sim/testsuite/sim/cris/c/thread3.c

   1 /* Compiler options:
   2 #cc: additional_flags=-pthread
   3 #notarget: cris*-*-elf
   4
   5    To test sched_yield in the presencs of threads.  Core from ex1.c.  */
   6
   7 #include <stddef.h>
   8 #include <stdio.h>
   9 #include <unistd.h>
  10 #include <pthread.h>
  11 #include <stdlib.h>
  12
  13 static void *
  14 process (void *arg)
  15 {
  16   int i;
  17   for (i = 0; i < 10; i++)
  18     {
  19       if (sched_yield () != 0)
  20         abort ();
  21     }
  22   return NULL;
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   int retcode;
  29   pthread_t th_a, th_b;
  30   void *retval;
  31
  32   retcode = pthread_create (&th_a, NULL, process, (void *) "a");
  33   if (retcode != 0)
  34     abort ();
  35   retcode = pthread_create (&th_b, NULL, process, (void *) "b");
  36   if (retcode != 0)
  37     abort ();
  38   retcode = pthread_join (th_a, &retval);
  39   if (retcode != 0)
  40     abort ();
  41   retcode = pthread_join (th_b, &retval);
  42   if (retcode != 0)
  43     abort ();
  44   printf ("pass\n");
  45   return 0;
  46 }