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sys/kern/kern_shutdown.c
| Show First 20 Lines • Show All 257 Lines • ▼ Show 20 Lines | |||||
| shutdown_nice(int howto) | shutdown_nice(int howto) | ||||
| { | { | ||||
| if (initproc != NULL) { | if (initproc != NULL) { | ||||
| /* Send a signal to init(8) and have it shutdown the world. */ | /* Send a signal to init(8) and have it shutdown the world. */ | ||||
| PROC_LOCK(initproc); | PROC_LOCK(initproc); | ||||
| if (howto & RB_POWEROFF) | if (howto & RB_POWEROFF) | ||||
| kern_psignal(initproc, SIGUSR2); | kern_psignal(initproc, SIGUSR2); | ||||
| else if (howto & RB_POWERCYCLE) | |||||
| kern_psignal(initproc, SIGUWINCH); | |||||
jtl: SIGWINCH? | |||||
| else if (howto & RB_HALT) | else if (howto & RB_HALT) | ||||
| kern_psignal(initproc, SIGUSR1); | kern_psignal(initproc, SIGUSR1); | ||||
| else | else | ||||
| kern_psignal(initproc, SIGINT); | kern_psignal(initproc, SIGINT); | ||||
| PROC_UNLOCK(initproc); | PROC_UNLOCK(initproc); | ||||
| } else { | } else { | ||||
| /* No init(8) running, so simply reboot. */ | /* No init(8) running, so simply reboot. */ | ||||
| kern_reboot(howto | RB_NOSYNC); | kern_reboot(howto | RB_NOSYNC); | ||||
| ▲ Show 20 Lines • Show All 518 Lines • ▼ Show 20 Lines | |||||
| SYSCTL_INT(_kern_shutdown, OID_AUTO, poweroff_delay, CTLFLAG_RW, | SYSCTL_INT(_kern_shutdown, OID_AUTO, poweroff_delay, CTLFLAG_RW, | ||||
| &poweroff_delay, 0, "Delay before poweroff to write disk caches (msec)"); | &poweroff_delay, 0, "Delay before poweroff to write disk caches (msec)"); | ||||
| static void | static void | ||||
| poweroff_wait(void *junk, int howto) | poweroff_wait(void *junk, int howto) | ||||
| { | { | ||||
| if (!(howto & RB_POWEROFF) || poweroff_delay <= 0) | if ((howto & (RB_POWEROFF | RB_POWERCYCLE)) == 0 || poweroff_delay <= 0) | ||||
| return; | return; | ||||
| DELAY(poweroff_delay * 1000); | DELAY(poweroff_delay * 1000); | ||||
| } | } | ||||
| /* | /* | ||||
| * Some system processes (e.g. syncer) need to be stopped at appropriate | * Some system processes (e.g. syncer) need to be stopped at appropriate | ||||
| * points in their main loops prior to a system shutdown, so that they | * points in their main loops prior to a system shutdown, so that they | ||||
| * won't interfere with the shutdown process (e.g. by holding a disk buf | * won't interfere with the shutdown process (e.g. by holding a disk buf | ||||
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SIGWINCH?