded
- data stored in IN of size INLEN to the *OUT buffer. On return, the
- size of the decoded data is stored in *OUTLEN. OUTLEN may be NULL,
- if the caller is not interested in the decoded length. *OUT may be
- NULL to indicate an out of memory error, in which case *OUTLEN
- contains the size of the memory block needed. The function returns
- true on successful decoding and memory allocation errors. (Use the
- *OUT and *OUTLEN parameters to differentiate between successful
- decoding and memory error.) The function returns false if the
- input was invalid, in which case *OUT is NULL and *OUTLEN is
- undefined. */
-bool
-base64_decode_alloc_ctx (struct base64_decode_context *ctx,
- const char *in, size_t inlen, char **out,
- size_t *outlen)
-{
- /* This may allocate a few bytes too many, depending on input,
- but it's not worth the extra CPU time to compute the exact size.
- The exact size is 3 * inlen / 4, minus 1 if the input ends
- with "=" and minus another 1 if the input ends with "==".
- Dividing before multiplying avoids the possibility of overflow. */
- size_t needlen = 3 * (inlen / 4) + 2;
-
- *out = malloc (needlen);
- if (!*out)
- return true;
-
- if (!base64_decode_ctx (ctx, in, inlen, *out, &needlen))
- {
- free (*out);
- *out = NULL;
- return false;
- }
-
- if (outlen)
- *outlen = needlen;
-
- return true;
-}
diff --git a/lib/base64.h b/lib/base64.h
deleted file mode 100644
index 63b6abc..0000000
--- a/lib/base64.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* base64.h -- Encode binary data using printable characters.
- Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
- Written by Simon Josefsson.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef BASE64_H
-# define BASE64_H
-
-/* Get size_t. */
-# include <stddef.h>
-
-/* Get bool. */
-# include <stdbool.h>
-
-/* This uses that the expression (n+(k-1))/k means the smallest
- integer >= n/k, i.e., the ceiling of n/k. */
-# define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
-
-struct base64_decode_context
-{
- unsigned int i;
- char buf[4];
-};
-
-extern bool isbase64 (char ch);
-
-extern void base64_encode (const char *restrict in, size_t inlen,
- char *restrict out, size_t outlen);
-
-extern size_t base64_encode_alloc (const char *in, size_t inlen, char **out);
-
-extern void base64_decode_ctx_init (struct base64_decode_context *ctx);
-
-extern bool base64_decode_ctx (struct base64_decode_context *ctx,
- const char *restrict in, size_t inlen,
- char *restrict out, size_t *outlen);
-
-extern bool base64_decode_alloc_ctx (struct base64_decode_context *ctx,
- const char *in, size_t inlen,
- char **out, size_t *outlen);
-
-#define base64_decode(in, inlen, out, outlen) \
- base64_decode_ctx (NULL, in, inlen, out, outlen)
-
-#define base64_decode_alloc(in, inlen, out, outlen) \
- base64_decode_alloc_ctx (NULL, in, inlen, out, outlen)
-
-#endif /* BASE64_H */
diff --git a/lib/errno.in.h b/lib/errno.in.h
deleted file mode 100644
index 51ac662..0000000
--- a/lib/errno.in.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/* A POSIX-like <errno.h>.
-
- Copyright (C) 2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef _GL_ERRNO_H
-
-#if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-#endif
-
-/* The include_next requires a split double-inclusion guard. */
-#@INCLUDE_NEXT@ @NEXT_ERRNO_H@
-
-#ifndef _GL_ERRNO_H
-#define _GL_ERRNO_H
-
-
-/* On native Windows platforms, many macros are not defined. */
-# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-
-/* POSIX says that EAGAIN and EWOULDBLOCK may have the same value. */
-# define EWOULDBLOCK EAGAIN
-
-/* Values >= 100 seem safe to use. */
-# define ETXTBSY 100
-# define GNULIB_defined_ETXTBSY 1
-
-/* These are intentionally the same values as the WSA* error numbers, defined
- in <winsock2.h>. */
-# define EINPROGRESS 10036
-# define EALREADY 10037
-# define ENOTSOCK 10038
-# define EDESTADDRREQ 10039
-# define EMSGSIZE 10040
-# define EPROTOTYPE 10041
-# define ENOPROTOOPT 10042
-# define EPROTONOSUPPORT 10043
-# define ESOCKTNOSUPPORT 10044 /* not required by POSIX */
-# define EOPNOTSUPP 10045
-# define EPFNOSUPPORT 10046 /* not required by POSIX */
-# define EAFNOSUPPORT 10047
-# define EADDRINUSE 10048
-# define EADDRNOTAVAIL 10049
-# define ENETDOWN 10050
-# define ENETUNREACH 10051
-# define ENETRESET 10052
-# define ECONNABORTED 10053
-# define ECONNRESET 10054
-# define ENOBUFS 10055
-# define EISCONN 10056
-# define ENOTCONN 10057
-# define ESHUTDOWN 10058 /* not required by POSIX */
-# define ETOOMANYREFS 10059 /* not required by POSIX */
-# define ETIMEDOUT 10060
-# define ECONNREFUSED 10061
-# define ELOOP 10062
-# define EHOSTDOWN 10064 /* not required by POSIX */
-# define EHOSTUNREACH 10065
-# define EPROCLIM 10067 /* not required by POSIX */
-# define EUSERS 10068 /* not required by POSIX */
-# define EDQUOT 10069
-# define ESTALE 10070
-# define EREMOTE 10071 /* not required by POSIX */
-# define GNULIB_defined_ESOCK 1
-
-# endif
-
-
-/* On OSF/1 5.1, when _XOPEN_SOURCE_EXTENDED is not defined, the macros
- EMULTIHOP, ENOLINK, EOVERFLOW are not defined. */
-# if @EMULTIHOP_HIDDEN@
-# define EMULTIHOP @EMULTIHOP_VALUE@
-# define GNULIB_defined_EMULTIHOP 1
-# endif
-# if @ENOLINK_HIDDEN@
-# define ENOLINK @ENOLINK_VALUE@
-# define GNULIB_defined_ENOLINK 1
-# endif
-# if @EOVERFLOW_HIDDEN@
-# define EOVERFLOW @EOVERFLOW_VALUE@
-# define GNULIB_defined_EOVERFLOW 1
-# endif
-
-
-/* On OpenBSD 4.0 and on native Windows, the macros ENOMSG, EIDRM, ENOLINK,
- EPROTO, EMULTIHOP, EBADMSG, EOVERFLOW, ENOTSUP, ECANCELED are not defined.
- Define them here. Values >= 2000 seem safe to use: Solaris ESTALE = 151,
- HP-UX EWOULDBLOCK = 246, IRIX EDQUOT = 1133.
-
- Note: When one of these systems defines some of these macros some day,
- binaries will have to be recompiled so that they recognizes the new
- errno values from the system. */
-
-# ifndef ENOMSG
-# define ENOMSG 2000
-# define GNULIB_defined_ENOMSG 1
-# endif
-
-# ifndef EIDRM
-# define EIDRM 2001
-# define GNULIB_defined_EIDRM 1
-# endif
-
-# ifndef ENOLINK
-# define ENOLINK 2002
-# define GNULIB_defined_ENOLINK 1
-# endif
-
-# ifndef EPROTO
-# define EPROTO 2003
-# define GNULIB_defined_EPROTO 1
-# endif
-
-# ifndef EMULTIHOP
-# define EMULTIHOP 2004
-# define GNULIB_defined_EMULTIHOP 1
-# endif
-
-# ifndef EBADMSG
-# define EBADMSG 2005
-# define GNULIB_defined_EBADMSG 1
-# endif
-
-# ifndef EOVERFLOW
-# define EOVERFLOW 2006
-# define GNULIB_defined_EOVERFLOW 1
-# endif
-
-# ifndef ENOTSUP
-# define ENOTSUP 2007
-# define GNULIB_defined_ENOTSUP 1
-# endif
-
-# ifndef ECANCELED
-# define ECANCELED 2008
-# define GNULIB_defined_ECANCELED 1
-# endif
-
-
-#endif /* _GL_ERRNO_H */
-#endif /* _GL_ERRNO_H */
diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c
deleted file mode 100644
index eb6bf9c..0000000
--- a/lib/gettimeofday.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/* Provide gettimeofday for systems that don't have it or for which it's broken.
-
- Copyright (C) 2001, 2002, 2003, 2005, 2006, 2007 Free Software
- Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* written by Jim Meyering */
-
-#include <config.h>
-
-/* Specification. */
-#include <sys/time.h>
-
-#include <time.h>
-
-#if HAVE_SYS_TIMEB_H
-# include <sys/timeb.h>
-#endif
-
-#if GETTIMEOFDAY_CLOBBERS_LOCALTIME || TZSET_CLOBBERS_LOCALTIME
-
-/* Work around the bug in some systems whereby gettimeofday clobbers
- the static buffer that localtime uses for its return value. The
- gettimeofday function from Mac OS X 10.0.4 (i.e., Darwin 1.3.7) has
- this problem. The tzset replacement is necessary for at least
- Solaris 2.5, 2.5.1, and 2.6. */
-
-static struct tm tm_zero_buffer;
-static struct tm *localtime_buffer_addr = &tm_zero_buffer;
-
-#undef localtime
-extern struct tm *localtime (time_t const *);
-
-#undef gmtime
-extern struct tm *gmtime (time_t const *);
-
-/* This is a wrapper for localtime. It is used only on systems for which
- gettimeofday clobbers the static buffer used for localtime's result.
-
- On the first call, record the address of the static buffer that
- localtime uses for its result. */
-
-struct tm *
-rpl_localtime (time_t const *timep)
-{
- struct tm *tm = localtime (timep);
-
- if (localtime_buffer_addr == &tm_zero_buffer)
- localtime_buffer_addr = tm;
-
- return tm;
-}
-
-/* Same as above, since gmtime and localtime use the same buffer. */
-struct tm *
-rpl_gmtime (time_t const *timep)
-{
- struct tm *tm = gmtime (timep);
-
- if (localtime_buffer_addr == &tm_zero_buffer)
- localtime_buffer_addr = tm;
-
- return tm;
-}
-
-#endif /* GETTIMEOFDAY_CLOBBERS_LOCALTIME || TZSET_CLOBBERS_LOCALTIME */
-
-#if TZSET_CLOBBERS_LOCALTIME
-
-#undef tzset
-extern void tzset (void);
-
-/* This is a wrapper for tzset, for systems on which tzset may clobber
- the static buffer used for localtime's result. */
-void
-rpl_tzset (void)
-{
- /* Save and restore the contents of the buffer used for localtime's
- result around the call to tzset. */
- struct tm save = *localtime_buffer_addr;
- tzset ();
- *localtime_buffer_addr = save;
-}
-#endif
-
-/* This is a wrapper for gettimeofday. It is used only on systems
- that lack this function, or whose implementation of this function
- causes problems. */
-
-int
-rpl_gettimeofday (struct timeval *restrict tv, void *restrict tz)
-{
-#undef gettimeofday
-#if HAVE_GETTIMEOFDAY
-# if GETTIMEOFDAY_CLOBBERS_LOCALTIME
- /* Save and restore the contents of the buffer used for localtime's
- result around the call to gettimeofday. */
- struct tm save = *localtime_buffer_addr;
-# endif
-
- int result = gettimeofday (tv, tz);
-
-# if GETTIMEOFDAY_CLOBBERS_LOCALTIME
- *localtime_buffer_addr = save;
-# endif
-
- return result;
-
-#else
-
-# if HAVE__FTIME
-
- struct _timeb timebuf;
- _ftime (&timebuf);
- tv->tv_sec = timebuf.time;
- tv->tv_usec = timebuf.millitm * 1000;
-
-# else
-
-# if !defined OK_TO_USE_1S_CLOCK
-# error "Only 1-second nominal clock resolution found. Is that intended?" \
- "If so, compile with the -DOK_TO_USE_1S_CLOCK option."
-# endif
- tv->tv_sec = time (NULL);
- tv->tv_usec = 0;
-
-# endif
-
- return 0;
-
-#endif
-}
diff --git a/lib/glthread/cond.c b/lib/glthread/cond.c
deleted file mode 100644
index 909eb71..0000000
--- a/lib/glthread/cond.c
+++ /dev/null
@@ -1,464 +0,0 @@
-/* Condition variables for multithreading.
- Copyright (C) 2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Yoann Vandoorselaere <yoann@prelude-ids.org>, 2008,
- and Bruno Haible <bruno@clisp.org>, 2008. */
-
-#include <config.h>
-
-#include "glthread/cond.h"
-
-/* ========================================================================= */
-
-#if USE_PTH_THREADS
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-int
-glthread_cond_timedwait_multithreaded (gl_cond_t *cond,
- gl_lock_t *lock,
- struct timespec *abstime)
-{
- int ret, status;
- pth_event_t ev;
-
- ev = pth_event (PTH_EVENT_TIME, pth_time (abstime->tv_sec, abstime->tv_nsec / 1000));
- ret = pth_cond_await (cond, lock, ev);
-
- status = pth_event_status (ev);
- pth_event_free (ev, PTH_FREE_THIS);
-
- if (status == PTH_STATUS_OCCURRED)
- return ETIMEDOUT;
-
- return ret;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_SOLARIS_THREADS
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-int
-glthread_cond_timedwait_multithreaded (gl_cond_t *cond,
- gl_lock_t *lock,
- struct timespec *abstime)
-{
- int ret;
-
- ret = cond_timedwait (cond, lock, abstime);
- if (ret == ETIME)
- return ETIMEDOUT;
- return ret;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-#include <sys/time.h>
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-/* In this file, the waitqueues are implemented as linked lists. */
-#define gl_waitqueue_t gl_linked_waitqueue_t
-
-/* All links of a circular list, except the anchor, are of this type, carrying
- a payload. */
-struct gl_waitqueue_element
-{
- struct gl_waitqueue_link link; /* must be the first field! */
- HANDLE event; /* Waiting thread, represented by an event.
- This field is immutable once initialized. */
-};
-
-static inline void
-gl_waitqueue_init (gl_waitqueue_t *wq)
-{
- wq->wq_list.wql_next = &wq->wq_list;
- wq->wq_list.wql_prev = &wq->wq_list;
-}
-
-/* Enqueues the current thread, represented by an event, in a wait queue.
