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Side by Side Diff: Source/wtf/DynamicAnnotations.h

Issue 15861022: Build WTF as dll in component build (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Fix AutoDrainedPool ctor and ThreadSpecificThreadExit exports Created 7 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved. 2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its 10 * * Neither the name of Google Inc. nor the names of its
(...skipping 30 matching lines...) Expand all
41 * In C/C++ program the annotations are represented as C macros. 41 * In C/C++ program the annotations are represented as C macros.
42 * With the default build flags, these macros are empty, hence don't affect 42 * With the default build flags, these macros are empty, hence don't affect
43 * performance of a compiled binary. 43 * performance of a compiled binary.
44 * If dynamic annotations are enabled, they just call no-op functions. 44 * If dynamic annotations are enabled, they just call no-op functions.
45 * The dynamic analysis tools can intercept these functions and replace them 45 * The dynamic analysis tools can intercept these functions and replace them
46 * with their own implementations. 46 * with their own implementations.
47 * 47 *
48 * See http://code.google.com/p/data-race-test/wiki/DynamicAnnotations for more information. 48 * See http://code.google.com/p/data-race-test/wiki/DynamicAnnotations for more information.
49 */ 49 */
50 50
51 #include "wtf/WTFExport.h"
52
51 #if USE(DYNAMIC_ANNOTATIONS) 53 #if USE(DYNAMIC_ANNOTATIONS)
52 /* Tell data race detector that we're not interested in reports on the given add ress range. */ 54 /* Tell data race detector that we're not interested in reports on the given add ress range. */
53 #define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description) WTFAnnotateBe nignRaceSized(__FILE__, __LINE__, address, size, description) 55 #define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description) WTFAnnotateBe nignRaceSized(__FILE__, __LINE__, address, size, description)
54 #define WTF_ANNOTATE_BENIGN_RACE(pointer, description) WTFAnnotateBenignRaceSize d(__FILE__, __LINE__, pointer, sizeof(*(pointer)), description) 56 #define WTF_ANNOTATE_BENIGN_RACE(pointer, description) WTFAnnotateBenignRaceSize d(__FILE__, __LINE__, pointer, sizeof(*(pointer)), description)
55 57
56 /* Annotations for user-defined synchronization mechanisms. 58 /* Annotations for user-defined synchronization mechanisms.
57 * These annotations can be used to define happens-before arcs in user-defined 59 * These annotations can be used to define happens-before arcs in user-defined
58 * synchronization mechanisms: the race detector will infer an arc from 60 * synchronization mechanisms: the race detector will infer an arc from
59 * the former to the latter when they share the same argument pointer. 61 * the former to the latter when they share the same argument pointer.
60 * 62 *
61 * The most common case requiring annotations is atomic reference counting: 63 * The most common case requiring annotations is atomic reference counting:
62 * bool deref() { 64 * bool deref() {
63 * ANNOTATE_HAPPENS_BEFORE(&m_refCount); 65 * ANNOTATE_HAPPENS_BEFORE(&m_refCount);
64 * if (!atomicDecrement(&m_refCount)) { 66 * if (!atomicDecrement(&m_refCount)) {
65 * // m_refCount is now 0 67 * // m_refCount is now 0
66 * ANNOTATE_HAPPENS_AFTER(&m_refCount); 68 * ANNOTATE_HAPPENS_AFTER(&m_refCount);
67 * // "return true; happens-after each atomicDecrement of m_refCount" 69 * // "return true; happens-after each atomicDecrement of m_refCount"
68 * return true; 70 * return true;
69 * } 71 * }
70 * return false; 72 * return false;
71 * } 73 * }
72 */ 74 */
73 #define WTF_ANNOTATE_HAPPENS_BEFORE(address) WTFAnnotateHappensBefore(__FILE__, __LINE__, address) 75 #define WTF_ANNOTATE_HAPPENS_BEFORE(address) WTFAnnotateHappensBefore(__FILE__, __LINE__, address)
74 #define WTF_ANNOTATE_HAPPENS_AFTER(address) WTFAnnotateHappensAfter(__FILE__, __ LINE__, address) 76 #define WTF_ANNOTATE_HAPPENS_AFTER(address) WTFAnnotateHappensAfter(__FILE__, __ LINE__, address)
75 77
76 #ifdef __cplusplus 78 #ifdef __cplusplus
77 extern "C" { 79 extern "C" {
78 #endif 80 #endif
79 /* Don't use these directly, use the above macros instead. */ 81 /* Don't use these directly, use the above macros instead. */
80 void WTFAnnotateBenignRaceSized(const char* file, int line, const volatile void* memory, long size, const char* description); 82 WTF_EXPORT void WTFAnnotateBenignRaceSized(const char* file, int line, const vol atile void* memory, long size, const char* description);
81 void WTFAnnotateHappensBefore(const char* file, int line, const volatile void* a ddress); 83 WTF_EXPORT void WTFAnnotateHappensBefore(const char* file, int line, const volat ile void* address);
82 void WTFAnnotateHappensAfter(const char* file, int line, const volatile void* ad dress); 84 WTF_EXPORT void WTFAnnotateHappensAfter(const char* file, int line, const volati le void* address);
83 #ifdef __cplusplus 85 #ifdef __cplusplus
84 } // extern "C" 86 } // extern "C"
85 #endif 87 #endif
86 88
87 #else // USE(DYNAMIC_ANNOTATIONS) 89 #else // USE(DYNAMIC_ANNOTATIONS)
88 /* These macros are empty when dynamic annotations are not enabled so you can 90 /* These macros are empty when dynamic annotations are not enabled so you can
89 * use them without affecting the performance of release binaries. */ 91 * use them without affecting the performance of release binaries. */
90 #define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description) 92 #define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description)
91 #define WTF_ANNOTATE_BENIGN_RACE(pointer, description) 93 #define WTF_ANNOTATE_BENIGN_RACE(pointer, description)
92 #define WTF_ANNOTATE_HAPPENS_BEFORE(address) 94 #define WTF_ANNOTATE_HAPPENS_BEFORE(address)
93 #define WTF_ANNOTATE_HAPPENS_AFTER(address) 95 #define WTF_ANNOTATE_HAPPENS_AFTER(address)
94 #endif // USE(DYNAMIC_ANNOTATIONS) 96 #endif // USE(DYNAMIC_ANNOTATIONS)
95 97
96 #endif // WTF_DynamicAnnotations_h 98 #endif // WTF_DynamicAnnotations_h
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