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ACCT !!!ACCT ---- !!NAME acct - switch process accounting on or off !!SYNOPSIS __#include <unistd.h>__ __int acct(const char *__''filename''__); __ !!DESCRIPTION When called with the name of an existing file as argument, accounting is turned on, records for each terminating process are appended to ''filename'' as it terminates. An argument of __NULL__ causes accounting to be turned off. !!RETURN VALUE On success, zero is returned. On error, -1 is returned, and ''errno'' is set appropriately. !!ERRORS ;[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. ;[ENOMEM]: Out of memory. ;[EPERM]: The calling process has no permission to enable process accounting. ;[ENOENT]: The specified filename does not exist. ;[EACCES]: The argument ''filename'' is not a regular file. ;[EIO]: Error writing to the file ''filename''. ;[EUSERS]: There are no more free file structures or we run out of memory. !!CONFORMING TO SVr4 (but not POSIX). SVr4 documents EACCES, EBUSY, EFAULT, ELOOP, ENAMETOOLONG, ENOTDIR, ENOENT, EPERM and EROFS error conditions, but no ENOSYS. !!NOTES No accounting is produced for programs running when a crash occurs. In particular, nonterminating processes are never accounted for.
3 pages link to
acct(2)
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Man2a
acct(5)
syscalls(2)
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