[libvirt] [PATCH] events: Don't fail on registering events for two different domains
Michal Privoznik
mprivozn at redhat.com
Wed Jun 27 14:33:05 UTC 2012
On 27.06.2012 16:26, Eric Blake wrote:
> 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.
>
Okay, pushed then. Thanks!
Michal
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