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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_DEBUG_LEAK_ANNOTATIONS_H_
- #define BASE_DEBUG_LEAK_ANNOTATIONS_H_
- #include "build/build_config.h"
- // This file defines macros which can be used to annotate intentional memory
- // leaks. Support for annotations is implemented in LeakSanitizer. Annotated
- // objects will be treated as a source of live pointers, i.e. any heap objects
- // reachable by following pointers from an annotated object will not be
- // reported as leaks.
- //
- // ANNOTATE_SCOPED_MEMORY_LEAK: all allocations made in the current scope
- // will be annotated as leaks.
- // ANNOTATE_LEAKING_OBJECT_PTR(X): the heap object referenced by pointer X will
- // be annotated as a leak.
- #if defined(LEAK_SANITIZER) && !BUILDFLAG(IS_NACL)
- #include <sanitizer/lsan_interface.h>
- class ScopedLeakSanitizerDisabler {
- public:
- ScopedLeakSanitizerDisabler() { __lsan_disable(); }
- ScopedLeakSanitizerDisabler(const ScopedLeakSanitizerDisabler&) = delete;
- ScopedLeakSanitizerDisabler& operator=(const ScopedLeakSanitizerDisabler&) =
- delete;
- ~ScopedLeakSanitizerDisabler() { __lsan_enable(); }
- };
- #define ANNOTATE_SCOPED_MEMORY_LEAK \
- ScopedLeakSanitizerDisabler leak_sanitizer_disabler; static_cast<void>(0)
- #define ANNOTATE_LEAKING_OBJECT_PTR(X) __lsan_ignore_object(X);
- #else
- #define ANNOTATE_SCOPED_MEMORY_LEAK ((void)0)
- #define ANNOTATE_LEAKING_OBJECT_PTR(X) ((void)0)
- #endif
- #endif // BASE_DEBUG_LEAK_ANNOTATIONS_H_
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