[libvirt] [PATCH 0/4] vz: rework domain creation

[Maxim Nestratov]

10.02.2016 12:39, Mikhail Feoktistov пишет:
> Patches 1 and 2 make preparation for patch 4
>
> Patch 3 fixes notification subscription
> To get domain info we should receive and handle notification from hypervisor
>
> Patch 4 fixes race condition when adding domain to domains list
> Race condition:
> User calls defineXML to create new instance.
> The main thread from vzDomainDefineXMLFlags() creates new instance by prlsdkCreateVm.
> Then this thread calls prlsdkAddDomain to add new domain to domains list.
> The second thread receives notification from hypervisor that new VM was created.
> It calls prlsdkHandleVmAddedEvent() and also tries to add new domain to domains list.
> These two threads call virDomainObjListFindByUUID() from prlsdkAddDomain() and don't find new domain.
> So they add two domains with the same uuid to domains list.
>
> Mikhail Feoktistov (4):
>    vz: make output arguments in prlsdkGetDomainIds as optional
>    vz: remove unused struct field
>    vz: fix notification subscription
>    vz: fix race condition when adding domain to domains list
>
>   src/vz/vz_driver.c |  13 ++-
>   src/vz/vz_sdk.c    | 261 ++++++++++++++++++++++-------------------------------
>   src/vz/vz_sdk.h    |   7 +-
>   src/vz/vz_utils.c  |  44 +++++++++
>   src/vz/vz_utils.h  |   5 +-
>   5 files changed, 174 insertions(+), 156 deletions(-)
>
ACKed and pushed. Thank you.

Best,
Maxim