summaryrefslogtreecommitdiff
path: root/src/unix/bsd/freebsdlike/dragonfly/mod.rs
blob: b3a5be44945437139d57189b82483edf03993466 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
pub type dev_t = u32;
pub type c_char = i8;
pub type wchar_t = i32;
pub type clock_t = u64;
pub type ino_t = u64;
pub type lwpid_t = i32;
pub type nlink_t = u32;
pub type blksize_t = i64;
pub type clockid_t = ::c_ulong;

pub type c_long = i64;
pub type c_ulong = u64;
pub type time_t = i64;
pub type suseconds_t = i64;

pub type uuid_t = ::uuid;

pub type fsblkcnt_t = u64;
pub type fsfilcnt_t = u64;
pub type idtype_t = ::c_uint;
pub type shmatt_t = ::c_uint;

pub type mqd_t = ::c_int;
pub type sem_t = *mut sem;

pub type cpuset_t = cpumask_t;
pub type cpu_set_t = cpumask_t;

pub type register_t = ::c_long;
pub type umtx_t = ::c_int;
pub type pthread_barrierattr_t = ::c_int;
pub type pthread_barrier_t = ::uintptr_t;
pub type pthread_spinlock_t = ::uintptr_t;

pub type segsz_t = usize;

pub type vm_prot_t = u8;
pub type vm_maptype_t = u8;
pub type vm_inherit_t = i8;
pub type vm_subsys_t = ::c_int;
pub type vm_eflags_t = ::c_uint;

pub type vm_map_t = *mut __c_anonymous_vm_map;
pub type vm_map_entry_t = *mut vm_map_entry;

pub type pmap = __c_anonymous_pmap;

#[cfg_attr(feature = "extra_traits", derive(Debug))]
pub enum sem {}
impl ::Copy for sem {}
impl ::Clone for sem {
    fn clone(&self) -> sem {
        *self
    }
}

e! {
    #[repr(u32)]
    pub enum lwpstat {
        LSRUN = 1,
        LSSTOP = 2,
        LSSLEEP = 3,
    }

    #[repr(u32)]
    pub enum procstat {
        SIDL = 1,
        SACTIVE = 2,
        SSTOP = 3,
        SZOMB = 4,
        SCORE = 5,
    }
}

s! {
    pub struct kevent {
        pub ident: ::uintptr_t,
        pub filter: ::c_short,
        pub flags: ::c_ushort,
        pub fflags: ::c_uint,
        pub data: ::intptr_t,
        pub udata: *mut ::c_void,
    }

    pub struct exit_status {
        pub e_termination: u16,
        pub e_exit: u16
    }

    pub struct aiocb {
        pub aio_fildes: ::c_int,
        pub aio_offset: ::off_t,
        pub aio_buf: *mut ::c_void,
        pub aio_nbytes: ::size_t,
        pub aio_sigevent: sigevent,
        pub aio_lio_opcode: ::c_int,
        pub aio_reqprio: ::c_int,
        _aio_val: ::c_int,
        _aio_err: ::c_int
    }

    pub struct uuid {
        pub time_low: u32,
        pub time_mid: u16,
        pub time_hi_and_version: u16,
        pub clock_seq_hi_and_reserved: u8,
        pub clock_seq_low: u8,
        pub node: [u8; 6],
    }

    pub struct mq_attr {
        pub mq_flags: ::c_long,
        pub mq_maxmsg: ::c_long,
        pub mq_msgsize: ::c_long,
        pub mq_curmsgs: ::c_long,
    }

    pub struct statvfs {
        pub f_bsize: ::c_ulong,
        pub f_frsize: ::c_ulong,
        pub f_blocks: ::fsblkcnt_t,
        pub f_bfree: ::fsblkcnt_t,
        pub f_bavail: ::fsblkcnt_t,
        pub f_files: ::fsfilcnt_t,
        pub f_ffree: ::fsfilcnt_t,
        pub f_favail: ::fsfilcnt_t,
        pub f_fsid: ::c_ulong,
        pub f_flag: ::c_ulong,
        pub f_namemax: ::c_ulong,
        pub f_owner: ::uid_t,
        pub f_type: ::c_uint,
        pub f_syncreads: u64,
        pub f_syncwrites: u64,
        pub f_asyncreads: u64,
        pub f_asyncwrites: u64,
        pub f_fsid_uuid: ::uuid_t,
        pub f_uid_uuid: ::uuid_t,
    }

    pub struct stat {
        pub st_ino: ::ino_t,
        pub st_nlink: ::nlink_t,
        pub st_dev: ::dev_t,
        pub st_mode: ::mode_t,
        pub st_padding1: u16,
        pub st_uid: ::uid_t,
        pub st_gid: ::gid_t,
        pub st_rdev: ::dev_t,
        pub st_atime: ::time_t,
        pub st_atime_nsec: ::c_long,
        pub st_mtime: ::time_t,
        pub st_mtime_nsec: ::c_long,
        pub st_ctime: ::time_t,
        pub st_ctime_nsec: ::c_long,
        pub st_size: ::off_t,
        pub st_blocks: i64,
        pub __old_st_blksize: u32,
        pub st_flags: u32,
        pub st_gen: u32,
        pub st_lspare: i32,
        pub st_blksize: i64,
        pub st_qspare2: i64,
    }

    pub struct if_data {
        pub ifi_type: ::c_uchar,
        pub ifi_physical: ::c_uchar,
        pub ifi_addrlen: ::c_uchar,
        pub ifi_hdrlen: ::c_uchar,
        pub ifi_recvquota: ::c_uchar,
        pub ifi_xmitquota: ::c_uchar,
        pub ifi_mtu: ::c_ulong,
        pub ifi_metric: ::c_ulong,
        pub ifi_link_state: ::c_ulong,
        pub ifi_baudrate: u64,
        pub ifi_ipackets: ::c_ulong,
        pub ifi_ierrors: ::c_ulong,
        pub ifi_opackets: ::c_ulong,
        pub ifi_oerrors: ::c_ulong,
        pub ifi_collisions: ::c_ulong,
        pub ifi_ibytes: ::c_ulong,
        pub ifi_obytes: ::c_ulong,
        pub ifi_imcasts: ::c_ulong,
        pub ifi_omcasts: ::c_ulong,
        pub ifi_iqdrops: ::c_ulong,
        pub ifi_noproto: ::c_ulong,
        pub ifi_hwassist: ::c_ulong,
        pub ifi_oqdrops: ::c_ulong,
        pub ifi_lastchange: ::timeval,
    }

    pub struct if_msghdr {
        pub ifm_msglen: ::c_ushort,
        pub ifm_version: ::c_uchar,
        pub ifm_type: ::c_uchar,
        pub ifm_addrs: ::c_int,
        pub ifm_flags: ::c_int,
        pub ifm_index: ::c_ushort,
        pub ifm_data: if_data,
    }

    pub struct sockaddr_dl {
        pub sdl_len: ::c_uchar,
        pub sdl_family: ::c_uchar,
        pub sdl_index: ::c_ushort,
        pub sdl_type: ::c_uchar,
        pub sdl_nlen: ::c_uchar,
        pub sdl_alen: ::c_uchar,
        pub sdl_slen: ::c_uchar,
        pub sdl_data: [::c_char; 12],
        pub sdl_rcf: ::c_ushort,
        pub sdl_route: [::c_ushort; 16],
    }

    pub struct xucred {
        pub cr_version: ::c_uint,
        pub cr_uid: ::uid_t,
        pub cr_ngroups: ::c_short,
        pub cr_groups: [::gid_t; 16],
        __cr_unused1: *mut ::c_void,
    }

    pub struct stack_t {
        pub ss_sp: *mut ::c_void,
        pub ss_size: ::size_t,
        pub ss_flags: ::c_int,
    }

    pub struct cpumask_t {
        ary: [u64; 4],
    }

    pub struct shmid_ds {
        pub shm_perm: ::ipc_perm,
        pub shm_segsz: ::size_t,
        pub shm_lpid: ::pid_t,
        pub shm_cpid: ::pid_t,
        pub shm_nattch: ::shmatt_t,
        pub shm_atime: ::time_t,
        pub shm_dtime: ::time_t,
        pub shm_ctime: ::time_t,
        shm_internal: *mut ::c_void,
    }

    pub struct kinfo_file {
        pub f_size: ::size_t,
        pub f_pid: ::pid_t,
        pub f_uid: ::uid_t,
        pub f_fd: ::c_int,
        pub f_file: *mut ::c_void,
        pub f_type: ::c_short,
        pub f_count: ::c_int,
        pub f_msgcount: ::c_int,
        pub f_offset: ::off_t,
        pub f_data: *mut ::c_void,
        pub f_flag: ::c_uint,
    }

    pub struct kinfo_cputime {
        pub cp_user: u64,
        pub cp_nice: u64,
        pub cp_sys: u64,
        pub cp_intr: u64,
        pub cp_idel: u64,
        cp_unused01: u64,
        cp_unused02: u64,
        pub cp_sample_pc: u64,
        pub cp_sample_sp: u64,
        pub cp_msg: [::c_char; 32],
    }

