tests/detach.c

   1 #include <assert.h>
   2 #include <stdlib.h>
   3 #include <pthread.h>
   4 #include <unistd.h>
   5 #include <dispatch/dispatch.h>
   6 #include <sys/mman.h>
   7
   8 #include "darwintest_defaults.h"
   9
  10 static void*
  11 thread_routine(void *loc)
  12 {
  13         uintptr_t i = (uintptr_t)loc;
  14
  15         switch (i % 3) {
  16         case 0:
  17                 usleep(1000);
  18                 break;
  19         case 1:
  20                 pthread_exit(pthread_self());
  21                 __builtin_unreachable();
  22         case 2:
  23                 break;
  24         }
  25         return NULL;
  26 }
  27
  28 T_DECL(pthread_detach, "Test creating and detaching threads in a loop",
  29                 T_META_CHECK_LEAKS(NO), T_META_ALL_VALID_ARCHS(YES))
  30 {
  31         const size_t count = 32;
  32         pthread_t ths[count];
  33
  34         for (size_t i = 0; i < 100; i++) {
  35                 for (size_t j = 0; j < count; j++) {
  36                         T_ASSERT_POSIX_ZERO(pthread_create(&ths[j], NULL,
  37                                                         thread_routine, (void *)j), "thread creation");
  38                         T_ASSERT_POSIX_ZERO(pthread_detach(ths[j]), "thread detach");
  39                 }
  40                 usleep(50000);
  41         }
  42 }