1.\" $OpenBSD: acct.2,v 1.8 2000/10/18 05:12:08 aaron Exp $ 2.\" $NetBSD: acct.2,v 1.6 1995/02/27 12:31:47 cgd Exp $ 3.\" 4.\" Copyright (c) 1980, 1991, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, 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.\" @(#)acct.2 8.1 (Berkeley) 6/4/93 36.\" 37.Dd June 4, 1993 38.Dt ACCT 2 39.Os 40.Sh NAME 41.Nm acct 42.Nd enable or disable process accounting 43.Sh SYNOPSIS 44.Fd #include <unistd.h> 45.Ft int 46.Fn acct "const char *file" 47.Sh DESCRIPTION 48The 49.Fn acct 50call enables or disables the collection of system accounting records. 51If 52.Fa file 53is 54.Dv NULL , 55accounting is disabled. 56If 57.Fa file 58is an existing, null-terminated pathname, record collection is enabled 59and for every process initiated which terminates under normal conditions 60an accounting record is appended to 61.Fa file . 62Abnormal conditions of termination are reboots or other 63fatal system problems. 64Records for processes which never terminate can not be produced by 65.Fn acct . 66.Pp 67For more information on the record structure used by 68.Fn acct , 69see 70.Pa /usr/include/sys/acct.h 71and 72.Xr acct 5 . 73.Pp 74This call is permitted only to the superuser. 75.Sh NOTES 76Accounting is automatically disabled when the file system the 77accounting file resides on runs out of space; it is enabled when 78space once again becomes available. 79.Sh RETURN VALUES 80On error \-1 is returned. 81The file must exist and the call may be exercised only by the superuser. 82.Sh ERRORS 83.Fn acct 84will fail if one of the following is true: 85.Bl -tag -width Er 86.It Bq Er EPERM 87The caller is not the superuser. 88.It Bq Er ENOTDIR 89A component of the path prefix is not a directory. 90.It Bq Er ENAMETOOLONG 91A component of a pathname exceeded 92.Dv {NAME_MAX} 93characters, or an entire path name exceeded 94.Dv {PATH_MAX} 95characters. 96.It Bq Er ENOENT 97The named file does not exist. 98.It Bq Er EACCES 99Search permission is denied for a component of the path prefix, 100or the path name is not a regular file. 101.It Bq Er ELOOP 102Too many symbolic links were encountered in translating the pathname. 103.It Bq Er EROFS 104The named file resides on a read-only file system. 105.It Bq Er EFAULT 106.Fa file 107points outside the process's allocated address space. 108.It Bq Er EIO 109An I/O error occurred while reading from or writing to the file system. 110.El 111.Sh SEE ALSO 112.Xr acct 5 , 113.Xr accton 8 , 114.Xr sa 8 115.Sh HISTORY 116An 117.Fn acct 118function call appeared in 119.At v7 . 120