Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/DtHelp/Lock.h

@@ -0,0 +1,35 @@
+/* $XConsortium: Lock.h /main/1 1996/04/13 11:53:37 ageorge $ */
+/*                                                                      *
+ * (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	_Dt_Lock_h
+#define	_Dt_Lock_h
+
+/********    Conditionally defined macros for thread_safe DtHelp ******/
+#ifdef XTHREADS
+#define _DtHelpWidgetToAppContext(w) \
+        XtAppContext app = XtWidgetToApplicationContext(w)
+#define _DtHelpDisplayToAppContext(d) \
+        XtAppContext app = XtDisplayToApplicationContext(d)
+#define _DtHelpAppLock(app) XtAppLock(app)
+#define _DtHelpAppUnlock(app) XtAppUnlock(app)
+#define _DtHelpProcessLock() XtProcessLock()
+#define _DtHelpProcessUnlock() XtProcessUnlock()
+#else /* XTHREADS */
+#define _DtHelpWidgetToAppContext(w)
+#define _DtHelpDisplayToAppContext(d)
+#define _DtHelpAppLock(app)
+#define _DtHelpAppUnlock(app)
+#define _DtHelpProcessLock()
+#define _DtHelpProcessUnlock()
+#endif /* XTHREADS */
+
+#endif	/* _Dt_Lock_h */
+/* DON'T ADD ANYTHING AFTER THIS #endif... */