[src/trunk]: src/lib/libc/sys Man page for _lwp_gettid(2).

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/92795b6ab0f8
branches:  trunk
changeset: 970835:92795b6ab0f8
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Apr 04 20:31:11 2020 +0000

description:
Man page for _lwp_gettid(2).

(Not yet installed, pending adding the libc stub.)

diffstat:

 lib/libc/sys/_lwp_gettid.2 |  62 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 62 insertions(+), 0 deletions(-)

diffs (66 lines):

diff -r 0740fefb7975 -r 92795b6ab0f8 lib/libc/sys/_lwp_gettid.2
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libc/sys/_lwp_gettid.2        Sat Apr 04 20:31:11 2020 +0000
@@ -0,0 +1,62 @@
+.\"    $NetBSD: _lwp_gettid.2,v 1.1 2020/04/04 20:31:11 thorpej Exp $
+.\"
+.\" Copyright (c) 2020 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Jason R. Thorpe.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd March 31, 2020
+.Dt _LWP_GETTID 2
+.Os
+.Sh NAME
+.Nm _lwp_gettid
+.Nd get light-weight process global thread ID
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In lwp.h
+.Ft lwpid_t
+.Fn _lwp_gettid void
+.Sh DESCRIPTION
+.Fn _lwp_gettid
+returns the global thread ID of the calling LWP.
+The relationship between this value and the value returned by
+.Fn _lwp_self
+is undefined;
+the only guarantee is that the value returned by
+.Fn _lwp_gettid
+is unique in the system.
+.Sh ERRORS
+The
+.Fn _lwp_gettid
+function is always successful, and no return value is reserved to indicate
+an error.
+.Sh SEE ALSO
+.Xr _lwp_self 2
+.Sh HISTORY
+The
+.Fn _lwp_gettid
+system call first appeared in
+.Nx 10.0 .