1623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov/* $OpenBSD: exit.c,v 1.12 2007/09/03 14:40:16 millert Exp $ */ 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*- 3623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov * Copyright (c) 1990 The Regents of the University of California. 4623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov * All rights reserved. 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * documentation and/or other materials provided with the distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * may be used to endorse or promote products derived from this software 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * without specific prior written permission. 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 31623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov#include <sys/types.h> 32623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov#include <sys/mman.h> 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <stdlib.h> 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <unistd.h> 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "atexit.h" 36caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes#include "thread_private.h" 37caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes 38caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes/* 39caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes * This variable is zero until a process has created a thread. 40caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes * It is used to avoid calling locking functions in libc when they 41caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes * are not required. By default, libc is intended to be(come) 42caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes * thread-safe, but without a (significant) penalty to non-threaded 43caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes * processes. 44caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughes */ 45caaf71ebb358f811fe7602bbadb90b897e93eaf7Elliott Hughesint __isthreaded = 0; 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Exit, flushing stdio buffers if necessary. 491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectexit(int status) 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 53623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov /* 54623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov * Call functions registered by atexit() or _cxa_atexit() 55623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov * (including the stdio cleanup routine) and then _exit(). 56623b0d05bd924e7fa3c155492695123c87c3a2b1Dmitriy Ivanov */ 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __cxa_finalize(NULL); 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project _exit(status); 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 60