Re: [PATCH] events: Don't fail on registering events for two different domains

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On 06/27/2012 08:22 AM, Michal Privoznik wrote:
> On 27.06.2012 14:12, Michal Privoznik wrote:
>> virConnectDomainEventRegisterAny() takes a domain as an argument.
>> So it should be possible to register the same event (be it
>> VIR_DOMAIN_EVENT_ID_LIFECYCLE for example) for two different domains.
>> That is, we need to take domain into account when searching for
>> duplicate event being already registered.
>> ---
>>  src/conf/domain_event.c |    6 +++++-
>>  1 files changed, 5 insertions(+), 1 deletions(-)
>>
>> diff --git a/src/conf/domain_event.c b/src/conf/domain_event.c
>> index 4ecc413..3cfd940 100644
>> --- a/src/conf/domain_event.c
>> +++ b/src/conf/domain_event.c
>> @@ -363,7 +363,11 @@ virDomainEventCallbackListAddID(virConnectPtr conn,
>>      for (i = 0 ; i < cbList->count ; i++) {
>>          if (cbList->callbacks[i]->cb == VIR_DOMAIN_EVENT_CALLBACK(callback) &&
>>              cbList->callbacks[i]->eventID == eventID &&
>> -            cbList->callbacks[i]->conn == conn) {
>> +            cbList->callbacks[i]->conn == conn &&
>> +            ((dom && cbList->callbacks[i]->dom &&
>> +              memcmp(cbList->callbacks[i]->dom->uuid,
>> +                     dom->uuid, VIR_UUID_BUFLEN) == 0) ||
>> +             (!dom && !cbList->callbacks[i]->dom))) {
>>              eventReportError(VIR_ERR_INTERNAL_ERROR, "%s",
>>                               _("event callback already tracked"));
>>              return -1;
>>
> 
> So after all - ACK or NACK?

ACK - I think we agreed that current behavior of allowing both global
and per-domain simultaneous registration is fine, and this preserves
that ability.

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



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