From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 25 Apr 2003 19:49:47 +0000 (+0000)
Subject: Use QID_NONE rather than 0 for the non-abstract channel descriptor.
X-Git-Tag: 20090517-FFI~1910
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=d434d417985ffaa0d8e034bddcf2ffa68e600ff0;p=mit-scheme.git

Use QID_NONE rather than 0 for the non-abstract channel descriptor.
The value 0 could be confused with a real qid.
---

diff --git a/v7/src/microcode/pros2io.c b/v7/src/microcode/pros2io.c
index 4637a6f0e..a584cb947 100644
--- a/v7/src/microcode/pros2io.c
+++ b/v7/src/microcode/pros2io.c
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Id: pros2io.c,v 1.12 2003/04/25 05:13:14 cph Exp $
+$Id: pros2io.c,v 1.13 2003/04/25 19:49:47 cph Exp $
 
 Copyright 1994,1995,1997,2000,2003 Massachusetts Institute of Technology
 
@@ -45,7 +45,7 @@ DEFINE_PRIMITIVE ("CHANNEL-DESCRIPTOR", Prim_channel_descriptor, 1, 1, 0)
       (LONG_TO_UNSIGNED_FIXNUM
        ((CHANNEL_ABSTRACT_P (channel))
 	? (OS2_channel_thread_descriptor (channel))
-	: 0));
+	: QID_NONE));
   }
 }