1 files changed, 113 insertions, 0 deletions
diff --git a/tcl/unix/tclXtTest.c b/tcl/unix/tclXtTest.c
new file mode 100644
index 00000000000..bc6046f8473
--- /dev/null
+++ b/tcl/unix/tclXtTest.c
@@ -0,0 +1,113 @@
+/* 
+ * tclXtTest.c --
+ *
+ *	Contains commands for Xt notifier specific tests on Unix.
+ *
+ * Copyright (c) 1997 by Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id$
+ */
+
+#include <X11/Intrinsic.h>
+#include "tcl.h"
+
+static int	TesteventloopCmd _ANSI_ARGS_((ClientData clientData,
+		    Tcl_Interp *interp, int argc, char **argv));
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tclxttest_Init --
+ *
+ *	This procedure performs application-specific initialization.
+ *	Most applications, especially those that incorporate additional
+ *	packages, will have their own version of this procedure.
+ *
+ * Results:
+ *	Returns a standard Tcl completion code, and leaves an error
+ *	message in interp->result if an error occurs.
+ *
+ * Side effects:
+ *	Depends on the startup script.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tclxttest_Init(interp)
+    Tcl_Interp *interp;		/* Interpreter for application. */
+{
+    Tcl_CreateCommand(interp, "testeventloop", TesteventloopCmd,
+            (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TesteventloopCmd --
+ *
+ *	This procedure implements the "testeventloop" command. It is
+ *	used to test the Tcl notifier from an "external" event loop
+ *	(i.e. not Tcl_DoOneEvent()).
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+TesteventloopCmd(clientData, interp, argc, argv)
+    ClientData clientData;		/* Not used. */
+    Tcl_Interp *interp;			/* Current interpreter. */
+    int argc;				/* Number of arguments. */
+    char **argv;			/* Argument strings. */
+{
+    static int *framePtr = NULL; /* Pointer to integer on stack frame of
+				  * innermost invocation of the "wait"
+				  * subcommand. */
+
+   if (argc < 2) {
+	Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
+                " option ... \"", (char *) NULL);
+        return TCL_ERROR;
+    }
+    if (strcmp(argv[1], "done") == 0) {
+	*framePtr = 1;
+    } else if (strcmp(argv[1], "wait") == 0) {
+	int *oldFramePtr;
+	int done;
+	int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
+
+	/*
+	 * Save the old stack frame pointer and set up the current frame.
+	 */
+
+	oldFramePtr = framePtr;
+	framePtr = &done;
+
+	/*
+	 * Enter an Xt event loop until the flag changes.
+	 * Note that we do not explicitly call Tcl_ServiceEvent().
+	 */
+
+	done = 0;
+	while (!done) {
+	    XtAppProcessEvent(TclSetAppContext(NULL), XtIMAll);
+	}
+	(void) Tcl_SetServiceMode(oldMode);
+	framePtr = oldFramePtr;
+    } else {
+	Tcl_AppendResult(interp, "bad option \"", argv[1],
+		"\": must be done or wait", (char *) NULL);
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}