linuxthreads/joinrace.c

   1 /* Test case by Permaine Cheung <pcheung@cygnus.com>.  */
   2
   3 #include <errno.h>
   4 #include <pthread.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7
   8 static void *
   9 sub1 (void *arg)
  10 {
  11   /* Nothing.  */
  12   return NULL;
  13 }
  14
  15 int
  16 main (void)
  17 {
  18   int istatus;
  19   int policy;
  20   int cnt;
  21   pthread_t thread1;
  22   struct sched_param spresult1, sp1;
  23
  24   for (cnt = 0; cnt < 100; ++cnt)
  25     {
  26       printf ("Round %d\n", cnt);
  27
  28       pthread_create (&thread1, NULL, &sub1, NULL);
  29       pthread_join (thread1, NULL);
  30
  31       istatus = pthread_getschedparam (thread1, &policy, &spresult1);
  32       if (istatus != ESRCH)
  33         {
  34           printf ("pthread_getschedparam returns: %d\n", istatus);
  35           return 1;
  36         }
  37
  38       sp1.sched_priority = 0;
  39       istatus = pthread_setschedparam (thread1, SCHED_OTHER, &sp1);
  40       if (istatus != ESRCH)
  41         {
  42           printf ("pthread_setschedparam returns: %d\n", istatus);
  43           return 2;
  44         }
  45     }
  46
  47   return 0;
  48 }