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
thread(union sigval arg)14 thread (union sigval arg)
15 {
16   puts ("Timeout");
17 }
18 
19 int
do_test(void)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"
65