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c44598
2006 Mar 10
12
[PATCH] Add SCHEDOP_block_on
This patch adds a facility to block on a particular event channel, for
when a domain needs to block, but cannot enable interrupts. A domain
uses the call something like this:
while (1) {
clear_evtchn_pending(evtchn);
if (check_for_data(evtchn))
break;
HYPERVISOR_block_on(evtchn);
}
The clear of the pending is needed to ensure that any subsequent calls
to block_on() don''t