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connector: Added coredumping event to the process connector

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Process connector can now also detect coredumping events.

Main aim of patch is get notified at start of coredumping, instead of
having to wait for it to finish and then being notified through EXIT
event.

Could be used for instance by process-managers that want to get
notified as soon as possible about process failures, and not
necessarily beeing notified after coredump, which could be in the
order of minutes depending on size of coredump, piping and so on.

Signed-off-by: Jesper Derehag <jderehag@hotmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Derehag 2013-03-19 20:50:05 +00:00 • committed by David S. Miller
parent 800c644bcd
commit 2b5faa4c55
4 changed files with 40 additions and 1 deletions
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10
include/uapi/linux/cn_proc.h
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@ -56,7 +56,9 @@ struct proc_event {
PROC_EVENT_PTRACE = 0x00000100,
PROC_EVENT_COMM = 0x00000200,
/* "next" should be 0x00000400 */
/* "last" is the last process event: exit */
/* "last" is the last process event: exit,
* while "next to last" is coredumping event */
PROC_EVENT_COREDUMP = 0x40000000,
PROC_EVENT_EXIT = 0x80000000
} what;
__u32 cpu;
@ -110,11 +112,17 @@ struct proc_event {
char comm[16];
} comm;
struct coredump_proc_event {
__kernel_pid_t process_pid;
__kernel_pid_t process_tgid;
} coredump;
struct exit_proc_event {
__kernel_pid_t process_pid;
__kernel_pid_t process_tgid;
__u32 exit_code, exit_signal;
} exit;
} event_data;
};