1 pub type pthread_t = c_ulong;
2 pub type __priority_which_t = ::c_uint;
3 pub type __rlimit_resource_t = ::c_uint;
4 pub type Lmid_t = ::c_long;
5 pub type regoff_t = ::c_int;
6 pub type __kernel_rwf_t = ::c_int;
7 
8 cfg_if! {
9     if #[cfg(doc)] {
10         // Used in `linux::arch` to define ioctl constants.
11         pub(crate) type Ioctl = ::c_ulong;
12     } else {
13         #[doc(hidden)]
14         pub type Ioctl = ::c_ulong;
15     }
16 }
17 
18 s! {
19     pub struct aiocb {
20         pub aio_fildes: ::c_int,
21         pub aio_lio_opcode: ::c_int,
22         pub aio_reqprio: ::c_int,
23         pub aio_buf: *mut ::c_void,
24         pub aio_nbytes: ::size_t,
25         pub aio_sigevent: ::sigevent,
26         __next_prio: *mut aiocb,
27         __abs_prio: ::c_int,
28         __policy: ::c_int,
29         __error_code: ::c_int,
30         __return_value: ::ssize_t,
31         pub aio_offset: off_t,
32         #[cfg(all(not(target_arch = "x86_64"), target_pointer_width = "32"))]
33         __unused1: [::c_char; 4],
34         __glibc_reserved: [::c_char; 32],
35     }
36 
37     pub struct __exit_status {
38         pub e_termination: ::c_short,
39         pub e_exit: ::c_short,
40     }
41 
42     pub struct __timeval {
43         pub tv_sec: i32,
44         pub tv_usec: i32,
45     }
46 
47     pub struct glob64_t {
48         pub gl_pathc: ::size_t,
49         pub gl_pathv: *mut *mut ::c_char,
50         pub gl_offs: ::size_t,
51         pub gl_flags: ::c_int,
52 
53         __unused1: *mut ::c_void,
54         __unused2: *mut ::c_void,
55         __unused3: *mut ::c_void,
56         __unused4: *mut ::c_void,
57         __unused5: *mut ::c_void,
58     }
59 
60     pub struct msghdr {
61         pub msg_name: *mut ::c_void,
62         pub msg_namelen: ::socklen_t,
63         pub msg_iov: *mut ::iovec,
64         pub msg_iovlen: ::size_t,
65         pub msg_control: *mut ::c_void,
66         pub msg_controllen: ::size_t,
67         pub msg_flags: ::c_int,
68     }
69 
70     pub struct cmsghdr {
71         pub cmsg_len: ::size_t,
72         pub cmsg_level: ::c_int,
73         pub cmsg_type: ::c_int,
74     }
75 
76     pub struct termios {
77         pub c_iflag: ::tcflag_t,
78         pub c_oflag: ::tcflag_t,
79         pub c_cflag: ::tcflag_t,
80         pub c_lflag: ::tcflag_t,
81         pub c_line: ::cc_t,
82         pub c_cc: [::cc_t; ::NCCS],
83         #[cfg(not(any(
84             target_arch = "sparc",
85             target_arch = "sparc64",
86             target_arch = "mips",
87             target_arch = "mips32r6",
88             target_arch = "mips64",
89             target_arch = "mips64r6"
90         )))]
91         pub c_ispeed: ::speed_t,
92         #[cfg(not(any(
93             target_arch = "sparc",
94             target_arch = "sparc64",
95             target_arch = "mips",
96             target_arch = "mips32r6",
97             target_arch = "mips64",
98             target_arch = "mips64r6"
99         )))]
100         pub c_ospeed: ::speed_t,
101     }
102 
103     pub struct mallinfo {
104         pub arena: ::c_int,
105         pub ordblks: ::c_int,
106         pub smblks: ::c_int,
107         pub hblks: ::c_int,
108         pub hblkhd: ::c_int,
109         pub usmblks: ::c_int,
110         pub fsmblks: ::c_int,
111         pub uordblks: ::c_int,
112         pub fordblks: ::c_int,
113         pub keepcost: ::c_int,
114     }
115 
116     pub struct mallinfo2 {
117         pub arena: ::size_t,
118         pub ordblks: ::size_t,
119         pub smblks: ::size_t,
120         pub hblks: ::size_t,
121         pub hblkhd: ::size_t,
122         pub usmblks: ::size_t,
123         pub fsmblks: ::size_t,
124         pub uordblks: ::size_t,
125         pub fordblks: ::size_t,
126         pub keepcost: ::size_t,
127     }
128 
129     pub struct nl_pktinfo {
130         pub group: u32,
131     }
132 
133     pub struct nl_mmap_req {
134         pub nm_block_size: ::c_uint,
135         pub nm_block_nr: ::c_uint,
136         pub nm_frame_size: ::c_uint,
