| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 1 | /* $OpenBSD: exit.c,v 1.12 2007/09/03 14:40:16 millert Exp $ */ |
| 2 | /*- |
| 3 | * Copyright (c) 1990 The Regents of the University of California. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. Neither the name of the University nor the names of its contributors |
| 15 | * may be used to endorse or promote products derived from this software |
| 16 | * without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 28 | * SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <sys/types.h> |
| 32 | #include <sys/mman.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <unistd.h> |
| 35 | #include "atexit.h" |
| 36 | #include "thread_private.h" |
| 37 | |
| 38 | /* |
| 39 | * This variable is zero until a process has created a thread. |
| 40 | * It is used to avoid calling locking functions in libc when they |
| 41 | * are not required. By default, libc is intended to be(come) |
| 42 | * thread-safe, but without a (significant) penalty to non-threaded |
| 43 | * processes. |
| 44 | */ |
| 45 | int __isthreaded = 0; |
| 46 | |
| 47 | /* |
| 48 | * Exit, flushing stdio buffers if necessary. |
| 49 | */ |
| 50 | void |
| 51 | exit(int status) |
| 52 | { |
| 53 | /* |
| 54 | * Call functions registered by atexit() or _cxa_atexit() |
| 55 | * (including the stdio cleanup routine) and then _exit(). |
| 56 | */ |
| 57 | __cxa_finalize(NULL); |
| 58 | _exit(status); |
| 59 | } |