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//
// Semaphore_WIN32.h
//
// Library: Foundation
// Package: Threading
// Module: Semaphore
//
// Definition of the SemaphoreImpl class for WIN32.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_Semaphore_WIN32_INCLUDED
#define Foundation_Semaphore_WIN32_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Exception.h"
#include "Poco/UnWindows.h"
namespace Poco {
class Foundation_API SemaphoreImpl
{
protected:
SemaphoreImpl(int n, int max);
~SemaphoreImpl();
void setImpl();
void waitImpl();
bool waitImpl(long milliseconds);
private:
HANDLE _sema;
};
//
// inlines
//
inline void SemaphoreImpl::setImpl()
{
if (!ReleaseSemaphore(_sema, 1, NULL))
{
throw SystemException("cannot signal semaphore");
}
}
} // namespace Poco
#endif // Foundation_Semaphore_WIN32_INCLUDED
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