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connector: add parent pid and tgid to coredump and exit events

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The intention is to get notified of process failures as soon
as possible, before a possible core dumping (which could be very long)
(e.g. in some process-manager). Coredump and exit process events
are perfect for such use cases (see 2b5faa4c55 "connector: Added
coredumping event to the process connector").

The problem is that for now the process-manager cannot know the parent
of a dying process using connectors. This could be useful if the
process-manager should monitor for failures only children of certain
parents, so we could filter the coredump and exit events by parent
process and/or thread ID.

Add parent pid and tgid to coredump and exit process connectors event
data.

Signed-off-by: Stefan Strogin <sstrogin@cisco.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Strogin 2018-05-01 01:04:29 +03:00 • committed by David S. Miller
parent e283de3a4f
commit b086ff8725
2 changed files with 8 additions and 0 deletions
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4
include/uapi/linux/cn_proc.h
View file

@ -116,12 +116,16 @@ struct proc_event {
struct coredump_proc_event {
__kernel_pid_t process_pid;
__kernel_pid_t process_tgid;
__kernel_pid_t parent_pid;
__kernel_pid_t parent_tgid;
} coredump;
struct exit_proc_event {
__kernel_pid_t process_pid;
__kernel_pid_t process_tgid;
__u32 exit_code, exit_signal;
__kernel_pid_t parent_pid;
__kernel_pid_t parent_tgid;
} exit;
} event_data;