    pub struct kinfo_lwp {
        pub kl_pid: ::pid_t,
        pub kl_tid: ::lwpid_t,
        pub kl_flags: ::c_int,
        pub kl_stat: ::lwpstat,
        pub kl_lock: ::c_int,
        pub kl_tdflags: ::c_int,
        pub kl_mpcount: ::c_int,
        pub kl_prio: ::c_int,
        pub kl_tdprio: ::c_int,
        pub kl_rtprio: ::rtprio,
        pub kl_uticks: u64,
        pub kl_sticks: u64,
        pub kl_iticks: u64,
        pub kl_cpticks: u64,
        pub kl_pctcpu: ::c_uint,
        pub kl_slptime: ::c_uint,
        pub kl_origcpu: ::c_int,
        pub kl_estcpu: ::c_int,
        pub kl_cpuid: ::c_int,
        pub kl_ru: ::rusage,
        pub kl_siglist: ::sigset_t,
        pub kl_sigmask: ::sigset_t,
        pub kl_wchan: ::uintptr_t,
        pub kl_wmesg: [::c_char; 9],
        pub kl_comm: [::c_char; MAXCOMLEN+1],
    }

    pub struct kinfo_proc {
        pub kp_paddr: ::uintptr_t,
        pub kp_flags: ::c_int,
        pub kp_stat: ::procstat,
        pub kp_lock: ::c_int,
        pub kp_acflag: ::c_int,
        pub kp_traceflag: ::c_int,
        pub kp_fd: ::uintptr_t,
        pub kp_siglist: ::sigset_t,
        pub kp_sigignore: ::sigset_t,
        pub kp_sigcatch: ::sigset_t,
        pub kp_sigflag: ::c_int,
        pub kp_start: ::timeval,
        pub kp_comm: [::c_char; MAXCOMLEN+1],
        pub kp_uid: ::uid_t,
        pub kp_ngroups: ::c_short,
        pub kp_groups: [::gid_t; NGROUPS],
        pub kp_ruid: ::uid_t,
        pub kp_svuid: ::uid_t,
        pub kp_rgid: ::gid_t,
        pub kp_svgid: ::gid_t,
        pub kp_pid: ::pid_t,
        pub kp_ppid: ::pid_t,
        pub kp_pgid: ::pid_t,
        pub kp_jobc: ::c_int,
        pub kp_sid: ::pid_t,
        pub kp_login: [::c_char; 40], // MAXNAMELEN rounded up to the nearest sizeof(long)
        pub kp_tdev: ::dev_t,
        pub kp_tpgid: ::pid_t,
        pub kp_tsid: ::pid_t,
        pub kp_exitstat: ::c_ushort,
        pub kp_nthreads: ::c_int,
        pub kp_nice: ::c_int,
        pub kp_swtime: ::c_uint,
        pub kp_vm_map_size: ::size_t,
        pub kp_vm_rssize: ::segsz_t,
        pub kp_vm_swrss: ::segsz_t,
        pub kp_vm_tsize: ::segsz_t,
        pub kp_vm_dsize: ::segsz_t,
        pub kp_vm_ssize: ::segsz_t,
        pub kp_vm_prssize: ::c_uint,
        pub kp_jailid: ::c_int,
        pub kp_ru: ::rusage,
        pub kp_cru: ::rusage,
        pub kp_auxflags: ::c_int,
        pub kp_lwp: ::kinfo_lwp,
        pub kp_ktaddr: ::uintptr_t,
        kp_spare: [::c_int; 2],
    }

    pub struct __c_anonymous_vm_map {
        _priv: [::uintptr_t; 36],
    }

    pub struct vm_map_entry {
        _priv: [::uintptr_t; 15],
        pub eflags: ::vm_eflags_t,
        pub maptype: ::vm_maptype_t,
        pub protection: ::vm_prot_t,
        pub max_protection: ::vm_prot_t,
        pub inheritance: ::vm_inherit_t,
        pub wired_count: ::c_int,
        pub id: ::vm_subsys_t,
    }

    pub struct __c_anonymous_pmap {
        _priv1: [::uintptr_t; 32],
        _priv2: [::uintptr_t; 32],
        _priv3: [::uintptr_t; 32],
        _priv4: [::uintptr_t; 32],
        _priv5: [::uintptr_t; 8],
    }

    pub struct vmspace {
        vm_map: __c_anonymous_vm_map,
        vm_pmap: __c_anonymous_pmap,
        pub vm_flags: ::c_int,
        pub vm_shm: *mut ::c_char,
        pub vm_rssize: ::segsz_t,
        pub vm_swrss: ::segsz_t,
        pub vm_tsize: ::segsz_t,
        pub vm_dsize: ::segsz_t,
        pub vm_ssize: ::segsz_t,
        pub vm_taddr: *mut ::c_char,
        pub vm_daddr: *mut ::c_char,
        pub vm_maxsaddr: *mut ::c_char,
        pub vm_minsaddr: *mut ::c_char,
        _unused1: ::c_int,
        _unused2: ::c_int,
        pub vm_pagesupply: ::c_int,
        pub vm_holdcnt: ::c_uint,
        pub vm_refcnt: ::c_uint,
    }

    pub struct cpuctl_msr_args_t {
        pub msr: ::c_int,
        pub data: u64,
    }

    pub struct cpuctl_cpuid_args_t {
        pub level: ::c_int,
        pub data: [u32; 4],
    }

    pub struct cpuctl_cpuid_count_args_t {
        pub level: ::c_int,
        pub level_type: ::c_int,
        pub data: [u32; 4],
    }

    pub struct cpuctl_update_args_t {
        pub data: *mut ::c_void,
        pub size: ::size_t,
    }
}

s_no_extra_traits! {
    pub struct utmpx {
        pub ut_name: [::c_char; 32],
        pub ut_id: [::c_char; 4],

        pub ut_line: [::c_char; 32],
        pub ut_host: [::c_char; 256],

        pub ut_unused: [u8; 16],
        pub ut_session: u16,
        pub ut_type: u16,
        pub ut_pid: ::pid_t,
        ut_exit: exit_status,
        ut_ss: ::sockaddr_storage,
        pub ut_tv: ::timeval,
        pub ut_unused2: [u8; 16],
    }

    pub struct lastlogx {
        pub ll_tv: ::timeval,
        pub ll_line: [::c_char; _UTX_LINESIZE],
        pub ll_host: [::c_char; _UTX_HOSTSIZE],
        pub ll_ss: ::sockaddr_storage,
    }

    pub struct dirent {
        pub d_fileno: ::ino_t,
        pub d_namlen: u16,
        pub d_type: u8,
        __unused1: u8,
        __unused2: u32,
        pub d_name: [::c_char; 256],
    }

    pub struct statfs {
        __spare2: ::c_long,
        pub f_bsize: ::c_long,
        pub f_iosize: ::c_long,
        pub f_blocks: ::c_long,
        pub f_bfree: ::c_long,
        pub f_bavail: ::c_long,
        pub f_files: ::c_long,
        pub f_ffree: ::c_long,
        pub f_fsid: ::fsid_t,
        pub f_owner: ::uid_t,
        pub f_type: ::c_int,
        pub f_flags: ::c_int,
        pub f_syncwrites: ::c_long,
        pub f_asyncwrites: ::c_long,
        pub f_fstypename: [::c_char; 16],
        pub f_mntonname: [::c_char; 80],
        pub f_syncreads: ::c_long,
        pub f_asyncreads: ::c_long,
        __spares1: ::c_short,
        pub f_mntfromname: [::c_char; 80],
        __spares2: ::c_short,
        __spare: [::c_long; 2],
    }

    pub struct sigevent {
        pub sigev_notify: ::c_int,
        // The union is 8-byte in size, so it is aligned at a 8-byte offset.
        #[cfg(target_pointer_width = "64")]
        __unused1: ::c_int,
        pub sigev_signo: ::c_int,       //actually a union
        // pad the union
        #[cfg(target_pointer_width = "64")]
        __unused2: ::c_int,
        pub sigev_value: ::sigval,
        __unused3: *mut ::c_void        //actually a function pointer
    }

    pub struct mcontext_t {
        pub mc_onstack: register_t,
        pub mc_rdi: register_t,
        pub mc_rsi: register_t,
        pub mc_rdx: register_t,
        pub mc_rcx: register_t,
        pub mc_r8: register_t,
        pub mc_r9: register_t,
        pub mc_rax: register_t,
        pub mc_rbx: register_t,
        pub mc_rbp: register_t,
        pub mc_r10: register_t,
        pub mc_r11: register_t,
        pub mc_r12: register_t,
        pub mc_r13: register_t,
        pub mc_r14: register_t,
        pub mc_r15: register_t,
        pub mc_xflags: register_t,
        pub mc_trapno: register_t,
        pub mc_addr: register_t,
        pub mc_flags: register_t,
        pub mc_err: register_t,
        pub mc_rip: register_t,
        pub mc_cs: register_t,
        pub mc_rflags: register_t,
        pub mc_rsp: register_t,
        pub mc_ss: register_t,
        pub mc_len: ::c_uint,
        pub mc_fpformat: ::c_uint,
        pub mc_ownedfp: ::c_uint,
        __reserved: ::c_uint,
        __unused: [::c_uint; 8],
        pub mc_fpregs: [[::c_uint; 8]; 32],
    }

