Differential D13042 Diff 35079 sys/kern/kern_shutdown.c

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sys/kern/kern_shutdown.c

Show First 20 Lines • Show All 128 Lines • ▼ Show 20 Lines	SYSCTL_INT(_debug, OID_AUTO, trace_on_panic,
CTLFLAG_RWTUN \| CTLFLAG_SECURE,		CTLFLAG_RWTUN \| CTLFLAG_SECURE,
&trace_on_panic, 0, "Print stack trace on kernel panic");		&trace_on_panic, 0, "Print stack trace on kernel panic");
#endif /* KDB */		#endif /* KDB */

static int sync_on_panic = 0;		static int sync_on_panic = 0;
SYSCTL_INT(_kern, OID_AUTO, sync_on_panic, CTLFLAG_RWTUN,		SYSCTL_INT(_kern, OID_AUTO, sync_on_panic, CTLFLAG_RWTUN,
&sync_on_panic, 0, "Do a sync before rebooting from a panic");		&sync_on_panic, 0, "Do a sync before rebooting from a panic");

		static int poweroff_on_panic = 0;
		SYSCTL_INT(_kern, OID_AUTO, poweroff_on_panic, CTLFLAG_RWTUN,
		cemUnsubmitted Not Done Inline Actions we have SYSCTL_BOOL now, might as well use it. cem: we have SYSCTL_BOOL now, might as well use it.
		impAuthorUnsubmitted Not Done Inline Actions Sure. With appropriate changes to the types. imp: Sure. With appropriate changes to the types.
		&poweroff_on_panic, 0, "Do a power off instead of a reboot on a panic");

		static int powercycle_on_panic = 0;
		SYSCTL_INT(_kern, OID_AUTO, powercycle_on_panic, CTLFLAG_RWTUN,
		&powercycle_on_panic, 0, "Do a power cycle instead of a reboot on a panic");

static SYSCTL_NODE(_kern, OID_AUTO, shutdown, CTLFLAG_RW, 0,		static SYSCTL_NODE(_kern, OID_AUTO, shutdown, CTLFLAG_RW, 0,
"Shutdown environment");		"Shutdown environment");

#ifndef DIAGNOSTIC		#ifndef DIAGNOSTIC
static int show_busybufs;		static int show_busybufs;
#else		#else
static int show_busybufs = 1;		static int show_busybufs = 1;
#endif		#endif
▲ Show 20 Lines • Show All 647 Lines • ▼ Show 20 Lines	#ifdef KDB
if (debugger_on_panic)		if (debugger_on_panic)
kdb_enter(KDB_WHY_PANIC, "panic");		kdb_enter(KDB_WHY_PANIC, "panic");
#endif		#endif
/thread_lock(td); /		/thread_lock(td); /
td->td_flags \|= TDF_INPANIC;		td->td_flags \|= TDF_INPANIC;
/* thread_unlock(td); */		/* thread_unlock(td); */
if (!sync_on_panic)		if (!sync_on_panic)
bootopt \|= RB_NOSYNC;		bootopt \|= RB_NOSYNC;
		if (poweroff_on_panic)
		bootopt \|= RB_POWEROFF;
		if (powercycle_on_panic)
		bootopt \|= RB_POWERCYCLE;
kern_reboot(bootopt);		kern_reboot(bootopt);
}		}

/*		/*
* Support for poweroff delay.		* Support for poweroff delay.
*		*
* Please note that setting this delay too short might power off your machine		* Please note that setting this delay too short might power off your machine
* before the write cache on your hard disk has been flushed, leading to		* before the write cache on your hard disk has been flushed, leading to
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