RE: [PATCH v3] Implement /proc/pid/kill

From: David Laight
Date: Thu Nov 01 2018 - 07:33:32 EST


From: Daniel Colascione
> Sent: 31 October 2018 19:33
...
> You can't do it today with kill. The idea that keeping a open file
> descriptor to a /proc/pid or a file within it prevents PID reuse is
> widespread, but incorrect.

Is there a real good reason why that shouldn't be the case?
ie Holding a reference on the 'struct pid' being enough to stop reuse.

A patch to do that would be more generally useful.

David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)