mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// 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.
|
|
|
|
#ifndef PLATFORM_IMPL_G3_MUTEX_H_
|
|
#define PLATFORM_IMPL_G3_MUTEX_H_
|
|
|
|
#include "absl/base/thread_annotations.h"
|
|
#include "absl/synchronization/mutex.h"
|
|
#include "internal/platform/implementation/mutex.h"
|
|
#include "internal/platform/implementation/shared/posix_mutex.h"
|
|
|
|
namespace nearby {
|
|
namespace g3 {
|
|
|
|
class ABSL_LOCKABLE Mutex : public api::Mutex {
|
|
public:
|
|
explicit Mutex(bool check) : check_(check) {}
|
|
~Mutex() override = default;
|
|
Mutex(Mutex&&) = delete;
|
|
Mutex& operator=(Mutex&&) = delete;
|
|
Mutex(const Mutex&) = delete;
|
|
Mutex& operator=(const Mutex&) = delete;
|
|
|
|
void Lock() ABSL_EXCLUSIVE_LOCK_FUNCTION() override {
|
|
mutex_.Lock();
|
|
if (!check_) mutex_.ForgetDeadlockInfo();
|
|
}
|
|
|
|
void Unlock() ABSL_UNLOCK_FUNCTION() override { mutex_.Unlock(); }
|
|
|
|
void AssertHeld() const ABSL_ASSERT_EXCLUSIVE_LOCK() override {
|
|
mutex_.AssertHeld();
|
|
}
|
|
|
|
private:
|
|
friend class ConditionVariable;
|
|
absl::Mutex mutex_;
|
|
bool check_;
|
|
};
|
|
|
|
class ABSL_LOCKABLE RecursiveMutex : public posix::Mutex {
|
|
public:
|
|
~RecursiveMutex() override = default;
|
|
RecursiveMutex() = default;
|
|
RecursiveMutex(RecursiveMutex&&) = delete;
|
|
RecursiveMutex& operator=(RecursiveMutex&&) = delete;
|
|
RecursiveMutex(const RecursiveMutex&) = delete;
|
|
RecursiveMutex& operator=(const RecursiveMutex&) = delete;
|
|
};
|
|
|
|
} // namespace g3
|
|
} // namespace nearby
|
|
|
|
#endif // PLATFORM_IMPL_G3_MUTEX_H_
|