Question about ngx_handle_write_event

[Maxim Dounin]

Hello!

On Mon, Jul 01, 2019 at 07:23:11PM +0000, Eran Kornblau wrote:

> Something is unclear to me regarding the use of this function, the development guide says -
> "the functions ngx_handle_read_event(rev, flags) and ngx_handle_write_event(wev, lowat)
> must be called after handling an I/O socket notification or calling any I/O functions on that socket"
> 
> If my module finished sending all the data it had, and is now waiting for more data to arrive
> (on some other socket) does it still have to call ngx_handle_write_event?

Yes.  In particular, this is required with level-tiggered event 
methods, such as select and poll, to remove the socket from the 
event list if it was previously added there.

-- 
Maxim Dounin
http://mdounin.ru/