Re: [PATCH 1/1] mm: introduce process_reap system call

[Florian Weimer <fweimer@redhat.com>]

* Suren Baghdasaryan:

> The API is as follows,
>
>           int process_reap(int pidfd, unsigned int flags);
>
>         DESCRIPTION
>           The process_reap() system call is used to free the memory of a
>           dying process.
>
>           The pidfd selects the process referred to by the PID file
>           descriptor.
>           (See pidofd_open(2) for further information)
>
>           The flags argument is reserved for future use; currently, this
>           argument must be specified as 0.
>
>         RETURN VALUE
>           On success, process_reap() returns 0. On error, -1 is returned
>           and errno is set to indicate the error.

I think the manual page should mention what it means for a process to be
“dying”, and how to move a process to this state.

Thanks,
Florian