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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 #ifdef 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 | |
33 namespace rtc { | |
34 | |
35 void Break() { | |
36 #ifdef 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 | |
48 static AssertLogger custom_assert_logger_ = NULL; | |
49 | |
50 void SetCustomAssertLogger(AssertLogger logger) { | |
51 custom_assert_logger_ = logger; | |
52 } | |
53 | |
54 void 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 | |
64 bool IsOdd(int n) { | |
65 return (n & 0x1); | |
66 } | |
67 | |
68 bool IsEven(int n) { | |
69 return !IsOdd(n); | |
70 } | |
71 | |
72 } // namespace rtc | |
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