    pub struct ucontext_t {
        pub uc_sigmask: ::sigset_t,
        pub uc_mcontext: mcontext_t,
        pub uc_link: *mut ucontext_t,
        pub uc_stack: stack_t,
        pub uc_cofunc: ::Option<unsafe extern "C" fn(uc: *mut ucontext_t, arg: *mut ::c_void)>,
        pub uc_arg: *mut ::c_void,
        __pad: [::c_int; 4],
    }
}

cfg_if! {
    if #[cfg(feature = "extra_traits")] {
        impl PartialEq for utmpx {
            fn eq(&self, other: &utmpx) -> bool {
                self.ut_name == other.ut_name
                    && self.ut_id == other.ut_id
                    && self.ut_line == other.ut_line
                    && self
                    .ut_host
                    .iter()
                    .zip(other.ut_host.iter())
                    .all(|(a,b)| a == b)
                    && self.ut_unused == other.ut_unused
                    && self.ut_session == other.ut_session
                    && self.ut_type == other.ut_type
                    && self.ut_pid == other.ut_pid
                    && self.ut_exit == other.ut_exit
                    && self.ut_ss == other.ut_ss
                    && self.ut_tv == other.ut_tv
                    && self.ut_unused2 == other.ut_unused2
            }
        }
        impl Eq for utmpx {}
        impl ::fmt::Debug for utmpx {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utmpx")
                    .field("ut_name", &self.ut_name)
                    .field("ut_id", &self.ut_id)
                    .field("ut_line", &self.ut_line)
                    // FIXME: .field("ut_host", &self.ut_host)
                    .field("ut_unused", &self.ut_unused)
                    .field("ut_session", &self.ut_session)
                    .field("ut_type", &self.ut_type)
                    .field("ut_pid", &self.ut_pid)
                    .field("ut_exit", &self.ut_exit)
                    .field("ut_ss", &self.ut_ss)
                    .field("ut_tv", &self.ut_tv)
                    .field("ut_unused2", &self.ut_unused2)
                    .finish()
            }
        }
        impl ::hash::Hash for utmpx {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ut_name.hash(state);
                self.ut_id.hash(state);
                self.ut_line.hash(state);
                self.ut_host.hash(state);
                self.ut_unused.hash(state);
                self.ut_session.hash(state);
                self.ut_type.hash(state);
                self.ut_pid.hash(state);
                self.ut_exit.hash(state);
                self.ut_ss.hash(state);
                self.ut_tv.hash(state);
                self.ut_unused2.hash(state);
            }
        }
        impl PartialEq for lastlogx {
            fn eq(&self, other: &lastlogx) -> bool {
                self.ll_tv == other.ll_tv
                    && self.ll_line == other.ll_line
                    && self.ll_host == other.ll_host
                    && self.ll_ss == other.ll_ss
            }
        }
        impl Eq for lastlogx {}
        impl ::fmt::Debug for lastlogx {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("lastlogx")
                    .field("ll_tv", &self.ll_tv)
                    .field("ll_line", &self.ll_line)
                    .field("ll_host", &self.ll_host)
                    .field("ll_ss", &self.ll_ss)
                    .finish()
            }
        }
        impl ::hash::Hash for lastlogx {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ll_tv.hash(state);
                self.ll_line.hash(state);
                self.ll_host.hash(state);
                self.ll_ss.hash(state);
            }
        }

        impl PartialEq for dirent {
            fn eq(&self, other: &dirent) -> bool {
                self.d_fileno == other.d_fileno
                    && self.d_namlen == other.d_namlen
                    && self.d_type == other.d_type
                    // Ignore __unused1
                    // Ignore __unused2
                    && self
                    .d_name
                    .iter()
                    .zip(other.d_name.iter())
                    .all(|(a,b)| a == b)
            }
        }
        impl Eq for dirent {}
        impl ::fmt::Debug for dirent {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("dirent")
                    .field("d_fileno", &self.d_fileno)
                    .field("d_namlen", &self.d_namlen)
                    .field("d_type", &self.d_type)
                    // Ignore __unused1
                    // Ignore __unused2
                    // FIXME: .field("d_name", &self.d_name)
                    .finish()
            }
        }
        impl ::hash::Hash for dirent {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.d_fileno.hash(state);
                self.d_namlen.hash(state);
                self.d_type.hash(state);
                    // Ignore __unused1
                    // Ignore __unused2
                self.d_name.hash(state);
            }
        }

        impl PartialEq for statfs {
            fn eq(&self, other: &statfs) -> bool {
                self.f_bsize == other.f_bsize
                    && self.f_iosize == other.f_iosize
                    && self.f_blocks == other.f_blocks
                    && self.f_bfree == other.f_bfree
                    && self.f_bavail == other.f_bavail
                    && self.f_files == other.f_files
                    && self.f_ffree == other.f_ffree
                    && self.f_fsid == other.f_fsid
                    && self.f_owner == other.f_owner
                    && self.f_type == other.f_type
                    && self.f_flags == other.f_flags
                    && self.f_syncwrites == other.f_syncwrites
                    && self.f_asyncwrites == other.f_asyncwrites
                    && self.f_fstypename == other.f_fstypename
                    && self
                    .f_mntonname
                    .iter()
                    .zip(other.f_mntonname.iter())
                    .all(|(a,b)| a == b)
                    && self.f_syncreads == other.f_syncreads
                    && self.f_asyncreads == other.f_asyncreads
                    && self
                    .f_mntfromname
                    .iter()
                    .zip(other.f_mntfromname.iter())
                    .all(|(a,b)| a == b)
            }
        }
        impl Eq for statfs {}
        impl ::fmt::Debug for statfs {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("statfs")
                    .field("f_bsize", &self.f_bsize)
                    .field("f_iosize", &self.f_iosize)
                    .field("f_blocks", &self.f_blocks)
                    .field("f_bfree", &self.f_bfree)
                    .field("f_bavail", &self.f_bavail)
                    .field("f_files", &self.f_files)
                    .field("f_ffree", &self.f_ffree)
                    .field("f_fsid", &self.f_fsid)
                    .field("f_owner", &self.f_owner)
                    .field("f_type", &self.f_type)
                    .field("f_flags", &self.f_flags)
                    .field("f_syncwrites", &self.f_syncwrites)
                    .field("f_asyncwrites", &self.f_asyncwrites)
                    // FIXME: .field("f_mntonname", &self.f_mntonname)
                    .field("f_syncreads", &self.f_syncreads)
                    .field("f_asyncreads", &self.f_asyncreads)
                    // FIXME: .field("f_mntfromname", &self.f_mntfromname)
                    .finish()
            }
        }
        impl ::hash::Hash for statfs {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.f_bsize.hash(state);
                self.f_iosize.hash(state);
                self.f_blocks.hash(state);
                self.f_bfree.hash(state);
                self.f_bavail.hash(state);
                self.f_files.hash(state);
                self.f_ffree.hash(state);
                self.f_fsid.hash(state);
                self.f_owner.hash(state);
                self.f_type.hash(state);
                self.f_flags.hash(state);
                self.f_syncwrites.hash(state);
                self.f_asyncwrites.hash(state);
                self.f_fstypename.hash(state);
                self.f_mntonname.hash(state);
                self.f_syncreads.hash(state);
                self.f_asyncreads.hash(state);
                self.f_mntfromname.hash(state);
            }
        }