- Returns NULL if an allocation failure occurs. */
-static struct gl_waitqueue_element *
-gl_waitqueue_add (gl_waitqueue_t *wq)
-{
- struct gl_waitqueue_element *elt;
- HANDLE event;
-
- /* Allocate the memory for the waitqueue element on the heap, not on the
- thread's stack. If the thread exits unexpectedly, we prefer to leak
- some memory rather than to access unavailable memory and crash. */
- elt =
- (struct gl_waitqueue_element *)
- malloc (sizeof (struct gl_waitqueue_element));
- if (elt == NULL)
- /* No more memory. */
- return NULL;
-
- /* Whether the created event is a manual-reset one or an auto-reset one,
- does not matter, since we will wait on it only once. */
- event = CreateEvent (NULL, TRUE, FALSE, NULL);
- if (event == INVALID_HANDLE_VALUE)
- {
- /* No way to allocate an event. */
- free (elt);
- return NULL;
- }
- elt->event = event;
- /* Insert elt at the end of the circular list. */
- (elt->link.wql_prev = wq->wq_list.wql_prev)->wql_next = &elt->link;
- (elt->link.wql_next = &wq->wq_list)->wql_prev = &elt->link;
- return elt;
-}
-
-/* Removes the current thread, represented by a 'struct gl_waitqueue_element *',
- from a wait queue.
- Returns true if is was found and removed, false if it was not present. */
-static inline bool
-gl_waitqueue_remove (gl_waitqueue_t *wq, struct gl_waitqueue_element *elt)
-{
- if (elt->link.wql_next != NULL && elt->link.wql_prev != NULL)
- {
- /* Remove elt from the circular list. */
- struct gl_waitqueue_link *prev = elt->link.wql_prev;
- struct gl_waitqueue_link *next = elt->link.wql_next;
- prev->wql_next = next;
- next->wql_prev = prev;
- elt->link.wql_next = NULL;
- elt->link.wql_prev = NULL;
- return true;
- }
- else
- return false;
-}
-
-/* Notifies the first thread from a wait queue and dequeues it. */
-static inline void
-gl_waitqueue_notify_first (gl_waitqueue_t *wq)
-{
- if (wq->wq_list.wql_next != &wq->wq_list)
- {
- struct gl_waitqueue_element *elt =
- (struct gl_waitqueue_element *) wq->wq_list.wql_next;
- struct gl_waitqueue_link *prev;
- struct gl_waitqueue_link *next;
-
- /* Remove elt from the circular list. */
- prev = &wq->wq_list; /* = elt->link.wql_prev; */
- next = elt->link.wql_next;
- prev->wql_next = next;
- next->wql_prev = prev;
- elt->link.wql_next = NULL;
- elt->link.wql_prev = NULL;
-
- SetEvent (elt->event);
- /* After the SetEvent, this thread cannot access *elt any more, because
- the woken-up thread will quickly call free (elt). */
- }
-}
-
-/* Notifies all threads from a wait queue and dequeues them all. */
-static inline void
-gl_waitqueue_notify_all (gl_waitqueue_t *wq)
-{
- struct gl_waitqueue_link *l;
-
- for (l = wq->wq_list.wql_next; l != &wq->wq_list; )
- {
- struct gl_waitqueue_element *elt = (struct gl_waitqueue_element *) l;
- struct gl_waitqueue_link *prev;
- struct gl_waitqueue_link *next;
-
- /* Remove elt from the circular list. */
- prev = &wq->wq_list; /* = elt->link.wql_prev; */
- next = elt->link.wql_next;
- prev->wql_next = next;
- next->wql_prev = prev;
- elt->link.wql_next = NULL;
- elt->link.wql_prev = NULL;
-
- SetEvent (elt->event);
- /* After the SetEvent, this thread cannot access *elt any more, because
- the woken-up thread will quickly call free (elt). */
-
- l = next;
- }
- if (!(wq->wq_list.wql_next == &wq->wq_list
- && wq->wq_list.wql_prev == &wq->wq_list))
- abort ();
-}
-
-int
-glthread_cond_init_func (gl_cond_t *cond)
-{
- InitializeCriticalSection (&cond->lock);
- gl_waitqueue_init (&cond->waiters);
-
- cond->guard.done = 1;
- return 0;
-}
-
-int
-glthread_cond_wait_func (gl_cond_t *cond, gl_lock_t *lock)
-{
- if (!cond->guard.done)
- {
- if (InterlockedIncrement (&cond->guard.started) == 0)
- /* This thread is the first one to need this condition variable.
- Initialize it. */
- glthread_cond_init (cond);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this condition variable. */
- while (!cond->guard.done)
- Sleep (0);
- }
-
- EnterCriticalSection (&cond->lock);
- {
- struct gl_waitqueue_element *elt = gl_waitqueue_add (&cond->waiters);
- LeaveCriticalSection (&cond->lock);
- if (elt == NULL)
- {
- /* Allocation failure. Weird. */
- return EAGAIN;
- }
- else
- {
- HANDLE event = elt->event;
- int err;
- DWORD result;
-
- /* Now release the lock and let any other thread take it. */
- err = glthread_lock_unlock (lock);
- if (err != 0)
- {
- EnterCriticalSection (&cond->lock);
- gl_waitqueue_remove (&cond->waiters, elt);
- LeaveCriticalSection (&cond->lock);
- CloseHandle (event);
- free (elt);
- return err;
- }
- /* POSIX says:
- "If another thread is able to acquire the mutex after the
- about-to-block thread has released it, then a subsequent call to
- pthread_cond_broadcast() or pthread_cond_signal() in that thread
- shall behave as if it were issued after the about-to-block thread
- has blocked."
- This is fulfilled here, because the thread signalling is done
- through SetEvent, not PulseEvent. */
- /* Wait until another thread signals this event. */
- result = WaitForSingleObject (event, INFINITE);
- if (result == WAIT_FAILED || result == WAIT_TIMEOUT)
- abort ();
- CloseHandle (event);
- free (elt);
- /* The thread which signalled the event already did the bookkeeping:
- removed us from the waiters. */
- return glthread_lock_lock (lock);
- }
- }
-}
-
-int
-glthread_cond_timedwait_func (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime)
-{
- struct timeval currtime;
-
- gettimeofday (&currtime, NULL);
- if (currtime.tv_sec > abstime->tv_sec
- || (currtime.tv_sec == abstime->tv_sec
- && currtime.tv_usec * 1000 >= abstime->tv_nsec))
- return ETIMEDOUT;
-
- if (!cond->guard.done)
- {
- if (InterlockedIncrement (&cond->guard.started) == 0)
- /* This thread is the first one to need this condition variable.
- Initialize it. */
- glthread_cond_init (cond);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this condition variable. */
- while (!cond->guard.done)
- Sleep (0);
- }
-
- EnterCriticalSection (&cond->lock);
- {
- struct gl_waitqueue_element *elt = gl_waitqueue_add (&cond->waiters);
- LeaveCriticalSection (&cond->lock);
- if (elt == NULL)
- {
- /* Allocation failure. Weird. */
- return EAGAIN;
- }
- else
- {
- HANDLE event = elt->event;
- int err;
- DWORD timeout;
- DWORD result;
-
- /* Now release the lock and let any other thread take it. */
- err = glthread_lock_unlock (lock);
- if (err != 0)
- {
- EnterCriticalSection (&cond->lock);
- gl_waitqueue_remove (&cond->waiters, elt);
- LeaveCriticalSection (&cond->lock);
- CloseHandle (event);
- free (elt);
- return err;
- }
- /* POSIX says:
- "If another thread is able to acquire the mutex after the
- about-to-block thread has released it, then a subsequent call to
- pthread_cond_broadcast() or pthread_cond_signal() in that thread
- shall behave as if it were issued after the about-to-block thread
- has blocked."
- This is fulfilled here, because the thread signalling is done
- through SetEvent, not PulseEvent. */
- /* Wait until another thread signals this event or until the abstime
- passes. */
- gettimeofday (&currtime, NULL);
- if (currtime.tv_sec > abstime->tv_sec)
- timeout = 0;
- else
- {
- unsigned long seconds = abstime->tv_sec - currtime.tv_sec;
- timeout = seconds * 1000;
- if (timeout / 1000 != seconds) /* overflow? */
- timeout = INFINITE;
- else
- {
- long milliseconds =
- abstime->tv_nsec / 1000000 - currtime.tv_usec / 1000;
- if (milliseconds >= 0)
- {
- timeout += milliseconds;
- if (timeout < milliseconds) /* overflow? */
- timeout = INFINITE;
- }
- else
- {
- if (timeout >= - milliseconds)
- timeout -= (- milliseconds);
- else
- timeout = 0;
- }
- }
- }
- result = WaitForSingleObject (event, timeout);
- if (result == WAIT_FAILED)
- abort ();
- if (result == WAIT_TIMEOUT)
- {
- EnterCriticalSection (&cond->lock);
- if (gl_waitqueue_remove (&cond->waiters, elt))
- {
- /* The event was not signaled between the WaitForSingleObject
- call and the EnterCriticalSection call. */
- if (!(WaitForSingleObject (event, 0) == WAIT_TIMEOUT))
- abort ();
- }
- else
- {
- /* The event was signaled between the WaitForSingleObject
- call and the EnterCriticalSection call. */
- if (!(WaitForSingleObject (event, 0) == WAIT_OBJECT_0))
- abort ();
- /* Produce the right return value. */
- result = WAIT_OBJECT_0;
- }
- LeaveCriticalSection (&cond->lock);
- }
- else
- {
- /* The thread which signalled the event already did the
- bookkeeping: removed us from the waiters. */
- }
- CloseHandle (event);
- free (elt);
- /* Take the lock again. It does not matter whether this is done
- before or after the bookkeeping for WAIT_TIMEOUT. */
- err = glthread_lock_lock (lock);
- return (err ? err :
- result == WAIT_OBJECT_0 ? 0 :
- result == WAIT_TIMEOUT ? ETIMEDOUT :
- /* WAIT_FAILED shouldn't happen */ EAGAIN);
- }
- }
-}
-
-int
-glthread_cond_signal_func (gl_cond_t *cond)
-{
- if (!cond->guard.done)
- return EINVAL;
-
- EnterCriticalSection (&cond->lock);
- /* POSIX says:
- "The pthread_cond_broadcast() and pthread_cond_signal() functions shall
- have no effect if there are no threads currently blocked on cond." */
- if (cond->waiters.wq_list.wql_next != &cond->waiters.wq_list)
- gl_waitqueue_notify_first (&cond->waiters);
- LeaveCriticalSection (&cond->lock);
-
- return 0;
-}
-
-int
-glthread_cond_broadcast_func (gl_cond_t *cond)
-{
- if (!cond->guard.done)
- return EINVAL;
-
- EnterCriticalSection (&cond->lock);
- /* POSIX says:
- "The pthread_cond_broadcast() and pthread_cond_signal() functions shall
- have no effect if there are no threads currently blocked on cond."
- gl_waitqueue_notify_all is a nop in this case. */
- gl_waitqueue_notify_all (&cond->waiters);
- LeaveCriticalSection (&cond->lock);
-
- return 0;
-}
-
-int
-glthread_cond_destroy_func (gl_cond_t *cond)
-{
- if (!cond->guard.done)
- return EINVAL;
- if (cond->waiters.wq_list.wql_next != &cond->waiters.wq_list)
- return EBUSY;
- DeleteCriticalSection (&cond->lock);
- cond->guard.done = 0;
- return 0;
-}
-
-#endif
-
-/* ========================================================================= */
diff --git a/lib/glthread/cond.h b/lib/glthread/cond.h
deleted file mode 100644
index f5462db..0000000
--- a/lib/glthread/cond.h
+++ /dev/null
@@ -1,408 +0,0 @@
-/* Condition variables for multithreading.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Yoann Vandoorselaere <yoann@prelude-ids.org>, 2008.
- Based on Bruno Haible <bruno@clisp.org> lock.h */
-
-/*
- Condition variables can be used for waiting until a condition
- becomes true. In this respect, they are similar to wait queues. But
- contrary to wait queues, condition variables have different
- semantics that allows events to be lost when there is no thread
- waiting for them.
