109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
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/*
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AngelCode Scripting Library
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Copyright (c) 2003-2017 Andreas Jonsson
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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The original version of this library can be located at:
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http://www.angelcode.com/angelscript/
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Andreas Jonsson
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andreas@angelcode.com
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*/
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//
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// as_thread.h
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//
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// Classes for multi threading support
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//
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#ifndef AS_THREAD_H
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#define AS_THREAD_H
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#include "as_config.h"
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#include "as_string.h"
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#include "as_array.h"
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#include "as_map.h"
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#include "as_criticalsection.h"
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BEGIN_AS_NAMESPACE
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class asCThreadLocalData;
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class asCThreadManager : public asIThreadManager
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{
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public:
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static asCThreadLocalData *GetLocalData();
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static int CleanupLocalData();
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static int Prepare(asIThreadManager *externalThreadMgr);
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static void Unprepare();
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// This read/write lock can be used by the application to provide simple synchronization
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DECLAREREADWRITELOCK(appRWLock)
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protected:
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asCThreadManager();
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~asCThreadManager();
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// No need to use the atomic int here, as it will only be
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// updated within the thread manager's critical section
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int refCount;
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#ifndef AS_NO_THREADS
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#if defined(_MSC_VER) && defined(AS_WINDOWS_THREADS) && (WINAPI_FAMILY & WINAPI_FAMILY_PHONE_APP)
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// On Windows Store we must use MSVC specific thread variables for thread
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// local storage, as the TLS API isn't available. On desktop we can't use
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// this as it may cause problems if the library is used in a dll.
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// ref: http://msdn.microsoft.com/en-us/library/2s9wt68x.aspx
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// ref: http://msdn.microsoft.com/en-us/library/9w1sdazb.aspx
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__declspec(thread) static asCThreadLocalData *tld;
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#else
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asDWORD tlsKey;
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#endif
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DECLARECRITICALSECTION(criticalSection)
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#else
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asCThreadLocalData *tld;
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#endif
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};
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//======================================================================
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class asIScriptContext;
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class asCThreadLocalData
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{
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public:
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asCArray<asIScriptContext *> activeContexts;
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asCString string;
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protected:
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friend class asCThreadManager;
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asCThreadLocalData();
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~asCThreadLocalData();
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};
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END_AS_NAMESPACE
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#endif
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