Make read-event work on systems without select.

diff --git a/v7/src/edwin/tterm.scm b/v7/src/edwin/tterm.scm
index 470d903aefa816eab39b374a95b528985bb2fb86..000a1c8fa44ceaa95efbc8259c7636ce5a5d6630 100644 (file)
--- a/v7/src/edwin/tterm.scm
+++ b/v7/src/edwin/tterm.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Id: tterm.scm,v 1.19 1993/04/27 09:22:31 cph Exp $
+$Id: tterm.scm,v 1.20 1993/07/16 19:20:22 gjr Exp $
 
-Copyright (c) 1990-93 Massachusetts Institute of Technology
+Copyright (c) 1990-1993 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -174,6 +174,8 @@ MIT in each case. |#
                (let loop ()
                  (cond (inferior-thread-changes? event:interrupt)
                        ((process-output-available?) event:process-output)
+                       ((not have-select?)
+                        (and block? (read-event block?)))
                        (else
                         (case (test-for-input-on-descriptor
                                (channel-descriptor-for-select channel)