-
- Condition variable:
- Type: gl_cond_t
- Declaration: gl_cond_define(extern, name)
- Initializer: gl_cond_define_initialized(, name)
- Initialization: gl_cond_init (name);
- Waiting: gl_cond_wait (name, lock);
- Timed wait: bool timedout = gl_cond_timedwait (name, lock, abstime);
- where lock is a gl_lock_t variable (cf. <glthread/lock.h>)
- Signaling: gl_cond_signal (name);
- Broadcasting: gl_cond_broadcast (name);
- De-initialization: gl_cond_destroy (name);
- Equivalent functions with control of error handling:
- Initialization: err = glthread_cond_init (&name);
- Waiting: err = glthread_cond_wait (&name);
- Timed wait: err = glthread_cond_timedwait (&name, &lock, abstime);
- Signaling: err = glthread_cond_signal (&name);
- Broadcasting: err = glthread_cond_broadcast (&name);
- De-initialization: err = glthread_cond_destroy (&name);
-*/
-
-
-#ifndef _GLTHREAD_COND_H
-#define _GLTHREAD_COND_H
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <time.h>
-
-#include "glthread/lock.h"
-
-/* ========================================================================= */
-
-#if USE_POSIX_THREADS
-
-/* Use the POSIX threads library. */
-
-# include <pthread.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if PTHREAD_IN_USE_DETECTION_HARD
-
-/* The pthread_in_use() detection needs to be done at runtime. */
-# define pthread_in_use() \
- glthread_in_use ()
-extern int glthread_in_use (void);
-
-# endif
-
-# if USE_POSIX_THREADS_WEAK
-
-/* Use weak references to the POSIX threads library. */
-
-/* Weak references avoid dragging in external libraries if the other parts
- of the program don't use them. Here we use them, because we don't want
- every program that uses libintl to depend on libpthread. This assumes
- that libpthread would not be loaded after libintl; i.e. if libintl is
- loaded first, by an executable that does not depend on libpthread, and
- then a module is dynamically loaded that depends on libpthread, libintl
- will not be multithread-safe. */
-
-/* The way to test at runtime whether libpthread is present is to test
- whether a function pointer's value, such as &pthread_mutex_init, is
- non-NULL. However, some versions of GCC have a bug through which, in
- PIC mode, &foo != NULL always evaluates to true if there is a direct
- call to foo(...) in the same function. To avoid this, we test the
- address of a function in libpthread that we don't use. */
-
-# pragma weak pthread_cond_init
-# pragma weak pthread_cond_wait
-# pragma weak pthread_cond_timedwait
-# pragma weak pthread_cond_signal
-# pragma weak pthread_cond_broadcast
-# pragma weak pthread_cond_destroy
-# ifndef pthread_self
-# pragma weak pthread_self
-# endif
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# pragma weak pthread_cancel
-# define pthread_in_use() (pthread_cancel != NULL)
-# endif
-
-# else
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# define pthread_in_use() 1
-# endif
-
-# endif
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-typedef pthread_cond_t gl_cond_t;
-# define gl_cond_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME;
-# define gl_cond_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME = gl_cond_initializer;
-# define gl_cond_initializer \
- PTHREAD_COND_INITIALIZER
-# define glthread_cond_init(COND) \
- (pthread_in_use () ? pthread_cond_init (COND, NULL) : 0)
-# define glthread_cond_wait(COND, LOCK) \
- (pthread_in_use () ? pthread_cond_wait (COND, LOCK) : 0)
-# define glthread_cond_timedwait(COND, LOCK, ABSTIME) \
- (pthread_in_use () ? pthread_cond_timedwait (COND, LOCK, ABSTIME) : 0)
-# define glthread_cond_signal(COND) \
- (pthread_in_use () ? pthread_cond_signal (COND) : 0)
-# define glthread_cond_broadcast(COND) \
- (pthread_in_use () ? pthread_cond_broadcast (COND) : 0)
-# define glthread_cond_destroy(COND) \
- (pthread_in_use () ? pthread_cond_destroy (COND) : 0)
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_PTH_THREADS
-
-/* Use the GNU Pth threads library. */
-
-# include <pth.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_PTH_THREADS_WEAK
-
-/* Use weak references to the GNU Pth threads library. */
-
-# pragma weak pth_cond_init
-# pragma weak pth_cond_await
-# pragma weak pth_cond_notify
-# pragma weak pth_event
-# pragma weak pth_timeout
-
-# pragma weak pth_cancel
-# define pth_in_use() (pth_cancel != NULL)
-
-# else
-
-# define pth_in_use() 1
-
-# endif
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-typedef pth_cond_t gl_cond_t;
-# define gl_cond_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME;
-# define gl_cond_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME = gl_cond_initializer;
-# define gl_cond_initializer \
- PTH_COND_INIT
-# define glthread_cond_init(COND) \
- (pth_in_use () && !pth_cond_init (COND) ? errno : 0)
-# define glthread_cond_wait(COND, LOCK) \
- (pth_in_use () && !pth_cond_await (COND, LOCK, NULL) ? errno : 0)
-# define glthread_cond_timedwait(COND, LOCK, ABSTIME) \
- (pth_in_use () ? glthread_cond_timedwait_multithreaded (COND, LOCK, ABSTIME) : 0)
-# define glthread_cond_signal(COND) \
- (pth_in_use () && !pth_cond_notify (COND, FALSE) ? errno : 0)
-# define glthread_cond_broadcast(COND) \
- (pth_in_use () && !pth_cond_notify (COND, TRUE) ? errno : 0)
-# define glthread_cond_destroy(COND) 0
-extern int glthread_cond_timedwait_multithreaded (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_SOLARIS_THREADS
-
-/* Use the old Solaris threads library. */
-
-# include <thread.h>
-# include <synch.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_SOLARIS_THREADS_WEAK
-
-/* Use weak references to the old Solaris threads library. */
-
-# pragma weak cond_init
-# pragma weak cond_wait
-# pragma weak cond_timedwait
-# pragma weak cond_signal
-# pragma weak cond_broadcast
-# pragma weak cond_destroy
-# pragma weak thr_suspend
-# define thread_in_use() (thr_suspend != NULL)
-
-# else
-
-# define thread_in_use() 1
-
-# endif
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-typedef cond_t gl_cond_t;
-# define gl_cond_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME;
-# define gl_cond_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME = gl_cond_initializer;
-# define gl_cond_initializer \
- DEFAULTCV
-# define glthread_cond_init(COND) \
- (pthread_in_use () ? cond_init (COND, USYNC_THREAD, NULL) : 0)
-# define glthread_cond_wait(COND, LOCK) \
- (pthread_in_use () ? cond_wait (COND, LOCK) : 0)
-# define glthread_cond_timedwait(COND, LOCK, ABSTIME) \
- (pthread_in_use () ? glthread_cond_timedwait_multithreaded (COND, LOCK, ABSTIME) : 0)
-# define glthread_cond_signal(COND) \
- (pthread_in_use () ? cond_signal (COND) : 0)
-# define glthread_cond_broadcast(COND) \
- (pthread_in_use () ? cond_broadcast (COND) : 0)
-# define glthread_cond_destroy(COND) \
- (pthread_in_use () ? cond_destroy (COND) : 0)
-extern int glthread_cond_timedwait_multithreaded (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-# include <windows.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/* -------------------------- gl_cond_t datatype -------------------------- */
-
-struct gl_waitqueue_link
-{
- struct gl_waitqueue_link *wql_next;
- struct gl_waitqueue_link *wql_prev;
-};
-typedef struct
- {
- struct gl_waitqueue_link wq_list; /* circular list of waiting threads */
- }
- gl_linked_waitqueue_t;
-typedef struct
- {
- gl_spinlock_t guard; /* protects the initialization */
- CRITICAL_SECTION lock; /* protects the remaining fields */
- gl_linked_waitqueue_t waiters; /* waiting threads */
- }
- gl_cond_t;
-# define gl_cond_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME;
-# define gl_cond_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_cond_t NAME = gl_cond_initializer;
-# define gl_cond_initializer \
- { { 0, -1 } }
-# define glthread_cond_init(COND) \
- glthread_cond_init_func (COND)
-# define glthread_cond_wait(COND, LOCK) \
- glthread_cond_wait_func (COND, LOCK)
-# define glthread_cond_timedwait(COND, LOCK, ABSTIME) \
- glthread_cond_timedwait_func (COND, LOCK, ABSTIME)
-# define glthread_cond_signal(COND) \
- glthread_cond_signal_func (COND)
-# define glthread_cond_broadcast(COND) \
- glthread_cond_broadcast_func (COND)
-# define glthread_cond_destroy(COND) \
- glthread_cond_destroy_func (COND)
-extern int glthread_cond_init_func (gl_cond_t *cond);
-extern int glthread_cond_wait_func (gl_cond_t *cond, gl_lock_t *lock);
-extern int glthread_cond_timedwait_func (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime);
-extern int glthread_cond_signal_func (gl_cond_t *cond);
-extern int glthread_cond_broadcast_func (gl_cond_t *cond);
-extern int glthread_cond_destroy_func (gl_cond_t *cond);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
-
-/* Provide dummy implementation if threads are not supported. */
-
-typedef int gl_cond_t;
-# define gl_cond_define(STORAGECLASS, NAME)
-# define gl_cond_define_initialized(STORAGECLASS, NAME)
-# define glthread_cond_init(COND) 0
-# define glthread_cond_wait(COND, LOCK) 0
-# define glthread_cond_timedwait(COND, LOCK, ABSTIME) 0
-# define glthread_cond_signal(COND) 0
-# define glthread_cond_broadcast(COND) 0
-# define glthread_cond_destroy(COND) 0
-
-#endif
-
-/* ========================================================================= */
-
-/* Macros with built-in error handling. */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define gl_cond_init(COND) \
- do \
- { \
- if (glthread_cond_init (&COND)) \
- abort (); \
- } \
- while (0)
-#define gl_cond_wait(COND, LOCK) \
- do \
- { \
- if (glthread_cond_wait (&COND, &LOCK)) \
- abort (); \
- } \
- while (0)
-#define gl_cond_timedwait(COND, LOCK, ABSTIME) \
- gl_cond_timedwait_func (&COND, &LOCK, ABSTIME)
-static inline bool
-gl_cond_timedwait_func (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime)
-{
- int err = glthread_cond_timedwait (cond, lock, abstime);
- if (err == ETIMEDOUT)
- return true;
- if (err != 0)
- abort ();
- return false;
-}
-#define gl_cond_signal(COND) \
- do \
- { \
- if (glthread_cond_signal (&COND)) \
- abort (); \
- } \
- while (0)
-#define gl_cond_broadcast(COND) \
- do \
- { \
- if (glthread_cond_broadcast (&COND)) \
- abort (); \
- } \
- while (0)
-#define gl_cond_destroy(COND) \
- do \
- { \
- if (glthread_cond_destroy (&COND)) \
- abort (); \
- } \
- while (0)
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _GLTHREAD_COND_H */
diff --git a/lib/glthread/lock.c b/lib/glthread/lock.c
deleted file mode 100644
index 7db6426..0000000
--- a/lib/glthread/lock.c
+++ /dev/null
@@ -1,1058 +0,0 @@
-/* Locking in multithreaded situations.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2005.
- Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
- gthr-win32.h. */
-
-#include <config.h>
-
-#include "glthread/lock.h"
-
-/* ========================================================================= */
-
-#if USE_POSIX_THREADS
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-# if HAVE_PTHREAD_RWLOCK
-
-# if !defined PTHREAD_RWLOCK_INITIALIZER
-
-int
-glthread_rwlock_init_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_rwlock_init (&lock->rwlock, NULL);
- if (err != 0)
- return err;
- lock->initialized = 1;
- return 0;
-}
-
-int
-glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock)
-{
- if (!lock->initialized)
- {
- int err;
-
- err = pthread_mutex_lock (&lock->guard);
- if (err != 0)
- return err;
- if (!lock->initialized)
- {
- err = glthread_rwlock_init_multithreaded (lock);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->guard);
- return err;
- }
- }
- err = pthread_mutex_unlock (&lock->guard);
- if (err != 0)
- return err;
- }
- return pthread_rwlock_rdlock (&lock->rwlock);
-}
-
-int
-glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock)
-{
- if (!lock->initialized)
- {
- int err;
-
- err = pthread_mutex_lock (&lock->guard);
- if (err != 0)
- return err;
- if (!lock->initialized)
- {
- err = glthread_rwlock_init_multithreaded (lock);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->guard);
- return err;
- }
- }
- err = pthread_mutex_unlock (&lock->guard);
- if (err != 0)
- return err;
- }
- return pthread_rwlock_wrlock (&lock->rwlock);
-}
-
-int
-glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock)
-{
- if (!lock->initialized)
- return EINVAL;
- return pthread_rwlock_unlock (&lock->rwlock);
-}
-
-int
-glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- if (!lock->initialized)
- return EINVAL;
- err = pthread_rwlock_destroy (&lock->rwlock);
- if (err != 0)
- return err;
- lock->initialized = 0;
- return 0;
-}
-
-# endif
-
-# else
-
-int
-glthread_rwlock_init_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_mutex_init (&lock->lock, NULL);
- if (err != 0)
- return err;
- err = pthread_cond_init (&lock->waiting_readers, NULL);
- if (err != 0)
- return err;
- err = pthread_cond_init (&lock->waiting_writers, NULL);
- if (err != 0)
- return err;
- lock->waiting_writers_count = 0;
- lock->runcount = 0;
- return 0;
-}
-
-int
-glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_mutex_lock (&lock->lock);
- if (err != 0)
- return err;
- /* Test whether only readers are currently running, and whether the runcount
- field will not overflow. */
- /* POSIX says: "It is implementation-defined whether the calling thread
- acquires the lock when a writer does not hold the lock and there are
- writers blocked on the lock." Let's say, no: give the writers a higher
- priority. */
- while (!(lock->runcount + 1 > 0 && lock->waiting_writers_count == 0))
- {
- /* This thread has to wait for a while. Enqueue it among the
- waiting_readers. */
- err = pthread_cond_wait (&lock->waiting_readers, &lock->lock);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->lock);
- return err;
- }
- }
- lock->runcount++;
- return pthread_mutex_unlock (&lock->lock);
-}
-
-int
-glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_mutex_lock (&lock->lock);
- if (err != 0)
- return err;
- /* Test whether no readers or writers are currently running. */
- while (!(lock->runcount == 0))
- {
- /* This thread has to wait for a while. Enqueue it among the
- waiting_writers. */
- lock->waiting_writers_count++;
- err = pthread_cond_wait (&lock->waiting_writers, &lock->lock);
- if (err != 0)
- {
- lock->waiting_writers_count--;
- pthread_mutex_unlock (&lock->lock);
- return err;
- }
- lock->waiting_writers_count--;
- }
- lock->runcount--; /* runcount becomes -1 */
- return pthread_mutex_unlock (&lock->lock);
-}
-
-int
-glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_mutex_lock (&lock->lock);
- if (err != 0)
- return err;
- if (lock->runcount < 0)
- {
- /* Drop a writer lock. */
- if (!(lock->runcount == -1))
- {
- pthread_mutex_unlock (&lock->lock);
- return EINVAL;
- }
- lock->runcount = 0;
- }
- else
- {
- /* Drop a reader lock. */
- if (!(lock->runcount > 0))
- {
- pthread_mutex_unlock (&lock->lock);
- return EINVAL;
- }
- lock->runcount--;
- }
- if (lock->runcount == 0)
- {
- /* POSIX recommends that "write locks shall take precedence over read
- locks", to avoid "writer starvation". */
- if (lock->waiting_writers_count > 0)
- {
- /* Wake up one of the waiting writers. */
- err = pthread_cond_signal (&lock->waiting_writers);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->lock);
- return err;
- }
- }
- else
- {
- /* Wake up all waiting readers. */
- err = pthread_cond_broadcast (&lock->waiting_readers);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->lock);
- return err;
- }
- }
- }
- return pthread_mutex_unlock (&lock->lock);
-}
-
-int
-glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock)
-{
- int err;
-
- err = pthread_mutex_destroy (&lock->lock);
- if (err != 0)
- return err;
- err = pthread_cond_destroy (&lock->waiting_readers);
- if (err != 0)
- return err;
- err = pthread_cond_destroy (&lock->waiting_writers);
- if (err != 0)
- return err;
- return 0;
-}
-
-# endif
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-# if HAVE_PTHREAD_MUTEX_RECURSIVE
-
-# if defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER || defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
-
-int
-glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock)
-{
- pthread_mutexattr_t attributes;
- int err;
-
- err = pthread_mutexattr_init (&attributes);
- if (err != 0)
