diff options
author | Jędrzej Nowacki <jedrzej.nowacki@digia.com> | 2013-01-29 14:20:50 +0100 |
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committer | Lars Knoll <lars.knoll@digia.com> | 2013-01-30 13:20:40 +0100 |
commit | 74fba4d8069c946c1ba12b9ac4d4026aaf14118b (patch) | |
tree | 138cc204ec33ef0c838c98355ea84846e11ca1a7 /src/3rdparty/masm/wtf/DynamicAnnotations.h | |
parent | 0781ecb087b027cccc1c44de1a1c7520cc89e2d2 (diff) |
Say hello to QtV4 module.
Change-Id: I507cd5707b7d7223a0d901cf939896fb2649b684
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/3rdparty/masm/wtf/DynamicAnnotations.h')
-rw-r--r-- | src/3rdparty/masm/wtf/DynamicAnnotations.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/3rdparty/masm/wtf/DynamicAnnotations.h b/src/3rdparty/masm/wtf/DynamicAnnotations.h new file mode 100644 index 0000000000..38acce35e6 --- /dev/null +++ b/src/3rdparty/masm/wtf/DynamicAnnotations.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2011 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef WTF_DynamicAnnotations_h +#define WTF_DynamicAnnotations_h + +/* This file defines dynamic annotations for use with dynamic analysis + * tool such as ThreadSanitizer, Valgrind, etc. + * + * Dynamic annotation is a source code annotation that affects + * the generated code (that is, the annotation is not a comment). + * Each such annotation is attached to a particular + * instruction and/or to a particular object (address) in the program. + * + * By using dynamic annotations a developer can give more details to the dynamic + * analysis tool to improve its precision. + * + * In C/C++ program the annotations are represented as C macros. + * With the default build flags, these macros are empty, hence don't affect + * performance of a compiled binary. + * If dynamic annotations are enabled, they just call no-op functions. + * The dynamic analysis tools can intercept these functions and replace them + * with their own implementations. + * + * See http://code.google.com/p/data-race-test/wiki/DynamicAnnotations for more information. + */ + +#if USE(DYNAMIC_ANNOTATIONS) +/* Tell data race detector that we're not interested in reports on the given address range. */ +#define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description) WTFAnnotateBenignRaceSized(__FILE__, __LINE__, address, size, description) +#define WTF_ANNOTATE_BENIGN_RACE(pointer, description) WTFAnnotateBenignRaceSized(__FILE__, __LINE__, pointer, sizeof(*(pointer)), description) + +/* Annotations for user-defined synchronization mechanisms. + * These annotations can be used to define happens-before arcs in user-defined + * synchronization mechanisms: the race detector will infer an arc from + * the former to the latter when they share the same argument pointer. + * + * The most common case requiring annotations is atomic reference counting: + * bool deref() { + * ANNOTATE_HAPPENS_BEFORE(&m_refCount); + * if (!atomicDecrement(&m_refCount)) { + * // m_refCount is now 0 + * ANNOTATE_HAPPENS_AFTER(&m_refCount); + * // "return true; happens-after each atomicDecrement of m_refCount" + * return true; + * } + * return false; + * } + */ +#define WTF_ANNOTATE_HAPPENS_BEFORE(address) WTFAnnotateHappensBefore(__FILE__, __LINE__, address) +#define WTF_ANNOTATE_HAPPENS_AFTER(address) WTFAnnotateHappensAfter(__FILE__, __LINE__, address) + +#ifdef __cplusplus +extern "C" { +#endif +/* Don't use these directly, use the above macros instead. */ +void WTFAnnotateBenignRaceSized(const char* file, int line, const volatile void* memory, long size, const char* description); +void WTFAnnotateHappensBefore(const char* file, int line, const volatile void* address); +void WTFAnnotateHappensAfter(const char* file, int line, const volatile void* address); +#ifdef __cplusplus +} // extern "C" +#endif + +#else // USE(DYNAMIC_ANNOTATIONS) +/* These macros are empty when dynamic annotations are not enabled so you can + * use them without affecting the performance of release binaries. */ +#define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description) +#define WTF_ANNOTATE_BENIGN_RACE(pointer, description) +#define WTF_ANNOTATE_HAPPENS_BEFORE(address) +#define WTF_ANNOTATE_HAPPENS_AFTER(address) +#endif // USE(DYNAMIC_ANNOTATIONS) + +#endif // WTF_DynamicAnnotations_h |