int acct(const char *filename);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
acct(): _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
The acct() system call enables or disables process accounting. If
called with the name of an existing file as its argument, accounting is
turned on, and records for each terminating process are appended to
filename as it terminates. An argument of NULL causes accounting to be
On success, zero is returned. On error, -1 is returned, and errno is
EACCES Write permission is denied for the specified file, or search
permission is denied for one of the directories in the path pre-
fix of filename (see also path_resolution(7)), or filename is
not a regular file.
EFAULT filename points outside your accessible address space.
EIO Error writing to the file filename.
EISDIR filename is a directory.
ELOOP Too many symbolic links were encountered in resolving filename.
filename was too long.
ENFILE The system-wide limit on the total number of open files has been
ENOENT The specified filename does not exist.
ENOMEM Out of memory.
ENOSYS BSD process accounting has not been enabled when the operating
system kernel was compiled. The kernel configuration parameter
controlling this feature is CONFIG_BSD_PROCESS_ACCT.
A component used as a directory in filename is not in fact a
EPERM The calling process has insufficient privilege to enable process
accounting. On Linux the CAP_SYS_PACCT capability is required.
The structure of the records written to the accounting file is
described in acct(5).
This page is part of release 4.04 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
Linux 2015-12-28 ACCT(2)
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