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-rw-r--r--linuxthreads/ecmutex.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/linuxthreads/ecmutex.c b/linuxthreads/ecmutex.c
deleted file mode 100644
index ce54ddf331..0000000000
--- a/linuxthreads/ecmutex.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* Test of the error checking mutex and incidently also barriers. */
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-
-static pthread_mutex_t locks[] =
-{
- PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP,
- PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP,
- PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP,
- PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP,
- PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
-};
-#define nlocks ((int) (sizeof (locks) / sizeof (locks[0])))
-
-static pthread_barrier_t barrier;
-#define SYNC pthread_barrier_wait (&barrier)
-
-#define NTHREADS nlocks
-
-#define ROUNDS 20
-
-
-static void *
-worker (void *arg)
-{
- /* We are locking the and unlocked the locks and check the errors.
- Since we are using the error-checking variant the implementation
- should report them. */
- int nr = (long int) arg;
- int i;
- void *result = NULL;
- int retval;
-
- for (i = 0; i < ROUNDS; ++i)
- {
- /* Skip the rounds which would make other == own. */
- if (i % nlocks == 0)
- continue;
-
- /* Get the "own" mutex. */
- if (pthread_mutex_trylock (&locks[nr]) != 0)
- {
- printf ("thread %d failed getting own mutex\n", nr);
- result = (void *) 1;
- }
-
- /* Try locking "own" mutex again. */
- retval = pthread_mutex_lock (&locks[nr]);
- if (retval != EDEADLK)
- {
- printf ("thread %d failed getting own mutex\n", nr);
- result = (void *) 1;
- }
-
- /* Try to get a different semaphore. */
- SYNC;
- retval = pthread_mutex_trylock (&locks[(nr + i) % nlocks]);
- if (retval != EBUSY)
- {
- printf ("thread %d didn't deadlock on getting %d's lock\n",
- nr, (nr + i) % nlocks);
- result = (void *) 1;
- }
-
- /* Try unlocking other's lock. */
- retval = pthread_mutex_unlock (&locks[(nr + i) % nlocks]);
- if (retval != EPERM)
- {
- printf ("thread %d managed releasing mutex %d\n",
- nr, (nr + i) % nlocks);
- result = (void *) 1;
- }
-
- /* All lock one mutex now. */
- SYNC;
- retval = pthread_mutex_lock (&locks[i % nlocks]);
- if (nr == (i % nlocks))
- {
- if (retval != EDEADLK)
- {
- printf ("thread %d didn't deadlock on getting %d's lock\n",
- nr, (nr + i) % nlocks);
- result = (void *) 1;
- }
- if (pthread_mutex_unlock (&locks[i % nlocks]) != 0)
- {
- printf ("thread %d failed releasing own mutex\n", nr);
- result = (void *) 1;
- }
- }
- else
- {
- if (retval != 0)
- {
- printf ("thread %d failed acquiring mutex %d\n",
- nr, i % nlocks);
- result = (void *) 1;
- }
- else if (pthread_mutex_unlock (&locks[i % nlocks]) != 0)
- {
- printf ("thread %d failed releasing mutex %d\n",
- nr, i % nlocks);
- result = (void *) 1;
- }
- }
-
- /* Unlock the own lock. */
- SYNC;
- if (nr != (i % nlocks) && pthread_mutex_unlock (&locks[nr]) != 0)
- {
- printf ("thread %d failed releasing own mutex\n", nr);
- result = (void *) 1;
- }
-
- /* Try unlocking again. */
- retval = pthread_mutex_unlock (&locks[nr]);
- if (retval == 0)
- {
- printf ("thread %d managed releasing own mutex twice\n", nr);
- result = (void *) 1;
- }
- }
-
- return result;
-}
-
-
-#define TEST_FUNCTION do_test ()
-static int
-do_test (void)
-{
- pthread_t threads[NTHREADS];
- int i;
- void *res;
- int result = 0;
-
- pthread_barrier_init (&barrier, NULL, NTHREADS);
-
- for (i = 0; i < NTHREADS; ++i)
- if (pthread_create (&threads[i], NULL, worker, (void *) (long int) i) != 0)
- {
- printf ("failed to create thread %d: %m\n", i);
- exit (1);
- }
-
- for (i = 0; i < NTHREADS; ++i)
- if (pthread_join (threads[i], &res) != 0 || res != NULL)
- result = 1;
-
- return result;
-}
-
-#include "../test-skeleton.c"