From: Ulrich Drepper <drepper@gmail.com>
To: David Singleton <dsingleton@mvista.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: [robust-futex-1] futex: robust futex support
Date: Sat, 14 Jan 2006 16:02:37 -0800 [thread overview]
Message-ID: <a36005b50601141602y641567ebh5ff9b6a1fad4d7d2@mail.gmail.com> (raw)
In-Reply-To: <43C84D4B.70407@mvista.com>
On 1/13/06, David Singleton <dsingleton@mvista.com> wrote:
=============================================
> --- linux-2.6.15.orig/include/asm-generic/errno.h
> +++ linux-2.6.15/include/asm-generic/errno.h
> @@ -105,5 +105,6 @@
> /* for robust mutexes */
> #define EOWNERDEAD 130 /* Owner died */
> #define ENOTRECOVERABLE 131 /* State not recoverable */
> +#define ENOTSHARED 132 /* no pshared attribute */
Do not introduce a new error code if at all possible. Adding
userlang-visible error codes means the ABI changes due to the stupid
_sys_errlist variable. Just reuse an error code which cannot be
returned in the futex code so far and which has some kind of
resemblence with what the error means.
next prev parent reply other threads:[~2006-01-15 0:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-14 1:00 [robust-futex-1] futex: robust futex support David Singleton
2006-01-15 0:02 ` Ulrich Drepper [this message]
2006-01-15 0:04 ` david singleton
2006-01-15 5:18 ` Ulrich Drepper
2006-01-15 20:00 ` David Singleton
2006-01-17 2:27 ` [robust-futex-3] " david singleton
2006-01-17 17:32 ` Ulrich Drepper
2006-01-17 17:50 ` Ulrich Drepper
2006-01-19 2:26 ` [robust-futex-4] " david singleton
2006-01-19 5:22 ` Andrew Morton
2006-01-20 0:47 ` [robust-futex-5] " david singleton
2006-01-20 17:41 ` [robust-futex-4] " Ingo Oeser
2006-01-20 22:18 ` Andrew Morton
2006-01-21 2:30 ` david singleton
2006-01-23 18:20 ` Todd Kneisel
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