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Diffstat (limited to 'sal/osl/os2/mutex.c')
-rw-r--r-- | sal/osl/os2/mutex.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sal/osl/os2/mutex.c b/sal/osl/os2/mutex.c new file mode 100644 index 000000000000..946b605984e4 --- /dev/null +++ b/sal/osl/os2/mutex.c @@ -0,0 +1,142 @@ +/************************************************************************* + * + * $RCSfile: mutex.c,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 15:17:20 $ + * + * 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): _______________________________________ + * + * + ************************************************************************/ + +#include "system.h" + +#include <osl/mutex.h> +#include <osl/diagnose.h> + +/* +#include <windows.h> +#include <winbase.h> +#include <malloc.h> +*/ + +/* + Implementation notes: + The void* hidden by oslMutex points to a WIN32 + CRITICAL_SECTION structure. +*/ + +/*****************************************************************************/ +/* osl_createMutex */ +/*****************************************************************************/ +oslMutex SAL_CALL osl_createMutex() +{ + HMTX hMutex; + APIRET rc; + + /* create semaphore */ + rc = DosCreateMutexSem( NULL, &hMutex, 0, FALSE ); + if( rc != NO_ERROR ) + return NULL; + + return (oslMutex) hMutex; +} + +/*****************************************************************************/ +/* osl_destroyMutex */ +/*****************************************************************************/ +void SAL_CALL osl_destroyMutex(oslMutex Mutex) +{ + DosCloseMutexSem( (HMTX) Mutex ); +} + +/*****************************************************************************/ +/* osl_acquireMutex */ +/*****************************************************************************/ +sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex) +{ + APIRET rc; + OSL_ASSERT(Mutex); + + rc = DosRequestMutexSem( (HMTX) Mutex, SEM_INDEFINITE_WAIT ); + + return( rc == NO_ERROR ); +} + +/*****************************************************************************/ +/* osl_tryToAcquireMutex */ +/*****************************************************************************/ +sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex) +{ + APIRET rc; + OSL_ASSERT(Mutex); + + rc = DosRequestMutexSem( (HMTX) Mutex, SEM_IMMEDIATE_RETURN ); + + return( rc == NO_ERROR ); +} + +/*****************************************************************************/ +/* osl_releaseMutex */ +/*****************************************************************************/ +sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex) +{ + APIRET rc; + OSL_ASSERT(Mutex); + + rc = DosReleaseMutexSem( (HMTX) Mutex ); + + return( rc == NO_ERROR ); +} + + |