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OpenSolaris 2009.06 - man page for acct (opensolaris section 2)

acct(2) 							   System Calls 							   acct(2)

NAME
acct - enable or disable process accounting
SYNOPSIS
#include <unistd.h> int acct(const char *path);
DESCRIPTION
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 process 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 have the appropriate privileges. The path argument points to the pathname of the accounting file, whose file format is described on the acct.h(3HEAD) manual page. The accounting routine is enabled if path is non-zero and no errors occur during the function. It is disabled if path is (char *)NULL and no errors occur during the function.
RETURN VALUES
Upon successful completion, 0 is returned. Otherwise, -1 is returned and errno is set to indicate the error.
ERRORS
The acct() function will fail if: EACCES 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. EFAULT The path argument points to an illegal address. ELOOP Too many symbolic links were encountered in translating path. ENAMETOOLONG 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. ENOENT One or more components of the accounting file pathname do not exist. ENOTDIR A component of the path prefix is not a directory. EPERM The {PRIV_SYS_ACCT} privilege is not asserted in the effective set of the calling process. EROFS The named file resides on a read-only file system.
SEE ALSO
exit(2), acct.h(3HEAD), signal(3C), privileges(5) SunOS 5.11 20 Jan 2003 acct(2)