1 /* Copyright (C) 1996-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_ACCT_H 19 #define _SYS_ACCT_H 1 20 21 #include <sys/types.h> 22 #include <stdint.h> 23 #include <bits/endian.h> 24 #include <bits/types/time_t.h> 25 26 __BEGIN_DECLS 27 28 #define ACCT_COMM 16 29 30 /* 31 comp_t is a 16-bit "floating" point number with a 3-bit base 8 32 exponent and a 13-bit fraction. See linux/kernel/acct.c for the 33 specific encoding system used. 34 */ 35 36 typedef uint16_t comp_t; 37 38 struct acct 39 { 40 char ac_flag; /* Flags. */ 41 uint16_t ac_uid; /* Real user ID. */ 42 uint16_t ac_gid; /* Real group ID. */ 43 uint16_t ac_tty; /* Controlling terminal. */ 44 uint32_t ac_btime; /* Beginning time. */ 45 comp_t ac_utime; /* User time. */ 46 comp_t ac_stime; /* System time. */ 47 comp_t ac_etime; /* Elapsed time. */ 48 comp_t ac_mem; /* Average memory usage. */ 49 comp_t ac_io; /* Chars transferred. */ 50 comp_t ac_rw; /* Blocks read or written. */ 51 comp_t ac_minflt; /* Minor pagefaults. */ 52 comp_t ac_majflt; /* Major pagefaults. */ 53 comp_t ac_swaps; /* Number of swaps. */ 54 uint32_t ac_exitcode; /* Process exitcode. */ 55 char ac_comm[ACCT_COMM+1]; /* Command name. */ 56 char ac_pad[10]; /* Padding bytes. */ 57 }; 58 59 60 struct acct_v3 61 { 62 char ac_flag; /* Flags */ 63 char ac_version; /* Always set to ACCT_VERSION */ 64 uint16_t ac_tty; /* Control Terminal */ 65 uint32_t ac_exitcode; /* Exitcode */ 66 uint32_t ac_uid; /* Real User ID */ 67 uint32_t ac_gid; /* Real Group ID */ 68 uint32_t ac_pid; /* Process ID */ 69 uint32_t ac_ppid; /* Parent Process ID */ 70 uint32_t ac_btime; /* Process Creation Time */ 71 float ac_etime; /* Elapsed Time */ 72 comp_t ac_utime; /* User Time */ 73 comp_t ac_stime; /* System Time */ 74 comp_t ac_mem; /* Average Memory Usage */ 75 comp_t ac_io; /* Chars Transferred */ 76 comp_t ac_rw; /* Blocks Read or Written */ 77 comp_t ac_minflt; /* Minor Pagefaults */ 78 comp_t ac_majflt; /* Major Pagefaults */ 79 comp_t ac_swaps; /* Number of Swaps */ 80 char ac_comm[ACCT_COMM]; /* Command Name */ 81 }; 82 83 84 enum 85 { 86 AFORK = 0x01, /* Has executed fork, but no exec. */ 87 ASU = 0x02, /* Used super-user privileges. */ 88 ACORE = 0x08, /* Dumped core. */ 89 AXSIG = 0x10 /* Killed by a signal. */ 90 }; 91 92 #if __BYTE_ORDER == __BIG_ENDIAN 93 # define ACCT_BYTEORDER 0x80 /* Accounting file is big endian. */ 94 #else 95 # define ACCT_BYTEORDER 0x00 /* Accounting file is little endian. */ 96 #endif 97 98 #define AHZ 100 99 100 101 /* Switch process accounting on and off. */ 102 extern int acct (const char *__filename) __THROW; 103 104 __END_DECLS 105 106 #endif /* sys/acct.h */