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
13void
14thread (union sigval arg)
15{
16 puts (s: "Timeout");
17}
18
19int
20do_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 (format: "cnt = %d\n", i);
40
41 if (timer_create (CLOCK_REALTIME, evp: &sigev, timerid: &timerId) < 0)
42 {
43 perror ("timer_create");
44 continue;
45 }
46
47 res = timer_settime (timerid: timerId, flags: 0, value: &itval, NULL);
48 if (res < 0)
49 perror ("timer_settime");
50
51 res = timer_delete (timerid: 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

source code of glibc/rt/tst-timer2.c