On 02-01-2023 17:13, Greg Troxel wrote:
> O
> Olivier Dion via General Guile related discussions <guile-user@gnu.org>
> writes:
> 
>> I haven't use fibers a lot, but I think that if you ever need to handle
>> asynchronous I/O, for now you should stick with fibers.  Also, fibers
>> was written by peoples that have a way better understanding of Guile
>> internal then I do, so I would expect it to be better in some areas.  It
>> also use epoll(2) instead of select(2), which is way better for events
>> listening.  I will make the change once Guile has native support for
>> epoll(2).  I currently only use select(2) for listening on
>> timerfd_create(2) timers to handle sleeps of userspace threads, so the
>> impact is marginal.
> 
> epoll is as I understand it linux only so that's not a reasonable
> dependency.   fibers now works with libevent which wraps multiple
> faclilities and is thus pretty portable.
> 

Guile-Fibers still uses epoll on Linux, on other systems it uses libevent.

Greetings,
Maxime.