11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * the documentation and/or other materials provided with the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 29c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes#include <signal.h> 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 31205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albert#ifdef __LP64__ 32205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albertstatic 33205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albert#else 34205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albert__LIBC_HIDDEN__ 35205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albert#endif 36205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albertsighandler_t _signal(int signum, sighandler_t handler, int flags) { 37c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes struct sigaction sa; 38c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes sigemptyset(&sa.sa_mask); 39c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes sa.sa_handler = handler; 40c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes sa.sa_flags = flags; 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 42c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes if (sigaction(signum, &sa, &sa) == -1) { 43c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes return SIG_ERR; 44c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes } 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 46c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes return (sighandler_t) sa.sa_handler; 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 49c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughessighandler_t signal(int signum, sighandler_t handler) { 50205dd7d9b3ba314ef8601e4613823c2d62a0605bDan Albert return _signal(signum, handler, SA_RESTART); 51c7e9b2331771e5e87c34a8ee3dc6cc41d35b02feElliott Hughes} 52