Can I use ev_loop only for read ?

Ryan Dahl ry at tinyclouds.org
Sun Mar 8 14:20:21 CET 2009


Is there a reason to use threads at all? Sounds unnecessary.

If you're doing TCP you might find this code helpful - it has a write queue.

http://github.com/ry/liboi/blob/e4402c2520b58ff8aa31be7423be450d8ecf7397/oi_socket.h#L29


ry

On Sun, Mar 8, 2009 at 1:13 PM, xiang qian <xqterry at gmail.com> wrote:
> Hi
> I am working for an packet forwarding tool. It opens 2 fds, reads data from
> one and sends to another.
> It was implemented with single thread and uses only default ev_loop and I
> will write a multi-threaded version.
> If I create 2 threads per fd, one for reading and another for writing,
> reader threads use libev ev_loop, and put any incoming data into queue 1st
> and 2nd,
> the writer threads just wait for queues and write data to fds but doesn't
> use ev_loop to get EV_WRITE event,
> is there any problem ?
> Or should I create ev_loop for each writer thread and use ev_async_send to
> notify writers when queues get data?
> Which mode is correct ?
> thanks
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