On 1/11/22 17:42, Damien Miller wrote: > On Tue, 11 Jan 2022, Demi Marie Obenour wrote: > >>> Wow, it looks like Darwin's poll(2) is completely broken for >>> character- special devices (at least). E.g. the attached program >>> spins shows similar behaviour when run on /dev/null - it spins, >>> returning revents=POLLNVAL. >> >> Is using kqueue(2) an option? That’s faster, and it doesn’t have the >> problem with large file descriptors that poll(2) has. > > No, because it's not cross-platform and I don't want to have to maintain > multiple mainloops (believe me, one is more than enough). It would have > been really nice if the OSS Unix-like operating systems has standardised > on one event notification; kqueue and epoll are both fine. > > Also, it seems like the OS X kqueue(2) implementation suffers from the > same bug anyway. I suspect that this is the root cause, and that their > poll(2) is built on top of kqueue(2). What about filtering out file descriptors belonging to /dev files? -- Sincerely, Demi Marie Obenour (she/her/hers)
Attachment:
OpenPGP_0xB288B55FFF9C22C1.asc
Description: OpenPGP public key
Attachment:
OpenPGP_signature
Description: OpenPGP digital signature
_______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
