newlib/winsup/testsuite/winsup.api/pthread/mutex6r.c

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* winsup.api/pthread/: New directory. Ports of pthread functionality tests ported from pthreads-win32 project. * winsup.api/pthread/test.h: Commmon declaraions for pthread tests. * winsup.api/pthread/cleanup2.c: New test. * winsup.api/pthread/cleanup3.c: Ditto. * winsup.api/pthread/condvar1.c: Ditto. * winsup.api/pthread/condvar2.c: Ditto. * winsup.api/pthread/condvar2_1.c: Ditto. * winsup.api/pthread/condvar3.c: Ditto. * winsup.api/pthread/condvar3_1.c: Ditto. * winsup.api/pthread/condvar3_2.c: Ditto. * winsup.api/pthread/condvar3_3.c: Ditto. * winsup.api/pthread/condvar4.c: Ditto. * winsup.api/pthread/condvar5.c: Ditto. * winsup.api/pthread/condvar6.c: Ditto. * winsup.api/pthread/condvar8.c: Ditto. * winsup.api/pthread/count1.c: Ditto. * winsup.api/pthread/create1.c: Ditto. * winsup.api/pthread/create2.c: Ditto. * winsup.api/pthread/equal1.c: Ditto. * winsup.api/pthread/exit1.c: Ditto. * winsup.api/pthread/exit2.c: Ditto. * winsup.api/pthread/exit3.c: Ditto. * winsup.api/pthread/inherit1.c: Ditto. * winsup.api/pthread/join0.c: Ditto. * winsup.api/pthread/join1.c: Ditto. * winsup.api/pthread/join2.c: Ditto. * winsup.api/pthread/mutex1.c: Ditto. * winsup.api/pthread/mutex1r.c: Ditto. * winsup.api/pthread/mutex2.c: Ditto. * winsup.api/pthread/mutex3.c: Ditto. * winsup.api/pthread/mutex6r.c: Ditto. * winsup.api/pthread/once1.c: Ditto. * winsup.api/pthread/priority1.c: Ditto. * winsup.api/pthread/priority2.c: Ditto. * winsup.api/pthread/self1.c: Ditto. * winsup.api/pthread/self2.c: Ditto. * winsup.api/pthread/tsd1.c: Ditto.
2001-11-15 12:19:48 +01:00
/*
* mutex6r.c
*
* Tests PTHREAD_MUTEX_RECURSIVE mutex type.
* Thread locks mutex twice (recursive lock).
* Both locks and unlocks should succeed.
*
* Depends on API functions:
* pthread_create()
* pthread_join()
* pthread_mutexattr_init()
* pthread_mutexattr_destroy()
* pthread_mutexattr_settype()
* pthread_mutexattr_gettype()
* pthread_mutex_init()
* pthread_mutex_destroy()
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
static int lockCount = 0;
static pthread_mutex_t mutex;
static pthread_mutexattr_t mxAttr;
void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_unlock(&mutex) == 0);
return (void *) 555;
}
int
main()
{
pthread_t t;
int result = 0;
int mxType = -1;
assert(pthread_mutexattr_init(&mxAttr) == 0);
assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_RECURSIVE) == 0);
assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
assert(mxType == PTHREAD_MUTEX_RECURSIVE);
assert(pthread_mutex_init(&mutex, &mxAttr) == 0);
assert(pthread_create(&t, NULL, locker, NULL) == 0);
assert(pthread_join(t, (void **) &result) == 0);
assert(result == 555);
assert(lockCount == 2);
assert(pthread_mutex_destroy(&mutex) == 0);
assert(pthread_mutexattr_destroy(&mxAttr) == 0);
exit(0);
/* Never reached */
return 0;
}