        impl PartialEq for sigevent {
            fn eq(&self, other: &sigevent) -> bool {
                self.sigev_notify == other.sigev_notify
                    && self.sigev_signo == other.sigev_signo
                    && self.sigev_value == other.sigev_value
            }
        }
        impl Eq for sigevent {}
        impl ::fmt::Debug for sigevent {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sigevent")
                    .field("sigev_notify", &self.sigev_notify)
                    .field("sigev_signo", &self.sigev_signo)
                    .field("sigev_value", &self.sigev_value)
                    .finish()
            }
        }
        impl ::hash::Hash for sigevent {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.sigev_notify.hash(state);
                self.sigev_signo.hash(state);
                self.sigev_value.hash(state);
            }
        }
        impl PartialEq for mcontext_t {
            fn eq(&self, other: &mcontext_t) -> bool {
                self.mc_onstack == other.mc_onstack &&
                self.mc_rdi == other.mc_rdi &&
                self.mc_rsi == other.mc_rsi &&
                self.mc_rdx == other.mc_rdx &&
                self.mc_rcx == other.mc_rcx &&
                self.mc_r8 == other.mc_r8 &&
                self.mc_r9 == other.mc_r9 &&
                self.mc_rax == other.mc_rax &&
                self.mc_rbx == other.mc_rbx &&
                self.mc_rbp == other.mc_rbp &&
                self.mc_r10 == other.mc_r10 &&
                self.mc_r11 == other.mc_r11 &&
                self.mc_r12 == other.mc_r12 &&
                self.mc_r13 == other.mc_r13 &&
                self.mc_r14 == other.mc_r14 &&
                self.mc_r15 == other.mc_r15 &&
                self.mc_xflags == other.mc_xflags &&
                self.mc_trapno == other.mc_trapno &&
                self.mc_addr == other.mc_addr &&
                self.mc_flags == other.mc_flags &&
                self.mc_err == other.mc_err &&
                self.mc_rip == other.mc_rip &&
                self.mc_cs == other.mc_cs &&
                self.mc_rflags == other.mc_rflags &&
                self.mc_rsp == other.mc_rsp &&
                self.mc_ss == other.mc_ss &&
                self.mc_len == other.mc_len &&
                self.mc_fpformat == other.mc_fpformat &&
                self.mc_ownedfp == other.mc_ownedfp &&
                self.mc_fpregs.iter().zip(other.mc_fpregs.iter()).
                all(|(a, b)| a == b)
            }
        }
        impl Eq for mcontext_t {}
        impl ::fmt::Debug for mcontext_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("mcontext_t")
                    .field("mc_onstack", &self.mc_onstack)
                    .field("mc_rdi", &self.mc_rdi)
                    .field("mc_rsi", &self.mc_rsi)
                    .field("mc_rdx", &self.mc_rdx)
                    .field("mc_rcx", &self.mc_rcx)
                    .field("mc_r8", &self.mc_r8)
                    .field("mc_r9", &self.mc_r9)
                    .field("mc_rax", &self.mc_rax)
                    .field("mc_rbx", &self.mc_rbx)
                    .field("mc_rbp", &self.mc_rbp)
                    .field("mc_r10", &self.mc_r10)
                    .field("mc_r11", &self.mc_r11)
                    .field("mc_r12", &self.mc_r12)
                    .field("mc_r13", &self.mc_r13)
                    .field("mc_r14", &self.mc_r14)
                    .field("mc_r15", &self.mc_r15)
                    .field("mc_xflags", &self.mc_xflags)
                    .field("mc_trapno", &self.mc_trapno)
                    .field("mc_addr", &self.mc_addr)
                    .field("mc_flags", &self.mc_flags)
                    .field("mc_err", &self.mc_err)
                    .field("mc_rip", &self.mc_rip)
                    .field("mc_cs", &self.mc_cs)
                    .field("mc_rflags", &self.mc_rflags)
                    .field("mc_rsp", &self.mc_rsp)
                    .field("mc_ss", &self.mc_ss)
                    .field("mc_len", &self.mc_len)
                    .field("mc_fpformat", &self.mc_fpformat)
                    .field("mc_ownedfp", &self.mc_ownedfp)
                    .field("mc_fpregs", &self.mc_fpregs)
                    .finish()
            }
        }
        impl ::hash::Hash for mcontext_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.mc_onstack.hash(state);
                self.mc_rdi.hash(state);
                self.mc_rsi.hash(state);
                self.mc_rdx.hash(state);
                self.mc_rcx.hash(state);
                self.mc_r8.hash(state);
                self.mc_r9.hash(state);
                self.mc_rax.hash(state);
                self.mc_rbx.hash(state);
                self.mc_rbp.hash(state);
                self.mc_r10.hash(state);
                self.mc_r11.hash(state);
                self.mc_r10.hash(state);
                self.mc_r11.hash(state);
                self.mc_r12.hash(state);
                self.mc_r13.hash(state);
                self.mc_r14.hash(state);
                self.mc_r15.hash(state);
                self.mc_xflags.hash(state);
                self.mc_trapno.hash(state);
                self.mc_addr.hash(state);
                self.mc_flags.hash(state);
                self.mc_err.hash(state);
                self.mc_rip.hash(state);
                self.mc_cs.hash(state);
                self.mc_rflags.hash(state);
                self.mc_rsp.hash(state);
                self.mc_ss.hash(state);
                self.mc_len.hash(state);
                self.mc_fpformat.hash(state);
                self.mc_ownedfp.hash(state);
                self.mc_fpregs.hash(state);
            }
        }
        impl PartialEq for ucontext_t {
            fn eq(&self, other: &ucontext_t) -> bool {
                self.uc_sigmask == other.uc_sigmask
                    && self.uc_mcontext == other.uc_mcontext
                    && self.uc_link == other.uc_link
                    && self.uc_stack == other.uc_stack
                    && self.uc_cofunc == other.uc_cofunc
                    && self.uc_arg == other.uc_arg
            }
        }
        impl Eq for ucontext_t {}
        impl ::fmt::Debug for ucontext_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("ucontext_t")
                    .field("uc_sigmask", &self.uc_sigmask)
                    .field("uc_mcontext", &self.uc_mcontext)
                    .field("uc_link", &self.uc_link)
                    .field("uc_stack", &self.uc_stack)
                    .field("uc_cofunc", &self.uc_cofunc)
                    .field("uc_arg", &self.uc_arg)
                    .finish()
            }
        }
        impl ::hash::Hash for ucontext_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.uc_sigmask.hash(state);
                self.uc_mcontext.hash(state);
                self.uc_link.hash(state);
                self.uc_stack.hash(state);
                self.uc_cofunc.hash(state);
                self.uc_arg.hash(state);
            }
        }
    }
}

pub const RAND_MAX: ::c_int = 0x7fff_ffff;
pub const PTHREAD_STACK_MIN: ::size_t = 16384;
pub const SIGSTKSZ: ::size_t = 40960;
pub const SIGCKPT: ::c_int = 33;
pub const SIGCKPTEXIT: ::c_int = 34;
pub const CKPT_FREEZE: ::c_int = 0x1;
pub const CKPT_THAW: ::c_int = 0x2;
pub const MADV_INVAL: ::c_int = 10;
pub const MADV_SETMAP: ::c_int = 11;
pub const O_CLOEXEC: ::c_int = 0x00020000;
pub const O_DIRECTORY: ::c_int = 0x08000000;
pub const F_GETLK: ::c_int = 7;
pub const F_SETLK: ::c_int = 8;
pub const F_SETLKW: ::c_int = 9;
pub const F_GETPATH: ::c_int = 19;
pub const ENOMEDIUM: ::c_int = 93;
pub const ENOTRECOVERABLE: ::c_int = 94;
pub const EOWNERDEAD: ::c_int = 95;
pub const EASYNC: ::c_int = 99;
pub const ELAST: ::c_int = 99;
pub const RLIMIT_POSIXLOCKS: ::c_int = 11;
#[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
pub const RLIM_NLIMITS: ::rlim_t = 12;

pub const Q_GETQUOTA: ::c_int = 0x300;
pub const Q_SETQUOTA: ::c_int = 0x400;

