[src/trunk]: src/lib/librumphijack be kinder about kqueue()

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6c50aaed5519
branches:  trunk
changeset: 761728:6c50aaed5519
user:      pooka <pooka%NetBSD.org@localhost>
date:      Sun Feb 06 13:05:19 2011 +0000

description:
be kinder about kqueue()
(but paradoxically omit the surprise)

diffstat:

 lib/librumphijack/hijack.c |  14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diffs (42 lines):

diff -r 4735bb17c4f5 -r 6c50aaed5519 lib/librumphijack/hijack.c
--- a/lib/librumphijack/hijack.c        Sun Feb 06 12:49:32 2011 +0000
+++ b/lib/librumphijack/hijack.c        Sun Feb 06 13:05:19 2011 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: hijack.c,v 1.26 2011/02/05 16:59:24 pooka Exp $       */
+/*      $NetBSD: hijack.c,v 1.27 2011/02/06 13:05:19 pooka Exp $       */
 
 /*-
  * Copyright (c) 2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: hijack.c,v 1.26 2011/02/05 16:59:24 pooka Exp $");
+__RCSID("$NetBSD: hijack.c,v 1.27 2011/02/06 13:05:19 pooka Exp $");
 
 #define __ssp_weak_name(fun) _hijack_ ## fun
 
@@ -780,9 +780,11 @@
 kqueue(void)
 {
 
-       fprintf(stderr, "kqueue unsupported");
-       abort();
-       /*NOTREACHED*/
+       if (!ISDUP2D(STDERR_FILENO) && isatty(STDERR_FILENO)) {
+               fprintf(stderr, "rumphijack: kqueue currently unsupported\n");
+       }
+       errno = ENOSYS;
+       return -1;
 }
 
 /*ARGSUSED*/
@@ -792,7 +794,7 @@
        const struct timespec *timeout)
 {
 
-       fprintf(stderr, "kqueue unsupported");
+       fprintf(stderr, "kevent impossible\n");
        abort();
        /*NOTREACHED*/
 }