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author | mpp <mpp@FreeBSD.org> | 1996-04-15 21:37:07 +0000 |
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committer | mpp <mpp@FreeBSD.org> | 1996-04-15 21:37:07 +0000 |
commit | 3ad2f69a9f86d650939c1e04a98ee4f59675af43 (patch) | |
tree | 7de1e4760c533b2fc1176aaecf83fd0885582931 /share/man/man9/fetch.9 | |
parent | 78748acfc60b88987b419de1eada1d6b9828a33b (diff) | |
download | FreeBSD-src-3ad2f69a9f86d650939c1e04a98ee4f59675af43.zip FreeBSD-src-3ad2f69a9f86d650939c1e04a98ee4f59675af43.tar.gz |
Add man pages for the copy*, fetch*, and store* families of
kernel functions.
Also added timeout(9) to the makefile.
Reviewed by: joerg
Obtained from: NetBSD
Diffstat (limited to 'share/man/man9/fetch.9')
-rw-r--r-- | share/man/man9/fetch.9 | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/share/man/man9/fetch.9 b/share/man/man9/fetch.9 new file mode 100644 index 0000000..6e9ab58 --- /dev/null +++ b/share/man/man9/fetch.9 @@ -0,0 +1,85 @@ +.\" $NetBSD: fetch.9,v 1.2 1996/01/09 21:59:24 perry Exp $ +.\" +.\" Copyright (c) 1996 Jason R. Thorpe. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed by Kenneth Stailey. +.\" +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed for the NetBSD Project +.\" by Jason R. Thorpe. +.\" 4. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 Jan 7, 1996 +.Dt FETCH 9 +.Os FreeBSD +.Sh NAME +.Nm fetch , +.Nm fubyte , +.Nm fusword , +.Nm fuswintr , +.Nm fuword +.Nd fetch data from user-space +.Sh SYNOPSIS +.Fd #include <sys/types.h> +.Fd #include <sys/systm.h> +.Ft int +.Fn fubyte "void *base" +.Ft int +.Fn fusword "void *base" +.Ft int +.Fn fuswintr "void *base" +.Ft int +.Fn fuword "void *base" +.Sh DESCRIPTION +The +.Nm +functions are designed to copy small amounts of data from user-space. +.Pp +The +.Nm +routines provide the following functionality: +.Bl -tag -width "fuswintr()" +.It Fn fubyte +Fetches a byte of data from the user-space address +.Pa base . +.It Fn fusword +Fetches a short word of data from the user-space address +.Pa base . +.It Fn fuswintr +Fetches a short word of data from the user-space address +.Pa base . +This function is safe to call during an interrupt context. +.It Fn fuword +Fetches a word of data from the user-space address +.Pa base . +.El +.Sh RETURN VALUES +The +.Nm +functions return the data fetched or -1 on failure. +.Sh SEE ALSO +.Xr copy 9 , +.Xr store 9 . |