svn commit: r301159 - head/lib/libc/sys
Mariusz Zaborski
oshogbo at FreeBSD.org
Wed Jun 1 19:49:39 UTC 2016
Author: oshogbo
Date: Wed Jun 1 19:49:38 2016
New Revision: 301159
URL: https://svnweb.freebsd.org/changeset/base/301159
Log:
Document behavior of wait introduced in the r286698.
Suggested by: glebius
Reviewed by: wblock, bjk
Differential Revision: https://reviews.freebsd.org/D6080
Modified:
head/lib/libc/sys/wait.2
Modified: head/lib/libc/sys/wait.2
==============================================================================
--- head/lib/libc/sys/wait.2 Wed Jun 1 18:46:54 2016 (r301158)
+++ head/lib/libc/sys/wait.2 Wed Jun 1 19:49:38 2016 (r301159)
@@ -28,7 +28,7 @@
.\" @(#)wait.2 8.2 (Berkeley) 4/19/94
.\" $FreeBSD$
.\"
-.Dd December 3, 2013
+.Dd June 1, 2016
.Dt WAIT 2
.Os
.Sh NAME
@@ -596,6 +596,14 @@ and
fields of
.Fa infop
must be checked against zero to determine if a process reported status.
+.Pp
+.Fn wait
+called with -1 to wait for any child process will ignore a child that is
+referenced by a process descriptor (see
+.Xr pdfork 2 ) .
+Specific processes can still be waited on by specifying the process ID
+or descriptor (see
+.Xr pdwait 4 ) .
.Sh ERRORS
The
.Fn wait
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