libc/unix/linux_like/linux/musl/
mod.rs

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
pub type pthread_t = *mut ::c_void;
pub type clock_t = c_long;
#[cfg_attr(
    not(feature = "rustc-dep-of-std"),
    deprecated(
        since = "0.2.80",
        note = "This type is changed to 64-bit in musl 1.2.0, \
                we'll follow that change in the future release. \
                See #1848 for more info."
    )
)]
pub type time_t = c_long;
pub type suseconds_t = c_long;
pub type ino_t = u64;
pub type off_t = i64;
pub type blkcnt_t = i64;

pub type shmatt_t = ::c_ulong;
pub type msgqnum_t = ::c_ulong;
pub type msglen_t = ::c_ulong;
pub type fsblkcnt_t = ::c_ulonglong;
pub type fsfilcnt_t = ::c_ulonglong;
pub type rlim_t = ::c_ulonglong;

cfg_if! {
    if #[cfg(doc)] {
        // Used in `linux::arch` to define ioctl constants.
        pub(crate) type Ioctl = ::c_int;
    } else {
        #[doc(hidden)]
        pub type Ioctl = ::c_int;
    }
}

impl siginfo_t {
    pub unsafe fn si_addr(&self) -> *mut ::c_void {
        #[repr(C)]
        struct siginfo_sigfault {
            _si_signo: ::c_int,
            _si_errno: ::c_int,
            _si_code: ::c_int,
            si_addr: *mut ::c_void,
        }
        (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
    }

    pub unsafe fn si_value(&self) -> ::sigval {
        #[repr(C)]
        struct siginfo_si_value {
            _si_signo: ::c_int,
            _si_errno: ::c_int,
            _si_code: ::c_int,
            _si_timerid: ::c_int,
            _si_overrun: ::c_int,
            si_value: ::sigval,
        }
        (*(self as *const siginfo_t as *const siginfo_si_value)).si_value
    }
}

cfg_if! {
    if #[cfg(libc_union)] {
        // Internal, for casts to access union fields
        #[repr(C)]
        struct sifields_sigchld {
            si_pid: ::pid_t,
            si_uid: ::uid_t,
            si_status: ::c_int,
            si_utime: ::c_long,
            si_stime: ::c_long,
        }
        impl ::Copy for sifields_sigchld {}
        impl ::Clone for sifields_sigchld {
            fn clone(&self) -> sifields_sigchld {
                *self
            }
        }

        // Internal, for casts to access union fields
        #[repr(C)]
        union sifields {
            _align_pointer: *mut ::c_void,
            sigchld: sifields_sigchld,
        }

        // Internal, for casts to access union fields. Note that some variants
        // of sifields start with a pointer, which makes the alignment of
        // sifields vary on 32-bit and 64-bit architectures.
        #[repr(C)]
        struct siginfo_f {
            _siginfo_base: [::c_int; 3],
            sifields: sifields,
        }

        impl siginfo_t {
            unsafe fn sifields(&self) -> &sifields {
                &(*(self as *const siginfo_t as *const siginfo_f)).sifields
            }

            pub unsafe fn si_pid(&self) -> ::pid_t {
                self.sifields().sigchld.si_pid
            }

            pub unsafe fn si_uid(&self) -> ::uid_t {
                self.sifields().sigchld.si_uid
            }

            pub unsafe fn si_status(&self) -> ::c_int {
                self.sifields().sigchld.si_status
            }

            pub unsafe fn si_utime(&self) -> ::c_long {
                self.sifields().sigchld.si_utime
            }

            pub unsafe fn si_stime(&self) -> ::c_long {
                self.sifields().sigchld.si_stime
            }
        }
    }
}

s! {
    pub struct aiocb {
        pub aio_fildes: ::c_int,
        pub aio_lio_opcode: ::c_int,
        pub aio_reqprio: ::c_int,
        pub aio_buf: *mut ::c_void,
        pub aio_nbytes: ::size_t,
        pub aio_sigevent: ::sigevent,
        __td: *mut ::c_void,
        __lock: [::c_int; 2],
        __err: ::c_int,
        __ret: ::ssize_t,
        pub aio_offset: off_t,
        __next: *mut ::c_void,
        __prev: *mut ::c_void,
        #[cfg(target_pointer_width = "32")]
        __dummy4: [::c_char; 24],
        #[cfg(target_pointer_width = "64")]
        __dummy4: [::c_char; 16],
    }

    pub struct sigaction {
        pub sa_sigaction: ::sighandler_t,
        pub sa_mask: ::sigset_t,
        pub sa_flags: ::c_int,
        pub sa_restorer: ::Option<extern fn()>,
    }