pub const CTL_UNSPEC: ::c_int = 0;
pub const CTL_KERN: ::c_int = 1;
pub const CTL_VM: ::c_int = 2;
pub const CTL_VFS: ::c_int = 3;
pub const CTL_NET: ::c_int = 4;
pub const CTL_DEBUG: ::c_int = 5;
pub const CTL_HW: ::c_int = 6;
pub const CTL_MACHDEP: ::c_int = 7;
pub const CTL_USER: ::c_int = 8;
pub const CTL_P1003_1B: ::c_int = 9;
pub const CTL_LWKT: ::c_int = 10;
pub const CTL_MAXID: ::c_int = 11;
pub const KERN_OSTYPE: ::c_int = 1;
pub const KERN_OSRELEASE: ::c_int = 2;
pub const KERN_OSREV: ::c_int = 3;
pub const KERN_VERSION: ::c_int = 4;
pub const KERN_MAXVNODES: ::c_int = 5;
pub const KERN_MAXPROC: ::c_int = 6;
pub const KERN_MAXFILES: ::c_int = 7;
pub const KERN_ARGMAX: ::c_int = 8;
pub const KERN_SECURELVL: ::c_int = 9;
pub const KERN_HOSTNAME: ::c_int = 10;
pub const KERN_HOSTID: ::c_int = 11;
pub const KERN_CLOCKRATE: ::c_int = 12;
pub const KERN_VNODE: ::c_int = 13;
pub const KERN_PROC: ::c_int = 14;
pub const KERN_FILE: ::c_int = 15;
pub const KERN_PROF: ::c_int = 16;
pub const KERN_POSIX1: ::c_int = 17;
pub const KERN_NGROUPS: ::c_int = 18;
pub const KERN_JOB_CONTROL: ::c_int = 19;
pub const KERN_SAVED_IDS: ::c_int = 20;
pub const KERN_BOOTTIME: ::c_int = 21;
pub const KERN_NISDOMAINNAME: ::c_int = 22;
pub const KERN_UPDATEINTERVAL: ::c_int = 23;
pub const KERN_OSRELDATE: ::c_int = 24;
pub const KERN_NTP_PLL: ::c_int = 25;
pub const KERN_BOOTFILE: ::c_int = 26;
pub const KERN_MAXFILESPERPROC: ::c_int = 27;
pub const KERN_MAXPROCPERUID: ::c_int = 28;
pub const KERN_DUMPDEV: ::c_int = 29;
pub const KERN_IPC: ::c_int = 30;
pub const KERN_DUMMY: ::c_int = 31;
pub const KERN_PS_STRINGS: ::c_int = 32;
pub const KERN_USRSTACK: ::c_int = 33;
pub const KERN_LOGSIGEXIT: ::c_int = 34;
pub const KERN_IOV_MAX: ::c_int = 35;
pub const KERN_MAXPOSIXLOCKSPERUID: ::c_int = 36;
pub const KERN_MAXID: ::c_int = 37;
pub const KERN_PROC_ALL: ::c_int = 0;
pub const KERN_PROC_PID: ::c_int = 1;
pub const KERN_PROC_PGRP: ::c_int = 2;
pub const KERN_PROC_SESSION: ::c_int = 3;
pub const KERN_PROC_TTY: ::c_int = 4;
pub const KERN_PROC_UID: ::c_int = 5;
pub const KERN_PROC_RUID: ::c_int = 6;
pub const KERN_PROC_ARGS: ::c_int = 7;
pub const KERN_PROC_CWD: ::c_int = 8;
pub const KERN_PROC_PATHNAME: ::c_int = 9;
pub const KERN_PROC_FLAGMASK: ::c_int = 0x10;
pub const KERN_PROC_FLAG_LWP: ::c_int = 0x10;
pub const KIPC_MAXSOCKBUF: ::c_int = 1;
pub const KIPC_SOCKBUF_WASTE: ::c_int = 2;
pub const KIPC_SOMAXCONN: ::c_int = 3;
pub const KIPC_MAX_LINKHDR: ::c_int = 4;
pub const KIPC_MAX_PROTOHDR: ::c_int = 5;
pub const KIPC_MAX_HDR: ::c_int = 6;
pub const KIPC_MAX_DATALEN: ::c_int = 7;
pub const KIPC_MBSTAT: ::c_int = 8;
pub const KIPC_NMBCLUSTERS: ::c_int = 9;
pub const HW_MACHINE: ::c_int = 1;
pub const HW_MODEL: ::c_int = 2;
pub const HW_NCPU: ::c_int = 3;
pub const HW_BYTEORDER: ::c_int = 4;
pub const HW_PHYSMEM: ::c_int = 5;
pub const HW_USERMEM: ::c_int = 6;
pub const HW_PAGESIZE: ::c_int = 7;
pub const HW_DISKNAMES: ::c_int = 8;
pub const HW_DISKSTATS: ::c_int = 9;
pub const HW_FLOATINGPT: ::c_int = 10;
pub const HW_MACHINE_ARCH: ::c_int = 11;
pub const HW_MACHINE_PLATFORM: ::c_int = 12;
pub const HW_SENSORS: ::c_int = 13;
pub const HW_MAXID: ::c_int = 14;
pub const USER_CS_PATH: ::c_int = 1;
pub const USER_BC_BASE_MAX: ::c_int = 2;
pub const USER_BC_DIM_MAX: ::c_int = 3;
pub const USER_BC_SCALE_MAX: ::c_int = 4;
pub const USER_BC_STRING_MAX: ::c_int = 5;
pub const USER_COLL_WEIGHTS_MAX: ::c_int = 6;
pub const USER_EXPR_NEST_MAX: ::c_int = 7;
pub const USER_LINE_MAX: ::c_int = 8;
pub const USER_RE_DUP_MAX: ::c_int = 9;
pub const USER_POSIX2_VERSION: ::c_int = 10;
pub const USER_POSIX2_C_BIND: ::c_int = 11;
pub const USER_POSIX2_C_DEV: ::c_int = 12;
pub const USER_POSIX2_CHAR_TERM: ::c_int = 13;
pub const USER_POSIX2_FORT_DEV: ::c_int = 14;
pub const USER_POSIX2_FORT_RUN: ::c_int = 15;
pub const USER_POSIX2_LOCALEDEF: ::c_int = 16;
pub const USER_POSIX2_SW_DEV: ::c_int = 17;
pub const USER_POSIX2_UPE: ::c_int = 18;
pub const USER_STREAM_MAX: ::c_int = 19;
pub const USER_TZNAME_MAX: ::c_int = 20;
pub const USER_MAXID: ::c_int = 21;
pub const CTL_P1003_1B_ASYNCHRONOUS_IO: ::c_int = 1;
pub const CTL_P1003_1B_MAPPED_FILES: ::c_int = 2;
pub const CTL_P1003_1B_MEMLOCK: ::c_int = 3;
pub const CTL_P1003_1B_MEMLOCK_RANGE: ::c_int = 4;
pub const CTL_P1003_1B_MEMORY_PROTECTION: ::c_int = 5;
pub const CTL_P1003_1B_MESSAGE_PASSING: ::c_int = 6;
pub const CTL_P1003_1B_PRIORITIZED_IO: ::c_int = 7;
pub const CTL_P1003_1B_PRIORITY_SCHEDULING: ::c_int = 8;
pub const CTL_P1003_1B_REALTIME_SIGNALS: ::c_int = 9;
pub const CTL_P1003_1B_SEMAPHORES: ::c_int = 10;
pub const CTL_P1003_1B_FSYNC: ::c_int = 11;
pub const CTL_P1003_1B_SHARED_MEMORY_OBJECTS: ::c_int = 12;
pub const CTL_P1003_1B_SYNCHRONIZED_IO: ::c_int = 13;
pub const CTL_P1003_1B_TIMERS: ::c_int = 14;
pub const CTL_P1003_1B_AIO_LISTIO_MAX: ::c_int = 15;
pub const CTL_P1003_1B_AIO_MAX: ::c_int = 16;
pub const CTL_P1003_1B_AIO_PRIO_DELTA_MAX: ::c_int = 17;
pub const CTL_P1003_1B_DELAYTIMER_MAX: ::c_int = 18;
pub const CTL_P1003_1B_UNUSED1: ::c_int = 19;
pub const CTL_P1003_1B_PAGESIZE: ::c_int = 20;
pub const CTL_P1003_1B_RTSIG_MAX: ::c_int = 21;
pub const CTL_P1003_1B_SEM_NSEMS_MAX: ::c_int = 22;
pub const CTL_P1003_1B_SEM_VALUE_MAX: ::c_int = 23;
pub const CTL_P1003_1B_SIGQUEUE_MAX: ::c_int = 24;
pub const CTL_P1003_1B_TIMER_MAX: ::c_int = 25;
pub const CTL_P1003_1B_MAXID: ::c_int = 26;

pub const CPUCTL_RSMSR: ::c_int = 0xc0106301;
pub const CPUCTL_WRMSR: ::c_int = 0xc0106302;
pub const CPUCTL_CPUID: ::c_int = 0xc0106303;
pub const CPUCTL_UPDATE: ::c_int = 0xc0106304;
pub const CPUCTL_MSRSBIT: ::c_int = 0xc0106305;
pub const CPUCTL_MSRCBIT: ::c_int = 0xc0106306;
pub const CPUCTL_CPUID_COUNT: ::c_int = 0xc0106307;

pub const CPU_SETSIZE: ::size_t = ::mem::size_of::<::cpumask_t>() * 8;

pub const EVFILT_READ: i16 = -1;
pub const EVFILT_WRITE: i16 = -2;
pub const EVFILT_AIO: i16 = -3;
pub const EVFILT_VNODE: i16 = -4;
pub const EVFILT_PROC: i16 = -5;
pub const EVFILT_SIGNAL: i16 = -6;
pub const EVFILT_TIMER: i16 = -7;
pub const EVFILT_EXCEPT: i16 = -8;
pub const EVFILT_USER: i16 = -9;
pub const EVFILT_FS: i16 = -10;

pub const EV_ADD: u16 = 0x1;
pub const EV_DELETE: u16 = 0x2;
pub const EV_ENABLE: u16 = 0x4;
pub const EV_DISABLE: u16 = 0x8;
pub const EV_ONESHOT: u16 = 0x10;
pub const EV_CLEAR: u16 = 0x20;
pub const EV_RECEIPT: u16 = 0x40;
pub const EV_DISPATCH: u16 = 0x80;
pub const EV_NODATA: u16 = 0x1000;
pub const EV_FLAG1: u16 = 0x2000;
pub const EV_ERROR: u16 = 0x4000;
pub const EV_EOF: u16 = 0x8000;
pub const EV_HUP: u16 = 0x8000;
pub const EV_SYSFLAGS: u16 = 0xf000;

pub const FIODNAME: ::c_ulong = 0x80106678;

pub const NOTE_TRIGGER: u32 = 0x01000000;
pub const NOTE_FFNOP: u32 = 0x00000000;
pub const NOTE_FFAND: u32 = 0x40000000;
pub const NOTE_FFOR: u32 = 0x80000000;
pub const NOTE_FFCOPY: u32 = 0xc0000000;
pub const NOTE_FFCTRLMASK: u32 = 0xc0000000;
pub const NOTE_FFLAGSMASK: u32 = 0x00ffffff;
pub const NOTE_LOWAT: u32 = 0x00000001;
pub const NOTE_OOB: u32 = 0x00000002;
pub const NOTE_DELETE: u32 = 0x00000001;
pub const NOTE_WRITE: u32 = 0x00000002;
pub const NOTE_EXTEND: u32 = 0x00000004;
pub const NOTE_ATTRIB: u32 = 0x00000008;
pub const NOTE_LINK: u32 = 0x00000010;
pub const NOTE_RENAME: u32 = 0x00000020;
pub const NOTE_REVOKE: u32 = 0x00000040;
pub const NOTE_EXIT: u32 = 0x80000000;
pub const NOTE_FORK: u32 = 0x40000000;
pub const NOTE_EXEC: u32 = 0x20000000;
pub const NOTE_PDATAMASK: u32 = 0x000fffff;
pub const NOTE_PCTRLMASK: u32 = 0xf0000000;
pub const NOTE_TRACK: u32 = 0x00000001;
pub const NOTE_TRACKERR: u32 = 0x00000002;
pub const NOTE_CHILD: u32 = 0x00000004;

pub const SO_SNDSPACE: ::c_int = 0x100a;
pub const SO_CPUHINT: ::c_int = 0x1030;
pub const SO_PASSCRED: ::c_int = 0x4000;

pub const PT_FIRSTMACH: ::c_int = 32;

pub const PROC_REAP_ACQUIRE: ::c_int = 0x0001;
pub const PROC_REAP_RELEASE: ::c_int = 0x0002;
pub const PROC_REAP_STATUS: ::c_int = 0x0003;
pub const PROC_PDEATHSIG_CTL: ::c_int = 0x0004;
pub const PROC_PDEATHSIG_STATUS: ::c_int = 0x0005;

