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From: "Anton V. Boyarshinov" <boyarsh@ru.echo.fr>
To: devel@altlinux.ru
Subject: Re: [devel] errno and threads
Date: Wed, 13 Nov 2002 13:14:07 +0300
Message-ID: <20021113101410.DC3992B518@mail.ru.echo.fr> (raw)
In-Reply-To: <20021113090647.GD14670@kadath.pm.ramax.spb.ru>

On Wed, 13 Nov 2002 12:06:47 +0300
Igor Homyakov <homyakov@ramax.spb.ru> wrote:

> > > Проясните ситуацию с использованием errno в многопоточных
> > > программах. Насколько я понимаю, это зависит от реализации.
> > > 
> > > 
> > > В Linux переменная errno глобальная или локальная для
> > > каждого процесса ?
> 
> > man errno
> >  errno  is  thread-local;  setting  it in one thread does not
> > affect its
> >        value in any other thread.
> 
> > Более того, Стивенс утвержает, что она должна быть локальной
> > для потока незваисимо от реализации.
> 
> Стивенс говорит "смотрите errno.h и узнаете".

У меня сложилось другое впечатление, но книги под рукой нет ;) Но
в Linux точно thread-local.

Антон
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      reply	other threads:[~2002-11-13 10:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-13  8:48 Igor Homyakov
2002-11-13  9:21 ` Anton V. Boyarshinov
2002-11-13  9:06   ` Igor Homyakov
2002-11-13 10:14     ` Anton V. Boyarshinov [this message]

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