Remove the unused & broken PyThread_*_sema() functions and related constants.

This closes SF patch #504215.

1 files changed, 0 insertions, 98 deletions

diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index 771e22e913..6e921287e1 100644
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -405,101 +405,3 @@ PyThread_release_lock(PyThread_type_lock lock)
 	status = pthread_cond_signal( &thelock->lock_released );
 	CHECK_STATUS("pthread_cond_signal");
 }
-
-/*
- * Semaphore support.
- */
-
-struct semaphore {
-	pthread_mutex_t mutex;
-	pthread_cond_t cond;
-	int value;
-};
-
-PyThread_type_sema 
-PyThread_allocate_sema(int value)
-{
-	struct semaphore *sema;
-	int status, error = 0;
-
-	dprintf(("PyThread_allocate_sema called\n"));
-	if (!initialized)
-		PyThread_init_thread();
-
-	sema = (struct semaphore *) malloc(sizeof(struct semaphore));
-	if (sema != NULL) {
-		sema->value = value;
-		status = pthread_mutex_init(&sema->mutex,
-					    pthread_mutexattr_default);
-		CHECK_STATUS("pthread_mutex_init");
-		status = pthread_cond_init(&sema->cond,
-					   pthread_condattr_default);
-		CHECK_STATUS("pthread_cond_init");
-		if (error) {
-			free((void *) sema);
-			sema = NULL;
-		}
-	}
-	dprintf(("PyThread_allocate_sema() -> %p\n",  sema));
-	return (PyThread_type_sema) sema;
-}
-
-void 
-PyThread_free_sema(PyThread_type_sema sema)
-{
-	int status, error = 0;
-	struct semaphore *thesema = (struct semaphore *) sema;
-
-	dprintf(("PyThread_free_sema(%p) called\n",  sema));
-	status = pthread_cond_destroy(&thesema->cond);
-	CHECK_STATUS("pthread_cond_destroy");
-	status = pthread_mutex_destroy(&thesema->mutex);
-	CHECK_STATUS("pthread_mutex_destroy");
-	free((void *) thesema);
-}
-
-int 
-PyThread_down_sema(PyThread_type_sema sema, int waitflag)
-{
-	int status, error = 0, success;
-	struct semaphore *thesema = (struct semaphore *) sema;
-
-	dprintf(("PyThread_down_sema(%p, %d) called\n",  sema, waitflag));
-	status = pthread_mutex_lock(&thesema->mutex);
-	CHECK_STATUS("pthread_mutex_lock");
-	if (waitflag) {
-		while (!error && thesema->value <= 0) {
-			status = pthread_cond_wait(&thesema->cond,
-						   &thesema->mutex);
-			CHECK_STATUS("pthread_cond_wait");
-		}
-	}
-	if (error)
-		success = 0;
-	else if (thesema->value > 0) {
-		thesema->value--;
-		success = 1;
-	}
-	else
-		success = 0;
-	status = pthread_mutex_unlock(&thesema->mutex);
-	CHECK_STATUS("pthread_mutex_unlock");
-	dprintf(("PyThread_down_sema(%p) return\n",  sema));
-	return success;
-}
-
-void 
-PyThread_up_sema(PyThread_type_sema sema)
-{
-	int status, error = 0;
-	struct semaphore *thesema = (struct semaphore *) sema;
-
-	dprintf(("PyThread_up_sema(%p)\n",  sema));
-	status = pthread_mutex_lock(&thesema->mutex);
-	CHECK_STATUS("pthread_mutex_lock");
-	thesema->value++;
-	status = pthread_cond_signal(&thesema->cond);
-	CHECK_STATUS("pthread_cond_signal");
-	status = pthread_mutex_unlock(&thesema->mutex);
-	CHECK_STATUS("pthread_mutex_unlock");
-}