81 lines
2.5 KiB
Groff
81 lines
2.5 KiB
Groff
.\" $NetBSD: curproc.9,v 1.5 2010/07/01 15:12:31 wiz Exp $
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Gregory McGarry.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd July 1, 2010
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.Dt CURPROC 9
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.Os
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.Sh NAME
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.Nm curproc ,
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.Nm curcpu ,
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.Nm curlwp
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.Nd current process, processor, and
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.Tn LWP
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.Sh SYNOPSIS
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.In sys/proc.h
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.Ft struct cpu_info *
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.Fn curcpu "void"
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.Ft struct proc *
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.Fn curproc "void"
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.Ft struct lwp *
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.Fn curlwp "void"
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.Sh DESCRIPTION
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The following macros can be used to retrieve
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the current processor, process, and light-weight process
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.Pq Tn LWP ,
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respectively:
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.Bl -enum -offset indent
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.It
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The machine-dependent
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.Fn curcpu
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macro returns a pointer to a
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.Em cpu_info
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structure containing information of the
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.Tn CPU
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that this thread is running on.
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.It
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The machine-independent
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.Fn curproc
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macro refers to a pointer to the process currently running on this
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.Tn CPU .
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.It
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The
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.Fn curlwp
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macro expands to a pointer to
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.Em lwp
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structure, containing information about the current
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.Tn LWP .
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This macro is machine-independent,
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but machine-dependent
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.In machine/cpu.h
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may redefine it.
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.El
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.Sh SEE ALSO
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.Xr cpu_number 9 ,
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.Xr proc_find 9
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