Cope with races while killing processes
Cope with races while killing processes

When systemd is involved in managing processes, it may start
killing off & tearing down croups associated with the process
while we're still doing virCgroupKillPainfully. We must
explicitly check for ENOENT and treat it as if we had finished
killing processes

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

libvirt/libvirt,agx/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,eskultety/libvirt,fabianfreyer/libvirt,taget/libvirt,VenkatDatta/libvirt,elmarco/libvirt,rlaager/libvirt,datto/libvirt,rlaager/libvirt,agx/libvirt,crobinso/libvirt,cbosdo/libvirt,nertpinx/libvirt,rlaager/libvirt,nertpinx/libvirt,jardasgit/libvirt,andreabolognani/libvirt,jfehlig/libvirt,jardasgit/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt,andreabolognani/libvirt,datto/libvirt,cbosdo/libvirt,shugaoye/libvirt,zippy2/libvirt,taget/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,zhlcindy/libvirt-1.1.4-maintain,nertpinx/libvirt,crobinso/libvirt,VenkatDatta/libvirt,crobinso/libvirt,jfehlig/libvirt,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,taget/libvirt,VenkatDatta/libvirt,taget/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,nertpinx/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,crobinso/libvirt,agx/libvirt,zippy2/libvirt,olafhering/libvirt,rlaager/libvirt,elmarco/libvirt,shugaoye/libvirt,eskultety/libvirt,cbosdo/libvirt,datto/libvirt,libvirt/libvirt,datto/libvirt,taget/libvirt,zippy2/libvirt,cbosdo/libvirt,eskultety/libvirt,elmarco/libvirt,shugaoye/libvirt,shugaoye/libvirt,libvirt/libvirt,andreabolognani/libvirt,zippy2/libvirt,jardasgit/libvirt,cbosdo/libvirt,libvirt/libvirt,elmarco/libvirt,olafhering/libvirt,jfehlig/libvirt,jardasgit/libvirt,olafhering/libvirt,elmarco/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,fabianfreyer/libvirt,eskultety/libvirt,agx/libvirt,jfehlig/libvirt,fabianfreyer/libvirt