1.\" $NetBSD: store.9,v 1.2 1996/01/09 21:59:27 perry Exp $ 2.\" 3.\" Copyright (c) 1996 Jason R. Thorpe. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed by Kenneth Stailey. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed for the NetBSD Project 19.\" by Jason R. Thorpe. 20.\" 4. The name of the author may not be used to endorse or promote products 21.\" derived from this software without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 28.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" $FreeBSD: src/share/man/man9/store.9,v 1.7.2.4 2001/12/17 11:30:19 ru Exp $ 36.\" 37.Dd December 16, 2004 38.Dt STORE 9 39.Os 40.Sh NAME 41.Nm store , 42.Nm subyte , 43.Nm suibyte , 44.Nm suiword , 45.Nm sulong , 46.Nm suulong , 47.Nm suword 48.Nd store data to user-space 49.Sh SYNOPSIS 50.In sys/types.h 51.In sys/time.h 52.In sys/systm.h 53.In sys/resourcevar.h 54.Ft int 55.Fo subyte 56.Fa "user_addr_t addr" 57.Fa "int byte" 58.Fc 59.Ft int 60.Fo suibyte 61.Fa "user_addr_t addr" 62.Fa "int byte" 63.Fc 64.Ft int 65.Fo suiword 66.Fa "user_addr_t addr" 67.Fa "int word" 68.Fc 69.Ft int 70.Fo sulong 71.Fa "user_addr_t addr" 72.Fa "int64_t longword" 73.Fc 74.Ft int 75.Fo suulong 76.Fa "user_addr_t addr" 77.Fa "uint64_t longword" 78.Fc 79.Ft int 80.Fo suword 81.Fa "user_addr_t addr" 82.Fa "int word" 83.Fc 84.Sh DESCRIPTION 85The 86.Nm 87functions are designed to copy small amounts of data to user-space. 88.Pp 89The 90.Nm 91routines provide the following functionality: 92.Bl -tag -width "suibyte()" 93.\" ======== 94.It Fn subyte 95Stores a byte of data to the user-space address 96.Pa addr . 97.\" ======== 98.It Fn suibyte 99Stores a byte of data to the user-space address 100.Pa addr . 101This function is safe to call during an interrupt context. 102.\" ======== 103.It Fn suiword 104Stores a word of data to the user-space address 105.Pa addr . 106This function is safe to call during an interrupt context. 107.\" ======== 108.It Fn sulong 109Stores a long word of data to the user-space address 110.Pa addr . 111.\" ======== 112.It Fn suulong 113Stores a unsigned long word of data to the user-space address 114.Pa addr . 115.\" ======== 116.It Fn suword 117Stores a word of data to the user-space address 118.Pa addr . 119.El 120.Sh RETURN VALUES 121The 122.Nm 123functions return 0 on success or -1 on failure. 124.Sh SEE ALSO 125.Xr copy 9 , 126.Xr fetch 9 127