1/* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include <signal.h> 12#include <stdlib.h> 13#include <stdio.h> 14#include <string.h> 15 16#if WEBRTC_WIN 17#define WIN32_LEAN_AND_MEAN 18#include <windows.h> 19#endif // WEBRTC_WIN 20 21#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) 22#include <CoreServices/CoreServices.h> 23#endif // WEBRTC_MAC && !defined(WEBRTC_IOS) 24 25#include <algorithm> 26#include "webrtc/base/common.h" 27#include "webrtc/base/logging.h" 28 29////////////////////////////////////////////////////////////////////// 30// Assertions 31////////////////////////////////////////////////////////////////////// 32 33namespace rtc { 34 35void Break() { 36#if WEBRTC_WIN 37 ::DebugBreak(); 38#else // !WEBRTC_WIN 39 // On POSIX systems, SIGTRAP signals debuggers to break without killing the 40 // process. If a debugger isn't attached, the uncaught SIGTRAP will crash the 41 // app. 42 raise(SIGTRAP); 43#endif 44 // If a debugger wasn't attached, we will have crashed by this point. If a 45 // debugger is attached, we'll continue from here. 46} 47 48static AssertLogger custom_assert_logger_ = NULL; 49 50void SetCustomAssertLogger(AssertLogger logger) { 51 custom_assert_logger_ = logger; 52} 53 54void LogAssert(const char* function, const char* file, int line, 55 const char* expression) { 56 if (custom_assert_logger_) { 57 custom_assert_logger_(function, file, line, expression); 58 } else { 59 LOG(LS_ERROR) << file << "(" << line << ")" << ": ASSERT FAILED: " 60 << expression << " @ " << function; 61 } 62} 63 64bool IsOdd(int n) { 65 return (n & 0x1); 66} 67 68bool IsEven(int n) { 69 return !IsOdd(n); 70} 71 72} // namespace rtc 73