1.\" $NetBSD: curproc.9,v 1.5 2010/07/01 15:12:31 wiz Exp $ 2.\" 3.\" Copyright (c) 2002 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Gregory McGarry. 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 July 1, 2010 31.Dt CURPROC 9 32.Os 33.Sh NAME 34.Nm curproc , 35.Nm curcpu , 36.Nm curlwp 37.Nd current process, processor, and 38.Tn LWP 39.Sh SYNOPSIS 40.In sys/proc.h 41.Ft struct cpu_info * 42.Fn curcpu "void" 43.Ft struct proc * 44.Fn curproc "void" 45.Ft struct lwp * 46.Fn curlwp "void" 47.Sh DESCRIPTION 48The following macros can be used to retrieve 49the current processor, process, and light-weight process 50.Pq Tn LWP , 51respectively: 52.Bl -enum -offset indent 53.It 54The machine-dependent 55.Fn curcpu 56macro returns a pointer to a 57.Em cpu_info 58structure containing information of the 59.Tn CPU 60that this thread is running on. 61.It 62The machine-independent 63.Fn curproc 64macro refers to a pointer to the process currently running on this 65.Tn CPU . 66.It 67The 68.Fn curlwp 69macro expands to a pointer to 70.Em lwp 71structure, containing information about the current 72.Tn LWP . 73This macro is machine-independent, 74but machine-dependent 75.In machine/cpu.h 76may redefine it. 77.El 78.Sh SEE ALSO 79.Xr cpu_number 9 , 80.Xr proc_find 9 81