SIGUSR1 to xinit

Kalev Soikonen ksop at
Mon Oct 28 13:28:45 CET 2013

On Sun, Oct 27, 2013 at 10:10:35AM -0700, Alan Coopersmith wrote:
> Is there any way to tell when a new PID namespace is in use?  Because
> if someone started the X server from inittab, killing init would be bad.

SIGUSR1 to init ought to be harmless. In any case, RunFromSmartParent won't
be true when launched from system init since init does not start a process
with ignored SIGUSR1, and this is what X detects.


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