1.\" $NetBSD: _lwp_getprivate.2,v 1.3 2003/04/16 13:34:50 wiz Exp $ 2.\" 3.\" Copyright (c) 2003 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Jason R. Thorpe of Wasabi Systems, Inc. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd January 16, 2003 38.Dt _LWP_GETPRIVATE 2 39.Os 40.Sh NAME 41.Nm _lwp_getprivate , 42.Nm _lwp_setprivate 43.Nd get and set light-weight process private data 44.Sh LIBRARY 45.Lb libc 46.Sh SYNOPSIS 47.In lwp.h 48.Ft void * 49.Fn _lwp_getprivate void 50.Ft void 51.Fn _lwp_setprivate "void *ptr" 52.Sh DESCRIPTION 53.Fn _lwp_setprivate 54stores the pointer to private data 55.Fa ptr 56in a location private to the LWP. 57.Pp 58.Fn _lwp_getprivate 59returns the pointer to private data for the LWP. 60.Sh ERRORS 61The 62.Fn _lwp_getprivate 63and 64.Fn _lwp_setprivate 65functions are always successful, and no return value is reserved to indicate 66an error. 67.Sh SEE ALSO 68.Xr _lwp_makecontext 3 69.Sh HISTORY 70The 71.Fn _lwp_getprivate 72and 73.Fn _lwp_setprivate 74system calls first appeared in 75.Nx 2.0 . 76