| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ |
| #define LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ |
| |
| #include <sys/cdefs.h> |
| |
| #ifdef __cplusplus |
| |
| #include <vector> |
| #include <string> |
| |
| struct Leak { |
| uintptr_t begin; |
| size_t size; |
| size_t num_backtrace_frames; |
| static const size_t contents_length = 32; |
| char contents[contents_length]; |
| static const size_t backtrace_length = 16; |
| uintptr_t backtrace_frames[backtrace_length]; |
| |
| std::string ToString(bool log_contents) const; |
| }; |
| |
| struct UnreachableMemoryInfo { |
| std::vector<Leak> leaks; |
| size_t num_leaks; |
| size_t leak_bytes; |
| size_t num_allocations; |
| size_t allocation_bytes; |
| |
| UnreachableMemoryInfo() {} |
| ~UnreachableMemoryInfo() { |
| // Clear the memory that holds the leaks, otherwise the next attempt to |
| // detect leaks may find the old data (for example in the jemalloc tcache) |
| // and consider all the leaks to be referenced. |
| memset(leaks.data(), 0, leaks.capacity() * sizeof(Leak)); |
| } |
| |
| std::string ToString(bool log_contents) const; |
| }; |
| |
| bool GetUnreachableMemory(UnreachableMemoryInfo& info, size_t limit = 100); |
| |
| std::string GetUnreachableMemoryString(bool log_contents = false, size_t limit = 100); |
| |
| #endif |
| |
| __BEGIN_DECLS |
| |
| bool LogUnreachableMemory(bool log_contents, size_t limit); |
| |
| bool NoLeaks(); |
| |
| __END_DECLS |
| |
| #endif // LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ |