tools/regression/pthread/unwind/sem_wait_cancel.cpp

   1 /* $FreeBSD$ */
   2 /* Test stack unwinding for libc's sem */
   3
   4 #include <pthread.h>
   5 #include <stdio.h>
   6 #include <semaphore.h>
   7 #include <unistd.h>
   8
   9 #include "Test.cpp"
  10
  11 sem_t sem;
  12
  13 void *
  14 thr(void *arg)
  15 {
  16         Test t;
  17
  18         sem_wait(&sem);
  19         printf("Bug, thread shouldn't be here.\n");
  20         return (0);
  21 }
  22
  23 int
  24 main()
  25 {
  26         pthread_t td;
  27
  28         sem_init(&sem, 0, 0);
  29         pthread_create(&td, NULL, thr, NULL);
  30         sleep(1);
  31         pthread_cancel(td);
  32         pthread_join(td, NULL);
  33         check_destruct();
  34         return (0);
  35 }