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71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifndef CRYINCLUDE_CRYCOMMON_SYNCHRONIZATION_H
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#define CRYINCLUDE_CRYCOMMON_SYNCHRONIZATION_H
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#pragma once
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//---------------------------------------------------------------------------
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// Synchronization policies, for classes (e.g. containers, allocators) that may
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// or may not be multithread-safe.
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//
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// Policies should be used as a template argument to such classes,
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// and these class implementations should then utilise the policy, as a base-class or member.
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//
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//---------------------------------------------------------------------------
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#include <AzCore/std/parallel/spin_mutex.h>
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namespace stl
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{
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template<class Sync>
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struct AutoLock
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{
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ILINE AutoLock(Sync& sync)
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: _sync(sync)
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{
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sync.Lock();
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}
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ILINE ~AutoLock()
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{
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_sync.Unlock();
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}
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private:
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Sync& _sync;
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};
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struct PSyncNone
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{
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void Lock() {}
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void Unlock() {}
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};
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struct PSyncMultiThread
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{
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PSyncMultiThread() {}
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void Lock()
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{
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m_lock.lock();
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}
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void Unlock()
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{
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m_lock.unlock();
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}
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private:
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AZStd::spin_mutex m_lock;
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};
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};
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#endif // CRYINCLUDE_CRYCOMMON_SYNCHRONIZATION_H
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