/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include "system.h"
#include <osl/conditn.h>
#include <osl/diagnose.h>
#include <osl/time.h>
#include <systools/win32/wait_for_multiple_objects.hxx>
/*
under WIN32 , we use the void * oslCondition
as a WIN32 HANDLE ( which is also a 32 - bit value )
*/
oslCondition SAL_CALL osl_createCondition(void )
{
oslCondition Condition;
Condition= reinterpret_cast <oslCondition>(CreateEventW(nullptr, /* no security */
true , /* manual reset */
false , /* initial state not signaled */
nullptr)); /* automatic name */
return Condition;
}
void SAL_CALL osl_destroyCondition(oslCondition Condition)
{
if (Condition)
OSL_VERIFY(CloseHandle(Condition));
}
sal_Bool SAL_CALL osl_setCondition(oslCondition Condition)
{
OSL_ASSERT(Condition);
return SetEvent(reinterpret_cast <HANDLE>(Condition)) != FALSE ;
}
sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition)
{
OSL_ASSERT(Condition);
return ResetEvent(reinterpret_cast <HANDLE>(Condition)) != FALSE ;
}
oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition,
const TimeValue* pTimeout)
{
DWORD timeout;
OSL_ASSERT(Condition);
if (pTimeout)
timeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000 L;
else
timeout = INFINITE;
/* It's necessary to process SendMessage calls to the current thread to give other threads
access to COM objects instantiated in this thread */
switch (sal::systools::WaitForMultipleObjects_COMDispatch(
1 , reinterpret_cast <HANDLE*>(&Condition), timeout))
{
case WAIT_OBJECT_0:
return osl_cond_result_ok;
case WAIT_TIMEOUT:
return osl_cond_result_timeout;
default :
return osl_cond_result_error;
}
}
sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition)
{
OSL_ASSERT(Condition);
return WaitForSingleObject(reinterpret_cast <HANDLE>(Condition), 0 ) == WAIT_OBJECT_0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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