    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,
        #[cfg(target_endian = "little")]
        pub f_fsid: ::c_ulong,
        #[cfg(target_pointer_width = "32")]
        __f_unused: ::c_int,
        #[cfg(target_endian = "big")]
        pub f_fsid: ::c_ulong,
        pub f_flag: ::c_ulong,
        pub f_namemax: ::c_ulong,
        __f_spare: [::c_int; 6],
    }

    pub struct termios {
        pub c_iflag: ::tcflag_t,
        pub c_oflag: ::tcflag_t,
        pub c_cflag: ::tcflag_t,
        pub c_lflag: ::tcflag_t,
        pub c_line: ::cc_t,
        pub c_cc: [::cc_t; ::NCCS],
        pub __c_ispeed: ::speed_t,
        pub __c_ospeed: ::speed_t,
    }

    pub struct flock {
        pub l_type: ::c_short,
        pub l_whence: ::c_short,
        pub l_start: ::off_t,
        pub l_len: ::off_t,
        pub l_pid: ::pid_t,
    }

    pub struct flock64 {
        pub l_type: ::c_short,
        pub l_whence: ::c_short,
        pub l_start: ::off64_t,
        pub l_len: ::off64_t,
        pub l_pid: ::pid_t,
    }

    pub struct regex_t {
        __re_nsub: ::size_t,
        __opaque: *mut ::c_void,
        __padding: [*mut ::c_void; 4usize],
        __nsub2: ::size_t,
        __padding2: ::c_char,
    }

    pub struct rtentry {
        pub rt_pad1: ::c_ulong,
        pub rt_dst: ::sockaddr,
        pub rt_gateway: ::sockaddr,
        pub rt_genmask: ::sockaddr,
        pub rt_flags: ::c_ushort,
        pub rt_pad2: ::c_short,
        pub rt_pad3: ::c_ulong,
        pub rt_tos: ::c_uchar,
        pub rt_class: ::c_uchar,
        #[cfg(target_pointer_width = "64")]
        pub rt_pad4: [::c_short; 3usize],
        #[cfg(not(target_pointer_width = "64"))]
        pub rt_pad4: [::c_short; 1usize],
        pub rt_metric: ::c_short,
        pub rt_dev: *mut ::c_char,
        pub rt_mtu: ::c_ulong,
        pub rt_window: ::c_ulong,
        pub rt_irtt: ::c_ushort,
    }

    pub struct __exit_status {
        pub e_termination: ::c_short,
        pub e_exit: ::c_short,
    }

    pub struct Elf64_Chdr {
        pub ch_type: ::Elf64_Word,
        pub ch_reserved: ::Elf64_Word,
        pub ch_size: ::Elf64_Xword,
        pub ch_addralign: ::Elf64_Xword,
    }

    pub struct Elf32_Chdr {
        pub ch_type: ::Elf32_Word,
        pub ch_size: ::Elf32_Word,
        pub ch_addralign: ::Elf32_Word,
    }

    pub struct timex {
        pub modes: ::c_uint,
        pub offset: ::c_long,
        pub freq: ::c_long,
        pub maxerror: ::c_long,
        pub esterror: ::c_long,
        pub status: ::c_int,
        pub constant: ::c_long,
        pub precision: ::c_long,
        pub tolerance: ::c_long,
        pub time: ::timeval,
        pub tick: ::c_long,
        pub ppsfreq: ::c_long,
        pub jitter: ::c_long,
        pub shift: ::c_int,
        pub stabil: ::c_long,
        pub jitcnt: ::c_long,
        pub calcnt: ::c_long,
        pub errcnt: ::c_long,
        pub stbcnt: ::c_long,
        pub tai: ::c_int,
        pub __padding: [::c_int; 11],
    }

    pub struct ntptimeval {
        pub time: ::timeval,
        pub maxerror: ::c_long,
        pub esterror: ::c_long,
    }

    // linux/if_xdp.h

    pub struct sockaddr_xdp {
        pub sxdp_family: ::__u16,
        pub sxdp_flags: ::__u16,
        pub sxdp_ifindex: ::__u32,
        pub sxdp_queue_id: ::__u32,
        pub sxdp_shared_umem_fd: ::__u32,
    }

    pub struct xdp_ring_offset {
        pub producer: ::__u64,
        pub consumer: ::__u64,
        pub desc: ::__u64,
        pub flags: ::__u64,
    }

    pub struct xdp_mmap_offsets {
        pub rx: xdp_ring_offset,
        pub tx: xdp_ring_offset,
        pub fr: xdp_ring_offset,
        pub cr: xdp_ring_offset,
    }

    pub struct xdp_ring_offset_v1 {
        pub producer: ::__u64,
        pub consumer: ::__u64,
        pub desc: ::__u64,
    }

