[erlang-questions] Status of kqueue on FreeBSD

Rickard Green <>
Wed Apr 18 14:52:18 CEST 2007

Oscar Hellström wrote:
> Hi,
> I've understood that kqueue support is disabled on FreeBSD due to issues 
> with (at least) pipes. I've also forced Erlang to build with kqueue 
> support on FreeBSD and are experiencing weird behaviors.

Kqueue's EVFILT_READ didn't always trigger when writing on a pipe with 
writev (depending on the buffer sizes used) on FreeBSD.

> I cannot find much on this issue on the web though, is this an ERTS 
> issue or a FreeBSD issue?


> Is there work going on to solve it etc?

Not at OTP.

> Best Regards

Rickard Green, Erlang/OTP, Ericsson AB:

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