1.\" Copyright (c) 2007 The DragonFly Project. All rights reserved. 2.\" 3.\" This code is derived from software contributed to The DragonFly Project 4.\" by Simon 'corecode' Schubert <corecode@fs.ei.tum.de> 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in 14.\" the documentation and/or other materials provided with the 15.\" distribution. 16.\" 3. Neither the name of The DragonFly Project nor the names of its 17.\" contributors may be used to endorse or promote products derived 18.\" from this software without specific, prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" $DragonFly: src/lib/libc/sys/lwp_gettid.2,v 1.1 2007/03/12 21:07:42 corecode Exp $ 34.\" 35.Dd March 12, 2007 36.Dt LWP_GETTID 2 37.Os 38.Sh NAME 39.Nm lwp_gettid 40.Nd get calling lwp identification 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In sys/lwp.h 45.Ft lwpid_t 46.Fn lwp_gettid "void" 47.Sh DESCRIPTION 48The 49.Fn lwp_gettid 50function returns the lwp id of the calling lwp. 51.Sh ERRORS 52The 53.Fn lwp_gettid 54function is always successful and no return value is reserved 55to indicate an error. 56.Sh SEE ALSO 57.Xr getpid 2 , 58.Xr getppid 2 , 59.Xr lwp_create 2 60.Sh HISTORY 61The 62.Fn lwp_gettid 63function first appeared in 64.Dx 1.9 . 65