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.
15 #include <sys/reboot.h>
16 #include <sys/types.h>
24 static void do_reboot(void)
34 static void signal_shutdown(int signal, siginfo_t *siginfo, void *data)
54 DEBUG(1, "Triggering %s\n", msg);
56 procd_shutdown(event);
59 struct sigaction sa_shutdown = {
60 .sa_sigaction = signal_shutdown,
61 .sa_flags = SA_SIGINFO
64 static void signal_crash(int signal, siginfo_t *siginfo, void *data)
66 ERROR("Rebooting as procd has crashed\n");
70 struct sigaction sa_crash = {
71 .sa_sigaction = signal_crash,
72 .sa_flags = SA_SIGINFO
75 static void signal_dummy(int signal, siginfo_t *siginfo, void *data)
77 ERROR("Got unexpected signal %d\n", signal);
80 struct sigaction sa_dummy = {
81 .sa_sigaction = signal_dummy,
82 .sa_flags = SA_SIGINFO
85 void procd_signal(void)
87 signal(SIGPIPE, SIG_IGN);
90 sigaction(SIGTERM, &sa_shutdown, NULL);
91 sigaction(SIGUSR1, &sa_shutdown, NULL);
92 sigaction(SIGUSR2, &sa_shutdown, NULL);
93 sigaction(SIGSEGV, &sa_crash, NULL);
94 sigaction(SIGBUS, &sa_crash, NULL);
95 sigaction(SIGHUP, &sa_dummy, NULL);
96 sigaction(SIGKILL, &sa_dummy, NULL);
97 sigaction(SIGSTOP, &sa_dummy, NULL);
100 void procd_signal_preinit(void)
103 sigaction(SIGTERM, &sa_shutdown, NULL);
104 sigaction(SIGUSR1, &sa_shutdown, NULL);
105 sigaction(SIGUSR2, &sa_shutdown, NULL);