1 files changed, 0 insertions, 256 deletions
diff --git a/lib/libc_r/uthread/uthread_sem.c b/lib/libc_r/uthread/uthread_sem.c
deleted file mode 100644
index f85bb91..0000000
--- a/lib/libc_r/uthread/uthread_sem.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice(s), this list of conditions and the following disclaimer as
- *    the first lines of this file unmodified other than the possible
- *    addition of one or more copyright notices.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice(s), this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <semaphore.h>
-#include "namespace.h"
-#include <pthread.h>
-#include "un-namespace.h"
-#include "pthread_private.h"
-
-#define _SEM_CHECK_VALIDITY(sem)		\
-	if ((*(sem))->magic != SEM_MAGIC) {	\
-		errno = EINVAL;			\
-		retval = -1;			\
-		goto RETURN;			\
-	}
-
-__weak_reference(_sem_init, sem_init);
-__weak_reference(_sem_destroy, sem_destroy);
-__weak_reference(_sem_open, sem_open);
-__weak_reference(_sem_close, sem_close);
-__weak_reference(_sem_unlink, sem_unlink);
-__weak_reference(_sem_wait, sem_wait);
-__weak_reference(_sem_trywait, sem_trywait);
-__weak_reference(_sem_post, sem_post);
-__weak_reference(_sem_getvalue, sem_getvalue);
-
-
-int
-_sem_init(sem_t *sem, int pshared, unsigned int value)
-{
-	int	retval;
-
-	/*
-	 * Range check the arguments.
-	 */
-	if (pshared != 0) {
-		/*
-		 * The user wants a semaphore that can be shared among
-		 * processes, which this implementation can't do.  Sounds like a
-		 * permissions problem to me (yeah right).
-		 */
-		errno = EPERM;
-		retval = -1;
-		goto RETURN;
-	}
-
-	if (value > SEM_VALUE_MAX) {
-		errno = EINVAL;
-		retval = -1;
-		goto RETURN;
-	}
-
-	*sem = (sem_t)malloc(sizeof(struct sem));
-	if (*sem == NULL) {
-		errno = ENOSPC;
-		retval = -1;
-		goto RETURN;
-	}
-
-	/*
-	 * Initialize the semaphore.
-	 */
-	if (_pthread_mutex_init(&(*sem)->lock, NULL) != 0) {
-		free(*sem);
-		errno = ENOSPC;
-		retval = -1;
-		goto RETURN;
-	}
-
-	if (_pthread_cond_init(&(*sem)->gtzero, NULL) != 0) {
-		_pthread_mutex_destroy(&(*sem)->lock);
-		free(*sem);
-		errno = ENOSPC;
-		retval = -1;
-		goto RETURN;
-	}
-	
-	(*sem)->count = (u_int32_t)value;
-	(*sem)->nwaiters = 0;
-	(*sem)->magic = SEM_MAGIC;
-
-	retval = 0;
-  RETURN:
-	return retval;
-}
-
-int
-_sem_destroy(sem_t *sem)
-{
-	int	retval;
-	
-	_SEM_CHECK_VALIDITY(sem);
-
-	/* Make sure there are no waiters. */
-	_pthread_mutex_lock(&(*sem)->lock);
-	if ((*sem)->nwaiters > 0) {
-		_pthread_mutex_unlock(&(*sem)->lock);
-		errno = EBUSY;
-		retval = -1;
-		goto RETURN;
-	}
-	_pthread_mutex_unlock(&(*sem)->lock);
-	
-	_pthread_mutex_destroy(&(*sem)->lock);
-	_pthread_cond_destroy(&(*sem)->gtzero);
-	(*sem)->magic = 0;
-
-	free(*sem);
-
-	retval = 0;
-  RETURN:
-	return retval;
-}
-
-sem_t *
-_sem_open(const char *name, int oflag, ...)
-{
-	errno = ENOSYS;
-	return SEM_FAILED;
-}
-
-int
-_sem_close(sem_t *sem)
-{
-	errno = ENOSYS;
-	return -1;
-}
-
-int
-_sem_unlink(const char *name)
-{
-	errno = ENOSYS;
-	return -1;
-}
-
-int
-_sem_wait(sem_t *sem)
-{
-	int	retval;
-
-	_thread_enter_cancellation_point();
-	
-	_SEM_CHECK_VALIDITY(sem);
-
-	_pthread_mutex_lock(&(*sem)->lock);
-
-	while ((*sem)->count == 0) {
-		(*sem)->nwaiters++;
-		_pthread_cond_wait(&(*sem)->gtzero, &(*sem)->lock);
-		(*sem)->nwaiters--;
-	}
-	(*sem)->count--;
-
-	_pthread_mutex_unlock(&(*sem)->lock);
-
-	retval = 0;
-  RETURN:
-	_thread_leave_cancellation_point();
-	return retval;
-}
-
-int
-_sem_trywait(sem_t *sem)
-{
-	int	retval;
-
-	_SEM_CHECK_VALIDITY(sem);
-
-	_pthread_mutex_lock(&(*sem)->lock);
-
-	if ((*sem)->count > 0) {
-		(*sem)->count--;
-		retval = 0;
-	} else {
-		errno = EAGAIN;
-		retval = -1;
-	}
-	
-	_pthread_mutex_unlock(&(*sem)->lock);
-
-  RETURN:
-	return retval;
-}
-
-int
-_sem_post(sem_t *sem)
-{
-	int	retval;
-
-	_SEM_CHECK_VALIDITY(sem);
-
-	/*
-	 * sem_post() is required to be safe to call from within signal
-	 * handlers.  Thus, we must defer signals.
-	 */
-	_thread_kern_sig_defer();
-
-	_pthread_mutex_lock(&(*sem)->lock);
-
-	(*sem)->count++;
-	if ((*sem)->nwaiters > 0)
-		_pthread_cond_signal(&(*sem)->gtzero);
-
-	_pthread_mutex_unlock(&(*sem)->lock);
-
-	_thread_kern_sig_undefer();
-	retval = 0;
-  RETURN:
-	return retval;
-}
-
-int
-_sem_getvalue(sem_t *sem, int *sval)
-{
-	int	retval;
-
-	_SEM_CHECK_VALIDITY(sem);
-
-	_pthread_mutex_lock(&(*sem)->lock);
-	*sval = (int)(*sem)->count;
-	_pthread_mutex_unlock(&(*sem)->lock);
-
-	retval = 0;
-  RETURN:
-	return retval;
-}