implement O_NONBLOCK for /proc/xen/xenbus
authorPaolo Bonzini <pbonzini@redhat.com>
Wed, 23 Jun 2010 16:30:15 +0000 (18:30 +0200)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Mon, 26 Jul 2010 17:05:05 +0000 (10:05 -0700)
This patch implements O_NONBLOCK for /proc/xen/xenbus.  It is a simple
matter of returning -EAGAIN instead of waiting on a queue.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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