[dev] synchronous write

[Manlio Perillo]

Igor Sysoev ha scritto:
> On Mon, Oct 22, 2007 at 01:11:21PM +0200, Manlio Perillo wrote:
> 
> [...]
>>> Yes, it will work. However, you should use the following cycle:
>>>
>>>    ngx_blocking(self->r->connection->fd);
>>>
>>>    do {
>>>        rc = ngx_http_output_filter(self->r, &out);
>>>    } while (rc == NGX_AGAIN);
>>>
>>>    ngx_nonblocking(self->r->connection->fd);
>>>
>> That's unexpected, I have assumed that with socket in blocking mode 
>> ngx_http_output_filter never returns NGX_AGAIN.
> 
> No, write() to a socket in blocking mode may send less bytes than you ask.
> 

Ok, thanks.
I was assuming that NGX_AGAIN is returned only when the socket sets the 
  EWOULDBLOCK/EAGAIN error.



Manlio Perillo