From 72fcbc3ee690a028128274d2bd0ad694961b5e5f Mon Sep 17 00:00:00 2001 From: Thomas Pfaff Date: Thu, 9 Jan 2003 20:51:55 +0000 Subject: Add pthread_mutex tests --- winsup/testsuite/winsup.api/pthread/mutex7d.c | 51 +++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 winsup/testsuite/winsup.api/pthread/mutex7d.c (limited to 'winsup/testsuite/winsup.api/pthread/mutex7d.c') diff --git a/winsup/testsuite/winsup.api/pthread/mutex7d.c b/winsup/testsuite/winsup.api/pthread/mutex7d.c new file mode 100644 index 000000000..906d0f043 --- /dev/null +++ b/winsup/testsuite/winsup.api/pthread/mutex7d.c @@ -0,0 +1,51 @@ +/* + * mutex7d.c + * + * Test the default (type not set) mutex type. + * Should be the same as PTHREAD_MUTEX_ERRORCHECK. + * Thread locks then trylocks mutex (attempted recursive lock). + * The thread should lock first time and EBUSY second time. + * + * 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_trylock(&mutex) == EBUSY); + lockCount++; + assert(pthread_mutex_unlock(&mutex) == 0); + assert(pthread_mutex_unlock(&mutex) == EPERM); + + return 0; +} + +int +main() +{ + int result = 0; + pthread_t t; + + assert(pthread_mutex_init(&mutex, NULL) == 0); + + assert(pthread_create(&t, NULL, locker, NULL) == 0); + + assert(pthread_join(t, (void **) &result) == 0); + + assert(lockCount == 2); + + exit(0); + + /* Never reached */ + return 0; +} -- cgit v1.2.3