121 lines
3.9 KiB
Groff
121 lines
3.9 KiB
Groff
.\" Copyright (c) 1980, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)acct.2 8.1 (Berkeley) 6/4/93
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.\" $FreeBSD$
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.\"
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.Dd June 4, 1993
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.Dt ACCT 2
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.Os
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.Sh NAME
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.Nm acct
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.Nd enable or disable process accounting
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In unistd.h
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.Ft int
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.Fn acct "const char *file"
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.Sh DESCRIPTION
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The
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.Fn acct
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system call enables or disables the collection of system accounting
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records.
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If the argument
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.Fa file
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is a nil pointer, accounting is disabled.
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If
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.Fa file
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is an
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.Em existing
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pathname (null-terminated), record collection is enabled and for
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every process initiated which terminates under normal
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conditions an accounting record is appended to
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.Fa file .
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Abnormal conditions of termination are reboots
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or other fatal system problems.
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Records for processes which never terminate cannot be
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produced by
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.Fn acct .
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.Pp
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For more information on the record structure used by
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.Fn acct ,
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see
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.Pa /usr/include/sys/acct.h
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and
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.Xr acct 5 .
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.Pp
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This call is permitted only to the super-user.
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.Sh NOTES
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Accounting is automatically disabled when the file system the
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accounting file resides on runs out of space; it is enabled when
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space once again becomes available.
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.Sh RETURN VALUES
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On error -1 is returned.
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The file must exist and the call may be exercised only by the super-user.
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.Sh ERRORS
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The
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.Fn acct
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system call will fail if one of the following is true:
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.Bl -tag -width Er
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.It Bq Er EPERM
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The caller is not the super-user.
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.It Bq Er ENOTDIR
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A component of the path prefix is not a directory.
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.It Bq Er ENAMETOOLONG
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A component of a pathname exceeded 255 characters,
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or an entire path name exceeded 1023 characters.
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.It Bq Er ENOENT
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The named file does not exist.
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.It Bq Er EACCES
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Search permission is denied for a component of the path prefix,
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or the path name is not a regular file.
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.It Bq Er ELOOP
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Too many symbolic links were encountered in translating the pathname.
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.It Bq Er EROFS
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The named file resides on a read-only file system.
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.It Bq Er EFAULT
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The
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.Fa file
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argument
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points outside the process's allocated address space.
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.It Bq Er EIO
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An I/O error occurred while reading from or writing to the file system.
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.El
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.Sh SEE ALSO
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.Xr acct 5 ,
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.Xr sa 8
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.Sh HISTORY
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The
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.Fn acct
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function appeared in
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.At v7 .
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