From: Ben Gras Date: Sun, 27 Jun 2010 15:40:06 +0000 (+0000) Subject: statvfs manpage. X-Git-Tag: v3.1.8~331 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/doxygen.log?a=commitdiff_plain;h=6ef440c03b9e2fcfa651a8e11fad6aa845f07473;p=minix.git statvfs manpage. --- diff --git a/man/man2/Makefile b/man/man2/Makefile index 47eec1ff6..d61605f0b 100644 --- a/man/man2/Makefile +++ b/man/man2/Makefile @@ -5,7 +5,7 @@ MAN= access.2 alarm.2 brk.2 chdir.2 chmod.2 chown.2 chroot.2 \ mknod.2 mount.2 open.2 pause.2 pipe.2 ptrace.2 read.2 \ readlink.2 reboot.2 rename.2 rmdir.2 select.2 setsid.2 \ setuid.2 sigaction.2 sigpending.2 sigprocmask.2 \ - sigsuspend.2 stat.2 svrctl.2 symlink.2 sync.2 time.2 \ + sigsuspend.2 stat.2 statvfs.2 svrctl.2 symlink.2 sync.2 time.2 \ times.2 truncate.2 umask.2 uname.2 unlink.2 utime.2 \ wait.2 write.2 diff --git a/man/man2/statvfs.2 b/man/man2/statvfs.2 new file mode 100644 index 000000000..505ead513 --- /dev/null +++ b/man/man2/statvfs.2 @@ -0,0 +1,133 @@ +.\" $NetBSD: statvfs.2,v 1.4 2005/11/04 06:09:20 gendalia Exp $ +.\" +.\" Copyright (c) 1989, 1991, 1993 +.\" 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. 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. +.\" +.\" @(#)statfs.2 8.5 (Berkeley) 5/24/95 +.\" +.Dd April 14, 2004 +.Dt STATVFS 2 +.Os +.Sh NAME +.Nm statvfs , +.Nm fstatvfs , +.Nd get file system statistics +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In sys/statvfs.h +.Ft int +.Fn statvfs "const char *path" "struct statvfs *buf" +.Ft int +.Fn fstatvfs "int fd" "struct statvfs *buf" +.Sh DESCRIPTION +.Fn statvfs +returns information about a mounted file system. +.Fa path +is the path name of any file within the mounted file system. +.Fa buf +is a pointer to a +.Nm statvfs +structure defined in +.Xr statvfs 5 . +.Pp +.Fn fstatvfs +returns the same information about an open file referenced by descriptor +.Fa fd . +.Pp +.Sh RETURN VALUES +Upon successful completion, a value of 0 is returned. +Otherwise, \-1 is returned and the global variable +.Va errno +is set to indicate the error. +.Sh ERRORS +.Fn statvfs +fails if one or more of the following are true: +.Bl -tag -width Er +.It Bq Er ENOTDIR +A component of the path prefix of +.Fa path +is not a directory. +.It Bq Er ENAMETOOLONG +The length of a component of +.Fa path +exceeds +.Dv NAME_MAX +characters, or the length of +.Fa path +exceeds +.Dv PATH_MAX +characters. +.It Bq Er ENOENT +The file referred to by +.Fa path +does not exist. +.It Bq Er EACCES +Search permission is denied for a component of the path prefix of +.Fa path . +.It Bq Er ELOOP +Too many symbolic links were encountered in translating +.Fa path . +.It Bq Er EFAULT +.Fa buf +or +.Fa path +points to an invalid address. +.It Bq Er EIO +An +.Tn I/O +error occurred while reading from or writing to the file system. +.El +.Pp +.Fn fstatvfs +fails if one or more of the following are true: +.Bl -tag -width Er +.It Bq Er EBADF +.Fa fd +is not a valid open file descriptor. +.It Bq Er EFAULT +.Fa buf +points to an invalid address. +.It Bq Er EIO +An +.Tn I/O +error occurred while reading from or writing to the file system. +.El +.Sh SEE ALSO +.Xr statvfs 5 +.Sh HISTORY +The +.Fn statvfs , +and +.Fn fstatvfs , +functions first appeared in +.Nx 3.0 +to replace +the +.Fn statfs +family of functions which first appeared in +.Bx 4.4 .