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)
35 static void signal_shutdown(int signal, siginfo_t *siginfo, void *data)
55 DEBUG(1, "Triggering %s\n", msg);
57 procd_shutdown(event);
60 struct sigaction sa_shutdown = {
61 .sa_sigaction = signal_shutdown,
62 .sa_flags = SA_SIGINFO
65 static void signal_crash(int signal, siginfo_t *siginfo, void *data)
67 ERROR("Rebooting as procd has crashed\n");
71 struct sigaction sa_crash = {
72 .sa_sigaction = signal_crash,
73 .sa_flags = SA_SIGINFO
76 static void signal_dummy(int signal, siginfo_t *siginfo, void *data)
78 ERROR("Got unexpected signal %d\n", signal);
81 struct sigaction sa_dummy = {
82 .sa_sigaction = signal_dummy,
83 .sa_flags = SA_SIGINFO
86 void procd_signal(void)
88 signal(SIGPIPE, SIG_IGN);
91 sigaction(SIGTERM, &sa_shutdown, NULL);
92 sigaction(SIGUSR1, &sa_shutdown, NULL);
93 sigaction(SIGUSR2, &sa_shutdown, NULL);
94 sigaction(SIGSEGV, &sa_crash, NULL);
95 sigaction(SIGBUS, &sa_crash, NULL);
96 sigaction(SIGHUP, &sa_dummy, NULL);
97 sigaction(SIGKILL, &sa_dummy, NULL);
98 sigaction(SIGSTOP, &sa_dummy, NULL);
101 void procd_signal_preinit(void)
104 sigaction(SIGTERM, &sa_shutdown, NULL);
105 sigaction(SIGUSR1, &sa_shutdown, NULL);
106 sigaction(SIGUSR2, &sa_shutdown, NULL);