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57 lines
875 B
C++
57 lines
875 B
C++
//
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// Semaphore_VX.h
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//
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// Library: Foundation
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// Package: Threading
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// Module: Semaphore
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//
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// Definition of the SemaphoreImpl class for VxWorks.
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//
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// Copyright (c) 2004-20011, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_Semaphore_VX_INCLUDED
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#define Foundation_Semaphore_VX_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Exception.h"
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#include <semLib.h>
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namespace Poco {
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class Foundation_API SemaphoreImpl
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{
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protected:
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SemaphoreImpl(int n, int max);
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~SemaphoreImpl();
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void setImpl();
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void waitImpl();
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bool waitImpl(long milliseconds);
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private:
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SEM_ID _sem;
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};
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//
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// inlines
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//
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inline void SemaphoreImpl::setImpl()
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{
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if (semGive(_sem) != OK)
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throw SystemException("cannot signal semaphore");
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}
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} // namespace Poco
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#endif // Foundation_Semaphore_VX_INCLUDED
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