cdesktopenv/cde/lib/DtSvc/include/DtSvcLock.h

71 lines
2.7 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they 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 these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: DtSvcLock.h /main/6 1996/08/28 17:58:14 rswiston $ */
/* *
* (c) Copyright 1996 Hewlett-Packard Company *
* (c) Copyright 1996 International Business Machines Corp. *
* (c) Copyright 1996 Sun Microsystems, Inc. *
* (c) Copyright 1996 Novell, Inc. *
* (c) Copyright 1996 Digital Equipment Corporation. *
* (c) Copyright 1996 FUJITSU LIMITED. *
* (c) Copyright 1996 Hitachi. *
*/
#ifndef _DtSvc_Lock_h
#define _DtSvc_Lock_h
/******** Conditionally defined macros for thread_safe DtSvc ******/
#ifdef XTHREADS
#define _DtSvcWidgetToAppContext(w) \
XtAppContext app = XtWidgetToApplicationContext(w)
#define _DtSvcDisplayToAppContext(d) \
XtAppContext app = XtDisplayToApplicationContext(d)
#define _DtSvcAppLock(app) XtAppLock(app)
#define _DtSvcAppUnlock(app) XtAppUnlock(app)
/*
* NOTE: To use _DtSvcApp{Lock,Unlock}Default(), your file
* must either include <Dt/DtP.h> or declare _DtAppContext
* as an external variable, i.e. "extern XtAppContext _DtAppContext;"
*/
#define _DtSvcAppLockDefault() \
if (_DtAppContext != (XtAppContext)NULL) XtAppLock(_DtAppContext)
#define _DtSvcAppUnlockDefault() \
if (_DtAppContext != (XtAppContext)NULL) XtAppUnlock(_DtAppContext)
#define _DtSvcProcessLock() XtProcessLock()
#define _DtSvcProcessUnlock() XtProcessUnlock()
#else /* XTHREADS */
#define _DtSvcWidgetToAppContext(w)
#define _DtSvcDisplayToAppContext(d)
#define _DtSvcAppLock(app)
#define _DtSvcAppUnlock(app)
#define _DtSvcAppLockDefault()
#define _DtSvcAppUnlockDefault()
#define _DtSvcProcessLock()
#define _DtSvcProcessUnlock()
#endif /* XTHREADS */
#endif /* _DtSvc_Lock_h */
/* DON'T ADD ANYTHING AFTER THIS #endif... */