Michael Crosby 831a41b958 Fix process locking and state management ... There were races with the way process states. This displayed in ways, especially around pausing the container for atomic operations. Users would get errors like, cannnot delete container in paused state and such. This can be eaisly reproduced with `docker` and the following command: ```bash > (for i in `seq 1 25`; do id=$(docker create alpine usleep 50000);docker start $id;docker commit $id;docker wait $id;docker rm $id; done) ``` This two issues that this fixes are: * locks must be held by the owning process, not the state operations. * If a container ends up being paused but before the operation completes, the process exists, make sure we resume the container before setting the the process as exited. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>		2018-11-09 11:40:37 -05:00
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proc.go	Fix process locking and state management	2018-11-09 11:40:37 -05:00