1.\" Copyright (c) 2005 Robert N. M. Watson 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd June 11, 2005 28.Os 29.Dt LIBTHR 3 30.Sh NAME 31.Nm libthr 32.Nd "alternative POSIX threads library" 33.Sh LIBRARY 34.Lb libthr 35.Sh SYNOPSIS 36.In pthread.h 37.Sh DESCRIPTION 38The 39.Nm 40library provides an alternative 1:1 implementation of the 41.Xr pthread 3 42library interfaces for application threading. 43While applications may be linked directly against 44.Nm , 45system administrators are offered maximum flexibility by linking against 46.Xr pthread 3 , 47as they can then use 48.Xr libmap.conf 5 49to select the threading implementation on a per-application basis. 50.Pp 51The 52.Nm 53library 54has been optimized for use by applications expecting system scope thread 55semantics, and can provide significant performance improvements. 56.Sh SEE ALSO 57.Xr pthread 3 58.Sh AUTHORS 59.An -nosplit 60The 61.Nm 62library 63was originally created by 64.An "Jeff Roberson" Aq jeff@FreeBSD.org , 65and enhanced by 66.An "Jonathan Mini" Aq mini@FreeBSD.org 67and 68.An "Mike Makonnen" Aq mtm@FreeBSD.org . 69It has been substantially rewritten and optimized by 70.An "David Xu" Aq davidxu@FreeBSD.org . 71