[libvirt] [PATCH] event: ignore attempts to replace the event loop impl

[Andrea Bolognani]

On Fri, 2017-09-01 at 13:49 +0100, Daniel P. Berrange wrote:
> Although not previously explicitly documented, the expectation for
> the libvirt event loop is that an implementation is registered early
> in application startup, before calling any libvirt APIs and then
> run forever after. Replacing a previously registered event loop is
> not safe & subject to races even if virConnectClose has been called
> on open handles, due to delayed deregistration of callbacks during
> conenction close.
> 
> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> ---
>  src/util/virevent.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

Reviewed-by: Andrea Bolognani <abologna at redhat.com>

-- 
Andrea Bolognani / Red Hat / Virtualization