- return err;
- err = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE);
- if (err != 0)
- {
- pthread_mutexattr_destroy (&attributes);
- return err;
- }
- err = pthread_mutex_init (lock, &attributes);
- if (err != 0)
- {
- pthread_mutexattr_destroy (&attributes);
- return err;
- }
- err = pthread_mutexattr_destroy (&attributes);
- if (err != 0)
- return err;
- return 0;
-}
-
-# else
-
-int
-glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock)
-{
- pthread_mutexattr_t attributes;
- int err;
-
- err = pthread_mutexattr_init (&attributes);
- if (err != 0)
- return err;
- err = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE);
- if (err != 0)
- {
- pthread_mutexattr_destroy (&attributes);
- return err;
- }
- err = pthread_mutex_init (&lock->recmutex, &attributes);
- if (err != 0)
- {
- pthread_mutexattr_destroy (&attributes);
- return err;
- }
- err = pthread_mutexattr_destroy (&attributes);
- if (err != 0)
- return err;
- lock->initialized = 1;
- return 0;
-}
-
-int
-glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock)
-{
- if (!lock->initialized)
- {
- int err;
-
- err = pthread_mutex_lock (&lock->guard);
- if (err != 0)
- return err;
- if (!lock->initialized)
- {
- err = glthread_recursive_lock_init_multithreaded (lock);
- if (err != 0)
- {
- pthread_mutex_unlock (&lock->guard);
- return err;
- }
- }
- err = pthread_mutex_unlock (&lock->guard);
- if (err != 0)
- return err;
- }
- return pthread_mutex_lock (&lock->recmutex);
-}
-
-int
-glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock)
-{
- if (!lock->initialized)
- return EINVAL;
- return pthread_mutex_unlock (&lock->recmutex);
-}
-
-int
-glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock)
-{
- int err;
-
- if (!lock->initialized)
- return EINVAL;
- err = pthread_mutex_destroy (&lock->recmutex);
- if (err != 0)
- return err;
- lock->initialized = 0;
- return 0;
-}
-
-# endif
-
-# else
-
-int
-glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock)
-{
- int err;
-
- err = pthread_mutex_init (&lock->mutex, NULL);
- if (err != 0)
- return err;
- lock->owner = (pthread_t) 0;
- lock->depth = 0;
- return 0;
-}
-
-int
-glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock)
-{
- pthread_t self = pthread_self ();
- if (lock->owner != self)
- {
- int err;
-
- err = pthread_mutex_lock (&lock->mutex);
- if (err != 0)
- return err;
- lock->owner = self;
- }
- if (++(lock->depth) == 0) /* wraparound? */
- {
- lock->depth--;
- return EAGAIN;
- }
- return 0;
-}
-
-int
-glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock)
-{
- if (lock->owner != pthread_self ())
- return EPERM;
- if (lock->depth == 0)
- return EINVAL;
- if (--(lock->depth) == 0)
- {
- lock->owner = (pthread_t) 0;
- return pthread_mutex_unlock (&lock->mutex);
- }
- else
- return 0;
-}
-
-int
-glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock)
-{
- if (lock->owner != (pthread_t) 0)
- return EBUSY;
- return pthread_mutex_destroy (&lock->mutex);
-}
-
-# endif
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-static const pthread_once_t fresh_once = PTHREAD_ONCE_INIT;
-
-int
-glthread_once_singlethreaded (pthread_once_t *once_control)
-{
- /* We don't know whether pthread_once_t is an integer type, a floating-point
- type, a pointer type, or a structure type. */
- char *firstbyte = (char *)once_control;
- if (*firstbyte == *(const char *)&fresh_once)
- {
- /* First time use of once_control. Invert the first byte. */
- *firstbyte = ~ *(const char *)&fresh_once;
- return 1;
- }
- else
- return 0;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_PTH_THREADS
-
-/* Use the GNU Pth threads library. */
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-static void
-glthread_once_call (void *arg)
-{
- void (**gl_once_temp_addr) (void) = (void (**) (void)) arg;
- void (*initfunction) (void) = *gl_once_temp_addr;
- initfunction ();
-}
-
-int
-glthread_once_multithreaded (pth_once_t *once_control, void (*initfunction) (void))
-{
- void (*temp) (void) = initfunction;
- return (!pth_once (once_control, glthread_once_call, &temp) ? errno : 0);
-}
-
-int
-glthread_once_singlethreaded (pth_once_t *once_control)
-{
- /* We know that pth_once_t is an integer type. */
- if (*once_control == PTH_ONCE_INIT)
- {
- /* First time use of once_control. Invert the marker. */
- *once_control = ~ PTH_ONCE_INIT;
- return 1;
- }
- else
- return 0;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_SOLARIS_THREADS
-
-/* Use the old Solaris threads library. */
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-int
-glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock)
-{
- int err;
-
- err = mutex_init (&lock->mutex, USYNC_THREAD, NULL);
- if (err != 0)
- return err;
- lock->owner = (thread_t) 0;
- lock->depth = 0;
- return 0;
-}
-
-int
-glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock)
-{
- thread_t self = thr_self ();
- if (lock->owner != self)
- {
- int err;
-
- err = mutex_lock (&lock->mutex);
- if (err != 0)
- return err;
- lock->owner = self;
- }
- if (++(lock->depth) == 0) /* wraparound? */
- {
- lock->depth--;
- return EAGAIN;
- }
- return 0;
-}
-
-int
-glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock)
-{
- if (lock->owner != thr_self ())
- return EPERM;
- if (lock->depth == 0)
- return EINVAL;
- if (--(lock->depth) == 0)
- {
- lock->owner = (thread_t) 0;
- return mutex_unlock (&lock->mutex);
- }
- else
- return 0;
-}
-
-int
-glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock)
-{
- if (lock->owner != (thread_t) 0)
- return EBUSY;
- return mutex_destroy (&lock->mutex);
-}
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-int
-glthread_once_multithreaded (gl_once_t *once_control, void (*initfunction) (void))
-{
- if (!once_control->inited)
- {
- int err;
-
- /* Use the mutex to guarantee that if another thread is already calling
- the initfunction, this thread waits until it's finished. */
- err = mutex_lock (&once_control->mutex);
- if (err != 0)
- return err;
- if (!once_control->inited)
- {
- once_control->inited = 1;
- initfunction ();
- }
- return mutex_unlock (&once_control->mutex);
- }
- else
- return 0;
-}
-
-int
-glthread_once_singlethreaded (gl_once_t *once_control)
-{
- /* We know that gl_once_t contains an integer type. */
- if (!once_control->inited)
- {
- /* First time use of once_control. Invert the marker. */
- once_control->inited = ~ 0;
- return 1;
- }
- else
- return 0;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-void
-glthread_lock_init_func (gl_lock_t *lock)
-{
- InitializeCriticalSection (&lock->lock);
- lock->guard.done = 1;
-}
-
-int
-glthread_lock_lock_func (gl_lock_t *lock)
-{
- if (!lock->guard.done)
- {
- if (InterlockedIncrement (&lock->guard.started) == 0)
- /* This thread is the first one to need this lock. Initialize it. */
- glthread_lock_init (lock);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this lock. */
- while (!lock->guard.done)
- Sleep (0);
- }
- EnterCriticalSection (&lock->lock);
- return 0;
-}
-
-int
-glthread_lock_unlock_func (gl_lock_t *lock)
-{
- if (!lock->guard.done)
- return EINVAL;
- LeaveCriticalSection (&lock->lock);
- return 0;
-}
-
-int
-glthread_lock_destroy_func (gl_lock_t *lock)
-{
- if (!lock->guard.done)
- return EINVAL;
- DeleteCriticalSection (&lock->lock);
- lock->guard.done = 0;
- return 0;
-}
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-/* In this file, the waitqueues are implemented as circular arrays. */
-#define gl_waitqueue_t gl_carray_waitqueue_t
-
-static inline void
-gl_waitqueue_init (gl_waitqueue_t *wq)
-{
- wq->array = NULL;
- wq->count = 0;
- wq->alloc = 0;
- wq->offset = 0;
-}
-
-/* Enqueues the current thread, represented by an event, in a wait queue.
- Returns INVALID_HANDLE_VALUE if an allocation failure occurs. */
-static HANDLE
-gl_waitqueue_add (gl_waitqueue_t *wq)
-{
- HANDLE event;
- unsigned int index;
-
- if (wq->count == wq->alloc)
- {
- unsigned int new_alloc = 2 * wq->alloc + 1;
- HANDLE *new_array =
- (HANDLE *) realloc (wq->array, new_alloc * sizeof (HANDLE));
- if (new_array == NULL)
- /* No more memory. */
- return INVALID_HANDLE_VALUE;
- /* Now is a good opportunity to rotate the array so that its contents
- starts at offset 0. */
- if (wq->offset > 0)
- {
- unsigned int old_count = wq->count;
- unsigned int old_alloc = wq->alloc;
- unsigned int old_offset = wq->offset;
- unsigned int i;
- if (old_offset + old_count > old_alloc)
- {
- unsigned int limit = old_offset + old_count - old_alloc;
- for (i = 0; i < limit; i++)
- new_array[old_alloc + i] = new_array[i];
- }
- for (i = 0; i < old_count; i++)
- new_array[i] = new_array[old_offset + i];
- wq->offset = 0;
- }
- wq->array = new_array;
- wq->alloc = new_alloc;
- }
- /* Whether the created event is a manual-reset one or an auto-reset one,
- does not matter, since we will wait on it only once. */
- event = CreateEvent (NULL, TRUE, FALSE, NULL);
- if (event == INVALID_HANDLE_VALUE)
- /* No way to allocate an event. */
- return INVALID_HANDLE_VALUE;
- index = wq->offset + wq->count;
- if (index >= wq->alloc)
- index -= wq->alloc;
- wq->array[index] = event;
- wq->count++;
- return event;
-}
-
-/* Notifies the first thread from a wait queue and dequeues it. */
-static inline void
-gl_waitqueue_notify_first (gl_waitqueue_t *wq)
-{
- SetEvent (wq->array[wq->offset + 0]);
- wq->offset++;
- wq->count--;
- if (wq->count == 0 || wq->offset == wq->alloc)
- wq->offset = 0;
-}
-
-/* Notifies all threads from a wait queue and dequeues them all. */
-static inline void
-gl_waitqueue_notify_all (gl_waitqueue_t *wq)
-{
- unsigned int i;
-
- for (i = 0; i < wq->count; i++)
- {
- unsigned int index = wq->offset + i;
- if (index >= wq->alloc)
- index -= wq->alloc;
- SetEvent (wq->array[index]);
- }
- wq->count = 0;
- wq->offset = 0;
-}
-
-void
-glthread_rwlock_init_func (gl_rwlock_t *lock)
-{
- InitializeCriticalSection (&lock->lock);
- gl_waitqueue_init (&lock->waiting_readers);
- gl_waitqueue_init (&lock->waiting_writers);
- lock->runcount = 0;
- lock->guard.done = 1;
-}
-
-int
-glthread_rwlock_rdlock_func (gl_rwlock_t *lock)
-{
- if (!lock->guard.done)
- {
- if (InterlockedIncrement (&lock->guard.started) == 0)
- /* This thread is the first one to need this lock. Initialize it. */
- glthread_rwlock_init (lock);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this lock. */
- while (!lock->guard.done)
- Sleep (0);
- }
- EnterCriticalSection (&lock->lock);
- /* Test whether only readers are currently running, and whether the runcount
- field will not overflow. */
- if (!(lock->runcount + 1 > 0))
- {
- /* This thread has to wait for a while. Enqueue it among the
- waiting_readers. */
- HANDLE event = gl_waitqueue_add (&lock->waiting_readers);
- if (event != INVALID_HANDLE_VALUE)
- {
- DWORD result;
- LeaveCriticalSection (&lock->lock);
- /* Wait until another thread signals this event. */
- result = WaitForSingleObject (event, INFINITE);
- if (result == WAIT_FAILED || result == WAIT_TIMEOUT)
- abort ();
- CloseHandle (event);
- /* The thread which signalled the event already did the bookkeeping:
- removed us from the waiting_readers, incremented lock->runcount. */
- if (!(lock->runcount > 0))
- abort ();
- return 0;
- }
- else
- {
- /* Allocation failure. Weird. */
- do
- {
- LeaveCriticalSection (&lock->lock);
- Sleep (1);
- EnterCriticalSection (&lock->lock);
- }
- while (!(lock->runcount + 1 > 0));
- }
- }
- lock->runcount++;
- LeaveCriticalSection (&lock->lock);
- return 0;
-}
-
-int
-glthread_rwlock_wrlock_func (gl_rwlock_t *lock)
-{
- if (!lock->guard.done)
- {
- if (InterlockedIncrement (&lock->guard.started) == 0)
- /* This thread is the first one to need this lock. Initialize it. */
- glthread_rwlock_init (lock);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this lock. */
- while (!lock->guard.done)
- Sleep (0);
- }
- EnterCriticalSection (&lock->lock);
- /* Test whether no readers or writers are currently running. */
- if (!(lock->runcount == 0))
- {
- /* This thread has to wait for a while. Enqueue it among the
- waiting_writers. */
- HANDLE event = gl_waitqueue_add (&lock->waiting_writers);
- if (event != INVALID_HANDLE_VALUE)
- {
- DWORD result;
- LeaveCriticalSection (&lock->lock);
- /* Wait until another thread signals this event. */
- result = WaitForSingleObject (event, INFINITE);
- if (result == WAIT_FAILED || result == WAIT_TIMEOUT)
- abort ();
- CloseHandle (event);
- /* The thread which signalled the event already did the bookkeeping:
- removed us from the waiting_writers, set lock->runcount = -1. */
- if (!(lock->runcount == -1))
- abort ();
- return 0;
- }
- else
- {
- /* Allocation failure. Weird. */
- do
- {
- LeaveCriticalSection (&lock->lock);
- Sleep (1);
- EnterCriticalSection (&lock->lock);
- }
- while (!(lock->runcount == 0));
- }
- }
- lock->runcount--; /* runcount becomes -1 */
- LeaveCriticalSection (&lock->lock);
- return 0;
-}
-
-int
-glthread_rwlock_unlock_func (gl_rwlock_t *lock)
-{
- if (!lock->guard.done)
- return EINVAL;
- EnterCriticalSection (&lock->lock);
- if (lock->runcount < 0)
- {
- /* Drop a writer lock. */
- if (!(lock->runcount == -1))
- abort ();
- lock->runcount = 0;
- }
- else
- {
- /* Drop a reader lock. */
- if (!(lock->runcount > 0))
- {
- LeaveCriticalSection (&lock->lock);
- return EPERM;
- }
- lock->runcount--;
- }
- if (lock->runcount == 0)
- {
- /* POSIX recommends that "write locks shall take precedence over read
- locks", to avoid "writer starvation". */
- if (lock->waiting_writers.count > 0)
- {
- /* Wake up one of the waiting writers. */
- lock->runcount--;
- gl_waitqueue_notify_first (&lock->waiting_writers);
- }
- else
- {
- /* Wake up all waiting readers. */
- lock->runcount += lock->waiting_readers.count;
- gl_waitqueue_notify_all (&lock->waiting_readers);
- }
- }
- LeaveCriticalSection (&lock->lock);
- return 0;
-}
-
-int
-glthread_rwlock_destroy_func (gl_rwlock_t *lock)
-{
- if (!lock->guard.done)
- return EINVAL;
- if (lock->runcount != 0)
- return EBUSY;
- DeleteCriticalSection (&lock->lock);
- if (lock->waiting_readers.array != NULL)
- free (lock->waiting_readers.array);
- if (lock->waiting_writers.array != NULL)
- free (lock->waiting_writers.array);
- lock->guard.done = 0;
- return 0;
-}
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-void
-glthread_recursive_lock_init_func (gl_recursive_lock_t *lock)
-{
- lock->owner = 0;
- lock->depth = 0;
- InitializeCriticalSection (&lock->lock);
- lock->guard.done = 1;
-}
-
-int
-glthread_recursive_lock_lock_func (gl_recursive_lock_t *lock)
-{
- if (!lock->guard.done)
- {
- if (InterlockedIncrement (&lock->guard.started) == 0)
- /* This thread is the first one to need this lock. Initialize it. */
- glthread_recursive_lock_init (lock);
- else
- /* Yield the CPU while waiting for another thread to finish
- initializing this lock. */
- while (!lock->guard.done)
- Sleep (0);
- }
- {
- DWORD self = GetCurrentThreadId ();
- if (lock->owner != self)
- {
- EnterCriticalSection (&lock->lock);
- lock->owner = self;
- }
- if (++(lock->depth) == 0) /* wraparound? */
- {
- lock->depth--;
- return EAGAIN;
- }
- }
- return 0;
-}
-
-int
-glthread_recursive_lock_unlock_func (gl_recursive_lock_t *lock)
-{
- if (lock->owner != GetCurrentThreadId ())
- return EPERM;
- if (lock->depth == 0)
- return EINVAL;
- if (--(lock->depth) == 0)
- {
- lock->owner = 0;
- LeaveCriticalSection (&lock->lock);
- }
- return 0;
-}
-
-int
-glthread_recursive_lock_destroy_func (gl_recursive_lock_t *lock)
-{
- if (lock->owner != 0)
- return EBUSY;
- DeleteCriticalSection (&lock->lock);
- lock->guard.done = 0;
- return 0;
-}
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-void
-glthread_once_func (gl_once_t *once_control, void (*initfunction) (void))
-{
- if (once_control->inited <= 0)
- {
- if (InterlockedIncrement (&once_control->started) == 0)
- {
- /* This thread is the first one to come to this once_control. */
- InitializeCriticalSection (&once_control->lock);
- EnterCriticalSection (&once_control->lock);
- once_control->inited = 0;
- initfunction ();
- once_control->inited = 1;
- LeaveCriticalSection (&once_control->lock);
- }
- else
- {
- /* Undo last operation. */
- InterlockedDecrement (&once_control->started);
- /* Some other thread has already started the initialization.
