rt/tst-timer3.c

   1 /* Test for bogus per-thread deletion of timers.  */
   2
   3 #include <stdio.h>
   4 #include <error.h>
   5 #include <time.h>
   6 #include <signal.h>
   7 #include <stdint.h>
   8 #include <string.h>
   9 #include <sys/time.h>
  10 #include <sys/resource.h>
  11 #include <unistd.h>
  12 #if _POSIX_THREADS
  13 # include <pthread.h>
  14
  15
  16 /* Creating timers in another thread should work too.  */
  17 static void *
  18 do_timer_create (void *arg)
  19 {
  20   struct sigevent *const sigev = arg;
  21   timer_t *const timerId = sigev->sigev_value.sival_ptr;
  22   if (timer_create (CLOCK_REALTIME, sigev, timerId) < 0)
  23     {
  24       printf ("timer_create: %m\n");
  25       return NULL;
  26     }
  27   return timerId;
  28 }
  29
  30
  31 static int
  32 do_test (void)
  33 {
  34   int i, res;
  35   timer_t timerId;
  36   struct itimerspec itval;
  37   struct sigevent sigev;
  38
  39   itval.it_interval.tv_sec = 2;
  40   itval.it_interval.tv_nsec = 0;
  41   itval.it_value.tv_sec = 2;
  42   itval.it_value.tv_nsec = 0;
  43
  44   sigev.sigev_notify = SIGEV_SIGNAL;
  45   sigev.sigev_signo = SIGALRM;
  46   sigev.sigev_value.sival_ptr = (void *) &timerId;
  47
  48   for (i = 0; i < 100; i++)
  49     {
  50       printf ("cnt = %d\n", i);
  51
  52       pthread_t thr;
  53       res = pthread_create (&thr, NULL, &do_timer_create, &sigev);
  54       if (res)
  55         {
  56           printf ("pthread_create: %s\n", strerror (res));
  57           continue;
  58         }
  59       void *val;
  60       res = pthread_join (thr, &val);
  61       if (res)
  62         {
  63           printf ("pthread_join: %s\n", strerror (res));
  64           continue;
  65         }
  66       if (val == NULL)
  67         continue;
  68
  69       res = timer_settime (timerId, 0, &itval, NULL);
  70       if (res < 0)
  71         printf ("timer_settime: %m\n");
  72
  73       res = timer_delete (timerId);
  74       if (res < 0)
  75         printf ("timer_delete: %m\n");
  76     }
  77
  78   return 0;
  79 }
  80
  81 # define TEST_FUNCTION do_test ()
  82 #else
  83 # define TEST_FUNCTION 0
  84 #endif
  85
  86 #include "../test-skeleton.c"