    pub struct xdp_mmap_offsets_v1 {
        pub rx: xdp_ring_offset_v1,
        pub tx: xdp_ring_offset_v1,
        pub fr: xdp_ring_offset_v1,
        pub cr: xdp_ring_offset_v1,
    }

    pub struct xdp_umem_reg {
        pub addr: ::__u64,
        pub len: ::__u64,
        pub chunk_size: ::__u32,
        pub headroom: ::__u32,
        pub flags: ::__u32,
    }

    pub struct xdp_umem_reg_v1 {
        pub addr: ::__u64,
        pub len: ::__u64,
        pub chunk_size: ::__u32,
        pub headroom: ::__u32,
    }

    pub struct xdp_statistics {
        pub rx_dropped: ::__u64,
        pub rx_invalid_descs: ::__u64,
        pub tx_invalid_descs: ::__u64,
        pub rx_ring_full: ::__u64,
        pub rx_fill_ring_empty_descs: ::__u64,
        pub tx_ring_empty_descs: ::__u64,
    }

    pub struct xdp_statistics_v1 {
        pub rx_dropped: ::__u64,
        pub rx_invalid_descs: ::__u64,
        pub tx_invalid_descs: ::__u64,
    }

    pub struct xdp_options {
        pub flags: ::__u32,
    }

    pub struct xdp_desc {
        pub addr: ::__u64,
        pub len: ::__u32,
        pub options: ::__u32,
    }

    // netinet/tcp.h

    pub struct tcp_info {
        pub tcpi_state: u8,
        pub tcpi_ca_state: u8,
        pub tcpi_retransmits: u8,
        pub tcpi_probes: u8,
        pub tcpi_backoff: u8,
        pub tcpi_options: u8,
        /*
         * FIXME(musl): when musl headers are more up to date
        /// This contains the bitfields `tcpi_snd_wscale` and `tcpi_rcv_wscale`.
        /// Each is 4 bits.
        pub tcpi_snd_rcv_wscale: u8,
        /// This contains the bitfields `tcpi_delivery_rate_app_limited` (1 bit) and
        /// `tcpi_fastopen_client_fail` (2 bits).
        pub tcpi_delivery_fastopen_bitfields: u8,
        */
        pub tcpi_rto: u32,
        pub tcpi_ato: u32,
        pub tcpi_snd_mss: u32,
        pub tcpi_rcv_mss: u32,
        pub tcpi_unacked: u32,
        pub tcpi_sacked: u32,
        pub tcpi_lost: u32,
        pub tcpi_retrans: u32,
        pub tcpi_fackets: u32,
        pub tcpi_last_data_sent: u32,
        pub tcpi_last_ack_sent: u32,
        pub tcpi_last_data_recv: u32,
        pub tcpi_last_ack_recv: u32,
        pub tcpi_pmtu: u32,
        pub tcpi_rcv_ssthresh: u32,
        pub tcpi_rtt: u32,
        pub tcpi_rttvar: u32,
        pub tcpi_snd_ssthresh: u32,
        pub tcpi_snd_cwnd: u32,
        pub tcpi_advmss: u32,
        pub tcpi_reordering: u32,
        pub tcpi_rcv_rtt: u32,
        pub tcpi_rcv_space: u32,
        pub tcpi_total_retrans: u32,
        pub tcpi_pacing_rate: u64,
        pub tcpi_max_pacing_rate: u64,
        pub tcpi_bytes_acked: u64,
        pub tcpi_bytes_received: u64,
        pub tcpi_segs_out: u32,
        pub tcpi_segs_in: u32,
        pub tcpi_notsent_bytes: u32,
        pub tcpi_min_rtt: u32,
        pub tcpi_data_segs_in: u32,
        pub tcpi_data_segs_out: u32,
        pub tcpi_delivery_rate: u64,
        pub tcpi_busy_time: u64,
        pub tcpi_rwnd_limited: u64,
        pub tcpi_sndbuf_limited: u64,
        pub tcpi_delivered: u32,
        pub tcpi_delivered_ce: u32,
        pub tcpi_bytes_sent: u64,
        pub tcpi_bytes_retrans: u64,
        pub tcpi_dsack_dups: u32,
        pub tcpi_reord_seen: u32,
        // FIXME(musl): to uncomment once CI musl is updated
        //pub tcpi_rcv_ooopack: u32,
        //pub tcpi_snd_wnd: u32,
    }
}

s_no_extra_traits! {
    pub struct sysinfo {
        pub uptime: ::c_ulong,
        pub loads: [::c_ulong; 3],
        pub totalram: ::c_ulong,
        pub freeram: ::c_ulong,
        pub sharedram: ::c_ulong,
        pub bufferram: ::c_ulong,
        pub totalswap: ::c_ulong,
        pub freeswap: ::c_ulong,
        pub procs: ::c_ushort,
        pub pad: ::c_ushort,
        pub totalhigh: ::c_ulong,
        pub freehigh: ::c_ulong,
        pub mem_unit: ::c_uint,
        pub __reserved: [::c_char; 256],
    }

