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Re: Re: ps and psql from PostgreSQL not working with cygwin-1.1.5-2

From: Jason Tishler <Jason(dot)Tishler(at)dothill(dot)com>
To: cygwin <cygwin(at)sources(dot)redhat(dot)com>, pgsql-ports(at)postgresql(dot)org
Subject: Re: Re: ps and psql from PostgreSQL not working with cygwin-1.1.5-2
Date: 2000-11-08 21:54:51
Message-ID: (view raw or whole thread)
Lists: pgsql-ports
On Tue, Nov 07, 2000 at 08:48:35AM +0000, Pete Forman wrote:
> Jason Tishler writes:
>  > Sorry for not letting this thread die...

I will let it die now...

>  > On Sat, Nov 04, 2000 at 01:19:50AM +0100, Corinna Vinschen wrote:
>  > > That's the problem. I thought about changing the behaviour of
>  > > connect two weeks ago. I'm not sure if it makes sense to change
>  > > the error code translation table for exactly that reason: Who
>  > > knows what that would break? Perhaps it's better to change only
>  > > the connect call to return EINPROGRESS. On the other hand Winsock
>  > > seem to have interchanged the meaning of WOULDBLOCK and
>  > > INPROGRESS (by mistake?). Hmmm.
>  > 
>  > Can some one very knowledgeable with socket programming (hopefully
>  > on many platforms) please help us out?  Should socket clients
>  > (e.g., psql) be expected to test errno for EWOULDBLOCK (a.k.a
>  > EAGAIN) when connect() returns -1?  Or, should cygwin map
>  > EWOULDBLOCK to EINPROGRESS, at least for connect()?
> According to POSIX, connect() should never set errno to EAGAIN or
> EWOULDBLOCK.  (Those codes are appropriate for accept().)
>   If the connection cannot be established immediately and O_NONBLOCK
>   is set for the file descriptor for the socket, connect( ) shall fail
>   and set errno to [EINPROGRESS], but the connection request shall not
>   be aborted, and the connection shall be established asynchronously.

I'm very happy to report that Cygwin 1.1.5 has changed to implement the

Thanks to all involved for their help.


Jason Tishler
Director, Software Engineering       Phone: +1 (732) 264-8770 x235
Dot Hill Systems Corporation         Fax:   +1 (732) 264-8798
82 Bethany Road, Suite 7             Email: Jason(dot)Tishler(at)dothill(dot)com
Hazlet, NJ 07730 USA                 WWW:

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