[Devel] Re: [PATCH 7/7] [PATCH] Define clone_with_pids syscall
Serge E. Hallyn
serue at us.ibm.com
Wed May 27 11:19:31 PDT 2009
Quoting Sukadev Bhattiprolu (sukadev at linux.vnet.ibm.com):
>
> From: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
> Date: Mon, 4 May 2009 01:17:45 -0700
> Subject: [PATCH 7/7] [PATCH] Define clone_with_pids syscall
>
> clone_with_pids() is same as clone(), except that it takes a 'target_pid_set'
> paramter which lets caller choose a specific pid number for the child process
> in each of the child process's pid namespace. This system call would be needed
> to implement Checkpoint/Restart (i.e after a checkpoint, restart a process with
> its original pids).
I think you should point out here that CAP_SYS_ADMIN is needed
to use the syscall, so unprivileged tasks can't use this to try to
play games with /var/run/*.pid.
...
> Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
Acked-by: Serge Hallyn <serue at us.ibm.com>
-serge
_______________________________________________
Containers mailing list
Containers at lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers
More information about the Devel
mailing list