rickey c weisner wrote: > On Fri, Jul 10, 2009 at 10:48:29AM -0500, Bob Friesenhahn wrote: > > On Fri, 10 Jul 2009, Roland Mainz wrote: > >>> > >>> Some applications may misbehave or lock-up if the size of the pipe > >>> buffer is changed. > >> > >> Erm... why ? > > > > You have already noticed that the size is hard-coded in Solaris > > applications (by PIPE_BUF) since the dawn of time. Pipes offer > > properties such as atomic reads and writes. PIPE_BUF declares the > > maximum size of an atomic write. Some applications depend on this FIFO > > behavior for message passing. > > > > You should feel happy that Solaris is using 5120 rather than 512 like > > FreeBSD. > > You can push a bufmod on the fifo
Do you have any code example for this ? > and use messages up to the maximum > streams message size. What is the maximum STREAMS message size ? Is this value itself a tuneable ? ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) roland.ma...@nrubsig.org \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 3992797 (;O/ \/ \O;) _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
