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debugging/03_day/check-0.10.0/lib/timer_delete.c
2015-12-13 22:34:58 +09:00

33 lines
746 B
C

#include "libcompat.h"
int timer_delete(timer_t timerid CK_ATTRIBUTE_UNUSED)
{
#ifdef HAVE_SETITIMER
/*
* If the system does not have timer_settime() but does have
* setitimer() use that instead of alarm().
*/
struct itimerval interval;
/*
* Setting values to '0' results in disabling the running timer.
*/
interval.it_value.tv_sec = 0;
interval.it_value.tv_usec = 0;
interval.it_interval.tv_sec = 0;
interval.it_interval.tv_usec = 0;
return setitimer(ITIMER_REAL, &interval, NULL);
#else
/*
* There is only one timer, that used by alarm.
* Setting alarm(0) will not set a new alarm, and
* will kill the previous timer.
*/
alarm(0);
return 0;
#endif
}