I suppose (but didn't check) that there are web servers like nginx
http://nginx.org/en/docs/events.html that use it as well if the header file is detected .. Basically epoll seems like a useful addition in Illumos and the valgrind support for epoll is basically already there, it just must be enabled then for OpenIndiana. ----- Op 11 apr 2021 om 9:27 schreef Vincent Torri [email protected]: > On Sun, Apr 11, 2021 at 8:33 AM [email protected] <[email protected]> wrote: >> >> >> I wonder whether there are many packages using epoll at all. > > I know that Enlightenment is using epoll. Aurelien will have more > informations about this. > > regards > > Vincent Torri > > >> I happen to see this now because the configure script of squeak-5, >> finds /usr/include/sys/epoll.h and enables it. >> >> And it works. Also if you compile some of the sample epoll servers on the >> internet, >> such as: >> >> https://gist.github.com/reterVision/8300781 >> >> copy paste to sample-epoll.c and compile it , it works and if you run it >> under >> valgrind, >> you can reproduce the problem easily. >> >> The valgrind source code has a syswrap-linux.c file, >> which supports epoll and epoll_ctl as linux specific calls. >> >> So I could copy/paste the code from syswrap-linux.c and use it in >> syswrap-solaris.c. >> >> However does OpenIndiana really have to ship /usr/include/sys/epoll.h ? >> >> The sys/epoll.h header file could be split from SUNWcs package, >> and provided in an optional header file package for epoll compatibility. >> >> There are some implications to shipping the header file sys/epoll.h by >> default. >> >> Also the docs (manpage) itself of illumos is a little bit sceptical or >> critical >> of epoll. >> >> It writes : >> >> . In particular, the Linux epoll facility will -- by design >> -- continue to generate events for closed file descriptors where/when >> the >> underlying file description remains open. For example, if one were to >> fork(2) and >> >> https://illumos.org/man/5/epoll >> >> I can add that this seems to be happening in the Smalltalk community, >> and that the Smalltalk developer who added epoll support is working on a >> solution for that, >> which hits all platforms that use epoll. >> >> >> So I'm not 100% sure using epoll is a good idea, although it is an >> interesting >> improvement. >> >> >> Also is it a decision of OpenIndiana to support epoll or could OpenIndiana >> just >> remove/split that part from Illumos, >> and make it optional ? >> >> _______________________________________________ >> oi-dev mailing list >> [email protected] >> https://openindiana.org/mailman/listinfo/oi-dev > > _______________________________________________ > oi-dev mailing list > [email protected] > https://openindiana.org/mailman/listinfo/oi-dev _______________________________________________ oi-dev mailing list [email protected] https://openindiana.org/mailman/listinfo/oi-dev
