mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
80 lines
1.1 KiB
C++
80 lines
1.1 KiB
C++
//
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// Event_POSIX.cpp
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//
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// Library: Foundation
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// Package: Threading
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// Module: Event
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//
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// Copyright (c) 2004-2006, 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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#include "Poco/Event_VX.h"
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#include <sysLib.h>
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namespace Poco {
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EventImpl::EventImpl(bool autoReset): _auto(autoReset), _state(false)
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{
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_sem = semCCreate(SEM_Q_PRIORITY, 0);
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if (_sem == 0)
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throw Poco::SystemException("cannot create event");
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}
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EventImpl::~EventImpl()
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{
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semDelete(_sem);
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}
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void EventImpl::setImpl()
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{
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if (_auto)
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{
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if (semGive(_sem) != OK)
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throw SystemException("cannot set event");
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}
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else
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{
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_state = true;
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if (semFlush(_sem) != OK)
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throw SystemException("cannot set event");
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}
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}
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void EventImpl::resetImpl()
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{
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_state = false;
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}
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void EventImpl::waitImpl()
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{
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if (!_state)
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{
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if (semTake(_sem, WAIT_FOREVER) != OK)
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throw SystemException("cannot wait for event");
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}
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}
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bool EventImpl::waitImpl(long milliseconds)
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{
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if (!_state)
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{
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int ticks = milliseconds*sysClkRateGet()/1000;
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return semTake(_sem, ticks) == OK;
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}
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else return true;
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}
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} // namespace Poco
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