blob: b16189947d4121d367136cea40553f4891bb89eb (
plain)
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
|
/*
* mutex2.c
*
* Declare a static mutex object, lock it,
* and then unlock it again.
*
* Depends on API functions:
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
int
main()
{
assert(mutex == PTHREAD_MUTEX_INITIALIZER);
assert(pthread_mutex_lock(&mutex) == 0);
assert(mutex != PTHREAD_MUTEX_INITIALIZER);
assert(mutex != NULL);
assert(pthread_mutex_unlock(&mutex) == 0);
return 0;
}
|
