Le 17/11/2011 17:13, Michal Hocko a écrit :
On Thu 17-11-11 11:14:53, Tomasz Buchert wrote:
Hi,
I'm trying to understand now why I did that change in
2d3cbf8bc (the bug itself was in the if-the-else clause in
update_if_frozen , anyway).
Well, when I look at this now I think that there is nothing wrong
with your patch.
You can try my testcases from 2d3cbf8bc and 0bdba580, but it should be ok.
Yes, I have tried it before sending the patch.
One thing I am not sure completely of is the following situation. So
the group is frozen
with the STOPPED task inside. There are few questions:
* if you send SIGCONT to the task now, will it wake up?
No, it will enter refrigerator and wake up on thawing the group. Check
out `goto relock' after do_signal_stop returns.
I've checked your patch empirically few hours before :).
Also I've read get_signal_to_deliver() and you are right - it's gonna be
fine.
The decision is not mine, of course, but I suggest to merge it.
Good work!
Tomek
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