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Diffstat (limited to 'third_party/abseil_cpp/absl/debugging/leak_check.h')
| -rw-r--r-- | third_party/abseil_cpp/absl/debugging/leak_check.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/third_party/abseil_cpp/absl/debugging/leak_check.h b/third_party/abseil_cpp/absl/debugging/leak_check.h deleted file mode 100644 index 7a5a22dd1c..0000000000 --- a/third_party/abseil_cpp/absl/debugging/leak_check.h +++ /dev/null @@ -1,113 +0,0 @@ -// Copyright 2018 The Abseil Authors. -// -// 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 -// -// https://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. -// -// ----------------------------------------------------------------------------- -// File: leak_check.h -// ----------------------------------------------------------------------------- -// -// This file contains functions that affect leak checking behavior within -// targets built with the LeakSanitizer (LSan), a memory leak detector that is -// integrated within the AddressSanitizer (ASan) as an additional component, or -// which can be used standalone. LSan and ASan are included (or can be provided) -// as additional components for most compilers such as Clang, gcc and MSVC. -// Note: this leak checking API is not yet supported in MSVC. -// Leak checking is enabled by default in all ASan builds. -// -// See https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer -// -// ----------------------------------------------------------------------------- -#ifndef ABSL_DEBUGGING_LEAK_CHECK_H_ -#define ABSL_DEBUGGING_LEAK_CHECK_H_ - -#include <cstddef> - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN - -// HaveLeakSanitizer() -// -// Returns true if a leak-checking sanitizer (either ASan or standalone LSan) is -// currently built into this target. -bool HaveLeakSanitizer(); - -// DoIgnoreLeak() -// -// Implements `IgnoreLeak()` below. This function should usually -// not be called directly; calling `IgnoreLeak()` is preferred. -void DoIgnoreLeak(const void* ptr); - -// IgnoreLeak() -// -// Instruct the leak sanitizer to ignore leak warnings on the object referenced -// by the passed pointer, as well as all heap objects transitively referenced -// by it. The passed object pointer can point to either the beginning of the -// object or anywhere within it. -// -// Example: -// -// static T* obj = IgnoreLeak(new T(...)); -// -// If the passed `ptr` does not point to an actively allocated object at the -// time `IgnoreLeak()` is called, the call is a no-op; if it is actively -// allocated, the object must not get deallocated later. -// -template <typename T> -T* IgnoreLeak(T* ptr) { - DoIgnoreLeak(ptr); - return ptr; -} - -// LeakCheckDisabler -// -// This helper class indicates that any heap allocations done in the code block -// covered by the scoped object, which should be allocated on the stack, will -// not be reported as leaks. Leak check disabling will occur within the code -// block and any nested function calls within the code block. -// -// Example: -// -// void Foo() { -// LeakCheckDisabler disabler; -// ... code that allocates objects whose leaks should be ignored ... -// } -// -// REQUIRES: Destructor runs in same thread as constructor -class LeakCheckDisabler { - public: - LeakCheckDisabler(); - LeakCheckDisabler(const LeakCheckDisabler&) = delete; - LeakCheckDisabler& operator=(const LeakCheckDisabler&) = delete; - ~LeakCheckDisabler(); -}; - -// RegisterLivePointers() -// -// Registers `ptr[0,size-1]` as pointers to memory that is still actively being -// referenced and for which leak checking should be ignored. This function is -// useful if you store pointers in mapped memory, for memory ranges that we know -// are correct but for which normal analysis would flag as leaked code. -void RegisterLivePointers(const void* ptr, size_t size); - -// UnRegisterLivePointers() -// -// Deregisters the pointers previously marked as active in -// `RegisterLivePointers()`, enabling leak checking of those pointers. -void UnRegisterLivePointers(const void* ptr, size_t size); - -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_DEBUGGING_LEAK_CHECK_H_ |