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authorJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 14:18:43 +0000
committerJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 14:18:43 +0000
commit9399c662f36c385b0c705eb34e636a9aec450282 (patch)
treef502e9d9258960ff214ab90e98e31d0075e60196 /sal/inc/osl/semaphor.h
initial import
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+/*************************************************************************
+ *
+ * $RCSfile: semaphor.h,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_H_
+#define _OSL_SEMAPHORE_H_
+
+#ifndef _OSL_TYPES_H_
+# include <osl/types.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void* oslSemaphore;
+
+/** 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.
+*/
+oslSemaphore SAL_CALL osl_createSemaphore(sal_uInt32 initialCount);
+
+/** Release the OS-structures and free semaphore data-structure
+ @return fbbb
+*/
+void SAL_CALL osl_destroySemaphore(oslSemaphore Semaphore);
+
+/** acquire() decreases the count. It will block if it tries to
+ decrease below zero.
+ @return False if the system-call failed.
+*/
+sal_Bool SAL_CALL osl_acquireSemaphore(oslSemaphore 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 SAL_CALL osl_tryToAcquireSemaphore(oslSemaphore Semaphore);
+
+/** release() increases the count.
+ @return False if the system-call failed.
+*/
+sal_Bool SAL_CALL osl_releaseSemaphore(oslSemaphore Semaphore);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OSL_SEMAPHORE_H_ */
+
+/*************************************************************************
+*
+* $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 1999/08/05 10:18:20 jsc
+* verschoben aus osl
+*
+* Revision 1.6 1999/08/05 11:14:41 jsc
+* verschoben in root inc-Verzeichnis
+*
+* Revision 1.5 1999/01/20 18:53:41 jsc
+* #61011# Typumstellung
+*
+* Revision 1.4 1998/02/16 19:34:52 rh
+* Cleanup of ports, integration of Size_t, features for process
+*
+* Revision 1.3 1997/07/31 15:28:40 ts
+* *** empty log message ***
+*
+* Revision 1.2 1997/07/17 11:02:28 rh
+* Header adapted and profile added
+*
+* Revision 1.1 1997/06/19 13:10:10 bho
+* first version of OSL.
+*
+*************************************************************************/
+