Flavio Castelli 7f83ef43de docker daemon: create file containing PID ...

Ensure the docker daemon creates a file containing its PID under
/var/run/docker.pid.

The daemon takes care of removing the pid file when it receives either
SIGTERM, SIGINT or SIGKILL.

The daemon also refuses to start when the pidfile is found. An
explanation message is shown to the user when this happens.

This change is required to make docker easier to manage by tools like
checkproc which rely on this information.
Upstream-commit: fb0b375be70e79eaa8349143dceef048db6e0e19
Component: engine

2013-04-11 21:41:08 +02:00

components/engine

docker daemon: create file containing PID

2013-04-11 21:41:08 +02:00

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