    // FIXME: musl added paddings and adjusted
    // layout in 1.2.0 but our CI is still 1.1.24.
    // So, I'm leaving some fields as cfg for now.
    // ref. https://github.com/bminor/musl/commit/
    // 1e7f0fcd7ff2096904fd93a2ee6d12a2392be392
    //
    // OpenHarmony uses the musl 1.2 layout.
    pub struct utmpx {
        pub ut_type: ::c_short,
        __ut_pad1: ::c_short,
        pub ut_pid: ::pid_t,
        pub ut_line: [::c_char; 32],
        pub ut_id: [::c_char; 4],
        pub ut_user: [::c_char; 32],
        pub ut_host: [::c_char; 256],
        pub ut_exit: __exit_status,

        #[cfg(target_env = "musl")]
        pub ut_session: ::c_long,

        #[cfg(target_env = "ohos")]
        #[cfg(target_endian = "little")]
        pub ut_session: ::c_int,
        #[cfg(target_env = "ohos")]
        #[cfg(target_endian = "little")]
        __ut_pad2: ::c_int,

        #[cfg(target_env = "ohos")]
        #[cfg(not(target_endian = "little"))]
        __ut_pad2: ::c_int,
        #[cfg(target_env = "ohos")]
        #[cfg(not(target_endian = "little"))]
        pub ut_session: ::c_int,

        pub ut_tv: ::timeval,
        pub ut_addr_v6: [::c_uint; 4],
        __unused: [::c_char; 20],
    }
}

cfg_if! {
    if #[cfg(feature = "extra_traits")] {
        impl PartialEq for sysinfo {
            fn eq(&self, other: &sysinfo) -> bool {
                self.uptime == other.uptime
                    && self.loads == other.loads
                    && self.totalram == other.totalram
                    && self.freeram == other.freeram
                    && self.sharedram == other.sharedram
                    && self.bufferram == other.bufferram
                    && self.totalswap == other.totalswap
                    && self.freeswap == other.freeswap
                    && self.procs == other.procs
                    && self.pad == other.pad
                    && self.totalhigh == other.totalhigh
                    && self.freehigh == other.freehigh
                    && self.mem_unit == other.mem_unit
                    && self
                        .__reserved
                        .iter()
                        .zip(other.__reserved.iter())
                        .all(|(a,b)| a == b)
            }
        }

        impl Eq for sysinfo {}

        impl ::fmt::Debug for sysinfo {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sysinfo")
                    .field("uptime", &self.uptime)
                    .field("loads", &self.loads)
                    .field("totalram", &self.totalram)
                    .field("freeram", &self.freeram)
                    .field("sharedram", &self.sharedram)
                    .field("bufferram", &self.bufferram)
                    .field("totalswap", &self.totalswap)
                    .field("freeswap", &self.freeswap)
                    .field("procs", &self.procs)
                    .field("pad", &self.pad)
                    .field("totalhigh", &self.totalhigh)
                    .field("freehigh", &self.freehigh)
                    .field("mem_unit", &self.mem_unit)
                    // FIXME: .field("__reserved", &self.__reserved)
                    .finish()
            }
        }

        impl ::hash::Hash for sysinfo {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.uptime.hash(state);
                self.loads.hash(state);
                self.totalram.hash(state);
                self.freeram.hash(state);
                self.sharedram.hash(state);
                self.bufferram.hash(state);
                self.totalswap.hash(state);
                self.freeswap.hash(state);
                self.procs.hash(state);
                self.pad.hash(state);
                self.totalhigh.hash(state);
                self.freehigh.hash(state);
                self.mem_unit.hash(state);
                self.__reserved.hash(state);
            }
        }

        impl PartialEq for utmpx {
            fn eq(&self, other: &utmpx) -> bool {
                self.ut_type == other.ut_type
                    //&& self.__ut_pad1 == other.__ut_pad1
                    && self.ut_pid == other.ut_pid
                    && self.ut_line == other.ut_line
                    && self.ut_id == other.ut_id
                    && self.ut_user == other.ut_user
                    && self
                        .ut_host
                        .iter()
                        .zip(other.ut_host.iter())
                        .all(|(a,b)| a == b)
                    && self.ut_exit == other.ut_exit
                    && self.ut_session == other.ut_session
                    //&& self.__ut_pad2 == other.__ut_pad2
                    && self.ut_tv == other.ut_tv
                    && self.ut_addr_v6 == other.ut_addr_v6
                    && self.__unused == other.__unused
            }
        }

