[svn:parrot] r29753 - trunk/src/io

[jonathan]

Author: jonathan
Date: Sat Jul 26 05:39:09 2008
New Revision: 29753

Modified:
   trunk/src/io/io.c

Log:
[core] When trying to write to a closed file handle, we should throw an 
exception, not have an assertion failure. That way HLLs or programs can catch 
it.

Modified: trunk/src/io/io.c
==============================================================================
--- trunk/src/io/io.c   (original)
+++ trunk/src/io/io.c   Sat Jul 26 05:39:09 2008
@@ -1044,7 +1044,8 @@
     || !VTABLE_isa(interp, pmc, CONST_STRING(interp, "ParrotIO")))
         real_exception(interp, NULL, PIO_ERROR, "Cannot put to non-PIO PMC");
 
-    PARROT_ASSERT(io);
+    if (!io)
+        real_exception(interp, NULL, PIO_ERROR, "Cannot put to a closed PIO 
handle");
 
     if (!s)
         return 0;