summaryrefslogtreecommitdiffstats
path: root/m4/lock.m4
diff options
context:
space:
mode:
authorMatthias Schiffer <matthias@gamezock.de>2009-04-28 22:36:59 +0200
committerMatthias Schiffer <matthias@gamezock.de>2009-04-28 22:36:59 +0200
commit539d7e2cfbc8fef2837c47312107a8314108158b (patch)
tree0675c479bfd39c836e1784961ad9d1943abaf464 /m4/lock.m4
parent71dc41a9b7b0e939314a886383daa6fb2e297a55 (diff)
downloadmad-539d7e2cfbc8fef2837c47312107a8314108158b.tar
mad-539d7e2cfbc8fef2837c47312107a8314108158b.zip
ThreadManager angefangen; Logger laeuft jetzt in eigenem Thread
Diffstat (limited to 'm4/lock.m4')
-rw-r--r--m4/lock.m437
1 files changed, 37 insertions, 0 deletions
diff --git a/m4/lock.m4 b/m4/lock.m4
new file mode 100644
index 0000000..b416e31
--- /dev/null
+++ b/m4/lock.m4
@@ -0,0 +1,37 @@
+# lock.m4 serial 10 (gettext-0.18)
+dnl Copyright (C) 2005-2009 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gl_LOCK],
+[
+ AC_REQUIRE([gl_THREADLIB])
+ if test "$gl_threads_api" = posix; then
+ # OSF/1 4.0 and MacOS X 10.1 lack the pthread_rwlock_t type and the
+ # pthread_rwlock_* functions.
+ AC_CHECK_TYPE([pthread_rwlock_t],
+ [AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1],
+ [Define if the POSIX multithreading library has read/write locks.])],
+ [],
+ [#include <pthread.h>])
+ # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro.
+ AC_TRY_COMPILE([#include <pthread.h>],
+ [#if __FreeBSD__ == 4
+error "No, in FreeBSD 4.0 recursive mutexes actually don't work."
+#else
+int x = (int)PTHREAD_MUTEX_RECURSIVE;
+return !x;
+#endif],
+ [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1],
+ [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])])
+ fi
+ gl_PREREQ_LOCK
+])
+
+# Prerequisites of lib/lock.c.
+AC_DEFUN([gl_PREREQ_LOCK], [
+ AC_REQUIRE([AC_C_INLINE])
+])