137         pub nm_frame_nr: ::c_uint,
138     }
139 
140     pub struct nl_mmap_hdr {
141         pub nm_status: ::c_uint,
142         pub nm_len: ::c_uint,
143         pub nm_group: u32,
144         pub nm_pid: u32,
145         pub nm_uid: u32,
146         pub nm_gid: u32,
147     }
148 
149     pub struct rtentry {
150         pub rt_pad1: ::c_ulong,
151         pub rt_dst: ::sockaddr,
152         pub rt_gateway: ::sockaddr,
153         pub rt_genmask: ::sockaddr,
154         pub rt_flags: ::c_ushort,
155         pub rt_pad2: ::c_short,
156         pub rt_pad3: ::c_ulong,
157         pub rt_tos: ::c_uchar,
158         pub rt_class: ::c_uchar,
159         #[cfg(target_pointer_width = "64")]
160         pub rt_pad4: [::c_short; 3usize],
161         #[cfg(not(target_pointer_width = "64"))]
162         pub rt_pad4: ::c_short,
163         pub rt_metric: ::c_short,
164         pub rt_dev: *mut ::c_char,
165         pub rt_mtu: ::c_ulong,
166         pub rt_window: ::c_ulong,
167         pub rt_irtt: ::c_ushort,
168     }
169 
170     pub struct timex {
171         pub modes: ::c_uint,
172         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
173         pub offset: i64,
174         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
175         pub offset: ::c_long,
176         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
177         pub freq: i64,
178         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
179         pub freq: ::c_long,
180         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
181         pub maxerror: i64,
182         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
183         pub maxerror: ::c_long,
184         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
185         pub esterror: i64,
186         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
187         pub esterror: ::c_long,
188         pub status: ::c_int,
189         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
190         pub constant: i64,
191         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
192         pub constant: ::c_long,
193         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
194         pub precision: i64,
195         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
196         pub precision: ::c_long,
197         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
198         pub tolerance: i64,
199         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
200         pub tolerance: ::c_long,
201         pub time: ::timeval,
202         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
203         pub tick: i64,
204         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
205         pub tick: ::c_long,
206         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
207         pub ppsfreq: i64,
208         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
209         pub ppsfreq: ::c_long,
210         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
211         pub jitter: i64,
212         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
213         pub jitter: ::c_long,
214         pub shift: ::c_int,
215         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
216         pub stabil: i64,
217         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
218         pub stabil: ::c_long,
219         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
220         pub jitcnt: i64,
221         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
222         pub jitcnt: ::c_long,
223         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
224         pub calcnt: i64,
225         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
226         pub calcnt: ::c_long,
227         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
228         pub errcnt: i64,
229         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
230         pub errcnt: ::c_long,
231         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
232         pub stbcnt: i64,
