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Re: [Linux-ia64] pipe() not setting errno.
- From: Andreas Schwab <schwab at suse dot de>
- To: Anders Herbjørnsen <anders dot herbjornsen at start dot no>
- Cc: linux-ia64 at linuxia64 dot org, libc-alpha at sources dot redhat dot com
- Date: Thu, 04 Apr 2002 15:36:29 +0200
- Subject: Re: [Linux-ia64] pipe() not setting errno.
- References: <HEB9BAFDJE1ZMGIE4WNL1T634ZJGR2X.3cac3da2@andersh1>
Anders Herbjørnsen <anders.herbjornsen@start.no> writes:
|> Hello,
|>
|> When running out of file descriptors pipe() does return -1 but
|> errno is not set. This is working ok on IA32 systems, but fails
|> on IA64. I've tested this with kernels 2.4.9 and 2.4.18.
It's a bug in glibc, this should fix it:
2002-04-04 Andreas Schwab <schwab@suse.de>
* sysdeps/unix/sysv/linux/ia64/pipe.S: Don't overwrite r8 on
error.
--- sysdeps/unix/sysv/linux/ia64/pipe.S.~1.2.~ 2001-07-16 10:45:29.000000000 +0200
+++ sysdeps/unix/sysv/linux/ia64/pipe.S 2002-04-04 14:35:31.000000000 +0200
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Mosberger <davidm@hpl.hp.com>
@@ -28,7 +28,7 @@
cmp.ne p6,p0=-1,r10
;;
(p6) st4 [r2]=r8,4
- mov ret0=0
+(p6) mov ret0=0
;;
(p6) st4 [r2]=r9
(p6) ret
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
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