Re: kevent(2) watching mmap'ed files via EVFILT

Re: kevent(2) watching mmap'ed files via EVFILT_VNODE

This is a discussion on Re: kevent(2) watching mmap'ed files via EVFILT_VNODE within the mailing.openbsd.tech forums, part of the OpenBSD category; --> > using both mmap and read/write on the same file is not exactly coherent > with the current buffer ...

		Unix Technical Forum > Unix Operating Systems > OpenBSD > mailing.openbsd.tech
Re: kevent(2) watching mmap'ed files via EVFILT_VNODE

#1 (permalink)

02-18-2008, 08:21 AM

Srebrenko Sehic

Posts: n/a

Re: kevent(2) watching mmap'ed files via EVFILT_VNODE

> using both mmap and read/write on the same file is not exactly coherent
> with the current buffer cache design. you can jump the hoops and put
> all kinds of *sync() confettee around but still be not sure.

In other words, a program A can't be notified via kevent(2) if a
program B changes a mmap'ed file?

« Re: kevent(2) watching mmap'ed files via EVFILT_VNODE | Re: kevent(2) watching mmap'ed files via EVFILT_VNODE »

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are On Pingbacks are On Refbacks are On

Forum Jump

All times are GMT. The time now is 01:25 AM.