| /* |
| * Copyright 2006 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| // This module contains some basic debugging facilities. |
| // Originally comes from shared/commandlineflags/checks.h |
| |
| #ifndef WEBRTC_BASE_CHECKS_H_ |
| #define WEBRTC_BASE_CHECKS_H_ |
| |
| namespace rtc { |
| |
| // Prints an error message to stderr and aborts execution. |
| void Fatal(const char* file, int line, const char* format, ...); |
| |
| } // namespace rtc |
| |
| // Trigger a fatal error (which aborts the process and prints an error |
| // message). FATAL_ERROR_IF may seem a lot like assert, but there's a crucial |
| // difference: it's always "on". This means that it can be used to check for |
| // regular errors that could actually happen, not just programming errors that |
| // supposedly can't happen---but triggering a fatal error will kill the process |
| // in an ugly way, so it's not suitable for catching errors that might happen |
| // in production. |
| #define FATAL_ERROR(msg) do { rtc::Fatal(__FILE__, __LINE__, msg); } while (0) |
| #define FATAL_ERROR_IF(x) do { if (x) FATAL_ERROR("check failed"); } while (0) |
| |
| // The UNREACHABLE macro is very useful during development. |
| #define UNREACHABLE() FATAL_ERROR("unreachable code") |
| |
| #endif // WEBRTC_BASE_CHECKS_H_ |
