acct - enable or disable process accounting
int acct(const char *path);
The acct() function enables or disables the system process
accounting routine. If the routine is enabled, an accounting
record will be written in an accounting file for each pro-
cess that terminates. The termination of a process can be
caused by either an exit(2) call or a signal(3C)). The
effective user ID of the process calling acct() must be
The path argument points to the pathname of the accounting
file, whose file format is described on the acct(3HEAD)
The accounting routine is enabled if path is non-zero and no
errors occur during the function. It is disabled if path is
and no errors occur during the function.
Upon successful completion, 0 is returned. Otherwise, -1 is
returned and errno is set to indicate the error.
The acct() function will fail if:
The file named by path is not an ordinary file.
EBUSY An attempt is being made to enable accounting using
the same file that is currently being used.
The path argument points to an illegal address.
ELOOP Too many symbolic links were encountered in translat-
The length of the path argument exceeds PATH_MAX, or
the length of a path argument exceeds NAME_MAX while
_POSIX_NO_TRUNC is in effect.
One or more components of the accounting file pathname
do not exist.
A component of the path prefix is not a directory.
EPERM The effective user of the calling process is not
EROFS The named file resides on a read-only file system.
exit(2), signal(3C), acct(3HEAD)
Man(1) output converted with