Blame rt/tst-timer3.c

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/* Test for bogus per-thread deletion of timers.  */
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#include <stdio.h>
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#include <error.h>
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#include <time.h>
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#include <signal.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#if _POSIX_THREADS
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# include <pthread.h>
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/* Creating timers in another thread should work too.  */
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static void *
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do_timer_create (void *arg)
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{
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  struct sigevent *const sigev = arg;
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  timer_t *const timerId = sigev->sigev_value.sival_ptr;
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  if (timer_create (CLOCK_REALTIME, sigev, timerId) < 0)
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    {
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      printf ("timer_create: %m\n");
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      return NULL;
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    }
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  return timerId;
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}
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static int
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do_test (void)
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{
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  int i, res;
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  timer_t timerId;
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  struct itimerspec itval;
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  struct sigevent sigev;
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  itval.it_interval.tv_sec = 2;
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  itval.it_interval.tv_nsec = 0;
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  itval.it_value.tv_sec = 2;
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  itval.it_value.tv_nsec = 0;
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  sigev.sigev_notify = SIGEV_SIGNAL;
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  sigev.sigev_signo = SIGALRM;
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  sigev.sigev_value.sival_ptr = (void *) &timerId;
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  for (i = 0; i < 100; i++)
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    {
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      printf ("cnt = %d\n", i);
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      pthread_t thr;
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      res = pthread_create (&thr, NULL, &do_timer_create, &sigev);
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      if (res)
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	{
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	  printf ("pthread_create: %s\n", strerror (res));
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	  continue;
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	}
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      void *val;
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      res = pthread_join (thr, &val;;
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      if (res)
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	{
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	  printf ("pthread_join: %s\n", strerror (res));
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	  continue;
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	}
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      if (val == NULL)
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	continue;
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      res = timer_settime (timerId, 0, &itval, NULL);
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      if (res < 0)
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	printf ("timer_settime: %m\n");
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      res = timer_delete (timerId);
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      if (res < 0)
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	printf ("timer_delete: %m\n");
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    }
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  return 0;
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}
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# define TEST_FUNCTION do_test ()
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#else
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# define TEST_FUNCTION 0
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#endif
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#include "../test-skeleton.c"