        impl Eq for utmpx {}

        impl ::fmt::Debug for utmpx {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utmpx")
                    .field("ut_type", &self.ut_type)
                    //.field("__ut_pad1", &self.__ut_pad1)
                    .field("ut_pid", &self.ut_pid)
                    .field("ut_line", &self.ut_line)
                    .field("ut_id", &self.ut_id)
                    .field("ut_user", &self.ut_user)
                    //FIXME: .field("ut_host", &self.ut_host)
                    .field("ut_exit", &self.ut_exit)
                    .field("ut_session", &self.ut_session)
                    //.field("__ut_pad2", &self.__ut_pad2)
                    .field("ut_tv", &self.ut_tv)
                    .field("ut_addr_v6", &self.ut_addr_v6)
                    .field("__unused", &self.__unused)
                    .finish()
            }
        }

        impl ::hash::Hash for utmpx {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ut_type.hash(state);
                //self.__ut_pad1.hash(state);
                self.ut_pid.hash(state);
                self.ut_line.hash(state);
                self.ut_id.hash(state);
                self.ut_user.hash(state);
                self.ut_host.hash(state);
                self.ut_exit.hash(state);
                self.ut_session.hash(state);
                //self.__ut_pad2.hash(state);
                self.ut_tv.hash(state);
                self.ut_addr_v6.hash(state);
                self.__unused.hash(state);
            }
        }
    }
}

// include/sys/mman.h
/*
 * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
 * size other than the default is desired.  See hugetlb_encode.h.
 * All known huge page size encodings are provided here.  It is the
 * responsibility of the application to know which sizes are supported on
 * the running system.  See mmap(2) man page for details.
 */
pub const MAP_HUGE_SHIFT: ::c_int = 26;
pub const MAP_HUGE_MASK: ::c_int = 0x3f;

pub const MAP_HUGE_64KB: ::c_int = 16 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_512KB: ::c_int = 19 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_1MB: ::c_int = 20 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_2MB: ::c_int = 21 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_8MB: ::c_int = 23 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_16MB: ::c_int = 24 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_32MB: ::c_int = 25 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_256MB: ::c_int = 28 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_512MB: ::c_int = 29 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_1GB: ::c_int = 30 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_2GB: ::c_int = 31 << MAP_HUGE_SHIFT;
pub const MAP_HUGE_16GB: ::c_int = 34 << MAP_HUGE_SHIFT;

pub const MS_RMT_MASK: ::c_ulong = 0x02800051;

// include/utmpx.h
pub const EMPTY: ::c_short = 0;
pub const RUN_LVL: ::c_short = 1;
pub const BOOT_TIME: ::c_short = 2;
pub const NEW_TIME: ::c_short = 3;
pub const OLD_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;
// musl does not define ACCOUNTING

pub const SFD_CLOEXEC: ::c_int = 0x080000;

pub const NCCS: usize = 32;

pub const O_TRUNC: ::c_int = 512;
pub const O_NOATIME: ::c_int = 0o1000000;
pub const O_CLOEXEC: ::c_int = 0x80000;
pub const O_TMPFILE: ::c_int = 0o20000000 | O_DIRECTORY;

pub const EBFONT: ::c_int = 59;
pub const ENOSTR: ::c_int = 60;
pub const ENODATA: ::c_int = 61;
pub const ETIME: ::c_int = 62;
pub const ENOSR: ::c_int = 63;
pub const ENONET: ::c_int = 64;
pub const ENOPKG: ::c_int = 65;
pub const EREMOTE: ::c_int = 66;
pub const ENOLINK: ::c_int = 67;
pub const EADV: ::c_int = 68;
pub const ESRMNT: ::c_int = 69;
pub const ECOMM: ::c_int = 70;
pub const EPROTO: ::c_int = 71;
pub const EDOTDOT: ::c_int = 73;

pub const F_OFD_GETLK: ::c_int = 36;
pub const F_OFD_SETLK: ::c_int = 37;
pub const F_OFD_SETLKW: ::c_int = 38;

pub const F_RDLCK: ::c_int = 0;
pub const F_WRLCK: ::c_int = 1;
pub const F_UNLCK: ::c_int = 2;

pub const SA_NODEFER: ::c_int = 0x40000000;
pub const SA_RESETHAND: ::c_int = 0x80000000;
pub const SA_RESTART: ::c_int = 0x10000000;
pub const SA_NOCLDSTOP: ::c_int = 0x00000001;

pub const EPOLL_CLOEXEC: ::c_int = 0x80000;

pub const EFD_CLOEXEC: ::c_int = 0x80000;

