svn commit: r351016 - stable/11/lib/libc/sys
Konstantin Belousov
kib at FreeBSD.org
Wed Aug 14 09:42:16 UTC 2019
Author: kib
Date: Wed Aug 14 09:42:16 2019
New Revision: 351016
URL: https://svnweb.freebsd.org/changeset/base/351016
Log:
MFC r350861:
wait(2): clarify reparenting of children of the exiting process.
Modified:
stable/11/lib/libc/sys/wait.2
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/lib/libc/sys/wait.2
==============================================================================
--- stable/11/lib/libc/sys/wait.2 Wed Aug 14 09:41:30 2019 (r351015)
+++ stable/11/lib/libc/sys/wait.2 Wed Aug 14 09:42:16 2019 (r351016)
@@ -28,7 +28,7 @@
.\" @(#)wait.2 8.2 (Berkeley) 4/19/94
.\" $FreeBSD$
.\"
-.Dd June 1, 2016
+.Dd August 11, 2019
.Dt WAIT 2
.Os
.Sh NAME
@@ -511,8 +511,12 @@ A status of 0 indicates normal termination.
.Pp
If a parent process terminates without
waiting for all of its child processes to terminate,
-the remaining child processes are assigned the parent
-process 1 ID (the init process ID).
+the remaining child processes are re-assigned to the reaper
+of the exiting process as the parent, see
+.Xr procctl 2
+.Dv PROC_REAP_ACQUIRE .
+If no specific reaper was assigned, the process with ID 1, the init process,
+becomes the parent of the orphaned children by default.
.Pp
If a signal is caught while any of the
.Fn wait
@@ -650,6 +654,7 @@ do not specify a valid set of processes.
.El
.Sh SEE ALSO
.Xr _exit 2 ,
+.Xr procctl 2 ,
.Xr ptrace 2 ,
.Xr sigaction 2 ,
.Xr exit 3 ,
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