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diff src/variables.cc @ 8083:16ab78b816bc

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variables.cc (mlock): lock current function
author John W. Eaton <jwe@octave.org>
date Wed, 03 Sep 2008 11:36:11 -0400
parents 85184151822e
children 10b63c4fd413
line wrap: on
line diff
--- a/src/variables.cc	Wed Sep 03 11:20:25 2008 -0400
+++ b/src/variables.cc	Wed Sep 03 11:36:11 2008 -0400
@@ -1888,7 +1888,7 @@
 void 
 mlock (void)
 {
-  octave_function *fcn = octave_call_stack::caller ();
+  octave_function *fcn = octave_call_stack::current ();
 
   if (fcn)
     fcn->lock ();
@@ -1938,7 +1938,14 @@
   octave_value_list retval;
 
   if (args.length () == 0)
-    mlock ();
+    {
+      octave_function *fcn = octave_call_stack::caller ();
+
+      if (fcn)
+	fcn->lock ();
+      else
+	error ("mlock: invalid use outside a function");
+    }
   else
     print_usage ();