- Yield the CPU while waiting for the other thread to finish
- initializing and taking the lock. */
- while (once_control->inited < 0)
- Sleep (0);
- if (once_control->inited <= 0)
- {
- /* Take the lock. This blocks until the other thread has
- finished calling the initfunction. */
- EnterCriticalSection (&once_control->lock);
- LeaveCriticalSection (&once_control->lock);
- if (!(once_control->inited > 0))
- abort ();
- }
- }
- }
-}
-
-#endif
-
-/* ========================================================================= */
diff --git a/lib/glthread/lock.h b/lib/glthread/lock.h
deleted file mode 100644
index 0cfb30e..0000000
--- a/lib/glthread/lock.h
+++ /dev/null
@@ -1,927 +0,0 @@
-/* Locking in multithreaded situations.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2005.
- Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
- gthr-win32.h. */
-
-/* This file contains locking primitives for use with a given thread library.
- It does not contain primitives for creating threads or for other
- synchronization primitives.
-
- Normal (non-recursive) locks:
- Type: gl_lock_t
- Declaration: gl_lock_define(extern, name)
- Initializer: gl_lock_define_initialized(, name)
- Initialization: gl_lock_init (name);
- Taking the lock: gl_lock_lock (name);
- Releasing the lock: gl_lock_unlock (name);
- De-initialization: gl_lock_destroy (name);
- Equivalent functions with control of error handling:
- Initialization: err = glthread_lock_init (&name);
- Taking the lock: err = glthread_lock_lock (&name);
- Releasing the lock: err = glthread_lock_unlock (&name);
- De-initialization: err = glthread_lock_destroy (&name);
-
- Read-Write (non-recursive) locks:
- Type: gl_rwlock_t
- Declaration: gl_rwlock_define(extern, name)
- Initializer: gl_rwlock_define_initialized(, name)
- Initialization: gl_rwlock_init (name);
- Taking the lock: gl_rwlock_rdlock (name);
- gl_rwlock_wrlock (name);
- Releasing the lock: gl_rwlock_unlock (name);
- De-initialization: gl_rwlock_destroy (name);
- Equivalent functions with control of error handling:
- Initialization: err = glthread_rwlock_init (&name);
- Taking the lock: err = glthread_rwlock_rdlock (&name);
- err = glthread_rwlock_wrlock (&name);
- Releasing the lock: err = glthread_rwlock_unlock (&name);
- De-initialization: err = glthread_rwlock_destroy (&name);
-
- Recursive locks:
- Type: gl_recursive_lock_t
- Declaration: gl_recursive_lock_define(extern, name)
- Initializer: gl_recursive_lock_define_initialized(, name)
- Initialization: gl_recursive_lock_init (name);
- Taking the lock: gl_recursive_lock_lock (name);
- Releasing the lock: gl_recursive_lock_unlock (name);
- De-initialization: gl_recursive_lock_destroy (name);
- Equivalent functions with control of error handling:
- Initialization: err = glthread_recursive_lock_init (&name);
- Taking the lock: err = glthread_recursive_lock_lock (&name);
- Releasing the lock: err = glthread_recursive_lock_unlock (&name);
- De-initialization: err = glthread_recursive_lock_destroy (&name);
-
- Once-only execution:
- Type: gl_once_t
- Initializer: gl_once_define(extern, name)
- Execution: gl_once (name, initfunction);
- Equivalent functions with control of error handling:
- Execution: err = glthread_once (&name, initfunction);
-*/
-
-
-#ifndef _LOCK_H
-#define _LOCK_H
-
-#include <errno.h>
-#include <stdlib.h>
-
-/* ========================================================================= */
-
-#if USE_POSIX_THREADS
-
-/* Use the POSIX threads library. */
-
-# include <pthread.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if PTHREAD_IN_USE_DETECTION_HARD
-
-/* The pthread_in_use() detection needs to be done at runtime. */
-# define pthread_in_use() \
- glthread_in_use ()
-extern int glthread_in_use (void);
-
-# endif
-
-# if USE_POSIX_THREADS_WEAK
-
-/* Use weak references to the POSIX threads library. */
-
-/* Weak references avoid dragging in external libraries if the other parts
- of the program don't use them. Here we use them, because we don't want
- every program that uses libintl to depend on libpthread. This assumes
- that libpthread would not be loaded after libintl; i.e. if libintl is
- loaded first, by an executable that does not depend on libpthread, and
- then a module is dynamically loaded that depends on libpthread, libintl
- will not be multithread-safe. */
-
-/* The way to test at runtime whether libpthread is present is to test
- whether a function pointer's value, such as &pthread_mutex_init, is
- non-NULL. However, some versions of GCC have a bug through which, in
- PIC mode, &foo != NULL always evaluates to true if there is a direct
- call to foo(...) in the same function. To avoid this, we test the
- address of a function in libpthread that we don't use. */
-
-# pragma weak pthread_mutex_init
-# pragma weak pthread_mutex_lock
-# pragma weak pthread_mutex_unlock
-# pragma weak pthread_mutex_destroy
-# pragma weak pthread_rwlock_init
-# pragma weak pthread_rwlock_rdlock
-# pragma weak pthread_rwlock_wrlock
-# pragma weak pthread_rwlock_unlock
-# pragma weak pthread_rwlock_destroy
-# pragma weak pthread_once
-# pragma weak pthread_cond_init
-# pragma weak pthread_cond_wait
-# pragma weak pthread_cond_signal
-# pragma weak pthread_cond_broadcast
-# pragma weak pthread_cond_destroy
-# pragma weak pthread_mutexattr_init
-# pragma weak pthread_mutexattr_settype
-# pragma weak pthread_mutexattr_destroy
-# ifndef pthread_self
-# pragma weak pthread_self
-# endif
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# pragma weak pthread_cancel
-# define pthread_in_use() (pthread_cancel != NULL)
-# endif
-
-# else
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# define pthread_in_use() 1
-# endif
-
-# endif
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-typedef pthread_mutex_t gl_lock_t;
-# define gl_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS pthread_mutex_t NAME;
-# define gl_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pthread_mutex_t NAME = gl_lock_initializer;
-# define gl_lock_initializer \
- PTHREAD_MUTEX_INITIALIZER
-# define glthread_lock_init(LOCK) \
- (pthread_in_use () ? pthread_mutex_init (LOCK, NULL) : 0)
-# define glthread_lock_lock(LOCK) \
- (pthread_in_use () ? pthread_mutex_lock (LOCK) : 0)
-# define glthread_lock_unlock(LOCK) \
- (pthread_in_use () ? pthread_mutex_unlock (LOCK) : 0)
-# define glthread_lock_destroy(LOCK) \
- (pthread_in_use () ? pthread_mutex_destroy (LOCK) : 0)
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-# if HAVE_PTHREAD_RWLOCK
-
-# ifdef PTHREAD_RWLOCK_INITIALIZER
-
-typedef pthread_rwlock_t gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS pthread_rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pthread_rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- PTHREAD_RWLOCK_INITIALIZER
-# define glthread_rwlock_init(LOCK) \
- (pthread_in_use () ? pthread_rwlock_init (LOCK, NULL) : 0)
-# define glthread_rwlock_rdlock(LOCK) \
- (pthread_in_use () ? pthread_rwlock_rdlock (LOCK) : 0)
-# define glthread_rwlock_wrlock(LOCK) \
- (pthread_in_use () ? pthread_rwlock_wrlock (LOCK) : 0)
-# define glthread_rwlock_unlock(LOCK) \
- (pthread_in_use () ? pthread_rwlock_unlock (LOCK) : 0)
-# define glthread_rwlock_destroy(LOCK) \
- (pthread_in_use () ? pthread_rwlock_destroy (LOCK) : 0)
-
-# else
-
-typedef struct
- {
- int initialized;
- pthread_mutex_t guard; /* protects the initialization */
- pthread_rwlock_t rwlock; /* read-write lock */
- }
- gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- { 0, PTHREAD_MUTEX_INITIALIZER }
-# define glthread_rwlock_init(LOCK) \
- (pthread_in_use () ? glthread_rwlock_init_multithreaded (LOCK) : 0)
-# define glthread_rwlock_rdlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_rdlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_wrlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_wrlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_unlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_unlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_destroy(LOCK) \
- (pthread_in_use () ? glthread_rwlock_destroy_multithreaded (LOCK) : 0)
-extern int glthread_rwlock_init_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock);
-
-# endif
-
-# else
-
-typedef struct
- {
- pthread_mutex_t lock; /* protects the remaining fields */
- pthread_cond_t waiting_readers; /* waiting readers */
- pthread_cond_t waiting_writers; /* waiting writers */
- unsigned int waiting_writers_count; /* number of waiting writers */
- int runcount; /* number of readers running, or -1 when a writer runs */
- }
- gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- { PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, PTHREAD_COND_INITIALIZER, 0, 0 }
-# define glthread_rwlock_init(LOCK) \
- (pthread_in_use () ? glthread_rwlock_init_multithreaded (LOCK) : 0)
-# define glthread_rwlock_rdlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_rdlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_wrlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_wrlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_unlock(LOCK) \
- (pthread_in_use () ? glthread_rwlock_unlock_multithreaded (LOCK) : 0)
-# define glthread_rwlock_destroy(LOCK) \
- (pthread_in_use () ? glthread_rwlock_destroy_multithreaded (LOCK) : 0)
-extern int glthread_rwlock_init_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_rdlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_wrlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_unlock_multithreaded (gl_rwlock_t *lock);
-extern int glthread_rwlock_destroy_multithreaded (gl_rwlock_t *lock);
-
-# endif
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-# if HAVE_PTHREAD_MUTEX_RECURSIVE
-
-# if defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER || defined PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
-
-typedef pthread_mutex_t gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS pthread_mutex_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pthread_mutex_t NAME = gl_recursive_lock_initializer;
-# ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER
-# define gl_recursive_lock_initializer \
- PTHREAD_RECURSIVE_MUTEX_INITIALIZER
-# else
-# define gl_recursive_lock_initializer \
- PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
-# endif
-# define glthread_recursive_lock_init(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_lock(LOCK) \
- (pthread_in_use () ? pthread_mutex_lock (LOCK) : 0)
-# define glthread_recursive_lock_unlock(LOCK) \
- (pthread_in_use () ? pthread_mutex_unlock (LOCK) : 0)
-# define glthread_recursive_lock_destroy(LOCK) \
- (pthread_in_use () ? pthread_mutex_destroy (LOCK) : 0)
-extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock);
-
-# else
-
-typedef struct
- {
- pthread_mutex_t recmutex; /* recursive mutex */
- pthread_mutex_t guard; /* protects the initialization */
- int initialized;
- }
- gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer;
-# define gl_recursive_lock_initializer \
- { PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, 0 }
-# define glthread_recursive_lock_init(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_lock(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_lock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_unlock(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_unlock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_destroy(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_destroy_multithreaded (LOCK) : 0)
-extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock);
-
-# endif
-
-# else
-
-/* Old versions of POSIX threads on Solaris did not have recursive locks.