233         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
234         pub stbcnt: ::c_long,
235         pub tai: ::c_int,
236         pub __unused1: i32,
237         pub __unused2: i32,
238         pub __unused3: i32,
239         pub __unused4: i32,
240         pub __unused5: i32,
241         pub __unused6: i32,
242         pub __unused7: i32,
243         pub __unused8: i32,
244         pub __unused9: i32,
245         pub __unused10: i32,
246         pub __unused11: i32,
247     }
248 
249     pub struct ntptimeval {
250         pub time: ::timeval,
251         pub maxerror: ::c_long,
252         pub esterror: ::c_long,
253         pub tai: ::c_long,
254         pub __glibc_reserved1: ::c_long,
255         pub __glibc_reserved2: ::c_long,
256         pub __glibc_reserved3: ::c_long,
257         pub __glibc_reserved4: ::c_long,
258     }
259 
260     pub struct regex_t {
261         __buffer: *mut ::c_void,
262         __allocated: ::size_t,
263         __used: ::size_t,
264         __syntax: ::c_ulong,
265         __fastmap: *mut ::c_char,
266         __translate: *mut ::c_char,
267         __re_nsub: ::size_t,
268         __bitfield: u8,
269     }
270 
271     pub struct Elf64_Chdr {
272         pub ch_type: ::Elf64_Word,
273         pub ch_reserved: ::Elf64_Word,
274         pub ch_size: ::Elf64_Xword,
275         pub ch_addralign: ::Elf64_Xword,
276     }
277 
278     pub struct Elf32_Chdr {
279         pub ch_type: ::Elf32_Word,
280         pub ch_size: ::Elf32_Word,
281         pub ch_addralign: ::Elf32_Word,
282     }
283 
284     pub struct seminfo {
285         pub semmap: ::c_int,
286         pub semmni: ::c_int,
287         pub semmns: ::c_int,
288         pub semmnu: ::c_int,
289         pub semmsl: ::c_int,
290         pub semopm: ::c_int,
291         pub semume: ::c_int,
292         pub semusz: ::c_int,
293         pub semvmx: ::c_int,
294         pub semaem: ::c_int,
295     }
296 
297     pub struct ptrace_peeksiginfo_args {
298         pub off: ::__u64,
299         pub flags: ::__u32,
300         pub nr: ::__s32,
301     }
302 
303     pub struct __c_anonymous_ptrace_syscall_info_entry {
304         pub nr: ::__u64,
305         pub args: [::__u64; 6],
306     }
307 
308     pub struct __c_anonymous_ptrace_syscall_info_exit {
309         pub sval: ::__s64,
310         pub is_error: ::__u8,
311     }
312 
313     pub struct __c_anonymous_ptrace_syscall_info_seccomp {
314         pub nr: ::__u64,
315         pub args: [::__u64; 6],
316         pub ret_data: ::__u32,
317     }
318 
319     pub struct ptrace_syscall_info {
320         pub op: ::__u8,
321         pub pad: [::__u8; 3],
322         pub arch: ::__u32,
323         pub instruction_pointer: ::__u64,
324         pub stack_pointer: ::__u64,
325         pub u: __c_anonymous_ptrace_syscall_info_data,
326     }
327 
328     // linux/if_xdp.h
329 
330     pub struct sockaddr_xdp {
331         pub sxdp_family: ::__u16,
332         pub sxdp_flags: ::__u16,
333         pub sxdp_ifindex: ::__u32,
334         pub sxdp_queue_id: ::__u32,
335         pub sxdp_shared_umem_fd: ::__u32,
336     }
337 
338     pub struct xdp_ring_offset {
339         pub producer: ::__u64,
340         pub consumer: ::__u64,
341         pub desc: ::__u64,
342         pub flags: ::__u64,
343     }
344 
345     pub struct xdp_mmap_offsets {
346         pub rx: xdp_ring_offset,
347         pub tx: xdp_ring_offset,
348         pub fr: xdp_ring_offset,
349         pub cr: xdp_ring_offset,
350     }
351 
352     pub struct xdp_ring_offset_v1 {
353         pub producer: ::__u64,
354         pub consumer: ::__u64,
355         pub desc: ::__u64,
356     }
357 
358     pub struct xdp_mmap_offsets_v1 {
359         pub rx: xdp_ring_offset_v1,
360         pub tx: xdp_ring_offset_v1,
361         pub fr: xdp_ring_offset_v1,
362         pub cr: xdp_ring_offset_v1,
363     }
364 
365     pub struct xdp_umem_reg {
366         pub addr: ::__u64,
367         pub len: ::__u64,
368         pub chunk_size: ::__u32,
369         pub headroom: ::__u32,
