ngx_unix_recv problem

[Maxim Dounin]

Hello!

On Thu, Aug 27, 2009 at 05:10:51AM -0400, wangbin579 wrote:

> use strace,the system alert:Resource temporarily unavailable
> recv(8, 0x9bfb880, 55, 0)               = -1 EAGAIN (Resource temporarily unavailable)
> 
> it appears that recv reads data when the data is not prepared.
> it does not check if the data is available

It shouldn't.  Note that nginx is event-driven server, see here 
for details:

http://en.wikipedia.org/wiki/Event_driven

Maxim Dounin