From 3ff99010e61a0299257ffc91467a16d278a7e774 Mon Sep 17 00:00:00 2001 From: Michel Stam Date: Mon, 13 Oct 2014 16:14:36 +0200 Subject: [PATCH 1/1] Fix ctrl+alt+del support The previous patch did not catch SIGINT, which is used by the kernel to indicate to the init process that the system should reboot. Signed-off-by: Michel Stam --- procd.c | 3 --- signal.c | 2 ++ state.c | 2 ++ 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/procd.c b/procd.c index f5640c3..8dcd924 100644 --- a/procd.c +++ b/procd.c @@ -72,8 +72,5 @@ int main(int argc, char **argv) uloop_run(); uloop_done(); - if (getpid() == 1) - procd_shutdown(RB_AUTOBOOT); - return 0; } diff --git a/signal.c b/signal.c index 12eedc8..16824f7 100644 --- a/signal.c +++ b/signal.c @@ -36,6 +36,7 @@ static void signal_shutdown(int signal, siginfo_t *siginfo, void *data) char *msg = NULL; switch(signal) { + case SIGINT: case SIGTERM: event = RB_AUTOBOOT; msg = "reboot"; @@ -84,6 +85,7 @@ void procd_signal(void) if (getpid() != 1) return; sigaction(SIGTERM, &sa_shutdown, NULL); + sigaction(SIGINT, &sa_shutdown, NULL); sigaction(SIGUSR1, &sa_shutdown, NULL); sigaction(SIGUSR2, &sa_shutdown, NULL); sigaction(SIGSEGV, &sa_crash, NULL); diff --git a/state.c b/state.c index 7f0ec50..0896e1a 100644 --- a/state.c +++ b/state.c @@ -131,6 +131,8 @@ static void state_enter(void) break; case STATE_HALT: + // To prevent killed processes from interrupting the sleep + signal(SIGCHLD, SIG_IGN); LOG("- SIGTERM processes -\n"); kill(-1, SIGTERM); sync(); -- 2.11.0