128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
#pragma once
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/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "core/types.h"
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//------------------------------------------------------------------------------
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namespace Win360
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{
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class Win360Event
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{
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public:
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/// constructor
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Win360Event(bool manualReset=false);
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/// destructor
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~Win360Event();
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/// signal the event
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void Signal();
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/// reset the event (only if manual reset)
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void Reset();
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/// wait for the event to become signalled
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void Wait() const;
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/// wait for the event with timeout in millisecs
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bool WaitTimeout(int ms) const;
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/// check if event is signalled
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bool Peek() const;
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private:
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HANDLE event;
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};
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//------------------------------------------------------------------------------
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/**
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*/
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inline
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Win360Event::Win360Event(bool manualReset)
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{
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this->event = CreateEvent(NULL, manualReset, FALSE, NULL);
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n_assert(0 != this->event);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline
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Win360Event::~Win360Event()
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{
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CloseHandle(this->event);
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this->event = 0;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Win360Event::Signal()
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{
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SetEvent(this->event);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Win360Event::Reset()
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{
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ResetEvent(this->event);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Win360Event::Wait() const
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{
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WaitForSingleObject(this->event, INFINITE);
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}
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//------------------------------------------------------------------------------
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/**
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Waits for the event to become signaled with a specified timeout
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in milli seconds. If the method times out it will return false,
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if the event becomes signalled within the timeout it will return
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true.
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*/
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inline bool
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Win360Event::WaitTimeout(int timeoutInMilliSec) const
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{
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DWORD res = WaitForSingleObject(this->event, timeoutInMilliSec);
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return (WAIT_TIMEOUT == res) ? false : true;
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}
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//------------------------------------------------------------------------------
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/**
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This checks if the event is signalled and returnes immediately.
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*/
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inline bool
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Win360Event::Peek() const
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{
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DWORD res = WaitForSingleObject(this->event, 0);
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return (WAIT_TIMEOUT == res) ? false : true;
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}
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} // namespace Win360
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//------------------------------------------------------------------------------
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