pub const BUFSIZ: ::c_uint = 1024;
pub const TMP_MAX: ::c_uint = 10000;
pub const FOPEN_MAX: ::c_uint = 1000;
pub const FILENAME_MAX: ::c_uint = 4096;
pub const O_PATH: ::c_int = 0o10000000;
pub const O_EXEC: ::c_int = 0o10000000;
pub const O_SEARCH: ::c_int = 0o10000000;
pub const O_ACCMODE: ::c_int = 0o10000003;
pub const O_NDELAY: ::c_int = O_NONBLOCK;
pub const NI_MAXHOST: ::socklen_t = 255;
pub const PTHREAD_STACK_MIN: ::size_t = 2048;

pub const POSIX_MADV_DONTNEED: ::c_int = 4;

pub const MAP_ANONYMOUS: ::c_int = MAP_ANON;

pub const SOCK_SEQPACKET: ::c_int = 5;
pub const SOCK_DCCP: ::c_int = 6;
pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
pub const SOCK_PACKET: ::c_int = 10;

pub const SOMAXCONN: ::c_int = 128;

#[deprecated(since = "0.2.55", note = "Use SIGSYS instead")]
pub const SIGUNUSED: ::c_int = ::SIGSYS;

pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 4;
pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 8;
pub const __SIZEOF_PTHREAD_BARRIERATTR_T: usize = 4;

pub const CPU_SETSIZE: ::c_int = 128;

pub const PTRACE_TRACEME: ::c_int = 0;
pub const PTRACE_PEEKTEXT: ::c_int = 1;
pub const PTRACE_PEEKDATA: ::c_int = 2;
pub const PTRACE_PEEKUSER: ::c_int = 3;
pub const PTRACE_POKETEXT: ::c_int = 4;
pub const PTRACE_POKEDATA: ::c_int = 5;
pub const PTRACE_POKEUSER: ::c_int = 6;
pub const PTRACE_CONT: ::c_int = 7;
pub const PTRACE_KILL: ::c_int = 8;
pub const PTRACE_SINGLESTEP: ::c_int = 9;
pub const PTRACE_GETREGS: ::c_int = 12;
pub const PTRACE_SETREGS: ::c_int = 13;
pub const PTRACE_GETFPREGS: ::c_int = 14;
pub const PTRACE_SETFPREGS: ::c_int = 15;
pub const PTRACE_ATTACH: ::c_int = 16;
pub const PTRACE_DETACH: ::c_int = 17;
pub const PTRACE_GETFPXREGS: ::c_int = 18;
pub const PTRACE_SETFPXREGS: ::c_int = 19;
pub const PTRACE_SYSCALL: ::c_int = 24;
pub const PTRACE_SETOPTIONS: ::c_int = 0x4200;
pub const PTRACE_GETEVENTMSG: ::c_int = 0x4201;
pub const PTRACE_GETSIGINFO: ::c_int = 0x4202;
pub const PTRACE_SETSIGINFO: ::c_int = 0x4203;
pub const PTRACE_GETREGSET: ::c_int = 0x4204;
pub const PTRACE_SETREGSET: ::c_int = 0x4205;
pub const PTRACE_SEIZE: ::c_int = 0x4206;
pub const PTRACE_INTERRUPT: ::c_int = 0x4207;
pub const PTRACE_LISTEN: ::c_int = 0x4208;
pub const PTRACE_PEEKSIGINFO: ::c_int = 0x4209;
pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;

pub const RWF_HIPRI: ::c_int = 0x00000001;
pub const RWF_DSYNC: ::c_int = 0x00000002;
pub const RWF_SYNC: ::c_int = 0x00000004;
pub const RWF_NOWAIT: ::c_int = 0x00000008;
pub const RWF_APPEND: ::c_int = 0x00000010;

pub const AF_IB: ::c_int = 27;
pub const AF_MPLS: ::c_int = 28;
pub const AF_NFC: ::c_int = 39;
pub const AF_VSOCK: ::c_int = 40;
pub const AF_XDP: ::c_int = 44;
pub const PF_IB: ::c_int = AF_IB;
pub const PF_MPLS: ::c_int = AF_MPLS;
pub const PF_NFC: ::c_int = AF_NFC;
pub const PF_VSOCK: ::c_int = AF_VSOCK;
pub const PF_XDP: ::c_int = AF_XDP;

pub const EFD_NONBLOCK: ::c_int = ::O_NONBLOCK;

pub const SFD_NONBLOCK: ::c_int = ::O_NONBLOCK;

pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;

pub const TCSANOW: ::c_int = 0;
pub const TCSADRAIN: ::c_int = 1;
pub const TCSAFLUSH: ::c_int = 2;

pub const RTLD_GLOBAL: ::c_int = 0x100;
pub const RTLD_NOLOAD: ::c_int = 0x4;

pub const CLOCK_SGI_CYCLE: ::clockid_t = 10;

