From: wfire@pimpz.darkillustrated.org (Holister) Subject: Re: Non blocking I/O 17 May 1997 20:54:07 -0700 Sender: mail@cygnus.com Approved: cygnus.gnu-win32@cygnus.com Distribution: cygnus Message-ID: X-Sender: wfire@mathe.ppp.cyberenet.net Original-To: Mike Bernson Original-cc: gnu-win32@cygnus.com In-Reply-To: <337E1C01.1CFBAE39@mbsun.mlb.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Original-Sender: owner-gnu-win32@cygnus.com On Sat, 17 May 1997, Mike Bernson wrote: > I am trying to set the the non-block read or write for a > tcp-socket. > > I do the following fcntl(fd, SETFL, O_NONBLOCK) which does not > return any errors. Then a do a read on the fd and it blocks. > > I need a way to do none blocking reads or find out how much data > is pending so I can do the read for just that amount of data. > > The same would be nice for writes but not needed. select() will tell you IF data is pending, which is good... fctl() doesn't work in linux for setting non_blocking on tcp sockets either...so don't feel bad :) - For help on using this list (especially unsubscribing), send a message to "gnu-win32-request@cygnus.com" with one line of text: "help".