| // 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" |
| |
| #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_NACL) && \ |
| defined(USE_HEAPCHECKER) |
| |
| #include "third_party/tcmalloc/chromium/src/gperftools/heap-checker.h" |
| |
| // Annotate a program scope as having memory leaks. Tcmalloc's heap leak |
| // checker will ignore them. Note that these annotations may mask real bugs |
| // and should not be used in the production code. |
| #define ANNOTATE_SCOPED_MEMORY_LEAK \ |
| HeapLeakChecker::Disabler heap_leak_checker_disabler |
| |
| // Annotate an object pointer as referencing a leaky object. This object and all |
| // the heap objects referenced by it will be ignored by the heap checker. |
| // |
| // X should be referencing an active allocated object. If it is not, the |
| // annotation will be ignored. |
| // No object should be annotated with ANNOTATE_SCOPED_MEMORY_LEAK twice. |
| // Once an object is annotated with ANNOTATE_SCOPED_MEMORY_LEAK, it cannot be |
| // deleted. |
| #define ANNOTATE_LEAKING_OBJECT_PTR(X) \ |
| HeapLeakChecker::IgnoreObject(X) |
| |
| #elif defined(ADDRESS_SANITIZER) |
| #include <sanitizer/lsan_interface.h> |
| |
| class ScopedLeakSanitizerDisabler { |
| public: |
| ScopedLeakSanitizerDisabler() { __lsan_disable(); } |
| ~ScopedLeakSanitizerDisabler() { __lsan_enable(); } |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ScopedLeakSanitizerDisabler); |
| }; |
| |
| #define ANNOTATE_SCOPED_MEMORY_LEAK \ |
| ScopedLeakSanitizerDisabler leak_sanitizer_disabler; static_cast<void>(0) |
| |
| #define ANNOTATE_LEAKING_OBJECT_PTR(X) __lsan_ignore_object(X); |
| |
| #else |
| |
| // If tcmalloc is not used, the annotations should be no-ops. |
| #define ANNOTATE_SCOPED_MEMORY_LEAK ((void)0) |
| #define ANNOTATE_LEAKING_OBJECT_PTR(X) ((void)0) |
| |
| #endif |
| |
| #endif // BASE_DEBUG_LEAK_ANNOTATIONS_H_ |