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/*************************************************************************
*
* $RCSfile: conditn.h,v $
*
* $Revision: 1.6 $
*
* last change: $Author: hr $ $Date: 2003-03-26 16:45:35 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _OSL_CONDITION_H_
#define _OSL_CONDITION_H_
#ifndef _OSL_TIME_H_
#include <osl/time.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef void* oslCondition;
typedef enum {
osl_cond_result_ok, /* successful completion */
osl_cond_result_error, /* error occured, check osl_getLastSocketError() for details */
osl_cond_result_timeout, /* blocking operation timed out */
osl_cond_result_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
} oslConditionResult;
/** Creates a condition.
The condition is in the reset-state.
@returns 0 if condition could not be created.
*/
oslCondition SAL_CALL osl_createCondition(void);
/** Free the memory used by the condition.
@param Condition the condition handle.
*/
void SAL_CALL osl_destroyCondition(oslCondition Condition);
/** Sets condition to True => wait() will not block, check() returns True.
NOTE: ALL threads waiting on this condition are unblocked!
@param Condition handle to a created condition.
@return False if system-call failed.
*/
sal_Bool SAL_CALL osl_setCondition(oslCondition Condition);
/** Sets condition to False => wait() will block, check() returns False
@param Condition handle to a created condition.
@return False if system-call failed.
*/
sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition);
/** Blocks if condition is not set<BR>
If condition has been destroyed prematurely, wait() will
return with False.
@param Condition handle to a created condition.
@param pTimeout Tiemout value or NULL for infinite waiting
@return False if system-call failed.
*/
oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue* pTimeout);
/** Queries the state of the condition without blocking.
@param Condition handle to a created condition.
@return True: condition is set. <BR>
False: condition is not set. <BR>
*/
sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition);
#ifdef __cplusplus
}
#endif
#endif /* _OSL_CONDITION_H_ */
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