69 lines
2.4 KiB
Groff
69 lines
2.4 KiB
Groff
|
.\" $NetBSD: sa_stacks.2,v 1.6 2004/12/12 05:56:45 snj Exp $
|
||
|
.\"
|
||
|
.\" Copyright (c)2004 YAMAMOTO Takashi,
|
||
|
.\" All rights reserved.
|
||
|
.\"
|
||
|
.\" Redistribution and use in source and binary forms, with or without
|
||
|
.\" modification, are permitted provided that the following conditions
|
||
|
.\" are met:
|
||
|
.\" 1. Redistributions of source code must retain the above copyright
|
||
|
.\" notice, this list of conditions and the following disclaimer.
|
||
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
||
|
.\" notice, this list of conditions and the following disclaimer in the
|
||
|
.\" documentation and/or other materials provided with the distribution.
|
||
|
.\"
|
||
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
.\" SUCH DAMAGE.
|
||
|
.\"
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Dd December 12, 2004
|
||
|
.Dt SA_STACKS 2
|
||
|
.Os
|
||
|
.Sh NAME
|
||
|
.Nm sa_stacks
|
||
|
.Nd register scheduler activation upcall stacks
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Sh LIBRARY
|
||
|
.Lb libc
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Sh SYNOPSIS
|
||
|
.In sa.h
|
||
|
.Ft int
|
||
|
.Fn sa_stacks \
|
||
|
"int num" \
|
||
|
"stack_t *stacks"
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Sh DESCRIPTION
|
||
|
.Fn sa_stacks
|
||
|
is used to register scheduler activation upcall stacks.
|
||
|
.Fa stacks
|
||
|
is an array of
|
||
|
.Fa num
|
||
|
of
|
||
|
.Vt stack_t .
|
||
|
.Pp
|
||
|
An upcall handler should be registered by
|
||
|
.Fn sa_register
|
||
|
beforehand.
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Sh RETURN VALUES
|
||
|
On success,
|
||
|
.Fn sa_stacks
|
||
|
returns the number of stacks registered.
|
||
|
Otherwise, a value of \-1 is returned and
|
||
|
.Va errno
|
||
|
is set to indicate the error.
|
||
|
.\" ------------------------------------------------------------
|
||
|
.Sh SEE ALSO
|
||
|
.Xr sa_register 2 ,
|
||
|
.Xr pthread 3
|