qio: Change qwait to throw errors
authorBarret Rhoden <brho@cs.berkeley.edu>
Thu, 16 Jul 2015 17:22:02 +0000 (13:22 -0400)
committerBarret Rhoden <brho@cs.berkeley.edu>
Fri, 24 Jul 2015 07:05:13 +0000 (03:05 -0400)
commitb85afc9b3dee28ea653103a97fb0f14849bf4534
treee6544789e3748d84b9ca869b33ba07b00081a713
parentccbba19dfbaca09570b85f464da8e807df42b705
qio: Change qwait to throw errors

It was always capable of throwing errors, for instance on a rendez_sleep
that is cancelled.  For real errors, like the multiple eof reads, we'll
actually throw an error.
kern/src/ns/qio.c