[Libevent-users] Q: Exception callbacks and events that should run immediately

[Alexander Kolbasov <akolb@xxxxxxxxxxx>]

Hello libevent-users!

I am new to libevent, so sorry if these are FAQ questions (btw I haven't found any libevent FAQ).

I want to try integrating libevent in an existing project and there are a couple of things that are not clear from the documentation and from googling around.

1) I don't see any notion of event notification on FD exception - e.g. socket close. 
    There are some words for buffer events, but nothing for regular file
    descriptor based callbacks. So what is a good way to get a callback when specific 
    FD is closed/disconnected?

2) Sometimes I need to post an event that will be executed in the same event loop iteration 
    (possibly after other events are processed)- e.g.  I want to break a long call stack and restart
    from the event loop or want to give other events a chance to run. What is the good way of doing this - 
    should I just post a timer event with a zero timeout value or do something else?

Regards,

- Alex***********************************************************************
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