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/* $OpenBSD: exit.c,v 1.14 2017/08/12 22:59:52 guenther Exp $ */ |
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/*- |
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* Copyright (c) 1990 The Regents of the University of California. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include "atexit.h" |
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/* |
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* This variable is zero until a process has created a thread. |
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* It is used to avoid calling locking functions in libc when they |
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* are not required. By default, libc is intended to be(come) |
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* thread-safe, but without a (significant) penalty to non-threaded |
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* processes. |
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*/ |
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int __isthreaded = 0; |
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/* |
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* Exit, flushing stdio buffers if necessary. |
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*/ |
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void |
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exit(int status) |
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{ |
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/* |
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* Call functions registered by atexit() or _cxa_atexit() |
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* (including the stdio cleanup routine) and then _exit(). |
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*/ |
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__cxa_finalize(NULL); |
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_exit(status); |
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} |
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DEF_STRONG(exit); |