PR/54786 CVS commit: src/sys

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

The following reply was made to PR kern/54786; it has been noted by GNATS.

From: "Kamil Rytarowski" <kamil%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/54786 CVS commit: src/sys
Date: Mon, 6 Apr 2020 08:20:05 +0000

 Module Name:	src
 Committed By:	kamil
 Date:		Mon Apr  6 08:20:05 UTC 2020
 
 Modified Files:
 	src/sys/kern: kern_exec.c kern_fork.c kern_proc.c kern_sig.c
 	src/sys/sys: proc.h
 
 Log Message:
 Reintroduce struct proc::p_oppid
 
 Relying on p_opptr is not safe as there is a race between:
  - spawner giving a birth to a child process and being killed
  - spawnee accessng p_opptr and reporting TRAP_CHLD
 
 PR kern/54786 by Andreas Gustafsson
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.494 -r1.495 src/sys/kern/kern_exec.c
 cvs rdiff -u -r1.220 -r1.221 src/sys/kern/kern_fork.c
 cvs rdiff -u -r1.242 -r1.243 src/sys/kern/kern_proc.c
 cvs rdiff -u -r1.386 -r1.387 src/sys/kern/kern_sig.c
 cvs rdiff -u -r1.361 -r1.362 src/sys/sys/proc.h
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.