summaryrefslogtreecommitdiff
path: root/sal/osl/os2/mutex.c
diff options
context:
space:
mode:
Diffstat (limited to 'sal/osl/os2/mutex.c')
-rw-r--r--sal/osl/os2/mutex.c142
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 );
+}
+
+