allocation_counter.h (1716B)
1 /* 2 * Copyright (c) 2025 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef COMMON_AUDIO_ALLOCATION_COUNTER_H_ 12 #define COMMON_AUDIO_ALLOCATION_COUNTER_H_ 13 14 #if defined(ADDRESS_SANITIZER) || defined(LEAK_SANITIZER) || \ 15 defined(MEMORY_SANITIZER) || defined(THREAD_SANITIZER) || \ 16 defined(UNDEFINED_SANITIZER) 17 // The allocator override mechanism is not available since the 18 // sanitizers override the allocators themselves. 19 #else 20 #define WEBRTC_ALLOCATION_COUNTER_AVAILABLE 1 21 22 #include <cstddef> 23 24 namespace webrtc { 25 26 // Use to count the number of heap allocations that have been performed on the 27 // current thread within the scope of the AllocationCounter. 28 // 29 // * Note1: This class is a test-only utility. In order to be able to count 30 // allocations, AllocationCounter overrides the global new and delete 31 // operators for the test binary. 32 // 33 // * Note2: An AllocationCounter instance must always be used from the same 34 // thread. 35 class AllocationCounter { 36 public: 37 AllocationCounter(); 38 ~AllocationCounter() = default; 39 40 // Returns the number of heap allocations that have been made since 41 // construction. 42 size_t new_count() const; 43 size_t delete_count() const; 44 45 private: 46 const size_t initial_new_count_; 47 const size_t initial_delete_count_; 48 }; 49 } // namespace webrtc 50 51 #endif // all the sanitizers 52 #endif // COMMON_AUDIO_ALLOCATION_COUNTER_H_