From: "Joachim Schmitz" <jojo@schmitz-digital.de>
To: "'Paolo Bonzini'" <bonzini@gnu.org>
Cc: "'Junio C Hamano'" <gitster@pobox.com>, <git@vger.kernel.org>,
"'Erik Faye-Lund'" <kusmabite@gmail.com>, <bug-gnulib@gnu.org>
Subject: RE: poll() emulation in git
Date: Wed, 5 Sep 2012 14:57:31 +0200 [thread overview]
Message-ID: <00cf01cd8b66$034793c0$09d6bb40$@schmitz-digital.de> (raw)
In-Reply-To: <50474001.5030407@gnu.org>
> From: Paolo Bonzini [mailto:paolo.bonzini@gmail.com] On Behalf Of Paolo Bonzini
> Sent: Wednesday, September 05, 2012 2:05 PM
> To: Joachim Schmitz
> Cc: 'Junio C Hamano'; git@vger.kernel.org; 'Erik Faye-Lund'; bug-gnulib@gnu.org
> Subject: Re: poll() emulation in git
>
> Il 05/09/2012 13:24, Joachim Schmitz ha scritto:
> > However: this poll implementation, while compiling OK, doesn't work properly.
> > Because it uses recv(...,MSG_PEEK), it works on sockets only (returns ENOTSOCK on anything else), while the real poll() works on
all
> > kind if file descriptors, at least that is my understanding.
>
> Actually recv(...,MSG_PEEK) on most Unix variants works on non-sockets
> too. The trick is taken from GNU Pth in turn.
>
> > Here on HP NonStop, when being connected via an non-interactive SSH, we get a set of pipes (stdin, stdout, stderr) instead of a
> > socket to talk to, so the poll() just hangs/loops.
>
> Does your system have a working FIONREAD ioctl for pipes?
It does have FIONREAD ioctl. Whether it works properly is to be determined...
I'll test if you could show me how?
Bye, Jojo
next prev parent reply other threads:[~2012-09-05 12:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 11:24 poll() emulation in git Joachim Schmitz
2012-09-05 11:55 ` Bastien ROUCARIES
2012-09-05 12:04 ` Joachim Schmitz
2012-09-05 12:05 ` Paolo Bonzini
2012-09-05 12:57 ` Joachim Schmitz [this message]
2012-09-05 13:36 ` Joachim Schmitz
2012-09-05 15:25 ` Paolo Bonzini
2012-09-06 14:02 ` Joachim Schmitz
2012-09-06 14:31 ` Paolo Bonzini
2012-09-06 14:44 ` Joachim Schmitz
2012-09-06 15:15 ` Paolo Bonzini
2012-09-07 7:23 ` Joachim Schmitz
2012-09-07 7:39 ` Joachim Schmitz
2012-09-07 9:40 ` Paolo Bonzini
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