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1 /* | 1 /* |
2 * Copyright 2006 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2006 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_RTC_BASE_CHECKS_H_ | 11 #ifndef WEBRTC_RTC_BASE_CHECKS_H_ |
12 #define WEBRTC_RTC_BASE_CHECKS_H_ | 12 #define WEBRTC_RTC_BASE_CHECKS_H_ |
13 | 13 |
14 #include "webrtc/typedefs.h" | |
15 | |
16 // If you for some reson need to know if DCHECKs are on, test the value of | 14 // If you for some reson need to know if DCHECKs are on, test the value of |
17 // RTC_DCHECK_IS_ON. (Test its value, not if it's defined; it'll always be | 15 // RTC_DCHECK_IS_ON. (Test its value, not if it's defined; it'll always be |
18 // defined, to either a true or a false value.) | 16 // defined, to either a true or a false value.) |
19 #if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON) | 17 #if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON) |
20 #define RTC_DCHECK_IS_ON 1 | 18 #define RTC_DCHECK_IS_ON 1 |
21 #else | 19 #else |
22 #define RTC_DCHECK_IS_ON 0 | 20 #define RTC_DCHECK_IS_ON 0 |
23 #endif | 21 #endif |
24 | 22 |
| 23 // Annotate a function that will not return control flow to the caller. |
| 24 #if defined(_MSC_VER) |
| 25 #define RTC_NO_RETURN __declspec(noreturn) |
| 26 #elif defined(__GNUC__) |
| 27 #define RTC_NO_RETURN __attribute__ ((__noreturn__)) |
| 28 #else |
| 29 #define RTC_NO_RETURN |
| 30 #endif |
| 31 |
25 #ifdef __cplusplus | 32 #ifdef __cplusplus |
26 extern "C" { | 33 extern "C" { |
27 #endif | 34 #endif |
28 NO_RETURN void rtc_FatalMessage(const char* file, int line, const char* msg); | 35 RTC_NO_RETURN |
| 36 void rtc_FatalMessage(const char* file, int line, const char* msg); |
29 #ifdef __cplusplus | 37 #ifdef __cplusplus |
30 } // extern "C" | 38 } // extern "C" |
31 #endif | 39 #endif |
32 | 40 |
33 #ifdef __cplusplus | 41 #ifdef __cplusplus |
34 // C++ version. | 42 // C++ version. |
35 | 43 |
36 #include <sstream> | 44 #include <sstream> |
37 #include <string> | 45 #include <string> |
38 | 46 |
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225 // TODO(ajm): Consider adding RTC_NOTIMPLEMENTED macro when | 233 // TODO(ajm): Consider adding RTC_NOTIMPLEMENTED macro when |
226 // base/logging.h and system_wrappers/logging.h are consolidated such that we | 234 // base/logging.h and system_wrappers/logging.h are consolidated such that we |
227 // can match the Chromium behavior. | 235 // can match the Chromium behavior. |
228 | 236 |
229 // Like a stripped-down LogMessage from logging.h, except that it aborts. | 237 // Like a stripped-down LogMessage from logging.h, except that it aborts. |
230 class FatalMessage { | 238 class FatalMessage { |
231 public: | 239 public: |
232 FatalMessage(const char* file, int line); | 240 FatalMessage(const char* file, int line); |
233 // Used for RTC_CHECK_EQ(), etc. Takes ownership of the given string. | 241 // Used for RTC_CHECK_EQ(), etc. Takes ownership of the given string. |
234 FatalMessage(const char* file, int line, std::string* result); | 242 FatalMessage(const char* file, int line, std::string* result); |
235 NO_RETURN ~FatalMessage(); | 243 RTC_NO_RETURN ~FatalMessage(); |
236 | 244 |
237 std::ostream& stream() { return stream_; } | 245 std::ostream& stream() { return stream_; } |
238 | 246 |
239 private: | 247 private: |
240 void Init(const char* file, int line); | 248 void Init(const char* file, int line); |
241 | 249 |
242 std::ostringstream stream_; | 250 std::ostringstream stream_; |
243 }; | 251 }; |
244 | 252 |
245 // Performs the integer division a/b and returns the result. CHECKs that the | 253 // Performs the integer division a/b and returns the result. CHECKs that the |
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280 #define RTC_DCHECK_EQ(a, b) RTC_DCHECK((a) == (b)) | 288 #define RTC_DCHECK_EQ(a, b) RTC_DCHECK((a) == (b)) |
281 #define RTC_DCHECK_NE(a, b) RTC_DCHECK((a) != (b)) | 289 #define RTC_DCHECK_NE(a, b) RTC_DCHECK((a) != (b)) |
282 #define RTC_DCHECK_LE(a, b) RTC_DCHECK((a) <= (b)) | 290 #define RTC_DCHECK_LE(a, b) RTC_DCHECK((a) <= (b)) |
283 #define RTC_DCHECK_LT(a, b) RTC_DCHECK((a) < (b)) | 291 #define RTC_DCHECK_LT(a, b) RTC_DCHECK((a) < (b)) |
284 #define RTC_DCHECK_GE(a, b) RTC_DCHECK((a) >= (b)) | 292 #define RTC_DCHECK_GE(a, b) RTC_DCHECK((a) >= (b)) |
285 #define RTC_DCHECK_GT(a, b) RTC_DCHECK((a) > (b)) | 293 #define RTC_DCHECK_GT(a, b) RTC_DCHECK((a) > (b)) |
286 | 294 |
287 #endif // __cplusplus | 295 #endif // __cplusplus |
288 | 296 |
289 #endif // WEBRTC_RTC_BASE_CHECKS_H_ | 297 #endif // WEBRTC_RTC_BASE_CHECKS_H_ |
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