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From:	Chris Faylor <cgf AT cygnus DOT com>
Date:	Thu, 20 Apr 2000 17:39:31 -0400
To:	"'cygwin AT sourceware DOT cygnus DOT com'" <cygwin AT sourceware DOT cygnus DOT com>
Subject:	Re: Using ioctl(fd, FIONBIO, &on) for non-blocking socket and connect () returns with error "no more processes"
Message-ID:	<20000420173931.A3346@cygnus.com>
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	"'cygwin AT sourceware DOT cygnus DOT com'" <cygwin AT sourceware DOT cygnus DOT com>
References:	<7B4C28C84831D211BFA200805F9F34567030EA AT nswcdlvaex04 DOT nswc DOT navy DOT mil>
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In-Reply-To:	<7B4C28C84831D211BFA200805F9F34567030EA@nswcdlvaex04.nswc.navy.mil>; from FontenotLA@NSWC.NAVY.MIL on Thu, Apr 20, 2000 at 05:20:56PM -0400

On Thu, Apr 20, 2000 at 05:20:56PM -0400, Fontenot Larry A DLVA wrote:
>I wrote a simple TCP client and server to test some of the socket
>capabilities in cygwin.  I setup cygwin yesterday pulling down the latest
>"gz" files and using "setup.exe" to install.  I am using the gcc-2.95.2
>compiler.
>
>I found out the hard way that fcntl doesn't work for creating a non-blocking
>socket, so I used ioctl(fd, FIONBIO, &on) and that seems to work.  However,
>when I call connect(), I get an error back "no more processes".  If I
>comment out the ioctl call, it works just fine.  Is this a known problem?
>Are there any fixes or workarounds?

Any non-blocking capability for sockets is going to come straight from
winsock, AFAIK.  If it is not there it's probably possible to add this
by putting a wrapper around some of the socket I/O but it's not there
now and I'm not aware of anyone working on adding this.

Christopher Faylor
Cygwin Engineering Manager (and Developer)
Cygnus Solutions, a Red Hat manager

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