Eric W. Biederman 82058d6684 signal: Use group_send_sig_info to kill all processes in a pid namespace ...

Replace send_sig_info in zap_pid_ns_processes with
group_send_sig_info.  This makes more sense as the entire process
group is being killed.  More importantly this allows the kill of those
processes with PIDTYPE_MAX to indicate all of the process in the pid
namespace are being signaled.  This is needed for fork to detect when
signals are sent to a group of processes.

Admittedly fork has another case to catch SIGKILL but the principle remains
that it is desirable to know when a group of processes is being signaled.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

2018-09-16 16:08:25 +02:00

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