Subject: Re: bind and O_NONBLOCK

From: Alan Cox <[email-masked]>
Date: Sat, 22 Sep 2007 13:35:56 -0400

On Sat, Sep 22, 2007 at 08:14:15PM +0400, Evgeniy Polyakov wrote:
> of operations. There are four ways where bind can fail:
> 
> 1. unsufficient rights - nothing can help here
> 2. there is no memory - async binding can not help here too, since it
> 	some memory just has to be allocated to save async request
> 	somewhere.
> 3. socket is locked.
> 4. addres is being bound is in use.

For most protocols yes - but not all. For things like IP specifying O_NDELAY
is meaningless on a bind it will always complete on the spot as you say