* winsup.api/pthread/mutex8e.c: New testcase.

* winsup.api/pthread/mutex8n.c: Ditto.
* winsup.api/pthread/mutex8r.c: Ditto.
This commit is contained in:
Thomas Pfaff 2004-03-04 21:08:22 +00:00
parent b95ae50461
commit a6435f99ea
4 changed files with 138 additions and 0 deletions

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2004-03-04 Thomas Pfaff <tpfaff@gmx.net>
* winsup.api/pthread/mutex8e.c: New testcase.
* winsup.api/pthread/mutex8n.c: Ditto.
* winsup.api/pthread/mutex8r.c: Ditto.
2003-12-23 Christopher Faylor <cgf@redhat.com>
* winsup.api/pthread/rwlock7.c (main): Don't assume that result of rand

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/*
* mutex8e.c
*
* Tests PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP.
*
* Depends on API functions:
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
int
main()
{
assert(mutex == PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP);
assert(pthread_mutex_lock(&mutex) == 0);
assert(mutex != PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP);
assert(mutex != NULL);
assert(pthread_mutex_lock(&mutex) == EDEADLK);
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_destroy(&mutex) == 0);
assert(mutex == NULL);
return 0;
}

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/*
* mutex8n.c
*
* Tests PTHREAD_NORMAL_MUTEX_INITIALIZER_NP.
* Thread locks mutex twice (recursive lock).
* The thread should deadlock.
*
* Depends on API functions:
* pthread_create()
* pthread_mutex_init()
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
static int lockCount = 0;
pthread_mutex_t mutex = PTHREAD_NORMAL_MUTEX_INITIALIZER_NP;
void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
/* Should wait here (deadlocked) */
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_unlock(&mutex) == 0);
return (void *) 555;
}
int
main()
{
pthread_t t;
assert(pthread_create(&t, NULL, locker, NULL) == 0);
Sleep(1000);
assert(lockCount == 1);
/*
* Should succeed even though we don't own the lock
* because FAST mutexes don't check ownership.
*/
assert(pthread_mutex_unlock(&mutex) == 0);
Sleep (1000);
assert(lockCount == 2);
exit(0);
/* Never reached */
return 0;
}

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/*
* mutex8r.c
*
* Tests PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP.
*
* Depends on API functions:
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
int
main()
{
assert(mutex == PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
assert(pthread_mutex_lock(&mutex) == 0);
assert(mutex != PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
assert(mutex != NULL);
assert(pthread_mutex_lock(&mutex) == 0);
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_destroy(&mutex) == 0);
assert(mutex == NULL);
return 0;
}