pub const B0: ::speed_t = 0o000000;
pub const B50: ::speed_t = 0o000001;
pub const B75: ::speed_t = 0o000002;
pub const B110: ::speed_t = 0o000003;
pub const B134: ::speed_t = 0o000004;
pub const B150: ::speed_t = 0o000005;
pub const B200: ::speed_t = 0o000006;
pub const B300: ::speed_t = 0o000007;
pub const B600: ::speed_t = 0o000010;
pub const B1200: ::speed_t = 0o000011;
pub const B1800: ::speed_t = 0o000012;
pub const B2400: ::speed_t = 0o000013;
pub const B4800: ::speed_t = 0o000014;
pub const B9600: ::speed_t = 0o000015;
pub const B19200: ::speed_t = 0o000016;
pub const B38400: ::speed_t = 0o000017;
pub const EXTA: ::speed_t = B19200;
pub const EXTB: ::speed_t = B38400;

pub const REG_OK: ::c_int = 0;

pub const PRIO_PROCESS: ::c_int = 0;
pub const PRIO_PGRP: ::c_int = 1;
pub const PRIO_USER: ::c_int = 2;

pub const ADJ_OFFSET: ::c_uint = 0x0001;
pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
pub const ADJ_MAXERROR: ::c_uint = 0x0004;
pub const ADJ_ESTERROR: ::c_uint = 0x0008;
pub const ADJ_STATUS: ::c_uint = 0x0010;
pub const ADJ_TIMECONST: ::c_uint = 0x0020;
pub const ADJ_TAI: ::c_uint = 0x0080;
pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
pub const ADJ_MICRO: ::c_uint = 0x1000;
pub const ADJ_NANO: ::c_uint = 0x2000;
pub const ADJ_TICK: ::c_uint = 0x4000;
pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
pub const MOD_CLKB: ::c_uint = ADJ_TICK;
pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
pub const MOD_TAI: ::c_uint = ADJ_TAI;
pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
pub const MOD_NANO: ::c_uint = ADJ_NANO;
pub const STA_PLL: ::c_int = 0x0001;
pub const STA_PPSFREQ: ::c_int = 0x0002;
pub const STA_PPSTIME: ::c_int = 0x0004;
pub const STA_FLL: ::c_int = 0x0008;
pub const STA_INS: ::c_int = 0x0010;
pub const STA_DEL: ::c_int = 0x0020;
pub const STA_UNSYNC: ::c_int = 0x0040;
pub const STA_FREQHOLD: ::c_int = 0x0080;
pub const STA_PPSSIGNAL: ::c_int = 0x0100;
pub const STA_PPSJITTER: ::c_int = 0x0200;
pub const STA_PPSWANDER: ::c_int = 0x0400;
pub const STA_PPSERROR: ::c_int = 0x0800;
pub const STA_CLOCKERR: ::c_int = 0x1000;
pub const STA_NANO: ::c_int = 0x2000;
pub const STA_MODE: ::c_int = 0x4000;
pub const STA_CLK: ::c_int = 0x8000;
pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
    | STA_PPSJITTER
    | STA_PPSWANDER
    | STA_PPSERROR
    | STA_CLOCKERR
    | STA_NANO
    | STA_MODE
    | STA_CLK;

pub const TIME_OK: ::c_int = 0;
pub const TIME_INS: ::c_int = 1;
pub const TIME_DEL: ::c_int = 2;
pub const TIME_OOP: ::c_int = 3;
pub const TIME_WAIT: ::c_int = 4;
pub const TIME_ERROR: ::c_int = 5;
pub const TIME_BAD: ::c_int = TIME_ERROR;
pub const MAXTC: ::c_long = 6;

pub const SOL_XDP: ::c_int = 283;

// linux/if_xdp.h
pub const XDP_SHARED_UMEM: ::__u16 = 1 << 0;
pub const XDP_COPY: ::__u16 = 1 << 1;
pub const XDP_ZEROCOPY: ::__u16 = 1 << 2;
pub const XDP_USE_NEED_WAKEUP: ::__u16 = 1 << 3;
pub const XDP_USE_SG: ::__u16 = 1 << 4;

pub const XDP_UMEM_UNALIGNED_CHUNK_FLAG: ::__u32 = 1 << 0;

pub const XDP_RING_NEED_WAKEUP: ::__u32 = 1 << 0;

pub const XDP_MMAP_OFFSETS: ::c_int = 1;
pub const XDP_RX_RING: ::c_int = 2;
pub const XDP_TX_RING: ::c_int = 3;
pub const XDP_UMEM_REG: ::c_int = 4;
pub const XDP_UMEM_FILL_RING: ::c_int = 5;
pub const XDP_UMEM_COMPLETION_RING: ::c_int = 6;
pub const XDP_STATISTICS: ::c_int = 7;
pub const XDP_OPTIONS: ::c_int = 8;

