rt/tst-timer2.c

   1 /* Test for crashing bugs when trying to create too many timers.  */
   2
   3 #include <stdio.h>
   4 #include <time.h>
   5 #include <signal.h>
   6 #include <sys/time.h>
   7 #include <sys/resource.h>
   8 #include <unistd.h>
   9
  10 #if _POSIX_THREADS
  11 # include <pthread.h>
  12
  13 void
  14 thread (union sigval arg)
  15 {
  16   puts ("Timeout");
  17 }
  18
  19 int
  20 do_test (void)
  21 {
  22   int i, res;
  23   timer_t timerId;
  24   struct itimerspec itval;
  25   struct sigevent sigev;
  26
  27   itval.it_interval.tv_sec = 2;
  28   itval.it_interval.tv_nsec = 0;
  29   itval.it_value.tv_sec = 2;
  30   itval.it_value.tv_nsec = 0;
  31
  32   sigev.sigev_notify = SIGEV_THREAD;
  33   sigev.sigev_notify_function = thread;
  34   sigev.sigev_notify_attributes = NULL;
  35   sigev.sigev_value.sival_ptr = (void *) &timerId;
  36
  37   for (i = 0; i < 100; i++)
  38     {
  39       printf ("cnt = %d\n", i);
  40
  41       if (timer_create (CLOCK_REALTIME, &sigev, &timerId) < 0)
  42         {
  43           perror ("timer_create");
  44           continue;
  45         }
  46
  47       res = timer_settime (timerId, 0, &itval, NULL);
  48       if (res < 0)
  49         perror ("timer_settime");
  50
  51       res = timer_delete (timerId);
  52       if (res < 0)
  53         perror ("timer_delete");
  54     }
  55
  56   return 0;
  57 }
  58
  59 # define TEST_FUNCTION do_test ()
  60 #else
  61 # define TEST_FUNCTION 0
  62 #endif
  63
  64 #include "../test-skeleton.c"