Revision b8a962d4f53c7122e6ae12fbe7fe764a77775dd8 authored by krad on 02 September 2015, 19:16:42 UTC, committed by krad on 02 September 2015, 21:06:03 UTC
Summary: Added commands to spawn crash, stress, asan, asan_crash, clang CI jobs Test Plan: Manual test Reviewers: sdong CC: leveldb@ Task ID: #6968635 Blame Rev:
1 parent 8a2d59a
mutexlock.h
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#pragma once
#include "port/port.h"
namespace rocksdb {
// Helper class that locks a mutex on construction and unlocks the mutex when
// the destructor of the MutexLock object is invoked.
//
// Typical usage:
//
// void MyClass::MyMethod() {
// MutexLock l(&mu_); // mu_ is an instance variable
// ... some complex code, possibly with multiple return paths ...
// }
class MutexLock {
public:
explicit MutexLock(port::Mutex *mu) : mu_(mu) {
this->mu_->Lock();
}
~MutexLock() { this->mu_->Unlock(); }
private:
port::Mutex *const mu_;
// No copying allowed
MutexLock(const MutexLock&);
void operator=(const MutexLock&);
};
//
// Acquire a ReadLock on the specified RWMutex.
// The Lock will be automatically released then the
// object goes out of scope.
//
class ReadLock {
public:
explicit ReadLock(port::RWMutex *mu) : mu_(mu) {
this->mu_->ReadLock();
}
~ReadLock() { this->mu_->ReadUnlock(); }
private:
port::RWMutex *const mu_;
// No copying allowed
ReadLock(const ReadLock&);
void operator=(const ReadLock&);
};
//
// Acquire a WriteLock on the specified RWMutex.
// The Lock will be automatically released then the
// object goes out of scope.
//
class WriteLock {
public:
explicit WriteLock(port::RWMutex *mu) : mu_(mu) {
this->mu_->WriteLock();
}
~WriteLock() { this->mu_->WriteUnlock(); }
private:
port::RWMutex *const mu_;
// No copying allowed
WriteLock(const WriteLock&);
void operator=(const WriteLock&);
};
} // namespace rocksdb
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