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author | John Crispin <blogic@openwrt.org> | 2013-11-14 13:41:13 +0100 |
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committer | John Crispin <blogic@openwrt.org> | 2013-11-15 17:05:20 +0100 |
commit | 916f95cb58604038695347ee41a430d8ca1f0556 (patch) | |
tree | 5dbb52a6adaf28c6c6989ea37e6975aa52075160 /early.c | |
parent | f9d31edb8938341b9217ee4c14eb58111414eb97 (diff) | |
download | unitd-916f95cb58604038695347ee41a430d8ca1f0556.tar unitd-916f95cb58604038695347ee41a430d8ca1f0556.zip |
debloat and reorganize code
split app into procd and init binaries
remove log support, this is an external service now
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'early.c')
-rw-r--r-- | early.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/early.c b/early.c deleted file mode 100644 index 7da1e4b..0000000 --- a/early.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013 John Crispin <blogic@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 - * as published by the Free Software Foundation - * - * 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. - */ - -#include <sys/mount.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include <stdio.h> -#include <fcntl.h> -#include <unistd.h> - -#include "procd.h" - -static void early_mounts(void) -{ - mount("proc", "/proc", "proc", MS_NOATIME, 0); - mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0); - - mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, NULL); - mkdir("/tmp/run", 0777); - mkdir("/tmp/lock", 0777); - mkdir("/tmp/state", 0777); - symlink("/tmp", "/var"); - - mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K"); - mkdir("/dev/shm", 0755); - mkdir("/dev/pts", 0755); - mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600"); -} - -static void early_dev(void) -{ - mkdev("*", 0600); - mknod("/dev/null", 0666, makedev(1, 3)); -} - -static void early_console(const char *dev) -{ - struct stat s; - int dd; - - if (stat(dev, &s)) { - ERROR("Failed to stat %s\n", dev); - return; - } - - dd = open(dev, O_RDWR); - if (dd < 0) - dd = open("/dev/null", O_RDWR); - - dup2(dd, STDIN_FILENO); - dup2(dd, STDOUT_FILENO); - dup2(dd, STDERR_FILENO); - - if (dd != STDIN_FILENO && - dd != STDOUT_FILENO && - dd != STDERR_FILENO) - close(dd); -} - -static void early_env(void) -{ - setenv("PATH", "/bin:/sbin:/usr/bin:/usr/sbin", 1); -} - -void procd_early(void) -{ - if (getpid() != 1) - return; - - early_mounts(); - early_dev(); - early_env(); - early_console("/dev/console"); - - LOG("Console is alive\n"); -} |