diff options
Diffstat (limited to 'sal/inc/osl/semaphor.hxx')
| -rw-r--r-- | sal/inc/osl/semaphor.hxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sal/inc/osl/semaphor.hxx b/sal/inc/osl/semaphor.hxx new file mode 100644 index 000000000000..097bc6a81dd9 --- /dev/null +++ b/sal/inc/osl/semaphor.hxx @@ -0,0 +1,152 @@ +/************************************************************************* + * + * $RCSfile: semaphor.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 15:17:13 $ + * + * 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_SEMAPHORE_HXX_ +#define _OSL_SEMAPHORE_HXX_ + +#ifdef __cplusplus + +#include <osl/macros.hxx> + +#include <osl/semaphore.h> + + +#ifdef _USE_NAMESPACE +namespace osl +{ +#endif + + class Semaphore { + oslSemaphore semaphore; + + public: + + /** Creates a semaphore.<BR> + @param InitialCount denotes the starting value the semaphore. If you set it to + zero, the first acquire() blocks. Otherwise InitialCount acquire()s are + immedeatly successfull. + @return 0 if the semaphore could not be created, otherwise a handle to the sem. + */ + + Semaphore(sal_uInt32 initialCount) + { + semaphore = osl_createSemaphore(initialCount); + } + + /** Release the OS-structures and free semaphore data-structure + @return fbbb + */ + ~Semaphore() + { + osl_destroySemaphore(semaphore); + } + + /** acquire() decreases the count. It will block if it tries to + decrease below zero. + @return False if the system-call failed. + */ + sal_Bool acquire() + { + return osl_acquireSemaphore(semaphore); + } + + /** tryToAcquire() tries to decreases the count. It will + return with False if it would decrease the count below zero. + (When acquire() would block.) If it could successfully + decrease the count, it will return True. + */ + sal_Bool tryToAcquire() + { + return osl_tryToAcquireSemaphore(semaphore); + } + + /** release() increases the count. + @return False if the system-call failed. + */ + sal_Bool release() + { + return osl_releaseSemaphore(semaphore); + } + }; +#ifdef _USE_NAMESPACE +} +#endif + +#endif /* __cplusplus */ +#endif /* _OSL_SEMAPHORE_HXX_ */ + +/************************************************************************* +* +* $Log: not supported by cvs2svn $ +* Revision 1.4 2000/09/18 14:28:49 willem.vandorp +* OpenOffice header added. +* +* Revision 1.3 2000/05/17 14:50:15 mfe +* comments upgraded +* +* Revision 1.2 1999/10/27 15:02:08 mfe +* Change of Copyright, removed compiler warnings, code clean up, ... +* +* Revision 1.1 1999/09/23 12:09:17 kr +* inline header wrapper for mutex semaphore guard +* +*************************************************************************/ + |