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--- Libc/Libc-320/stdlib/FreeBSD/atexit.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)atexit.c 8.2 (Berkeley) 7/3/94";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/atexit.c,v 1.6 2002/03/22 21:53:09 obrien Exp $");
-
-#include "namespace.h"
-#include <stddef.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <pthread.h>
-#include "atexit.h"
-#include "un-namespace.h"
-
-#include "libc_private.h"
-
-static pthread_mutex_t atexit_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-#define _MUTEX_LOCK(x) if (__isthreaded) _pthread_mutex_lock(x)
-#define _MUTEX_UNLOCK(x) if (__isthreaded) _pthread_mutex_unlock(x)
-
-struct atexit *__atexit; /* points to head of LIFO stack */
-
-/*
- * Register a function to be performed at exit.
- */
-int
-atexit(fn)
- void (*fn)();
-{
- static struct atexit __atexit0; /* one guaranteed table */
- struct atexit *p;
-
- _MUTEX_LOCK(&atexit_mutex);
- if ((p = __atexit) == NULL)
- __atexit = p = &__atexit0;
- else while (p->ind >= ATEXIT_SIZE) {
- struct atexit *old__atexit;
- old__atexit = __atexit;
- _MUTEX_UNLOCK(&atexit_mutex);
- if ((p = (struct atexit *)malloc(sizeof(*p))) == NULL)
- return (-1);
- _MUTEX_LOCK(&atexit_mutex);
- if (old__atexit != __atexit) {
- /* Lost race, retry operation */
- _MUTEX_UNLOCK(&atexit_mutex);
- free(p);
- _MUTEX_LOCK(&atexit_mutex);
- p = __atexit;
- continue;
- }
- p->ind = 0;
- p->next = __atexit;
- __atexit = p;
- }
- p->fns[p->ind++] = fn;
- _MUTEX_UNLOCK(&atexit_mutex);
- return (0);
-}