- We have to implement them ourselves. */
-
-typedef struct
- {
- pthread_mutex_t mutex;
- pthread_t owner;
- unsigned long depth;
- }
- gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer;
-# define gl_recursive_lock_initializer \
- { PTHREAD_MUTEX_INITIALIZER, (pthread_t) 0, 0 }
-# define glthread_recursive_lock_init(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_lock(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_lock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_unlock(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_unlock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_destroy(LOCK) \
- (pthread_in_use () ? glthread_recursive_lock_destroy_multithreaded (LOCK) : 0)
-extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock);
-
-# endif
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-typedef pthread_once_t gl_once_t;
-# define gl_once_define(STORAGECLASS, NAME) \
- STORAGECLASS pthread_once_t NAME = PTHREAD_ONCE_INIT;
-# define glthread_once(ONCE_CONTROL, INITFUNCTION) \
- (pthread_in_use () \
- ? pthread_once (ONCE_CONTROL, INITFUNCTION) \
- : (glthread_once_singlethreaded (ONCE_CONTROL) ? (INITFUNCTION (), 0) : 0))
-extern int glthread_once_singlethreaded (pthread_once_t *once_control);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_PTH_THREADS
-
-/* Use the GNU Pth threads library. */
-
-# include <pth.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_PTH_THREADS_WEAK
-
-/* Use weak references to the GNU Pth threads library. */
-
-# pragma weak pth_mutex_init
-# pragma weak pth_mutex_acquire
-# pragma weak pth_mutex_release
-# pragma weak pth_rwlock_init
-# pragma weak pth_rwlock_acquire
-# pragma weak pth_rwlock_release
-# pragma weak pth_once
-
-# pragma weak pth_cancel
-# define pth_in_use() (pth_cancel != NULL)
-
-# else
-
-# define pth_in_use() 1
-
-# endif
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-typedef pth_mutex_t gl_lock_t;
-# define gl_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS pth_mutex_t NAME;
-# define gl_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pth_mutex_t NAME = gl_lock_initializer;
-# define gl_lock_initializer \
- PTH_MUTEX_INIT
-# define glthread_lock_init(LOCK) \
- (pth_in_use() && !pth_mutex_init (LOCK) ? errno : 0)
-# define glthread_lock_lock(LOCK) \
- (pth_in_use() && !pth_mutex_acquire (LOCK, 0, NULL) ? errno : 0)
-# define glthread_lock_unlock(LOCK) \
- (pth_in_use() && !pth_mutex_release (LOCK) ? errno : 0)
-# define glthread_lock_destroy(LOCK) \
- ((void)(LOCK), 0)
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-typedef pth_rwlock_t gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS pth_rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pth_rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- PTH_RWLOCK_INIT
-# define glthread_rwlock_init(LOCK) \
- (pth_in_use() && !pth_rwlock_init (LOCK) ? errno : 0)
-# define glthread_rwlock_rdlock(LOCK) \
- (pth_in_use() && !pth_rwlock_acquire (LOCK, PTH_RWLOCK_RD, 0, NULL) ? errno : 0)
-# define glthread_rwlock_wrlock(LOCK) \
- (pth_in_use() && !pth_rwlock_acquire (LOCK, PTH_RWLOCK_RW, 0, NULL) ? errno : 0)
-# define glthread_rwlock_unlock(LOCK) \
- (pth_in_use() && !pth_rwlock_release (LOCK) ? errno : 0)
-# define glthread_rwlock_destroy(LOCK) \
- ((void)(LOCK), 0)
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-/* In Pth, mutexes are recursive by default. */
-typedef pth_mutex_t gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS pth_mutex_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS pth_mutex_t NAME = gl_recursive_lock_initializer;
-# define gl_recursive_lock_initializer \
- PTH_MUTEX_INIT
-# define glthread_recursive_lock_init(LOCK) \
- (pth_in_use() && !pth_mutex_init (LOCK) ? errno : 0)
-# define glthread_recursive_lock_lock(LOCK) \
- (pth_in_use() && !pth_mutex_acquire (LOCK, 0, NULL) ? errno : 0)
-# define glthread_recursive_lock_unlock(LOCK) \
- (pth_in_use() && !pth_mutex_release (LOCK) ? errno : 0)
-# define glthread_recursive_lock_destroy(LOCK) \
- ((void)(LOCK), 0)
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-typedef pth_once_t gl_once_t;
-# define gl_once_define(STORAGECLASS, NAME) \
- STORAGECLASS pth_once_t NAME = PTH_ONCE_INIT;
-# define glthread_once(ONCE_CONTROL, INITFUNCTION) \
- (pth_in_use () \
- ? glthread_once_multithreaded (ONCE_CONTROL, INITFUNCTION) \
- : (glthread_once_singlethreaded (ONCE_CONTROL) ? (INITFUNCTION (), 0) : 0))
-extern int glthread_once_multithreaded (pth_once_t *once_control, void (*initfunction) (void));
-extern int glthread_once_singlethreaded (pth_once_t *once_control);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_SOLARIS_THREADS
-
-/* Use the old Solaris threads library. */
-
-# include <thread.h>
-# include <synch.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_SOLARIS_THREADS_WEAK
-
-/* Use weak references to the old Solaris threads library. */
-
-# pragma weak mutex_init
-# pragma weak mutex_lock
-# pragma weak mutex_unlock
-# pragma weak mutex_destroy
-# pragma weak rwlock_init
-# pragma weak rw_rdlock
-# pragma weak rw_wrlock
-# pragma weak rw_unlock
-# pragma weak rwlock_destroy
-# pragma weak thr_self
-
-# pragma weak thr_suspend
-# define thread_in_use() (thr_suspend != NULL)
-
-# else
-
-# define thread_in_use() 1
-
-# endif
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-typedef mutex_t gl_lock_t;
-# define gl_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS mutex_t NAME;
-# define gl_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS mutex_t NAME = gl_lock_initializer;
-# define gl_lock_initializer \
- DEFAULTMUTEX
-# define glthread_lock_init(LOCK) \
- (thread_in_use () ? mutex_init (LOCK, USYNC_THREAD, NULL) : 0)
-# define glthread_lock_lock(LOCK) \
- (thread_in_use () ? mutex_lock (LOCK) : 0)
-# define glthread_lock_unlock(LOCK) \
- (thread_in_use () ? mutex_unlock (LOCK) : 0)
-# define glthread_lock_destroy(LOCK) \
- (thread_in_use () ? mutex_destroy (LOCK) : 0)
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-typedef rwlock_t gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- DEFAULTRWLOCK
-# define glthread_rwlock_init(LOCK) \
- (thread_in_use () ? rwlock_init (LOCK, USYNC_THREAD, NULL) : 0)
-# define glthread_rwlock_rdlock(LOCK) \
- (thread_in_use () ? rw_rdlock (LOCK) : 0)
-# define glthread_rwlock_wrlock(LOCK) \
- (thread_in_use () ? rw_wrlock (LOCK) : 0)
-# define glthread_rwlock_unlock(LOCK) \
- (thread_in_use () ? rw_unlock (LOCK) : 0)
-# define glthread_rwlock_destroy(LOCK) \
- (thread_in_use () ? rwlock_destroy (LOCK) : 0)
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-/* Old Solaris threads did not have recursive locks.
- We have to implement them ourselves. */
-
-typedef struct
- {
- mutex_t mutex;
- thread_t owner;
- unsigned long depth;
- }
- gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer;
-# define gl_recursive_lock_initializer \
- { DEFAULTMUTEX, (thread_t) 0, 0 }
-# define glthread_recursive_lock_init(LOCK) \
- (thread_in_use () ? glthread_recursive_lock_init_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_lock(LOCK) \
- (thread_in_use () ? glthread_recursive_lock_lock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_unlock(LOCK) \
- (thread_in_use () ? glthread_recursive_lock_unlock_multithreaded (LOCK) : 0)
-# define glthread_recursive_lock_destroy(LOCK) \
- (thread_in_use () ? glthread_recursive_lock_destroy_multithreaded (LOCK) : 0)
-extern int glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_lock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_unlock_multithreaded (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_destroy_multithreaded (gl_recursive_lock_t *lock);
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-typedef struct
- {
- volatile int inited;
- mutex_t mutex;
- }
- gl_once_t;
-# define gl_once_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_once_t NAME = { 0, DEFAULTMUTEX };
-# define glthread_once(ONCE_CONTROL, INITFUNCTION) \
- (thread_in_use () \
- ? glthread_once_multithreaded (ONCE_CONTROL, INITFUNCTION) \
- : (glthread_once_singlethreaded (ONCE_CONTROL) ? (INITFUNCTION (), 0) : 0))
-extern int glthread_once_multithreaded (gl_once_t *once_control, void (*initfunction) (void));
-extern int glthread_once_singlethreaded (gl_once_t *once_control);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-# include <windows.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/* We can use CRITICAL_SECTION directly, rather than the Win32 Event, Mutex,
- Semaphore types, because
- - we need only to synchronize inside a single process (address space),
- not inter-process locking,
- - we don't need to support trylock operations. (TryEnterCriticalSection
- does not work on Windows 95/98/ME. Packages that need trylock usually
- define their own mutex type.) */
-
-/* There is no way to statically initialize a CRITICAL_SECTION. It needs
- to be done lazily, once only. For this we need spinlocks. */
-
-typedef struct { volatile int done; volatile long started; } gl_spinlock_t;
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-typedef struct
- {
- gl_spinlock_t guard; /* protects the initialization */
- CRITICAL_SECTION lock;
- }
- gl_lock_t;
-# define gl_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_lock_t NAME;
-# define gl_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_lock_t NAME = gl_lock_initializer;
-# define gl_lock_initializer \
- { { 0, -1 } }
-# define glthread_lock_init(LOCK) \
- (glthread_lock_init_func (LOCK), 0)
-# define glthread_lock_lock(LOCK) \
- glthread_lock_lock_func (LOCK)
-# define glthread_lock_unlock(LOCK) \
- glthread_lock_unlock_func (LOCK)
-# define glthread_lock_destroy(LOCK) \
- glthread_lock_destroy_func (LOCK)
-extern void glthread_lock_init_func (gl_lock_t *lock);
-extern int glthread_lock_lock_func (gl_lock_t *lock);
-extern int glthread_lock_unlock_func (gl_lock_t *lock);
-extern int glthread_lock_destroy_func (gl_lock_t *lock);
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-/* It is impossible to implement read-write locks using plain locks, without
- introducing an extra thread dedicated to managing read-write locks.
- Therefore here we need to use the low-level Event type. */
-
-typedef struct
- {
- HANDLE *array; /* array of waiting threads, each represented by an event */
- unsigned int count; /* number of waiting threads */
- unsigned int alloc; /* length of allocated array */
- unsigned int offset; /* index of first waiting thread in array */
- }
- gl_carray_waitqueue_t;
-typedef struct
- {
- gl_spinlock_t guard; /* protects the initialization */
- CRITICAL_SECTION lock; /* protects the remaining fields */
- gl_carray_waitqueue_t waiting_readers; /* waiting readers */
- gl_carray_waitqueue_t waiting_writers; /* waiting writers */
- int runcount; /* number of readers running, or -1 when a writer runs */
- }
- gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME;
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_rwlock_t NAME = gl_rwlock_initializer;
-# define gl_rwlock_initializer \
- { { 0, -1 } }
-# define glthread_rwlock_init(LOCK) \
- (glthread_rwlock_init_func (LOCK), 0)
-# define glthread_rwlock_rdlock(LOCK) \
- glthread_rwlock_rdlock_func (LOCK)
-# define glthread_rwlock_wrlock(LOCK) \
- glthread_rwlock_wrlock_func (LOCK)
-# define glthread_rwlock_unlock(LOCK) \
- glthread_rwlock_unlock_func (LOCK)
-# define glthread_rwlock_destroy(LOCK) \
- glthread_rwlock_destroy_func (LOCK)
-extern void glthread_rwlock_init_func (gl_rwlock_t *lock);
-extern int glthread_rwlock_rdlock_func (gl_rwlock_t *lock);
-extern int glthread_rwlock_wrlock_func (gl_rwlock_t *lock);
-extern int glthread_rwlock_unlock_func (gl_rwlock_t *lock);
-extern int glthread_rwlock_destroy_func (gl_rwlock_t *lock);
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-/* The Win32 documentation says that CRITICAL_SECTION already implements a
- recursive lock. But we need not rely on it: It's easy to implement a
- recursive lock without this assumption. */
-
-typedef struct
- {
- gl_spinlock_t guard; /* protects the initialization */
- DWORD owner;
- unsigned long depth;
- CRITICAL_SECTION lock;
- }
- gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME;
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME) \
- STORAGECLASS gl_recursive_lock_t NAME = gl_recursive_lock_initializer;
-# define gl_recursive_lock_initializer \
- { { 0, -1 }, 0, 0 }
-# define glthread_recursive_lock_init(LOCK) \
- (glthread_recursive_lock_init_func (LOCK), 0)
-# define glthread_recursive_lock_lock(LOCK) \
- glthread_recursive_lock_lock_func (LOCK)
-# define glthread_recursive_lock_unlock(LOCK) \
- glthread_recursive_lock_unlock_func (LOCK)
-# define glthread_recursive_lock_destroy(LOCK) \
- glthread_recursive_lock_destroy_func (LOCK)
-extern void glthread_recursive_lock_init_func (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_lock_func (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_unlock_func (gl_recursive_lock_t *lock);
-extern int glthread_recursive_lock_destroy_func (gl_recursive_lock_t *lock);
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-typedef struct
- {
- volatile int inited;
- volatile long started;
- CRITICAL_SECTION lock;
- }
- gl_once_t;
-# define gl_once_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_once_t NAME = { -1, -1 };
-# define glthread_once(ONCE_CONTROL, INITFUNCTION) \
- (glthread_once_func (ONCE_CONTROL, INITFUNCTION), 0)
-extern void glthread_once_func (gl_once_t *once_control, void (*initfunction) (void));
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
-
-/* Provide dummy implementation if threads are not supported. */
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-typedef int gl_lock_t;
-# define gl_lock_define(STORAGECLASS, NAME)
-# define gl_lock_define_initialized(STORAGECLASS, NAME)
-# define glthread_lock_init(NAME) 0
-# define glthread_lock_lock(NAME) 0
-# define glthread_lock_unlock(NAME) 0
-# define glthread_lock_destroy(NAME) 0
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-typedef int gl_rwlock_t;
-# define gl_rwlock_define(STORAGECLASS, NAME)
-# define gl_rwlock_define_initialized(STORAGECLASS, NAME)
-# define glthread_rwlock_init(NAME) 0
-# define glthread_rwlock_rdlock(NAME) 0
-# define glthread_rwlock_wrlock(NAME) 0
-# define glthread_rwlock_unlock(NAME) 0
-# define glthread_rwlock_destroy(NAME) 0
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-typedef int gl_recursive_lock_t;
-# define gl_recursive_lock_define(STORAGECLASS, NAME)
-# define gl_recursive_lock_define_initialized(STORAGECLASS, NAME)
-# define glthread_recursive_lock_init(NAME) 0
-# define glthread_recursive_lock_lock(NAME) 0
-# define glthread_recursive_lock_unlock(NAME) 0
-# define glthread_recursive_lock_destroy(NAME) 0
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-typedef int gl_once_t;
-# define gl_once_define(STORAGECLASS, NAME) \
- STORAGECLASS gl_once_t NAME = 0;
-# define glthread_once(ONCE_CONTROL, INITFUNCTION) \
- (*(ONCE_CONTROL) == 0 ? (*(ONCE_CONTROL) = ~ 0, INITFUNCTION (), 0) : 0)
-
-#endif
-
-/* ========================================================================= */
-
-/* Macros with built-in error handling. */
-
-/* -------------------------- gl_lock_t datatype -------------------------- */
-
-#define gl_lock_init(NAME) \
- do \
- { \
- if (glthread_lock_init (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_lock_lock(NAME) \
- do \
- { \
- if (glthread_lock_lock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_lock_unlock(NAME) \
- do \
- { \
- if (glthread_lock_unlock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_lock_destroy(NAME) \
- do \
- { \
- if (glthread_lock_destroy (&NAME)) \
- abort (); \
- } \
- while (0)
-
-/* ------------------------- gl_rwlock_t datatype ------------------------- */
-
-#define gl_rwlock_init(NAME) \
- do \
- { \
- if (glthread_rwlock_init (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_rwlock_rdlock(NAME) \
- do \
- { \
- if (glthread_rwlock_rdlock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_rwlock_wrlock(NAME) \
- do \
- { \
- if (glthread_rwlock_wrlock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_rwlock_unlock(NAME) \
- do \
- { \
- if (glthread_rwlock_unlock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_rwlock_destroy(NAME) \
- do \
- { \
- if (glthread_rwlock_destroy (&NAME)) \
- abort (); \
- } \
- while (0)
-
-/* --------------------- gl_recursive_lock_t datatype --------------------- */
-
-#define gl_recursive_lock_init(NAME) \
- do \
- { \
- if (glthread_recursive_lock_init (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_recursive_lock_lock(NAME) \
- do \
- { \
- if (glthread_recursive_lock_lock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_recursive_lock_unlock(NAME) \
- do \
- { \
- if (glthread_recursive_lock_unlock (&NAME)) \
- abort (); \
- } \
- while (0)
-#define gl_recursive_lock_destroy(NAME) \
- do \
- { \
- if (glthread_recursive_lock_destroy (&NAME)) \
- abort (); \
- } \
- while (0)
-
-/* -------------------------- gl_once_t datatype -------------------------- */
-
-#define gl_once(NAME, INITFUNCTION) \
- do \
- { \
- if (glthread_once (&NAME, INITFUNCTION)) \
- abort (); \
- } \
- while (0)
-
-/* ========================================================================= */
-
-#endif /* _LOCK_H */
diff --git a/lib/glthread/thread.c b/lib/glthread/thread.c
deleted file mode 100644
index 82d2ad4..0000000
--- a/lib/glthread/thread.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/* Creating and controlling threads.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2005.
- Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
- gthr-win32.h. */
-
-#include <config.h>
-
-/* Specification. */
-#include "glthread/thread.h"
-
-#include <stdlib.h>
-#include "glthread/lock.h"
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-#include <process.h>
-
-/* -------------------------- gl_thread_t datatype -------------------------- */
-
-/* The Thread-Local Storage (TLS) key that allows to access each thread's
- 'struct gl_thread_struct *' pointer. */
-static DWORD self_key = (DWORD)-1;
-
-/* Initializes self_key. This function must only be called once. */
-static void
-do_init_self_key (void)
-{
- self_key = TlsAlloc ();
- /* If this fails, we're hosed. */
- if (self_key == (DWORD)-1)
- abort ();
-}
-
-/* Initializes self_key. */
-static void
-init_self_key (void)
-{
- gl_once_define(static, once)
- gl_once (once, do_init_self_key);
-}
-
-/* This structure contains information about a thread.
- It is stored in TLS under key self_key. */
-struct gl_thread_struct
-{
- /* Fields for managing the handle. */
- HANDLE volatile handle;
- CRITICAL_SECTION handle_lock;
- /* Fields for managing the exit value. */
- void * volatile result;
- /* Fields for managing the thread start. */
- void * (*func) (void *);
- void *arg;
-};
-
-/* Return a real HANDLE object for the current thread. */
-static inline HANDLE
-get_current_thread_handle (void)
-{
- HANDLE this_handle;
-
- /* GetCurrentThread() returns a pseudo-handle, i.e. only a symbolic
- identifier, not a real handle. */
- if (!DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
- GetCurrentProcess (), &this_handle,
- 0, FALSE, DUPLICATE_SAME_ACCESS))
- abort ();
- return this_handle;
-}
-
-gl_thread_t
-gl_thread_self_func (void)
-{
- gl_thread_t thread;
-
- if (self_key == (DWORD)-1)
- init_self_key ();
- thread = TlsGetValue (self_key);
- if (thread == NULL)
- {
- /* This happens only in threads that have not been created through
- glthread_create(), such as the main thread. */
- for (;;)
- {
- thread =
- (struct gl_thread_struct *)
- malloc (sizeof (struct gl_thread_struct));
- if (thread != NULL)
- break;
- /* Memory allocation failed. There is not much we can do. Have to
- busy-loop, waiting for the availability of memory. */
- Sleep (1);
- }
-
- thread->handle = get_current_thread_handle ();
- InitializeCriticalSection (&thread->handle_lock);
- thread->result = NULL; /* just to be deterministic */
- TlsSetValue (self_key, thread);
- }
- return thread;
-}
-
-/* The main function of a freshly creating thread. It's a wrapper around
- the FUNC and ARG arguments passed to glthread_create_func. */
-static unsigned int WINAPI
-wrapper_func (void *varg)
-{
- struct gl_thread_struct *thread = (struct gl_thread_struct *)varg;
-
- EnterCriticalSection (&thread->handle_lock);
- /* Create a new handle for the thread only if the parent thread did not yet
- fill in the handle. */
- if (thread->handle == NULL)
- thread->handle = get_current_thread_handle ();
- LeaveCriticalSection (&thread->handle_lock);
-
- if (self_key == (DWORD)-1)
- init_self_key ();
- TlsSetValue (self_key, thread);
-
- /* Run the thread. Store the exit value if the thread was not terminated
- otherwise. */
- thread->result = thread->func (thread->arg);
- return 0;
-}
-
-int
-glthread_create_func (gl_thread_t *threadp, void * (*func) (void *), void *arg)
-{
- struct gl_thread_struct *thread =
- (struct gl_thread_struct *) malloc (sizeof (struct gl_thread_struct));
- if (thread == NULL)
- return ENOMEM;
- thread->handle = NULL;
- InitializeCriticalSection (&thread->handle_lock);
- thread->result = NULL; /* just to be deterministic */
- thread->func = func;
- thread->arg = arg;
-
- {
- unsigned int thread_id;
- HANDLE thread_handle;
-
- thread_handle = (HANDLE)
- _beginthreadex (NULL, 100000, wrapper_func, thread, 0, &thread_id);
- /* calls CreateThread with the same arguments */
- if (thread_handle == NULL)
- {
- DeleteCriticalSection (&thread->handle_lock);
- free (thread);
- return EAGAIN;
- }
-
- EnterCriticalSection (&thread->handle_lock);
- if (thread->handle == NULL)
- thread->handle = thread_handle;
- else
- /* thread->handle was already set by the thread itself. */
- CloseHandle (thread_handle);
- LeaveCriticalSection (&thread->handle_lock);
-
- *threadp = thread;
- return 0;
- }
-}
-
-int
-glthread_join_func (gl_thread_t thread, void **retvalp)
-{
- if (thread == NULL)
- return EINVAL;
-
- if (thread == gl_thread_self ())
- return EDEADLK;
-
- if (WaitForSingleObject (thread->handle, INFINITE) == WAIT_FAILED)
- return EINVAL;
-
- if (retvalp != NULL)
- *retvalp = thread->result;
-
- DeleteCriticalSection (&thread->handle_lock);
- CloseHandle (thread->handle);
- free (thread);
-
- return 0;
-}
-
-int
-gl_thread_exit_func (void *retval)
-{
- gl_thread_t thread = gl_thread_self ();
- thread->result = retval;
- _endthreadex (0); /* calls ExitThread (0) */
- abort ();
-}
-
-#endif
-
-/* ========================================================================= */
diff --git a/lib/glthread/thread.h b/lib/glthread/thread.h
deleted file mode 100644
index c47a82e..0000000
--- a/lib/glthread/thread.h
+++ /dev/null
@@ -1,376 +0,0 @@
-/* Creating and controlling threads.
- Copyright (C) 2005-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2005.
- Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
- gthr-win32.h. */
-
-/* This file contains primitives for creating and controlling threads.
-
- Thread data type: gl_thread_t.
-
- Creating a thread:
- thread = gl_thread_create (func, arg);
- Or with control of error handling:
- err = glthread_create (&thread, func, arg);
- extern int glthread_create (gl_thread_t *result,
- void *(*func) (void *), void *arg);
-
- Querying and changing the signal mask of a thread (not supported on all
- platforms):
- gl_thread_sigmask (how, newmask, oldmask);
- Or with control of error handling:
- err = glthread_sigmask (how, newmask, oldmask);
- extern int glthread_sigmask (int how, const sigset_t *newmask, sigset_t *oldmask);
-
- Waiting for termination of another thread:
- gl_thread_join (thread, &return_value);
- Or with control of error handling:
- err = glthread_join (thread, &return_value);
- extern int glthread_join (gl_thread_t thread, void **return_value_ptr);
-
- Getting a reference to the current thread:
- current = gl_thread_self ();
- extern gl_thread_t gl_thread_self (void);
-
- Terminating the current thread:
- gl_thread_exit (return_value);
- extern void gl_thread_exit (void *return_value) __attribute__ ((noreturn));
-
- Requesting custom code to be executed at fork() time(not supported on all
- platforms):
- gl_thread_atfork (prepare_func, parent_func, child_func);
- Or with control of error handling:
- err = glthread_atfork (prepare_func, parent_func, child_func);
- extern int glthread_atfork (void (*prepare_func) (void),
- void (*parent_func) (void),
- void (*child_func) (void));
- Note that even on platforms where this is supported, use of fork() and
- threads together is problematic, see
- <http://lists.gnu.org/archive/html/bug-gnulib/2008-08/msg00062.html>
- */
-
-
-#ifndef _GLTHREAD_THREAD_H
-#define _GLTHREAD_THREAD_H
-
-#include <errno.h>
-#include <stdlib.h>
-
-/* ========================================================================= */
-
-#if USE_POSIX_THREADS
-
-/* Use the POSIX threads library. */
-
-# include <pthread.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if PTHREAD_IN_USE_DETECTION_HARD
-
-/* The pthread_in_use() detection needs to be done at runtime. */
-# define pthread_in_use() \
- glthread_in_use ()
-extern int glthread_in_use (void);
-
-# endif
-
-# if USE_POSIX_THREADS_WEAK
-
-/* Use weak references to the POSIX threads library. */
-
-/* Weak references avoid dragging in external libraries if the other parts
- of the program don't use them. Here we use them, because we don't want
- every program that uses libintl to depend on libpthread. This assumes
- that libpthread would not be loaded after libintl; i.e. if libintl is
- loaded first, by an executable that does not depend on libpthread, and
- then a module is dynamically loaded that depends on libpthread, libintl
- will not be multithread-safe. */
-
-/* The way to test at runtime whether libpthread is present is to test
- whether a function pointer's value, such as &pthread_mutex_init, is
- non-NULL. However, some versions of GCC have a bug through which, in
- PIC mode, &foo != NULL always evaluates to true if there is a direct
- call to foo(...) in the same function. To avoid this, we test the
- address of a function in libpthread that we don't use. */
-
-# pragma weak pthread_create
-# pragma weak pthread_sigmask
-# pragma weak pthread_join
-# ifndef pthread_self
-# pragma weak pthread_self
-# endif
-# pragma weak pthread_exit
-# if HAVE_PTHREAD_ATFORK
-# pragma weak pthread_atfork
-# endif
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# pragma weak pthread_cancel
-# define pthread_in_use() (pthread_cancel != NULL)
-# endif
-
-# else
-
-# if !PTHREAD_IN_USE_DETECTION_HARD
-# define pthread_in_use() 1
-# endif
-
-# endif
-
-/* -------------------------- gl_thread_t datatype -------------------------- */
-
-/* This choice of gl_thread_t assumes that
- pthread_equal (a, b) is equivalent to ((a) == (b)).
- This is the case on all platforms in use in 2008. */
-typedef pthread_t gl_thread_t;
-# define glthread_create(THREADP, FUNC, ARG) \
- (pthread_in_use () ? pthread_create (THREADP, NULL, FUNC, ARG) : ENOSYS)
-# define glthread_sigmask(HOW, SET, OSET) \
- (pthread_in_use () ? pthread_sigmask (HOW, SET, OSET) : 0)
-# define glthread_join(THREAD, RETVALP) \
- (pthread_in_use () ? pthread_join (THREAD, RETVALP) : 0)
-# define gl_thread_self() \
- (pthread_in_use () ? (void *) pthread_self () : NULL)
-# define gl_thread_exit(RETVAL) \
- (pthread_in_use () ? pthread_exit (RETVAL) : 0)
-
-# if HAVE_PTHREAD_ATFORK
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) \
- (pthread_in_use () ? pthread_atfork (PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) : 0)
-# else
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
-# endif
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_PTH_THREADS
-
-/* Use the GNU Pth threads library. */
-
-# include <pth.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_PTH_THREADS_WEAK
-
-/* Use weak references to the GNU Pth threads library. */
-
-# pragma weak pth_spawn
-# pragma weak pth_sigmask
-# pragma weak pth_join
-# pragma weak pth_self
-# pragma weak pth_exit
-
-# pragma weak pth_cancel
-# define pth_in_use() (pth_cancel != NULL)
-
-# else
-
-# define pth_in_use() 1
-
-# endif
-/* -------------------------- gl_thread_t datatype -------------------------- */
-
-typedef pth_t gl_thread_t;
-# define glthread_create(THREADP, FUNC, ARG) \
- (pth_in_use () ? ((*(THREADP) = pth_spawn (NULL, FUNC, ARG)) ? 0 : errno) : 0)
-# define glthread_sigmask(HOW, SET, OSET) \
- (pth_in_use () && !pth_sigmask (HOW, SET, OSET) ? errno : 0)
-# define glthread_join(THREAD, RETVALP) \
- (pth_in_use () && !pth_join (THREAD, RETVALP) ? errno : 0)
-# define gl_thread_self() \
- (pth_in_use () ? (void *) pth_self () : 0)
-# define gl_thread_exit(RETVAL) \
- (pth_in_use () ? pth_exit (RETVAL) : 0)
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_SOLARIS_THREADS
-
-/* Use the old Solaris threads library. */
-
-# include <thread.h>
-# include <synch.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-# if USE_SOLARIS_THREADS_WEAK
-
-/* Use weak references to the old Solaris threads library. */
-
-# pragma weak thr_create
-# pragma weak thr_join
-# pragma weak thr_self
-# pragma weak thr_exit
-
-# pragma weak thr_suspend
-# define thread_in_use() (thr_suspend != NULL)
-
-# else
-
-# define thread_in_use() 1
-
-# endif
-
-/* -------------------------- gl_thread_t datatype -------------------------- */
-
-typedef thread_t gl_thread_t;
-# define glthread_create(THREADP, FUNC, ARG) \
- (thread_in_use () ? thr_create (NULL, 0, FUNC, ARG, 0, THREADP) : 0)
-# define glthread_sigmask(HOW, SET, OSET) \
- (thread_in_use () ? sigprocmask (HOW, SET, OSET) : 0)
-# define glthread_join(THREAD, RETVALP) \
- (thread_in_use () ? thr_join (THREAD, NULL, RETVALP) : 0)
-# define gl_thread_self() \
- (thread_in_use () ? (void *) thr_self () : 0)
-# define gl_thread_exit(RETVAL) \
- (thread_in_use () ? thr_exit (RETVAL) : 0)
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if USE_WIN32_THREADS
-
-# include <windows.h>
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/* -------------------------- gl_thread_t datatype -------------------------- */
-
-/* The gl_thread_t is a pointer to a structure in memory.