pub const XDP_OPTIONS_ZEROCOPY: ::__u32 = 1 << 0;

pub const XDP_PGOFF_RX_RING: ::off_t = 0;
pub const XDP_PGOFF_TX_RING: ::off_t = 0x80000000;
pub const XDP_UMEM_PGOFF_FILL_RING: ::c_ulonglong = 0x100000000;
pub const XDP_UMEM_PGOFF_COMPLETION_RING: ::c_ulonglong = 0x180000000;

pub const XSK_UNALIGNED_BUF_OFFSET_SHIFT: ::c_int = 48;
pub const XSK_UNALIGNED_BUF_ADDR_MASK: ::c_ulonglong = (1 << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1;

pub const XDP_PKT_CONTD: ::__u32 = 1 << 0;

cfg_if! {
    if #[cfg(target_arch = "s390x")] {
        pub const POSIX_FADV_DONTNEED: ::c_int = 6;
        pub const POSIX_FADV_NOREUSE: ::c_int = 7;
    } else {
        pub const POSIX_FADV_DONTNEED: ::c_int = 4;
        pub const POSIX_FADV_NOREUSE: ::c_int = 5;
    }
}

extern "C" {
    pub fn sendmmsg(
        sockfd: ::c_int,
        msgvec: *mut ::mmsghdr,
        vlen: ::c_uint,
        flags: ::c_uint,
    ) -> ::c_int;
    pub fn recvmmsg(
        sockfd: ::c_int,
        msgvec: *mut ::mmsghdr,
        vlen: ::c_uint,
        flags: ::c_uint,
        timeout: *mut ::timespec,
    ) -> ::c_int;

    pub fn getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int;
    pub fn setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int;
    pub fn prlimit(
        pid: ::pid_t,
        resource: ::c_int,
        new_limit: *const ::rlimit,
        old_limit: *mut ::rlimit,
    ) -> ::c_int;
    pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
    pub fn ptrace(request: ::c_int, ...) -> ::c_long;
    pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
    pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;
    // Musl targets need the `mask` argument of `fanotify_mark` be specified
    // `::c_ulonglong` instead of `u64` or there will be a type mismatch between
    // `long long unsigned int` and the expected `uint64_t`.
    pub fn fanotify_mark(
        fd: ::c_int,
        flags: ::c_uint,
        mask: ::c_ulonglong,
        dirfd: ::c_int,
        path: *const ::c_char,
    ) -> ::c_int;
    pub fn preadv2(
        fd: ::c_int,
        iov: *const ::iovec,
        iovcnt: ::c_int,
        offset: ::off_t,
        flags: ::c_int,
    ) -> ::ssize_t;
    pub fn pwritev2(
        fd: ::c_int,
        iov: *const ::iovec,
        iovcnt: ::c_int,
        offset: ::off_t,
        flags: ::c_int,
    ) -> ::ssize_t;
    pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;

    // Added in `musl` 1.1.20
    pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
    // Added in `musl` 1.2.2
    pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;

    pub fn adjtimex(buf: *mut ::timex) -> ::c_int;
    pub fn clock_adjtime(clk_id: ::clockid_t, buf: *mut ::timex) -> ::c_int;

    pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;

    pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
    pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
    pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;

    pub fn euidaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
    pub fn eaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;

    pub fn asctime_r(tm: *const ::tm, buf: *mut ::c_char) -> *mut ::c_char;

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

    // Added in `musl` 1.1.24
    pub fn posix_spawn_file_actions_addchdir_np(
        actions: *mut ::posix_spawn_file_actions_t,
        path: *const ::c_char,
    ) -> ::c_int;
    // Added in `musl` 1.1.24
    pub fn posix_spawn_file_actions_addfchdir_np(
        actions: *mut ::posix_spawn_file_actions_t,
        fd: ::c_int,
    ) -> ::c_int;
}

// Alias <foo> to <foo>64 to mimic glibc's LFS64 support
mod lfs64;
pub use self::lfs64::*;

cfg_if! {
    if #[cfg(any(target_arch = "x86_64",
                 target_arch = "aarch64",
                 target_arch = "mips64",
                 target_arch = "powerpc64",
                 target_arch = "s390x",
                 target_arch = "riscv64",
                 target_arch = "loongarch64"))] {
        mod b64;
        pub use self::b64::*;
    } else if #[cfg(any(target_arch = "x86",
                        target_arch = "mips",
                        target_arch = "powerpc",
                        target_arch = "hexagon",
                        target_arch = "riscv32",
                        target_arch = "arm"))] {
        mod b32;
        pub use self::b32::*;
    } else { }
}