// https://github.com/DragonFlyBSD/DragonFlyBSD/blob/HEAD/sys/net/if.h#L101
pub const IFF_UP: ::c_int = 0x1; // interface is up
pub const IFF_BROADCAST: ::c_int = 0x2; // broadcast address valid
pub const IFF_DEBUG: ::c_int = 0x4; // turn on debugging
pub const IFF_LOOPBACK: ::c_int = 0x8; // is a loopback net
pub const IFF_POINTOPOINT: ::c_int = 0x10; // interface is point-to-point link
pub const IFF_SMART: ::c_int = 0x20; // interface manages own routes
pub const IFF_RUNNING: ::c_int = 0x40; // resources allocated
pub const IFF_NOARP: ::c_int = 0x80; // no address resolution protocol
pub const IFF_PROMISC: ::c_int = 0x100; // receive all packets
pub const IFF_ALLMULTI: ::c_int = 0x200; // receive all multicast packets
pub const IFF_OACTIVE_COMPAT: ::c_int = 0x400; // was transmission in progress
pub const IFF_SIMPLEX: ::c_int = 0x800; // can't hear own transmissions
pub const IFF_LINK0: ::c_int = 0x1000; // per link layer defined bit
pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
pub const IFF_ALTPHYS: ::c_int = IFF_LINK2; // use alternate physical connection
pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
                                           // was interface is in polling mode
pub const IFF_POLLING_COMPAT: ::c_int = 0x10000;
pub const IFF_PPROMISC: ::c_int = 0x20000; // user-requested promisc mode
pub const IFF_MONITOR: ::c_int = 0x40000; // user-requested monitor mode
pub const IFF_STATICARP: ::c_int = 0x80000; // static ARP
pub const IFF_NPOLLING: ::c_int = 0x100000; // interface is in polling mode
pub const IFF_IDIRECT: ::c_int = 0x200000; // direct input

//
// sys/netinet/in.h
// Protocols (RFC 1700)
// NOTE: These are in addition to the constants defined in src/unix/mod.rs

// IPPROTO_IP defined in src/unix/mod.rs
/// IP6 hop-by-hop options
pub const IPPROTO_HOPOPTS: ::c_int = 0;
// IPPROTO_ICMP defined in src/unix/mod.rs
/// group mgmt protocol
pub const IPPROTO_IGMP: ::c_int = 2;
/// gateway^2 (deprecated)
pub const IPPROTO_GGP: ::c_int = 3;
/// for compatibility
pub const IPPROTO_IPIP: ::c_int = 4;
// IPPROTO_TCP defined in src/unix/mod.rs
/// Stream protocol II.
pub const IPPROTO_ST: ::c_int = 7;
/// exterior gateway protocol
pub const IPPROTO_EGP: ::c_int = 8;
/// private interior gateway
pub const IPPROTO_PIGP: ::c_int = 9;
/// BBN RCC Monitoring
pub const IPPROTO_RCCMON: ::c_int = 10;
/// network voice protocol
pub const IPPROTO_NVPII: ::c_int = 11;
/// pup
pub const IPPROTO_PUP: ::c_int = 12;
/// Argus
pub const IPPROTO_ARGUS: ::c_int = 13;
/// EMCON
pub const IPPROTO_EMCON: ::c_int = 14;
/// Cross Net Debugger
pub const IPPROTO_XNET: ::c_int = 15;
/// Chaos
pub const IPPROTO_CHAOS: ::c_int = 16;
// IPPROTO_UDP defined in src/unix/mod.rs
/// Multiplexing
pub const IPPROTO_MUX: ::c_int = 18;
/// DCN Measurement Subsystems
pub const IPPROTO_MEAS: ::c_int = 19;
/// Host Monitoring
pub const IPPROTO_HMP: ::c_int = 20;
/// Packet Radio Measurement
pub const IPPROTO_PRM: ::c_int = 21;
/// xns idp
pub const IPPROTO_IDP: ::c_int = 22;
/// Trunk-1
pub const IPPROTO_TRUNK1: ::c_int = 23;
/// Trunk-2
pub const IPPROTO_TRUNK2: ::c_int = 24;
/// Leaf-1
pub const IPPROTO_LEAF1: ::c_int = 25;
/// Leaf-2
pub const IPPROTO_LEAF2: ::c_int = 26;
/// Reliable Data
pub const IPPROTO_RDP: ::c_int = 27;
/// Reliable Transaction
pub const IPPROTO_IRTP: ::c_int = 28;
/// tp-4 w/ class negotiation
pub const IPPROTO_TP: ::c_int = 29;
/// Bulk Data Transfer
pub const IPPROTO_BLT: ::c_int = 30;
/// Network Services
pub const IPPROTO_NSP: ::c_int = 31;
/// Merit Internodal
pub const IPPROTO_INP: ::c_int = 32;
/// Sequential Exchange
pub const IPPROTO_SEP: ::c_int = 33;
/// Third Party Connect
pub const IPPROTO_3PC: ::c_int = 34;
/// InterDomain Policy Routing
pub const IPPROTO_IDPR: ::c_int = 35;
/// XTP
pub const IPPROTO_XTP: ::c_int = 36;
/// Datagram Delivery
pub const IPPROTO_DDP: ::c_int = 37;
/// Control Message Transport
pub const IPPROTO_CMTP: ::c_int = 38;
/// TP++ Transport
pub const IPPROTO_TPXX: ::c_int = 39;
/// IL transport protocol
pub const IPPROTO_IL: ::c_int = 40;
// IPPROTO_IPV6 defined in src/unix/mod.rs
/// Source Demand Routing
pub const IPPROTO_SDRP: ::c_int = 42;
/// IP6 routing header
pub const IPPROTO_ROUTING: ::c_int = 43;
/// IP6 fragmentation header
pub const IPPROTO_FRAGMENT: ::c_int = 44;
/// InterDomain Routing
pub const IPPROTO_IDRP: ::c_int = 45;
/// resource reservation
pub const IPPROTO_RSVP: ::c_int = 46;
/// General Routing Encap.
pub const IPPROTO_GRE: ::c_int = 47;
/// Mobile Host Routing
pub const IPPROTO_MHRP: ::c_int = 48;
/// BHA
pub const IPPROTO_BHA: ::c_int = 49;
/// IP6 Encap Sec. Payload
pub const IPPROTO_ESP: ::c_int = 50;
/// IP6 Auth Header
pub const IPPROTO_AH: ::c_int = 51;
/// Integ. Net Layer Security
pub const IPPROTO_INLSP: ::c_int = 52;
/// IP with encryption
pub const IPPROTO_SWIPE: ::c_int = 53;
/// Next Hop Resolution
pub const IPPROTO_NHRP: ::c_int = 54;
/// IP Mobility
pub const IPPROTO_MOBILE: ::c_int = 55;
/// Transport Layer Security
pub const IPPROTO_TLSP: ::c_int = 56;
/// SKIP
pub const IPPROTO_SKIP: ::c_int = 57;
// IPPROTO_ICMPV6 defined in src/unix/mod.rs
/// IP6 no next header
pub const IPPROTO_NONE: ::c_int = 59;
/// IP6 destination option
pub const IPPROTO_DSTOPTS: ::c_int = 60;
/// any host internal protocol
pub const IPPROTO_AHIP: ::c_int = 61;
/// CFTP
pub const IPPROTO_CFTP: ::c_int = 62;
/// "hello" routing protocol
pub const IPPROTO_HELLO: ::c_int = 63;
/// SATNET/Backroom EXPAK
pub const IPPROTO_SATEXPAK: ::c_int = 64;
/// Kryptolan
pub const IPPROTO_KRYPTOLAN: ::c_int = 65;
/// Remote Virtual Disk
pub const IPPROTO_RVD: ::c_int = 66;
/// Pluribus Packet Core
pub const IPPROTO_IPPC: ::c_int = 67;
/// Any distributed FS
pub const IPPROTO_ADFS: ::c_int = 68;
/// Satnet Monitoring
pub const IPPROTO_SATMON: ::c_int = 69;
/// VISA Protocol
pub const IPPROTO_VISA: ::c_int = 70;
/// Packet Core Utility
pub const IPPROTO_IPCV: ::c_int = 71;
/// Comp. Prot. Net. Executive
pub const IPPROTO_CPNX: ::c_int = 72;
/// Comp. Prot. HeartBeat
pub const IPPROTO_CPHB: ::c_int = 73;
/// Wang Span Network
pub const IPPROTO_WSN: ::c_int = 74;
/// Packet Video Protocol
pub const IPPROTO_PVP: ::c_int = 75;
/// BackRoom SATNET Monitoring
pub const IPPROTO_BRSATMON: ::c_int = 76;
/// Sun net disk proto (temp.)
pub const IPPROTO_ND: ::c_int = 77;
/// WIDEBAND Monitoring
pub const IPPROTO_WBMON: ::c_int = 78;
/// WIDEBAND EXPAK
pub const IPPROTO_WBEXPAK: ::c_int = 79;
/// ISO cnlp
pub const IPPROTO_EON: ::c_int = 80;
/// VMTP
pub const IPPROTO_VMTP: ::c_int = 81;
/// Secure VMTP
pub const IPPROTO_SVMTP: ::c_int = 82;
/// Banyon VINES
pub const IPPROTO_VINES: ::c_int = 83;
/// TTP
pub const IPPROTO_TTP: ::c_int = 84;
/// NSFNET-IGP
pub const IPPROTO_IGP: ::c_int = 85;
/// dissimilar gateway prot.
pub const IPPROTO_DGP: ::c_int = 86;
/// TCF
pub const IPPROTO_TCF: ::c_int = 87;
/// Cisco/GXS IGRP
pub const IPPROTO_IGRP: ::c_int = 88;
/// OSPFIGP
pub const IPPROTO_OSPFIGP: ::c_int = 89;
/// Strite RPC protocol
pub const IPPROTO_SRPC: ::c_int = 90;
/// Locus Address Resoloution
pub const IPPROTO_LARP: ::c_int = 91;
/// Multicast Transport
pub const IPPROTO_MTP: ::c_int = 92;
/// AX.25 Frames
pub const IPPROTO_AX25: ::c_int = 93;
/// IP encapsulated in IP
pub const IPPROTO_IPEIP: ::c_int = 94;
/// Mobile Int.ing control
pub const IPPROTO_MICP: ::c_int = 95;
/// Semaphore Comm. security
pub const IPPROTO_SCCSP: ::c_int = 96;
/// Ethernet IP encapsulation
pub const IPPROTO_ETHERIP: ::c_int = 97;
/// encapsulation header
pub const IPPROTO_ENCAP: ::c_int = 98;
/// any private encr. scheme
pub const IPPROTO_APES: ::c_int = 99;
/// GMTP
pub const IPPROTO_GMTP: ::c_int = 100;
/// payload compression (IPComp)
pub const IPPROTO_IPCOMP: ::c_int = 108;

