glibc/rt/tst-timer2.c

66 lines
1.2 KiB
C

/* Test for crashing bugs when trying to create too many timers. */
#include <stdio.h>
#include <time.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#if _POSIX_THREADS
# include <pthread.h>
void
thread (union sigval arg)
{
puts ("Timeout");
}
int
do_test (void)
{
int i, res;
timer_t timerId;
struct itimerspec itval;
struct sigevent sigev;
itval.it_interval.tv_sec = 2;
itval.it_interval.tv_nsec = 0;
itval.it_value.tv_sec = 2;
itval.it_value.tv_nsec = 0;
sigev.sigev_notify = SIGEV_THREAD;
sigev.sigev_signo = SIGRTMIN;
sigev.sigev_notify_function = thread;
sigev.sigev_notify_attributes = 0;
sigev.sigev_value.sival_ptr = (void *) &timerId;
for (i = 0; i < 100; i++)
{
printf ("cnt = %d\n", i);
if (timer_create (CLOCK_REALTIME, &sigev, &timerId) < 0)
{
perror ("timer_create");
continue;
}
res = timer_settime (timerId, 0, &itval, NULL);
if (res < 0)
perror ("timer_settime");
res = timer_delete (timerId);
if (res < 0)
perror ("timer_delete");
}
return 0;
}
# define TEST_FUNCTION do_test ()
#else
# define TEST_FUNCTION 0
#endif
#include "../test-skeleton.c"