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Diffstat (limited to 'src/leveldb/util/mutexlock.h')
-rw-r--r-- | src/leveldb/util/mutexlock.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/src/leveldb/util/mutexlock.h b/src/leveldb/util/mutexlock.h deleted file mode 100644 index 1ff5a9efa..000000000 --- a/src/leveldb/util/mutexlock.h +++ /dev/null @@ -1,41 +0,0 @@ -// 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. - -#ifndef STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ -#define STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ - -#include "port/port.h" -#include "port/thread_annotations.h" - -namespace leveldb { - -// 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 SCOPED_LOCKABLE MutexLock { - public: - explicit MutexLock(port::Mutex *mu) EXCLUSIVE_LOCK_FUNCTION(mu) - : mu_(mu) { - this->mu_->Lock(); - } - ~MutexLock() UNLOCK_FUNCTION() { this->mu_->Unlock(); } - - private: - port::Mutex *const mu_; - // No copying allowed - MutexLock(const MutexLock&); - void operator=(const MutexLock&); -}; - -} // namespace leveldb - - -#endif // STORAGE_LEVELDB_UTIL_MUTEXLOCK_H_ |