[Linux-ha-dev] FIFOs, buffering, bugs, etc.
Wed, 7 Mar 2001 09:24:05 -0800
* Alan Robertson (firstname.lastname@example.org) wrote:
> email@example.com wrote:
> > First off, the fix is working. My straces are now much bigger as there is
> > one read for every character.
> You mean the BUG IS FINALLY FIXED??
hey, that's great! glad we got it going ;-)
> > My only remaining confusion about the topic is about the line buffering.
> > The setvbuf manpage doesn't really explain the difference between line
> > and full buffering.
> On output, I understand it completely. It means that every time you send a
> '\n' it does a flush. On input, I think I'm confused too.. I put it in
> probably out of wishful thinking, and knowing I didn't want full buffering,
> and not thinking too clearly.
line buffering on input is weird. for one thing...when you read from a
line buffered stream (??? and this requires a kernel read ???) all line
buffered output streams are required to be flushed, or something along
those lines (of course, same is true for reading from an unbuffered stream).