acct(2) acct(2)
acct - enable or disable process accounting
#include <unistd.h>
int acct(const char *path);
acct 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 one of two things: an exit call or a signal [see exit(2) and
signal(2)]. The calling process must have the capability CAP_ACCT_MGT
(see capabilities(4) ) in its effective set to enable or disable
accounting.
path points to a pathname naming the accounting file. The accounting
file format is given in acct(4).
The accounting routine is enabled if path is non-zero and no errors occur
during the system call. It is disabled if path is (char *)NULL and no
errors occur during the system call.
acct will fail if one or more of the following are true:
EACCES The file named by path is not an ordinary file.
EACCES Search permission is denied on a component of the
path prefix.
EACCES Write permission on the name file is denied.
EBUSY An attempt is being made to enable accounting using
the same file that is currently being used.
EFAULT path 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 component exceeds {NAME_MAX}
while _POSIX_NO_TRUNC is in effect.
ENOTDIR A component of the path prefix is not a directory.
ENOENT One or more components of the accounting file
pathname do not exist.
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acct(2) acct(2)
EPERM The calling process does not have CAP_ACCT_MGT in its
effective set when trying to enable or disable
accounting.
EROFS The named file resides on a read-only file system.
exit(2), signal(2), acct(4),capabilities(4)
Upon successful completion, a value of 0 is returned. Otherwise, a value
of -1 is returned and errno is set to indicate the error.
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