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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: conditn.c,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "system.h"
#include <osl/conditn.h>
#include <osl/diagnose.h>
#include <osl/time.h>
/*
under WIN32, we use the void* oslCondition
as a WIN32 HANDLE (which is also a 32-bit value)
*/
/*****************************************************************************/
/* osl_createCondition */
/*****************************************************************************/
oslCondition SAL_CALL osl_createCondition()
{
HEV hevCondition;
APIRET rc;
rc = DosCreateEventSem( NULL, /* unnamed semaphore */
&hevCondition, /* pointer to variable */
/* for the sem-handle */
DC_SEM_SHARED, /* shared semaphore */
FALSE ); /* initial state is posted */
if( rc == NO_ERROR )
return (oslCondition)hevCondition;
else
return NULL;
}
/*****************************************************************************/
/* osl_destroyCondition */
/*****************************************************************************/
void SAL_CALL osl_destroyCondition(oslCondition Condition)
{
if( Condition )
DosCloseEventSem( (HEV) Condition );
}
/*****************************************************************************/
/* osl_setCondition */
/*****************************************************************************/
sal_Bool SAL_CALL osl_setCondition(oslCondition Condition)
{
OSL_ASSERT(Condition);
return DosPostEventSem((HEV)Condition) == NO_ERROR;
}
/*****************************************************************************/
/* osl_resetCondition */
/*****************************************************************************/
sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition)
{
ULONG ulPostCount;
OSL_ASSERT(Condition);
return DosResetEventSem((HEV)Condition, &ulPostCount) == NO_ERROR;
}
/*****************************************************************************/
/* osl_waitCondition */
/*****************************************************************************/
oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue * pTimeout )
{
long nTimeout;
APIRET rc;
OSL_ASSERT(Condition);
if( pTimeout )
nTimeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000;
else
nTimeout = SEM_INDEFINITE_WAIT;
rc = DosWaitEventSem((HEV)Condition, nTimeout );
if( rc == ERROR_TIMEOUT )
return osl_cond_result_timeout;
if( rc != NO_ERROR )
return osl_cond_result_error;
return osl_cond_result_ok;
}
/*****************************************************************************/
/* osl_checkCondition */
/*****************************************************************************/
sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition)
{
OSL_ASSERT(Condition);
return( DosWaitEventSem((HEV)Condition, SEM_IMMEDIATE_RETURN) == NO_ERROR);
}
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