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Side by Side Diff: base/debug/leak_annotations.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef BASE_DEBUG_LEAK_ANNOTATIONS_H_
6 #define BASE_DEBUG_LEAK_ANNOTATIONS_H_
7
8 #include "base/basictypes.h"
9 #include "build/build_config.h"
10
11 // This file defines macros which can be used to annotate intentional memory
12 // leaks. Support for annotations is implemented in LeakSanitizer. Annotated
13 // objects will be treated as a source of live pointers, i.e. any heap objects
14 // reachable by following pointers from an annotated object will not be
15 // reported as leaks.
16 //
17 // ANNOTATE_SCOPED_MEMORY_LEAK: all allocations made in the current scope
18 // will be annotated as leaks.
19 // ANNOTATE_LEAKING_OBJECT_PTR(X): the heap object referenced by pointer X will
20 // be annotated as a leak.
21
22 #if defined(LEAK_SANITIZER) && !defined(OS_NACL)
23
24 #include <sanitizer/lsan_interface.h>
25
26 class ScopedLeakSanitizerDisabler {
27 public:
28 ScopedLeakSanitizerDisabler() { __lsan_disable(); }
29 ~ScopedLeakSanitizerDisabler() { __lsan_enable(); }
30 private:
31 DISALLOW_COPY_AND_ASSIGN(ScopedLeakSanitizerDisabler);
32 };
33
34 #define ANNOTATE_SCOPED_MEMORY_LEAK \
35 ScopedLeakSanitizerDisabler leak_sanitizer_disabler; static_cast<void>(0)
36
37 #define ANNOTATE_LEAKING_OBJECT_PTR(X) __lsan_ignore_object(X);
38
39 #else
40
41 #define ANNOTATE_SCOPED_MEMORY_LEAK ((void)0)
42 #define ANNOTATE_LEAKING_OBJECT_PTR(X) ((void)0)
43
44 #endif
45
46 #endif // BASE_DEBUG_LEAK_ANNOTATIONS_H_
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