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| author | ru <ru@FreeBSD.org> | 1999-06-16 20:01:19 +0000 |
|---|---|---|
| committer | ru <ru@FreeBSD.org> | 1999-06-16 20:01:19 +0000 |
| commit | f97d9ce3bba5641b2664f8b6294c4f1a94ebafe9 (patch) | |
| tree | ee4859900ac1dd788636f9f193c5c196e7648930 /sbin/init/init.c | |
| parent | a427e410f252fd837455954e644f85ba6e8bdd52 (diff) | |
| download | FreeBSD-src-f97d9ce3bba5641b2664f8b6294c4f1a94ebafe9.zip FreeBSD-src-f97d9ce3bba5641b2664f8b6294c4f1a94ebafe9.tar.gz | |
Init(8) will halt the system if sent USR1 signal,
or halt and turn the power off if sent SIGUSR2.
PR: 5451
Submitted by: Leif Neland <leifn@image.dk>
Reworked by: ru
Reviewed by: -hackers
Diffstat (limited to 'sbin/init/init.c')
| -rw-r--r-- | sbin/init/init.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sbin/init/init.c b/sbin/init/init.c index 6ed059f..f1cacd8 100644 --- a/sbin/init/init.c +++ b/sbin/init/init.c @@ -45,7 +45,7 @@ static const char copyright[] = static char sccsid[] = "@(#)init.c 8.1 (Berkeley) 7/15/93"; #endif static const char rcsid[] = - "$Id: init.c,v 1.30 1998/07/06 06:56:08 charnier Exp $"; + "$Id: init.c,v 1.31 1998/07/22 05:45:11 phk Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -132,6 +132,7 @@ enum { AUTOBOOT, FASTBOOT } runcom_mode = AUTOBOOT; #define TRUE 1 int Reboot = FALSE; +int howto = RB_AUTOBOOT; int devfs; @@ -259,11 +260,13 @@ main(argc, argv) handle(badsys, SIGSYS, 0); handle(disaster, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGXCPU, SIGXFSZ, 0); - handle(transition_handler, SIGHUP, SIGINT, SIGTERM, SIGTSTP, 0); + handle(transition_handler, SIGHUP, SIGINT, SIGTERM, SIGTSTP, + SIGUSR1, SIGUSR2, 0); handle(alrm_handler, SIGALRM, 0); sigfillset(&mask); delset(&mask, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGSYS, - SIGXCPU, SIGXFSZ, SIGHUP, SIGINT, SIGTERM, SIGTSTP, SIGALRM, 0); + SIGXCPU, SIGXFSZ, SIGHUP, SIGINT, SIGTERM, SIGTSTP, SIGALRM, + SIGUSR1, SIGUSR2, 0); sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0); sigemptyset(&sa.sa_mask); sa.sa_flags = 0; @@ -594,11 +597,11 @@ single_user() setsecuritylevel(0); if (Reboot) { - /* Instead of going single user, let's halt the machine */ + /* Instead of going single user, let's reboot the machine */ sync(); alarm(2); pause(); - reboot(RB_AUTOBOOT); + reboot(howto); _exit(0); } @@ -1238,6 +1241,10 @@ transition_handler(sig) case SIGHUP: requested_transition = clean_ttys; break; + case SIGUSR2: + howto = RB_POWEROFF; + case SIGUSR1: + howto |= RB_HALT; case SIGINT: Reboot = TRUE; case SIGTERM: |
