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//
// Mutex_WINCE.cpp
//
// Library: Foundation
// Package: Threading
// Module: Mutex
//
// Copyright (c) 2004-2010, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Mutex_WINCE.h"
namespace Poco {
MutexImpl::MutexImpl()
{
_mutex = CreateMutexW(NULL, FALSE, NULL);
if (!_mutex) throw SystemException("cannot create mutex");
}
MutexImpl::~MutexImpl()
{
CloseHandle(_mutex);
}
void MutexImpl::lockImpl()
{
switch (WaitForSingleObject(_mutex, INFINITE))
{
case WAIT_OBJECT_0:
return;
default:
throw SystemException("cannot lock mutex");
}
}
bool MutexImpl::tryLockImpl()
{
switch (WaitForSingleObject(_mutex, 0))
{
case WAIT_TIMEOUT:
return false;
case WAIT_OBJECT_0:
return true;
default:
throw SystemException("cannot lock mutex");
}
}
bool MutexImpl::tryLockImpl(long milliseconds)
{
switch (WaitForSingleObject(_mutex, milliseconds + 1))
{
case WAIT_TIMEOUT:
return false;
case WAIT_OBJECT_0:
return true;
default:
throw SystemException("cannot lock mutex");
}
}
void MutexImpl::unlockImpl()
{
ReleaseMutex(_mutex);
}
} // namespace Poco
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