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diff --git a/mit-pthreads/pthreads/pthread_once.c b/mit-pthreads/pthreads/pthread_once.c
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-/* ==== pthread_once.c =======================================================
- * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
- * 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, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Chris Provenzano.
- * 4. The name of Chris Provenzano may not be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
- *
- * Description : pthread_once function.
- *
- * 1.00 93/12/12 proven
- * -Started coding this file.
- */
-
-#ifndef lint
-static const char rcsid[] = "$Id$";
-#endif
-
-#include <pthread.h>
-
-/* ==========================================================================
- * pthread_once()
- */
-int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
-{
- /* Check first for speed */
- if (once_control->state == PTHREAD_NEEDS_INIT) {
- pthread_mutex_lock(&(once_control->mutex));
- if (once_control->state == PTHREAD_NEEDS_INIT) {
- init_routine();
- once_control->state = PTHREAD_DONE_INIT;
- }
- pthread_mutex_unlock(&(once_control->mutex));
- }
- return(OK);
-}