/* 101-254: Partly Unassigned */
/// Protocol Independent Mcast
pub const IPPROTO_PIM: ::c_int = 103;
/// CARP
pub const IPPROTO_CARP: ::c_int = 112;
/// PGM
pub const IPPROTO_PGM: ::c_int = 113;
/// PFSYNC
pub const IPPROTO_PFSYNC: ::c_int = 240;

/* 255: Reserved */
/* BSD Private, local use, namespace incursion, no longer used */
/// divert pseudo-protocol
pub const IPPROTO_DIVERT: ::c_int = 254;
pub const IPPROTO_MAX: ::c_int = 256;
/// last return value of *_input(), meaning "all job for this pkt is done".
pub const IPPROTO_DONE: ::c_int = 257;

/// Used by RSS: the layer3 protocol is unknown
pub const IPPROTO_UNKNOWN: ::c_int = 258;

// sys/netinet/tcp.h
pub const TCP_SIGNATURE_ENABLE: ::c_int = 16;
pub const TCP_KEEPINIT: ::c_int = 32;
pub const TCP_FASTKEEP: ::c_int = 128;

pub const AF_BLUETOOTH: ::c_int = 33;
pub const AF_MPLS: ::c_int = 34;
pub const AF_IEEE80211: ::c_int = 35;

pub const PF_BLUETOOTH: ::c_int = AF_BLUETOOTH;

pub const NET_RT_DUMP: ::c_int = 1;
pub const NET_RT_FLAGS: ::c_int = 2;
pub const NET_RT_IFLIST: ::c_int = 3;
pub const NET_RT_MAXID: ::c_int = 4;

pub const SOMAXOPT_SIZE: ::c_int = 65536;

pub const MSG_UNUSED09: ::c_int = 0x00000200;
pub const MSG_NOSIGNAL: ::c_int = 0x00000400;
pub const MSG_SYNC: ::c_int = 0x00000800;
pub const MSG_CMSG_CLOEXEC: ::c_int = 0x00001000;
pub const MSG_FBLOCKING: ::c_int = 0x00010000;
pub const MSG_FNONBLOCKING: ::c_int = 0x00020000;
pub const MSG_FMASK: ::c_int = 0xFFFF0000;

// sys/mount.h
pub const MNT_NODEV: ::c_int = 0x00000010;
pub const MNT_AUTOMOUNTED: ::c_int = 0x00000020;
pub const MNT_TRIM: ::c_int = 0x01000000;
pub const MNT_LOCAL: ::c_int = 0x00001000;
pub const MNT_QUOTA: ::c_int = 0x00002000;
pub const MNT_ROOTFS: ::c_int = 0x00004000;
pub const MNT_USER: ::c_int = 0x00008000;
pub const MNT_IGNORE: ::c_int = 0x00800000;

// utmpx entry types
pub const EMPTY: ::c_short = 0;
pub const RUN_LVL: ::c_short = 1;
pub const BOOT_TIME: ::c_short = 2;
pub const OLD_TIME: ::c_short = 3;
pub const NEW_TIME: ::c_short = 4;
pub const INIT_PROCESS: ::c_short = 5;
pub const LOGIN_PROCESS: ::c_short = 6;
pub const USER_PROCESS: ::c_short = 7;
pub const DEAD_PROCESS: ::c_short = 8;
pub const ACCOUNTING: ::c_short = 9;
pub const SIGNATURE: ::c_short = 10;
pub const DOWNTIME: ::c_short = 11;
// utmpx database types
pub const UTX_DB_UTMPX: ::c_uint = 0;
pub const UTX_DB_WTMPX: ::c_uint = 1;
pub const UTX_DB_LASTLOG: ::c_uint = 2;
pub const _UTX_LINESIZE: usize = 32;
pub const _UTX_USERSIZE: usize = 32;
pub const _UTX_IDSIZE: usize = 4;
pub const _UTX_HOSTSIZE: usize = 256;

pub const LC_COLLATE_MASK: ::c_int = 1 << 0;
pub const LC_CTYPE_MASK: ::c_int = 1 << 1;
pub const LC_MONETARY_MASK: ::c_int = 1 << 2;
pub const LC_NUMERIC_MASK: ::c_int = 1 << 3;
pub const LC_TIME_MASK: ::c_int = 1 << 4;
pub const LC_MESSAGES_MASK: ::c_int = 1 << 5;
pub const LC_ALL_MASK: ::c_int = LC_COLLATE_MASK
    | LC_CTYPE_MASK
    | LC_MESSAGES_MASK
    | LC_MONETARY_MASK
    | LC_NUMERIC_MASK
    | LC_TIME_MASK;

pub const TIOCSIG: ::c_ulong = 0x2000745f;
pub const BTUARTDISC: ::c_int = 0x7;
pub const TIOCDCDTIMESTAMP: ::c_ulong = 0x40107458;
pub const TIOCISPTMASTER: ::c_ulong = 0x20007455;
pub const TIOCMODG: ::c_ulong = 0x40047403;
pub const TIOCMODS: ::c_ulong = 0x80047404;
pub const TIOCREMOTE: ::c_ulong = 0x80047469;

// Constants used by "at" family of system calls.
pub const AT_FDCWD: ::c_int = 0xFFFAFDCD; // invalid file descriptor
pub const AT_SYMLINK_NOFOLLOW: ::c_int = 1;
pub const AT_REMOVEDIR: ::c_int = 2;
pub const AT_EACCESS: ::c_int = 4;
pub const AT_SYMLINK_FOLLOW: ::c_int = 8;

pub const VCHECKPT: usize = 19;

pub const _PC_2_SYMLINKS: ::c_int = 22;
pub const _PC_TIMESTAMP_RESOLUTION: ::c_int = 23;

pub const _SC_V7_ILP32_OFF32: ::c_int = 122;
pub const _SC_V7_ILP32_OFFBIG: ::c_int = 123;
pub const _SC_V7_LP64_OFF64: ::c_int = 124;
pub const _SC_V7_LPBIG_OFFBIG: ::c_int = 125;
pub const _SC_THREAD_ROBUST_PRIO_INHERIT: ::c_int = 126;
pub const _SC_THREAD_ROBUST_PRIO_PROTECT: ::c_int = 127;

pub const WCONTINUED: ::c_int = 0x4;
pub const WSTOPPED: ::c_int = 0x2;
pub const WNOWAIT: ::c_int = 0x8;
pub const WEXITED: ::c_int = 0x10;
pub const WTRAPPED: ::c_int = 0x20;

// Similar to FreeBSD, only the standardized ones are exposed.
// There are more.
pub const P_PID: idtype_t = 0;
pub const P_PGID: idtype_t = 2;
pub const P_ALL: idtype_t = 7;

