source: trunk/synergy/lib/arch/CArchSleepWindows.cpp@ 3848

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include "CArchSleepWindows.h"
#include "CArch.h"
#include "CArchMultithreadWindows.h"

//
// CArchSleepWindows
//

CArchSleepWindows::CArchSleepWindows()
{
        // do nothing
}

CArchSleepWindows::~CArchSleepWindows()
{
        // do nothing
}

void
CArchSleepWindows::sleep(double timeout)
{
        ARCH->testCancelThread();
        if (timeout < 0.0) {
                return;
        }

        // get the cancel event from the current thread.  this only
        // works if we're using the windows multithread object but
        // this is windows so that's pretty certain;  we'll get a
        // link error if we're not, though.
        CArchMultithreadWindows* mt = CArchMultithreadWindows::getInstance();
        if (mt != NULL) {
                HANDLE cancelEvent = mt->getCancelEventForCurrentThread();
                WaitForSingleObject(cancelEvent, (DWORD)(1000.0 * timeout));
                if (timeout == 0.0) {
                        Sleep(0);
                }
        }
        else {
                Sleep((DWORD)(1000.0 * timeout));
        }
        ARCH->testCancelThread();       
}