2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
16 #include <sys/types.h>
18 #include <sys/reboot.h>
20 #include <libubox/uloop.h>
32 #include "../watchdog.h"
34 unsigned int debug = 0;
37 signal_shutdown(int signal, siginfo_t *siginfo, void *data)
39 fprintf(stderr, "reboot\n");
48 static struct sigaction sa_shutdown = {
49 .sa_sigaction = signal_shutdown,
50 .sa_flags = SA_SIGINFO
57 int r, fd = open("/proc/cmdline", O_RDONLY);
59 regmatch_t matches[2];
64 r = read(fd, line, sizeof(line) - 1);
68 regcomp(&pat_cmdline, "init_debug=([0-9]+)", REG_EXTENDED);
69 if (!regexec(&pat_cmdline, line, 2, matches, 0)) {
70 line[matches[1].rm_eo] = '\0';
71 debug = atoi(&line[matches[1].rm_so]);
73 regfree(&pat_cmdline);
77 main(int argc, char **argv)
81 sigaction(SIGTERM, &sa_shutdown, NULL);
82 sigaction(SIGUSR1, &sa_shutdown, NULL);
83 sigaction(SIGUSR2, &sa_shutdown, NULL);
91 char *kmod[] = { "/sbin/kmodloader", "/etc/modules-boot.d/", NULL };
94 int fd = open("/dev/null", O_RDWR);
97 dup2(fd, STDIN_FILENO);
98 dup2(fd, STDOUT_FILENO);
99 dup2(fd, STDERR_FILENO);
100 if (fd > STDERR_FILENO)
104 execvp(kmod[0], kmod);
105 ERROR("Failed to start kmodloader\n");
109 ERROR("Failed to start kmodloader instance\n");
111 waitpid(pid, NULL, 0);