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Re: [libvirt] [PATCH] Fix deadlock in handling EOF in LXC monitor

On 09/26/2012 08:34 AM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange redhat com>
> Depending on the scenario in which LXC containers exit, it is
> possible for the EOF callback of the LXC monitor to deadlock
> the driver. When the driver calls virLXCMonitorClose, there
> is really no need for the EOF callback to be invoked in this
> case, since the caller can easily handle events itself.
> In changing this, the monitor needs to take a deep copy of
> the callback list, not merely a reference.
> Also adds debug statements in various places to aid
> troubleshooting
> Signed-off-by: Daniel P. Berrange <berrange redhat com>
> ---
>  src/lxc/lxc_monitor.c | 32 ++++++++++++++++++++++----------
>  src/lxc/lxc_process.c |  6 +++++-
>  2 files changed, 27 insertions(+), 11 deletions(-)


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

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