tests/mutex1.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

/* 
 * mutex1.c
 *
 * Create a simple mutex object, lock it, and then unlock it again.
 * This is the simplest test of the pthread mutex family that we can do.
 */

#include <pthread.h>

pthread_mutex_t mutex1;

int
main()
{
  if (pthread_mutex_init(&mutex1, NULL) != 0)
    {
      return 1;
    }

  if (pthread_mutex_lock(&mutex1) != 0)
    {
      return 1;
    }

  if (pthread_mutex_unlock(&mutex1) != 0)
    {
      return 1;
    }

  return 0;
}