Date: Sun, 11 Aug 2019 15:47:48 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r350861 - head/lib/libc/sys Message-ID: <201908111547.x7BFlm8X085763@repo.freebsd.org>
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Author: kib Date: Sun Aug 11 15:47:48 2019 New Revision: 350861 URL: https://svnweb.freebsd.org/changeset/base/350861 Log: wait(2): clarify reparenting of children of the exiting process. Point to the existence of reapers and mention that init is the default reaper. Sponsored by: The FreeBSD Foundation MFC after: 3 days Modified: head/lib/libc/sys/wait.2 Modified: head/lib/libc/sys/wait.2 ============================================================================== --- head/lib/libc/sys/wait.2 Sun Aug 11 15:44:36 2019 (r350860) +++ head/lib/libc/sys/wait.2 Sun Aug 11 15:47:48 2019 (r350861) @@ -28,7 +28,7 @@ .\" @(#)wait.2 8.2 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd October 24, 2018 +.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 @@ -648,6 +652,7 @@ 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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