Fix bug in calling select(2): its first argument is one greater than

the highest file descriptor involved, _not_ the number of file
descriptors involved.

diff --git a/v7/src/microcode/uxio.c b/v7/src/microcode/uxio.c
index c6846872531e3609dcebe84a08abb65b992dde28..46c39eb55b7911e282c6a6a1c8c1a0b403c17b28 100644 (file)
--- a/v7/src/microcode/uxio.c
+++ b/v7/src/microcode/uxio.c
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Id: uxio.c,v 1.53 2005/07/24 05:06:40 cph Exp $
+$Id: uxio.c,v 1.54 2006/10/29 16:43:38 riastradh Exp $
 
 Copyright 1990,1991,1992,1993,1994,1995 Massachusetts Institute of Technology
 Copyright 1996,1997,1998,2000,2001,2003 Massachusetts Institute of Technology
@@ -705,7 +705,7 @@ DEFUN (OS_test_select_descriptor, (fd, blockp, mode),
        (nfds,
         ((OS_process_any_status_change ())
          ? ((errno = EINTR), (-1))
-         : (UX_select (1,
+         : (UX_select ((fd + 1),
                        (&readable),
                        (&writeable),
                        0,