mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _PLATFORM_THREAD_SEMAPHORE_H_
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#define _PLATFORM_THREAD_SEMAPHORE_H_
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#ifndef _TORQUE_TYPES_H_
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#include "platform/types.h"
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#endif
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// Forward ref used by platform code
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class PlatformSemaphore;
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class Semaphore
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{
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protected:
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PlatformSemaphore *mData;
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public:
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/// Create a semaphore. initialCount defaults to 1.
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Semaphore(S32 initialCount = 1);
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/// Delete a semaphore, ignoring it's count.
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~Semaphore();
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/// Acquire the semaphore, decrementing its count.
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/// if the initial count is less than 1, block until it goes above 1, then acquire.
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/// Returns true if the semaphore was acquired, false if the semaphore could
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/// not be acquired and block was false.
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bool acquire(bool block = true, S32 timeoutMS = -1);
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/// Release the semaphore, incrementing its count.
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/// Never blocks.
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void release();
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};
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#endif
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