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author | Peter Wemm <peter@FreeBSD.org> | 1997-03-11 11:29:42 +0000 |
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committer | Peter Wemm <peter@FreeBSD.org> | 1997-03-11 11:29:42 +0000 |
commit | 662909a7800d5634772b89ca1509765dda837508 (patch) | |
tree | 0c75a54cefdabd03ba1150eee41bfcf9114ca279 /lib/libc/gen/getvfsbyname.3 | |
parent | dee7a427ff9a7698892f2627df934be0b0d0432c (diff) | |
download | src-662909a7800d5634772b89ca1509765dda837508.tar.gz src-662909a7800d5634772b89ca1509765dda837508.zip |
Import CSRG 4.4BSD-Lite2 lib/libc onto vendor branch
Notes
Notes:
svn path=/vendor/CSRG/dist/; revision=23658
Diffstat (limited to 'lib/libc/gen/getvfsbyname.3')
-rw-r--r-- | lib/libc/gen/getvfsbyname.3 | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libc/gen/getvfsbyname.3 b/lib/libc/gen/getvfsbyname.3 new file mode 100644 index 000000000000..746d4df9d39c --- /dev/null +++ b/lib/libc/gen/getvfsbyname.3 @@ -0,0 +1,98 @@ +.\" Copyright (c) 1995 +.\" The Regents of the University of California. 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. +.\" +.\" @(#)kvm_getvfsbyname.3 8.3 (Berkeley) 5/4/95 +.\" +.Dd May 4, 1995 +.Dt GETVFSBYNAME 3 +.Os +.Sh NAME +.Nm getvfsbyname +.Nd get information about a filesystem +.Sh SYNOPSIS +.Fd #include <sys/types.h> +.Fd #include <sys/mount.h> +.Fd #include <kvm.h> +.br +.Ft int +.Fn getvfsbyname "const char *name" "struct vfsconf *vfc" +.Sh DESCRIPTION +The +.Fn getvfsbyname +function provides access to information about a +filesystem module that is configured in the kernel. +If successful, +the requested filesystem +.Fa vfsconf +is returned in the location pointed to by +.Nm vfc . +The fields in a +.Dq Li struct vfsconf +are defined as follows: +.Pp +.Bl -tag -compact -width vfc_refcount +.It vfc_name +the name of the filesystem +.It vfc_typenum +the filesystem type number assigned by the kernel +.It vfc_refcount +the number of active mount points using the filesystem +.It vfc_flags +flag bits that are used to initialize a new mount point +using the filesystem +.El +.Sh RETURN VALUES +If the call to +.Nm getvfsbyname +is successful, 0 is returned. +Otherwise \-1 is returned and +.Va errno +is set appropriately. +.Sh ERRORS +The following errors may be reported: +.Bl -tag -width Er +.It Bq Er EFAULT +The +.Fa vfc +pointer contains an invalid address. +.It Bq Er ENOENT +The +.Fa name +specifies a filesystem that is unknown or not configured in the kernel. +.Sh SEE ALSO +.Xr sysctl 1 , +.Xr mount 2 , +.Xr sysctl 3 , +.Xr mount 8 +.Sh HISTORY +A variant of the +.Fn getvfsbyname +function first appeared in FreeBSD 2.0. |