- Why not the thread handle? If it were the thread handle, it would be hard
- to implement gl_thread_self() (since GetCurrentThread () returns a pseudo-
- handle, DuplicateHandle (GetCurrentThread ()) returns a handle that must be
- closed afterwards, and there is no function for quickly retrieving a thread
- handle from its id).
- Why not the thread id? I tried it. It did not work: Sometimes ids appeared
- that did not belong to running threads, and glthread_join failed with ESRCH.
- */
-typedef struct gl_thread_struct *gl_thread_t;
-# define glthread_create(THREADP, FUNC, ARG) \
- glthread_create_func (THREADP, FUNC, ARG)
-# define glthread_sigmask(HOW, SET, OSET) \
- /* unsupported */ 0
-# define glthread_join(THREAD, RETVALP) \
- glthread_join_func (THREAD, RETVALP)
-# define gl_thread_self() \
- gl_thread_self_func ()
-# define gl_thread_exit(RETVAL) \
- gl_thread_exit_func (RETVAL)
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
-extern int glthread_create_func (gl_thread_t *threadp, void * (*func) (void *), void *arg);
-extern int glthread_join_func (gl_thread_t thread, void **retvalp);
-extern gl_thread_t gl_thread_self_func (void);
-extern int gl_thread_exit_func (void *retval);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
-
-/* Provide dummy implementation if threads are not supported. */
-
-typedef int gl_thread_t;
-# define glthread_create(THREADP, FUNC, ARG) ENOSYS
-# define glthread_sigmask(HOW, SET, OSET) 0
-# define glthread_join(THREAD, RETVALP) 0
-# define gl_thread_self() NULL
-# define gl_thread_exit(RETVAL) 0
-# define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
-
-#endif
-
-/* ========================================================================= */
-
-/* Macros with built-in error handling. */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static inline gl_thread_t
-gl_thread_create (void *(*func) (void *arg), void *arg)
-{
- gl_thread_t thread;
- int ret;
-
- ret = glthread_create (&thread, func, arg);
- if (ret != 0)
- abort ();
- return thread;
-}
-#define gl_thread_sigmask(HOW, SET, OSET) \
- do \
- { \
- if (glthread_sigmask (HOW, SET, OSET)) \
- abort (); \
- } \
- while (0)
-#define gl_thread_join(THREAD, RETVAL) \
- do \
- { \
- if (glthread_join (THREAD, RETVAL)) \
- abort (); \
- } \
- while (0)
-#define gl_thread_atfork(PREPARE, PARENT, CHILD) \
- do \
- { \
- if (glthread_atfork (PREPARE, PARENT, CHILD)) \
- abort (); \
- } \
- while (0)
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _GLTHREAD_THREAD_H */
diff --git a/lib/glthread/threadlib.c b/lib/glthread/threadlib.c
deleted file mode 100644
index 5feb304..0000000
--- a/lib/glthread/threadlib.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Multithreading primitives.
- Copyright (C) 2005-2009 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2005. */
-
-#include <config.h>
-
-/* ========================================================================= */
-
-#if USE_POSIX_THREADS
-
-/* Use the POSIX threads library. */
-
-# include <pthread.h>
-# include <stdlib.h>
-
-# if PTHREAD_IN_USE_DETECTION_HARD
-
-/* The function to be executed by a dummy thread. */
-static void *
-dummy_thread_func (void *arg)
-{
- return arg;
-}
-
-int
-glthread_in_use (void)
-{
- static int tested;
- static int result; /* 1: linked with -lpthread, 0: only with libc */
-
- if (!tested)
- {
- pthread_t thread;
-
- if (pthread_create (&thread, NULL, dummy_thread_func, NULL) != 0)
- /* Thread creation failed. */
- result = 0;
- else
- {
- /* Thread creation works. */
- void *retval;
- if (pthread_join (thread, &retval) != 0)
- abort ();
- result = 1;
- }
- tested = 1;
- }
- return result;
-}
-
-# endif
-
-#endif
-
-/* ========================================================================= */
-
-/* This declaration is solely to ensure that after preprocessing
- this file is never empty. */
-typedef int dummy;
diff --git a/lib/ignore-value.h b/lib/ignore-value.h
deleted file mode 100644
index 5f97c91..0000000
--- a/lib/ignore-value.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* ignore a value to quiet a compiler warning
-
- Copyright (C) 2008 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* Written by Jim Meyering. */
-
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
-# define __attribute__(x)
-# endif
-#endif
-
-/* Use this function to avoid a warning when using a function declared with
- gcc's warn_unused_result attribute, but for which you really do want to
- ignore the result. Traditionally, people have used a "(void)" cast to
- indicate that a function's return value is deliberately unused. However,
- if the function is declared with __attribute__((warn_unused_result)),
- gcc issues a warning even with the cast.
-
- Caution: most of the time, you really should heed gcc's warning, and
- check the return value. However, in those exceptional cases in which
- you're sure you know what you're doing, use this function.
-
- For the record, here's one of the ignorable warnings:
- "copy.c:233: warning: ignoring return value of 'fchown',
- declared with attribute warn_unused_result". */
-
-static inline void
-ignore_value (int i __attribute__ ((__unused__)))
-{
- /* empty */
-}
diff --git a/lib/stdbool.in.h b/lib/stdbool.in.h
deleted file mode 100644
index cffa0ab..0000000
--- a/lib/stdbool.in.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Copyright (C) 2001-2003, 2006-2008 Free Software Foundation, Inc.
- Written by Bruno Haible <haible@clisp.cons.org>, 2001.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef _GL_STDBOOL_H
-#define _GL_STDBOOL_H
-
-/* ISO C 99 <stdbool.h> for platforms that lack it. */
-
-/* Usage suggestions:
-
- Programs that use <stdbool.h> should be aware of some limitations
- and standards compliance issues.
-
- Standards compliance:
-
- - <stdbool.h> must be #included before 'bool', 'false', 'true'
- can be used.
-
- - You cannot assume that sizeof (bool) == 1.
-
- - Programs should not undefine the macros bool, true, and false,
- as C99 lists that as an "obsolescent feature".
-
- Limitations of this substitute, when used in a C89 environment:
-
- - <stdbool.h> must be #included before the '_Bool' type can be used.
-
- - You cannot assume that _Bool is a typedef; it might be a macro.
-
- - Bit-fields of type 'bool' are not supported. Portable code
- should use 'unsigned int foo : 1;' rather than 'bool foo : 1;'.
-
- - In C99, casts and automatic conversions to '_Bool' or 'bool' are
- performed in such a way that every nonzero value gets converted
- to 'true', and zero gets converted to 'false'. This doesn't work
- with this substitute. With this substitute, only the values 0 and 1
- give the expected result when converted to _Bool' or 'bool'.
-
- Also, it is suggested that programs use 'bool' rather than '_Bool';
- this isn't required, but 'bool' is more common. */
-
-
-/* 7.16. Boolean type and values */
-
-/* BeOS <sys/socket.h> already #defines false 0, true 1. We use the same
- definitions below, but temporarily we have to #undef them. */
-#if defined __BEOS__ && !defined __HAIKU__
-# include <OS.h> /* defines bool but not _Bool */
-# undef false
-# undef true
-#endif
-
-/* For the sake of symbolic names in gdb, we define true and false as
- enum constants, not only as macros.
- It is tempting to write
- typedef enum { false = 0, true = 1 } _Bool;
- so that gdb prints values of type 'bool' symbolically. But if we do
- this, values of type '_Bool' may promote to 'int' or 'unsigned int'
- (see ISO C 99 6.7.2.2.(4)); however, '_Bool' must promote to 'int'
- (see ISO C 99 6.3.1.1.(2)). So we add a negative value to the
- enum; this ensures that '_Bool' promotes to 'int'. */
-#if defined __cplusplus || (defined __BEOS__ && !defined __HAIKU__)
- /* A compiler known to have 'bool'. */
- /* If the compiler already has both 'bool' and '_Bool', we can assume they
- are the same types. */
-# if !@HAVE__BOOL@
-typedef bool _Bool;
-# endif
-#else
-# if !defined __GNUC__
- /* If @HAVE__BOOL@:
- Some HP-UX cc and AIX IBM C compiler versions have compiler bugs when
- the built-in _Bool type is used. See
- http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
- http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
- http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
- Similar bugs are likely with other compilers as well; this file
- wouldn't be used if <stdbool.h> was working.
- So we override the _Bool type.
- If !@HAVE__BOOL@:
- Need to define _Bool ourselves. As 'signed char' or as an enum type?
- Use of a typedef, with SunPRO C, leads to a stupid
- "warning: _Bool is a keyword in ISO C99".
- Use of an enum type, with IRIX cc, leads to a stupid
- "warning(1185): enumerated type mixed with another type".
- Even the existence of an enum type, without a typedef,
- "Invalid enumerator. (badenum)" with HP-UX cc on Tru64.
- The only benefit of the enum, debuggability, is not important
- with these compilers. So use 'signed char' and no enum. */
-# define _Bool signed char
-# else
- /* With this compiler, trust the _Bool type if the compiler has it. */
-# if !@HAVE__BOOL@
-typedef enum { _Bool_must_promote_to_int = -1, false = 0, true = 1 } _Bool;
-# endif
-# endif
-#endif
-#define bool _Bool
-
-/* The other macros must be usable in preprocessor directives. */
-#define false 0
-#define true 1
-#define __bool_true_false_are_defined 1
-
-#endif /* _GL_STDBOOL_H */
diff --git a/lib/sys_time.in.h b/lib/sys_time.in.h
deleted file mode 100644
index 454078f..0000000
--- a/lib/sys_time.in.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* Provide a more complete sys/time.h.
-
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Paul Eggert. */
-
-#if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-#endif
-
-#if defined _GL_SYS_TIME_H
-
-/* Simply delegate to the system's header, without adding anything. */
-# if @HAVE_SYS_TIME_H@
-# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
-# endif
-
-#else
-
-# define _GL_SYS_TIME_H
-
-# if @HAVE_SYS_TIME_H@
-# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
-# else
-# include <time.h>
-# endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-# if ! @HAVE_STRUCT_TIMEVAL@
-struct timeval
-{
- time_t tv_sec;
- long int tv_usec;
-};
-# endif
-
-# if @REPLACE_GETTIMEOFDAY@
-# undef gettimeofday
-# define gettimeofday rpl_gettimeofday
-int gettimeofday (struct timeval *restrict, void *restrict);
-# endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _GL_SYS_TIME_H */
diff --git a/lib/time.in.h b/lib/time.in.h
deleted file mode 100644
index dec37e8..0000000
--- a/lib/time.in.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/* A more-standard <time.h>.
-
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-#endif
-
-/* Don't get in the way of glibc when it includes time.h merely to
- declare a few standard symbols, rather than to declare all the
- symbols. Also, Solaris 8 <time.h> eventually includes itself
- recursively; if that is happening, just include the system <time.h>
- without adding our own declarations. */
-#if (defined __need_time_t || defined __need_clock_t \
- || defined __need_timespec \
- || defined _GL_TIME_H)
-
-# @INCLUDE_NEXT@ @NEXT_TIME_H@
-
-#else
-
-# define _GL_TIME_H
-
-# @INCLUDE_NEXT@ @NEXT_TIME_H@
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3).
- Or they define it with the wrong member names or define it in <sys/time.h>
- (e.g., FreeBSD circa 1997). */
-# if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@
-# if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@
-# include <sys/time.h>
-# else
-# undef timespec
-# define timespec rpl_timespec
-struct timespec
-{
- time_t tv_sec;
- long int tv_nsec;
-};
-# endif
-# endif
-
-/* Sleep for at least RQTP seconds unless interrupted, If interrupted,
- return -1 and store the remaining time into RMTP. See
- <http://www.opengroup.org/susv3xsh/nanosleep.html>. */
-# if @REPLACE_NANOSLEEP@
-# define nanosleep rpl_nanosleep
-int nanosleep (struct timespec const *__rqtp, struct timespec *__rmtp);
-# endif
-
-/* Convert TIMER to RESULT, assuming local time and UTC respectively. See
- <http://www.opengroup.org/susv3xsh/localtime_r.html> and
- <http://www.opengroup.org/susv3xsh/gmtime_r.html>. */
-# if @REPLACE_LOCALTIME_R@
-# undef localtime_r
-# define localtime_r rpl_localtime_r
-# undef gmtime_r
-# define gmtime_r rpl_gmtime_r
-struct tm *localtime_r (time_t const *restrict __timer,
- struct tm *restrict __result);
-struct tm *gmtime_r (time_t const *restrict __timer,
- struct tm *restrict __result);
-# endif
-
-/* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store
- the resulting broken-down time into TM. See
- <http://www.opengroup.org/susv3xsh/strptime.html>. */
-# if @REPLACE_STRPTIME@
-# undef strptime
-# define strptime rpl_strptime
-char *strptime (char const *restrict __buf, char const *restrict __format,
- struct tm *restrict __tm);
-# endif
-
-/* Convert TM to a time_t value, assuming UTC. */
-# if @REPLACE_TIMEGM@
-# undef timegm
-# define timegm rpl_timegm
-time_t timegm (struct tm *__tm);
-# endif
-
-/* Encourage applications to avoid unsafe functions that can overrun
- buffers when given outlandish struct tm values. Portable
- applications should use strftime (or even sprintf) instead. */
-# if GNULIB_PORTCHECK
-# undef asctime
-# define asctime eschew_asctime
-# undef asctime_r
-# define asctime_r eschew_asctime_r
-# undef ctime
-# define ctime eschew_ctime
-# undef ctime_r
-# define ctime_r eschew_ctime_r
-# endif
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 17:59:53 +0200