acct man page on OpenBSD

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ACCT(2)			  OpenBSD Programmer's Manual		       ACCT(2)

     acct - enable or disable process accounting

     #include <unistd.h>

     acct(const char *file);

     The acct() call enables or disables the collection of system accounting
     records.  If file is NULL, accounting is disabled.	 If file is an
     existing, NUL-terminated pathname, record collection is enabled and for
     every process initiated which terminates under normal conditions an
     accounting record is appended to file.  Abnormal conditions of
     termination are reboots or other fatal system problems.  Records for
     processes which never terminate cannot be produced by acct().  acct() is
     only available on kernels compiled with the ACCOUNTING option.

     For more information on the record structure used by acct(), see
     /usr/include/sys/acct.h and acct(5).

     This call is permitted only to the superuser.

     Accounting is automatically disabled when the file system the accounting
     file resides on runs out of space; it is enabled when space once again
     becomes available.

     On success, zero is returned.  Otherwise, -1 is returned and errno is set
     to indicate the error.

     acct() will fail if one of the following is true:

     [EPERM]	   The caller is not the superuser.

     [ENOTDIR]	   A component of the path prefix is not a directory.

		   A component of a pathname exceeded {NAME_MAX} characters,
		   or an entire path name exceeded {PATH_MAX} characters.

     [ENOENT]	   The named file does not exist.

     [EACCES]	   Search permission is denied for a component of the path
		   prefix, or the path name is not a regular file.

     [ELOOP]	   Too many symbolic links were encountered in translating the

     [EROFS]	   The named file resides on a read-only file system.

     [EFAULT]	   file points outside the process's allocated address space.

     [EIO]	   An I/O error occurred while reading from or writing to the
		   file system.

     acct(5), accton(8), sa(8)

     An acct() function call appeared in Version 7 AT&T UNIX.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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