PANIC(9) BSD Kernel Developer's Manual PANIC(9)NAME
panic -- bring down system on fatal error
SYNOPSIS
#include <sys/types.h>
#include <sys/systm.h>
void
panic(const char *fmt, ...);
DESCRIPTION
The panic() function terminates the running system. The message fmt is a printf(3) style format string. The message is printed to the con-
sole and the location panicstr is set to the address of the message text for retrieval from the OS core dump.
If the kernel debugger is installed control is passed to it, otherwise an attempt to save a core dump of the OS to a configured dump device
is made.
If panic() is called twice (from the disk sync routines, for example) the system is rebooted without syncing the disks.
RETURN VALUES
The panic() function does not return.
BSD August 11, 1995 BSD
Check Out this Related Man Page
ddi_in_panic(9F) Kernel Functions for Drivers ddi_in_panic(9F)NAME
ddi_in_panic - determine if system is in panic state
SYNOPSIS
#include <sys/ddi.h>
#include <sys/sunddi.h>
int ddi_in_panic(void);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
DESCRIPTION
Drivers controlling devices on which the system may write a kernel crash dump in the event of a panic can call ddi_in_panic() to determine
if the system is panicking.
When the system is panicking, the calls of functions scheduled by timeout(9F) and ddi_trigger_softintr(9F) will never occur. Neither can
delay(9F) be relied upon, since it is implemented via timeout(9F).
Drivers that need to enforce a time delay such as SCSI bus reset delay time must busy-wait when the system is panicking.
RETURN VALUES
ddi_in_panic() returns 1 if the system is in panic, or 0 otherwise.
CONTEXT
ddi_in_panic() may be called from any context.
SEE ALSO dump(9E), delay(9F), ddi_trigger_softintr(9F), timeout(9F)
Writing Device Drivers
SunOS 5.10 23 Jun 1997 ddi_in_panic(9F)
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