I usually use two different events for read and write, too. For streaming IO, like reading and writing from a TCP socket, you might also want to look into bufferevents which abstract a lot of the low-level details away for you.
Niels. On 4/1/06, Edward Chan <[EMAIL PROTECTED]> wrote: > Cool. Thanks. Is there any advantage/disadvantage to using 2 event > types (one for read, and one for write) per fd as opposed to just 1 > event for both read/write per fd? The reason I thought about using 2 > events is so I don't have to call event_del and event_set all the time. > For example, when I get a read event, but still have a pending write > event. I would like to remove the read event, but that means I would > have to call event_del, then call event_set again with only EV_WRITE. > And similarly if I get a write but still waiting for a read, I'd have to > call event_del, and then event_set again with only EV_READ. Does that > make sense? Would 2 events be the better option here? Or am I totally > not getting it? > > Ed > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > > Niels Provos > > Sent: Saturday, April 01, 2006 7:28 AM > > To: Edward Chan > > Cc: libevent-users@monkey.org > > Subject: Re: [Libevent-users] EV_READ/EV_WRITE > > > > Yes, that's fine. As long as its a different event type. > > > > Niels. > > > > On 3/31/06, Edward Chan <[EMAIL PROTECTED]> wrote: > > > > > > > > > Is it ok to use 2 different struct event's for the same fd? > > In other > > > words, can I do something like this: > > > > > > event_set(&wevent, fd, EV_WRITE, onWriteNotify, arg); > > > event_add(&wevent, 0); ... > > > event_set(&revent, fd, EV_READ, onReadNotify, arg); > > event_add(&revent, > > > 0); _______________________________________________ > > > Libevent-users mailing list > > > Libevent-users@monkey.org > > > http://monkey.org/mailman/listinfo/libevent-users > > > > > > > > > > > > _______________________________________________ > Libevent-users mailing list > Libevent-users@monkey.org > http://monkey.org/mailman/listinfo/libevent-users > > _______________________________________________ Libevent-users mailing list Libevent-users@monkey.org http://monkey.org/mailman/listinfo/libevent-users
