[libvirt] [PATCHv2 09/14] event: properly filter count of remaining events

Eric Blake eblake at redhat.com
Tue Jan 7 18:16:53 UTC 2014

On 01/07/2014 08:48 AM, John Ferlan wrote:
> On 01/06/2014 05:27 PM, Eric Blake wrote:
>> On the surface, this sequence of API calls should succeed:
>> id1 = virConnectDomainEventRegisterAny(..., VIR_DOMAIN_EVENT_ID_LIFECYCLE,...);
>> id2 = virConnectDomainEventRegisterAny(..., VIR_DOMAIN_EVENT_ID_RTC_CHANGE,...);
>> virConnectDomainEventDeregisterAny(id1);
>> id1 = virConnectDomainEventRegisterAny(..., VIR_DOMAIN_EVENT_ID_LIFECYCLE,...);
>> And for test:///default, it does.  But for qemu:///system, it fails:
>> libvirt: XML-RPC error : internal error: domain event 0 already registered

> Strangely enough - I was going to remark about the usage of 'deleted' in
> the previous patch deleted code as being a bit unusual..

Yep - part of the inconsistency was whether the various open-coded
iterations considered or skipped deleted callbacks; having all the code
go through a common function sure helps in understanding what is going on.



Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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