[libvirt] Re: [PATCH 2/6] Introduce monitor 'wait' command (v2)
aliguori at us.ibm.com
Wed Apr 8 18:43:37 UTC 2009
Anthony Liguori wrote:
> The wait command will pause the monitor the command was issued in until a new
> event becomes available. Events are queued if there isn't a waiter present.
> The wait command completes after a single event is available.
> Today, we queue events indefinitely but in the future, I suspect we'll drop
> events that are older than a certain amount of time to avoid infinitely
> allocating memory for long running VMs.
> To make use of the new notification mechanism, this patch introduces a
> qemu_notify_event() API. This API takes three parameters: a class which is
> meant to classify the type of event being generated, a name which is meant to
> distinguish which event in the class that has been generated, and a details
> parameters which is meant to allow events to send arbitrary data with a given
> - Added a -d flag to poll for events instead of waiting
> - Made old events expire after 10 minutes
Shame on me. I meant to rename wait/poll to wait_event/poll_event.
It'll be in v3.
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