[CRIU] [PATCH 0/2] write pidfile before chdir /, if going daemon

Ruslan Kuprieiev kupruser at gmail.com
Fri Nov 1 06:51:33 PDT 2013


On 31.10.2013 16:32, Pavel Emelyanov wrote:
> On 10/31/2013 04:54 AM, Ruslan Kuprieiev wrote:
>> On 30.10.2013 16:30, Pavel Emelyanov wrote:
>>> On 10/30/2013 03:27 AM, Ruslan Kuprieiev wrote:
>>>> Now we're unable to use relative pidfile path with -d option, because
>>>> criu chdir to /, before writing pidfile. So lets go daemon without
>>>> chdiring to /, write pidfile(if needed) and chdir("/"), as well.
>>>>
>>>> Ruslan Kuprieiev (2):
>>>>     service: write pidfile before chdir to /, if going daemon
>>>>     page-server: write pidfile before chdir to /, if going daemon
>>>>
>>>>    cr-service.c | 14 +++++++++++++-
>>>>    page-xfer.c  | 19 ++++++++++++++++---
>>>>    2 files changed, 29 insertions(+), 4 deletions(-)
>>>>
>>> I wouldn't introduce such complexity, but made sure, that -D option
>>> works properly for daemon and pid file with relative path is put
>>> under -D.
>> -D with daemon means that daemon shouldn't chdir /, and should stay
>> where -D will point?
> Yes.
Btw, if I do this:
     criu check -D foodir -o foolog

logfile is created in foodir, and if I do this:
     criu check -o foolog -D foodir

logfile is created in current directory.
Is this a right behavior? Or should we resolve -o,--pidfile options and 
then, after processing all opts, do chdir?


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