[CRIU] [PATCH v2 1/3] cr-restore: "post-resume" hook introduced
Pavel Emelyanov
xemul at virtuozzo.com
Tue Apr 12 02:11:23 PDT 2016
On 04/12/2016 12:04 PM, Pavel Emelyanov wrote:
> On 04/06/2016 01:08 PM, Stanislav Kinsburskiy wrote:
>> This hook is called at the very end, when everything is restored and processes
>> were resumed.
>> Can be used for some actions, which require operation container, like
>> restarting of systemd autofs services.
>>
>> v2:
>> Resmove code chunk, escaped from debugging
>>
>> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
>> ---
>> criu/action-scripts.c | 1 +
>> criu/cr-restore.c | 4 ++++
>> criu/include/action-scripts.h | 1 +
>> 3 files changed, 6 insertions(+)
>>
>> diff --git a/criu/action-scripts.c b/criu/action-scripts.c
>> index 05aa9d0..b1f7952 100644
>> --- a/criu/action-scripts.c
>> +++ b/criu/action-scripts.c
>> @@ -20,6 +20,7 @@ static const char *action_names[ACT_MAX] = {
>> [ ACT_NET_UNLOCK ] = "network-unlock",
>> [ ACT_SETUP_NS ] = "setup-namespaces",
>> [ ACT_POST_SETUP_NS ] = "post-setup-namespaces",
>> + [ ACT_POST_RESUME ] = "post-resume",
>> };
>>
>> int run_scripts(enum script_actions act)
>> diff --git a/criu/cr-restore.c b/criu/cr-restore.c
>> index 0720c07..2b11b71 100644
>> --- a/criu/cr-restore.c
>> +++ b/criu/cr-restore.c
>> @@ -2198,6 +2198,10 @@ static int restore_root_task(struct pstree_item *init)
>> if (!opts.restore_detach && !opts.exec_cmd)
>> wait(NULL);
>>
>> + ret = run_scripts(ACT_POST_RESUME);
>> + if (ret != 0)
>> + pr_err("Post-resume script ret code %d\n", ret);
>
> I guess this hook is better to run before we may stuck in the wait(NULL) above.
Ah, this was addressed in v3 series. I withdraw this comment.
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