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/*
* mutex6.c
*
* Test the default (type not set) mutex type.
* Should be the same as PTHREAD_MUTEX_NORMAL.
* Thread locks mutex twice (recursive lock).
* Locking thread should deadlock on second attempt.
*
* Depends on API functions:
* pthread_mutex_lock()
* pthread_mutex_trylock()
* pthread_mutex_unlock()
*/
#include "test.h"
static int lockCount = 0;
static pthread_mutex_t mutex;
void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_lock(&mutex) != 0);
lockCount++;
Sleep(1000);
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_unlock(&mutex) == 0);
return 0;
}
int
main()
{
pthread_t t;
assert(pthread_mutex_init(&mutex, NULL) == 0);
assert(pthread_create(&t, NULL, locker, NULL) == 0);
Sleep(2000);
assert(lockCount == 1);
exit(0);
/* Never reached */
return 0;
}
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