-.\" $OpenBSD: intro.2,v 1.70 2021/01/03 18:10:27 rob Exp $
+.\" $OpenBSD: intro.2,v 1.71 2022/12/19 03:49:42 guenther Exp $
.\" $NetBSD: intro.2,v 1.6 1995/02/27 12:33:41 cgd Exp $
.\"
.\" Copyright (c) 1980, 1983, 1986, 1991, 1993
.\"
.\" @(#)intro.2 8.3 (Berkeley) 12/11/93
.\"
-.Dd $Mdocdate: January 3 2021 $
+.Dd $Mdocdate: December 19 2022 $
.Dt INTRO 2
.Os
.Sh NAME
writing (reading).
.It Er 10 ECHILD Em "\&No child processes" .
A
-.Xr wait 2
+.Xr wait 2 ,
+.Xr waitid 2 ,
or
.Xr waitpid 2
function was executed by a process that had no existing or unwaited-for
-.\" $OpenBSD: pthread_testcancel.3,v 1.16 2014/08/31 20:23:10 guenther Exp $
+.\" $OpenBSD: pthread_testcancel.3,v 1.17 2022/12/19 03:49:42 guenther Exp $
.\"
.\"
.\" David Leonard, 1999. Public Domain.
.\"
-.Dd $Mdocdate: August 31 2014 $
+.Dd $Mdocdate: December 19 2022 $
.Dt PTHREAD_TESTCANCEL 3
.Os
.Sh NAME
.Fn pause ,
.Fn poll ,
.Fn pread ,
+.Fn pselect ,
.Fn pthread_cond_timedwait ,
.Fn pthread_cond_wait ,
.Fn pthread_join ,
.Fn system ,
.Fn tcdrain ,
.Fn wait ,
+.Fn waitid ,
.Fn waitpid ,
.Fn write ,
.Fn writev .
.Fn ppoll ,
.Fn preadv ,
.Fn pwritev ,
+.Fn recvmmsg ,
+.Fn sendmmsg ,
.Fn wait3 ,
.Fn wait4 .
.Sh RETURN VALUES