1.\" $NetBSD: _lwp_getprivate.2,v 1.4 2008/04/30 13:10:51 martin 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.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd January 16, 2003 31.Dt _LWP_GETPRIVATE 2 32.Os 33.Sh NAME 34.Nm _lwp_getprivate , 35.Nm _lwp_setprivate 36.Nd get and set light-weight process private data 37.Sh LIBRARY 38.Lb libc 39.Sh SYNOPSIS 40.In lwp.h 41.Ft void * 42.Fn _lwp_getprivate void 43.Ft void 44.Fn _lwp_setprivate "void *ptr" 45.Sh DESCRIPTION 46.Fn _lwp_setprivate 47stores the pointer to private data 48.Fa ptr 49in a location private to the LWP. 50.Pp 51.Fn _lwp_getprivate 52returns the pointer to private data for the LWP. 53.Sh ERRORS 54The 55.Fn _lwp_getprivate 56and 57.Fn _lwp_setprivate 58functions are always successful, and no return value is reserved to indicate 59an error. 60.Sh SEE ALSO 61.Xr _lwp_makecontext 3 62.Sh HISTORY 63The 64.Fn _lwp_getprivate 65and 66.Fn _lwp_setprivate 67system calls first appeared in 68.Nx 2.0 . 69