2 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/devel-api/threading/mutex.h>
25 #include <dali/integration-api/debug.h>
26 #include <dali/internal/common/mutex-trace.h>
31 struct Mutex::MutexImpl
38 : mImpl( new MutexImpl )
40 mImpl->locked = false;
45 // nothing else to do as there is no Lock/Unlock API
46 // ScopedLock destructor will always unlock the mutex
50 bool Mutex::IsLocked()
55 Mutex::ScopedLock::ScopedLock( Mutex& mutex )
58 mMutex.mImpl->mutex.lock();
59 Internal::MutexTrace::Lock(); // matching sequence in conditional-wait.cpp
60 mMutex.mImpl->locked = true;
63 Mutex::ScopedLock::~ScopedLock()
65 mMutex.mImpl->locked = false;
66 Internal::MutexTrace::Unlock(); // reverse sequence from lock
67 mMutex.mImpl->mutex.unlock();