barrier/lib/arch/CArchSleepWindows.cpp

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
*
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* 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,
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* 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.
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*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#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();
}