From: Andreas Voellmy <andreas.voel...@gmail.com> Subject: Re: I/O manager: relying solely upon kqueue is not a safe way to go Date: Sat, 16 Mar 2013 10:29:26 -0400
> Note also that no implementations of kqueue >> support monitoring writability of regular file writes, which also >> endangers the current use of kqueue-based I/O manager namely >> "threadWaitWrite". >> > > Are you sure about this? Do you have any example program demonstrating > this? I just took your kqueue-poll-select.cpp program and tested > registering a file for a write event (i.e. changing EVFILT_READ to > EVFILT_WRITE, POLLIN to POLLOUT, and use writefds rather than readfds) and > it works fine on a file: Sorry, I just read that in man pages in all platforms but it turned out that most implementations actually supoprt that. Here's my updated program: https://gist.github.com/phonohawk/5169980#file-kqueue-poll-select-cpp NetBSD 6.99.17 is the only platform that prohibits waiting on regular file writes: https://gist.github.com/phonohawk/5169980#file-x86_64-unknown-netbsd6-99-17-txt _______________________________________________________ - PHO - http://cielonegro.org/ OpenPGP public key: 1024D/1A86EF72 Fpr: 5F3E 5B5F 535C CE27 8254 4D1A 14E7 9CA7 1A86 EF72
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