src/regression/pthread_condattr_setclock.c

   1 // commit: 9d5251f72b627974bcf438501e07ad42c24d94be 2011-03-08
   2 // disallow cpu time clocks in condattr
   3 #include <pthread.h>
   4 #include <time.h>
   5 #include <string.h>
   6 #include <errno.h>
   7 #include "test.h"
   8
   9 #define T(r,f) if ((r=(f))) t_error(#f " failed: %s\n", strerror(r))
  10
  11 int main(void)
  12 {
  13         pthread_cond_t c;
  14         pthread_condattr_t a;
  15         pthread_mutex_t m;
  16         clockid_t clk;
  17         struct timespec ts;
  18         void *p;
  19         int r;
  20
  21         T(r,pthread_condattr_init(&a));
  22         r = pthread_condattr_setclock(&a, CLOCK_PROCESS_CPUTIME_ID);
  23         if (r != EINVAL)
  24                 t_error("pthread_condattr_setclock CLOCK_PROCESS_CPUTIME_ID should fail with EINVAL, got %s\n", strerror(r));
  25         r = pthread_condattr_setclock(&a, CLOCK_THREAD_CPUTIME_ID);
  26         if (r != EINVAL)
  27                 t_error("pthread_condattr_setclock CLOCK_THREAD_CPUTIME_ID should fail with EINVAL, got %s\n", strerror(r));
  28         T(r,pthread_condattr_getclock(&a, &clk));
  29         if (clk != CLOCK_REALTIME)
  30                 t_error("condattr default clock is %d, wanted CLOCK_REALTIME (%d)\n", (int)clk, (int)CLOCK_REALTIME);
  31
  32         T(r,pthread_cond_init(&c, &a));
  33         T(r,pthread_mutex_init(&m, 0));
  34         T(r,pthread_mutex_lock(&m));
  35         r = clock_gettime(CLOCK_REALTIME, &ts);
  36         if (r)
  37                 t_error("clock_gettime failed: %s\n", strerror(errno));
  38         /* wait 10ms */
  39         ts.tv_nsec += 10*1000*1000;
  40         if (ts.tv_nsec >= 1000*1000*1000) {
  41                 ts.tv_nsec -= 1000*1000*1000;
  42                 ts.tv_sec += 1;
  43         }
  44         r = pthread_cond_timedwait(&c, &m, &ts);
  45         if (r != ETIMEDOUT)
  46                 t_error("pthread_cond_timedwait did not timeout, returned %s\n", strerror(r));
  47         T(r,pthread_mutex_unlock(&m));
  48
  49         T(r,pthread_mutex_destroy(&m));
  50         T(r,pthread_cond_destroy(&c));
  51         T(r,pthread_condattr_destroy(&a));
  52         return t_status;
  53 }