1/* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <signal.h> 29#include <stdlib.h> 30#include <stdio.h> 31#include <memory.h> 32 33#if WIN32 34#define WIN32_LEAN_AND_MEAN 35#include <windows.h> 36#endif // WIN32 37 38#if OSX 39#include <CoreServices/CoreServices.h> 40#endif // OSX 41 42#include <algorithm> 43#include "talk/base/common.h" 44#include "talk/base/logging.h" 45 46////////////////////////////////////////////////////////////////////// 47// Assertions 48////////////////////////////////////////////////////////////////////// 49 50namespace talk_base { 51 52void Break() { 53#if WIN32 54 ::DebugBreak(); 55#else // !WIN32 56 // On POSIX systems, SIGTRAP signals debuggers to break without killing the 57 // process. If a debugger isn't attached, the uncaught SIGTRAP will crash the 58 // app. 59 raise(SIGTRAP); 60#endif 61 // If a debugger wasn't attached, we will have crashed by this point. If a 62 // debugger is attached, we'll continue from here. 63} 64 65static AssertLogger custom_assert_logger_ = NULL; 66 67void SetCustomAssertLogger(AssertLogger logger) { 68 custom_assert_logger_ = logger; 69} 70 71void LogAssert(const char* function, const char* file, int line, 72 const char* expression) { 73 if (custom_assert_logger_) { 74 custom_assert_logger_(function, file, line, expression); 75 } else { 76 LOG(LS_ERROR) << file << "(" << line << ")" << ": ASSERT FAILED: " 77 << expression << " @ " << function; 78 } 79} 80 81} // namespace talk_base 82