// Values for struct rtprio (type_ field)
pub const RTP_PRIO_REALTIME: ::c_ushort = 0;
pub const RTP_PRIO_NORMAL: ::c_ushort = 1;
pub const RTP_PRIO_IDLE: ::c_ushort = 2;
pub const RTP_PRIO_THREAD: ::c_ushort = 3;

// Flags for chflags(2)
pub const UF_NOHISTORY: ::c_ulong = 0x00000040;
pub const UF_CACHE: ::c_ulong = 0x00000080;
pub const UF_XLINK: ::c_ulong = 0x00000100;
pub const SF_NOHISTORY: ::c_ulong = 0x00400000;
pub const SF_CACHE: ::c_ulong = 0x00800000;
pub const SF_XLINK: ::c_ulong = 0x01000000;

// timespec constants
pub const UTIME_OMIT: c_long = -2;
pub const UTIME_NOW: c_long = -1;

pub const MINCORE_SUPER: ::c_int = 0x20;

// kinfo_proc constants
pub const MAXCOMLEN: usize = 16;
pub const MAXLOGNAME: usize = 33;
pub const NGROUPS: usize = 16;

pub const RB_PAUSE: ::c_int = 0x40000;
pub const RB_VIDEO: ::c_int = 0x20000000;

const_fn! {
    {const} fn _CMSG_ALIGN(n: usize) -> usize {
        (n + (::mem::size_of::<::c_long>() - 1)) & !(::mem::size_of::<::c_long>() - 1)
    }
}

f! {
    pub fn CMSG_DATA(cmsg: *const ::cmsghdr) -> *mut ::c_uchar {
        (cmsg as *mut ::c_uchar)
            .offset(_CMSG_ALIGN(::mem::size_of::<::cmsghdr>()) as isize)
    }

    pub {const} fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
        (_CMSG_ALIGN(::mem::size_of::<::cmsghdr>()) + length as usize)
            as ::c_uint
    }

    pub fn CMSG_NXTHDR(mhdr: *const ::msghdr, cmsg: *const ::cmsghdr)
        -> *mut ::cmsghdr
    {
        let next = cmsg as usize + _CMSG_ALIGN((*cmsg).cmsg_len as usize)
            + _CMSG_ALIGN(::mem::size_of::<::cmsghdr>());
        let max = (*mhdr).msg_control as usize
            + (*mhdr).msg_controllen as usize;
        if next <= max {
            (cmsg as usize + _CMSG_ALIGN((*cmsg).cmsg_len as usize))
                as *mut ::cmsghdr
        } else {
            0 as *mut ::cmsghdr
        }
    }

    pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
        (_CMSG_ALIGN(::mem::size_of::<::cmsghdr>()) +
            _CMSG_ALIGN(length as usize)) as ::c_uint
    }

    pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () {
        for slot in cpuset.ary.iter_mut() {
            *slot = 0;
        }
    }

    pub fn CPU_SET(cpu: usize, cpuset: &mut cpu_set_t) -> () {
        let (idx, offset) = ((cpu >> 6) & 3, cpu & 63);
        cpuset.ary[idx] |= 1 << offset;
        ()
    }

    pub fn CPU_CLR(cpu: usize, cpuset: &mut cpu_set_t) -> () {
        let (idx, offset) = ((cpu >> 6) & 3, cpu & 63);
        cpuset.ary[idx] &= !(1 << offset);
        ()
    }

    pub fn CPU_ISSET(cpu: usize, cpuset: &cpu_set_t) -> bool {
        let (idx, offset) = ((cpu >> 6) & 3, cpu & 63);
        0 != cpuset.ary[idx] & (1 << offset)
    }

    pub fn major(dev: ::dev_t) -> ::c_int {
         ((dev >> 8) & 0xff) as ::c_int
    }

    pub fn minor(dev: ::dev_t) -> ::c_int {
        (dev & 0xffff00ff) as ::c_int
    }
}

safe_f! {
    pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
        (status & 0o177) != 0o177 && (status & 0o177) != 0
    }

    pub {const} fn makedev(major: ::c_uint, minor: ::c_uint) -> ::dev_t {
        let major = major as ::dev_t;
        let minor = minor as ::dev_t;
        let mut dev = 0;
        dev |= major << 8;
        dev |= minor;
        dev
    }
}

extern "C" {
    pub fn __errno_location() -> *mut ::c_int;
    pub fn setgrent();
    pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;

    pub fn setutxdb(_type: ::c_uint, file: *mut ::c_char) -> ::c_int;

    pub fn aio_waitcomplete(iocbp: *mut *mut aiocb, timeout: *mut ::timespec) -> ::c_int;

    pub fn devname_r(
        dev: ::dev_t,
        mode: ::mode_t,
        buf: *mut ::c_char,
        len: ::size_t,
    ) -> *mut ::c_char;

    pub fn waitid(
        idtype: idtype_t,
        id: ::id_t,
        infop: *mut ::siginfo_t,
        options: ::c_int,
    ) -> ::c_int;

    pub fn freelocale(loc: ::locale_t);

    pub fn lwp_rtprio(
        function: ::c_int,
        pid: ::pid_t,
        lwpid: lwpid_t,
        rtp: *mut super::rtprio,
    ) -> ::c_int;

    pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;
    pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
    pub fn uname(buf: *mut ::utsname) -> ::c_int;
    pub fn memmem(
        haystack: *const ::c_void,
        haystacklen: ::size_t,
        needle: *const ::c_void,
        needlelen: ::size_t,
    ) -> *mut ::c_void;
    pub fn pthread_spin_init(lock: *mut pthread_spinlock_t, pshared: ::c_int) -> ::c_int;
    pub fn pthread_spin_destroy(lock: *mut pthread_spinlock_t) -> ::c_int;
    pub fn pthread_spin_lock(lock: *mut pthread_spinlock_t) -> ::c_int;
    pub fn pthread_spin_trylock(lock: *mut pthread_spinlock_t) -> ::c_int;
    pub fn pthread_spin_unlock(lock: *mut pthread_spinlock_t) -> ::c_int;

    pub fn sched_getaffinity(pid: ::pid_t, cpusetsize: ::size_t, mask: *mut cpu_set_t) -> ::c_int;
    pub fn sched_setaffinity(pid: ::pid_t, cpusetsize: ::size_t, mask: *const cpu_set_t)
        -> ::c_int;
    pub fn sched_getcpu() -> ::c_int;
    pub fn setproctitle(fmt: *const ::c_char, ...);

    pub fn shmget(key: ::key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int;
    pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void, shmflg: ::c_int) -> *mut ::c_void;
    pub fn shmdt(shmaddr: *const ::c_void) -> ::c_int;
    pub fn shmctl(shmid: ::c_int, cmd: ::c_int, buf: *mut ::shmid_ds) -> ::c_int;
    pub fn procctl(idtype: ::idtype_t, id: ::id_t, cmd: ::c_int, data: *mut ::c_void) -> ::c_int;

    pub fn updwtmpx(file: *const ::c_char, ut: *const utmpx) -> ::c_int;
    pub fn getlastlogx(fname: *const ::c_char, uid: ::uid_t, ll: *mut lastlogx) -> *mut lastlogx;
    pub fn updlastlogx(fname: *const ::c_char, uid: ::uid_t, ll: *mut lastlogx) -> ::c_int;
    pub fn getutxuser(name: *const ::c_char) -> utmpx;
    pub fn utmpxname(file: *const ::c_char) -> ::c_int;

    pub fn sys_checkpoint(tpe: ::c_int, fd: ::c_int, pid: ::pid_t, retval: ::c_int) -> ::c_int;

    pub fn umtx_sleep(ptr: *const ::c_int, value: ::c_int, timeout: ::c_int) -> ::c_int;
    pub fn umtx_wakeup(ptr: *const ::c_int, count: ::c_int) -> ::c_int;

    pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
    pub fn basename(path: *mut ::c_char) -> *mut ::c_char;
}

#[link(name = "rt")]
extern "C" {
    pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
    pub fn aio_error(aiocbp: *const aiocb) -> ::c_int;
    pub fn aio_fsync(op: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
    pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
    pub fn aio_return(aiocbp: *mut aiocb) -> ::ssize_t;
    pub fn aio_suspend(
        aiocb_list: *const *const aiocb,
        nitems: ::c_int,
        timeout: *const ::timespec,
    ) -> ::c_int;
    pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
    pub fn lio_listio(
        mode: ::c_int,
        aiocb_list: *const *mut aiocb,
        nitems: ::c_int,
        sevp: *mut sigevent,
    ) -> ::c_int;

    pub fn reallocf(ptr: *mut ::c_void, size: ::size_t) -> *mut ::c_void;
    pub fn freezero(ptr: *mut ::c_void, size: ::size_t);
}

#[link(name = "kvm")]
extern "C" {
    pub fn kvm_vm_map_entry_first(
        kvm: *mut ::kvm_t,
        map: vm_map_t,
        entry: vm_map_entry_t,
    ) -> vm_map_entry_t;
    pub fn kvm_vm_map_entry_next(
        kvm: *mut ::kvm_t,
        map: vm_map_entry_t,
        entry: vm_map_entry_t,
    ) -> vm_map_entry_t;
}

cfg_if! {
    if #[cfg(libc_thread_local)] {
        mod errno;
        pub use self::errno::*;
    }
}