--- /dev/null
+/* Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_ACCT_H
+#define _SYS_ACCT_H 1
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <endian.h>
+#include <bits/types/time_t.h>
+
+__BEGIN_DECLS
+
+#define ACCT_COMM 16
+
+/*
+ comp_t is a 16-bit "floating" point number with a 3-bit base 8
+ exponent and a 13-bit fraction. See linux/kernel/acct.c for the
+ specific encoding system used.
+*/
+
+typedef uint16_t comp_t;
+
+struct acct
+{
+ char ac_flag; /* Flags. */
+ uint16_t ac_uid; /* Real user ID. */
+ uint16_t ac_gid; /* Real group ID. */
+ uint16_t ac_tty; /* Controlling terminal. */
+ uint32_t ac_btime; /* Beginning time. */
+ comp_t ac_utime; /* User time. */
+ comp_t ac_stime; /* System time. */
+ comp_t ac_etime; /* Elapsed time. */
+ comp_t ac_mem; /* Average memory usage. */
+ comp_t ac_io; /* Chars transferred. */
+ comp_t ac_rw; /* Blocks read or written. */
+ comp_t ac_minflt; /* Minor pagefaults. */
+ comp_t ac_majflt; /* Major pagefaults. */
+ comp_t ac_swaps; /* Number of swaps. */
+ uint32_t ac_exitcode; /* Process exitcode. */
+ char ac_comm[ACCT_COMM+1]; /* Command name. */
+ char ac_pad[10]; /* Padding bytes. */
+};
+
+
+struct acct_v3
+{
+ char ac_flag; /* Flags */
+ char ac_version; /* Always set to ACCT_VERSION */
+ uint16_t ac_tty; /* Control Terminal */
+ uint32_t ac_exitcode; /* Exitcode */
+ uint32_t ac_uid; /* Real User ID */
+ uint32_t ac_gid; /* Real Group ID */
+ uint32_t ac_pid; /* Process ID */
+ uint32_t ac_ppid; /* Parent Process ID */
+ uint32_t ac_btime; /* Process Creation Time */
+ float ac_etime; /* Elapsed Time */
+ comp_t ac_utime; /* User Time */
+ comp_t ac_stime; /* System Time */
+ comp_t ac_mem; /* Average Memory Usage */
+ comp_t ac_io; /* Chars Transferred */
+ comp_t ac_rw; /* Blocks Read or Written */
+ comp_t ac_minflt; /* Minor Pagefaults */
+ comp_t ac_majflt; /* Major Pagefaults */
+ comp_t ac_swaps; /* Number of Swaps */
+ char ac_comm[ACCT_COMM]; /* Command Name */
+};
+
+
+enum
+ {
+ AFORK = 0x01, /* Has executed fork, but no exec. */
+ ASU = 0x02, /* Used super-user privileges. */
+ ACORE = 0x08, /* Dumped core. */
+ AXSIG = 0x10 /* Killed by a signal. */
+ };
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define ACCT_BYTEORDER 0x80 /* Accounting file is big endian. */
+#else
+# define ACCT_BYTEORDER 0x00 /* Accounting file is little endian. */
+#endif
+
+#define AHZ 100
+
+
+/* Switch process accounting on and off. */
+extern int acct (const char *__filename) __THROW;
+
+__END_DECLS
+
+#endif /* sys/acct.h */