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Document behavior of wait introduced in the r286698.

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Suggested by:		glebius
Reviewed by:		wblock, bjk
Differential Revision:	https://reviews.freebsd.org/D6080
This commit is contained in:
Mariusz Zaborski 2016-06-01 19:49:38 +00:00
parent e6b775f48f
commit eaf7c645b3
1 changed files with 9 additions and 1 deletions
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10
lib/libc/sys/wait.2
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@ -28,7 +28,7 @@
.\" @(#)wait.2 8.2 (Berkeley) 4/19/94 .\" @(#)wait.2 8.2 (Berkeley) 4/19/94
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd December 3, 2013 .Dd June 1, 2016
.Dt WAIT 2 .Dt WAIT 2
.Os .Os
.Sh NAME .Sh NAME
@ -596,6 +596,14 @@ and
fields of fields of
.Fa infop .Fa infop
must be checked against zero to determine if a process reported status. 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 .Sh ERRORS
The The
.Fn wait .Fn wait