Re: [9fans] tcp!

[erik quanstrom <quanstro@quanstro.net>]

> This looks like a good idea for tcp.  But there are other
> users of qread, with stricter assumptions.  Aren't you in danger
> of breaking the contract of pipe(3) which uses qwrite/qread:
>
>           Writes are atomic up to a certain size, typically 32768
>           bytes, that is, each write will be delivered in a single
>           read by the recipient, provided the receiving buffer is
>           large enough.

this change only applies to Qcoalesce queues.

the only users of Qcoalesce are the kprintoq and tcp.  both
should be okay with this change.

; g qopen port/devpipe.c
port/devpipe.c:68: 	p->q[0] = qopen(conf.pipeqsize, 0, 0, 0);
port/devpipe.c:73: 	p->q[1] = qopen(conf.pipeqsize, 0, 0, 0);

- erik