370         pub flags: ::__u32,
371         pub tx_metadata_len: ::__u32,
372     }
373 
374     pub struct xdp_umem_reg_v1 {
375         pub addr: ::__u64,
376         pub len: ::__u64,
377         pub chunk_size: ::__u32,
378         pub headroom: ::__u32,
379     }
380 
381     pub struct xdp_statistics {
382         pub rx_dropped: ::__u64,
383         pub rx_invalid_descs: ::__u64,
384         pub tx_invalid_descs: ::__u64,
385         pub rx_ring_full: ::__u64,
386         pub rx_fill_ring_empty_descs: ::__u64,
387         pub tx_ring_empty_descs: ::__u64,
388     }
389 
390     pub struct xdp_statistics_v1 {
391         pub rx_dropped: ::__u64,
392         pub rx_invalid_descs: ::__u64,
393         pub tx_invalid_descs: ::__u64,
394     }
395 
396     pub struct xdp_options {
397         pub flags: ::__u32,
398     }
399 
400     pub struct xdp_desc {
401         pub addr: ::__u64,
402         pub len: ::__u32,
403         pub options: ::__u32,
404     }
405 
406     pub struct iocb {
407         pub aio_data: ::__u64,
408         #[cfg(target_endian = "little")]
409         pub aio_key: ::__u32,
410         #[cfg(target_endian = "little")]
411         pub aio_rw_flags: ::__kernel_rwf_t,
412         #[cfg(target_endian = "big")]
413         pub aio_rw_flags: ::__kernel_rwf_t,
414         #[cfg(target_endian = "big")]
415         pub aio_key: ::__u32,
416         pub aio_lio_opcode: ::__u16,
417         pub aio_reqprio: ::__s16,
418         pub aio_fildes: ::__u32,
419         pub aio_buf: ::__u64,
420         pub aio_nbytes: ::__u64,
421         pub aio_offset: ::__s64,
422         aio_reserved2: ::__u64,
423         pub aio_flags: ::__u32,
424         pub aio_resfd: ::__u32,
425     }
426 
427     // netinet/tcp.h
428 
429     pub struct tcp_info {
430         pub tcpi_state: u8,
431         pub tcpi_ca_state: u8,
432         pub tcpi_retransmits: u8,
433         pub tcpi_probes: u8,
434         pub tcpi_backoff: u8,
435         pub tcpi_options: u8,
436         /// This contains the bitfields `tcpi_snd_wscale` and `tcpi_rcv_wscale`.
437         /// Each is 4 bits.
438         pub tcpi_snd_rcv_wscale: u8,
439         pub tcpi_rto: u32,
440         pub tcpi_ato: u32,
441         pub tcpi_snd_mss: u32,
442         pub tcpi_rcv_mss: u32,
443         pub tcpi_unacked: u32,
444         pub tcpi_sacked: u32,
445         pub tcpi_lost: u32,
446         pub tcpi_retrans: u32,
447         pub tcpi_fackets: u32,
448         pub tcpi_last_data_sent: u32,
449         pub tcpi_last_ack_sent: u32,
450         pub tcpi_last_data_recv: u32,
451         pub tcpi_last_ack_recv: u32,
452         pub tcpi_pmtu: u32,
453         pub tcpi_rcv_ssthresh: u32,
454         pub tcpi_rtt: u32,
455         pub tcpi_rttvar: u32,
456         pub tcpi_snd_ssthresh: u32,
457         pub tcpi_snd_cwnd: u32,
458         pub tcpi_advmss: u32,
459         pub tcpi_reordering: u32,
460         pub tcpi_rcv_rtt: u32,
461         pub tcpi_rcv_space: u32,
462         pub tcpi_total_retrans: u32,
463     }
464 
465     pub struct fanotify_event_info_pidfd {
466         pub hdr: ::fanotify_event_info_header,
467         pub pidfd: ::__s32,
468     }
469 
470     pub struct fanotify_event_info_error {
471         pub hdr: ::fanotify_event_info_header,
472         pub error: ::__s32,
473         pub error_count: ::__u32,
474     }
475 
476     // FIXME(1.0) this is actually a union
477     #[cfg_attr(target_pointer_width = "32", repr(align(4)))]
478     #[cfg_attr(target_pointer_width = "64", repr(align(8)))]
479     pub struct sem_t {
480         #[cfg(target_pointer_width = "32")]
481         __size: [::c_char; 16],
482         #[cfg(target_pointer_width = "64")]
483         __size: [::c_char; 32],
484     }
485 }
486 
487 impl siginfo_t {
488     pub unsafe fn si_addr(&self) -> *mut ::c_void {
489         #[repr(C)]
490         struct siginfo_sigfault {
491             _si_signo: ::c_int,
492             _si_errno: ::c_int,
493             _si_code: ::c_int,
494             si_addr: *mut ::c_void,
495         }
496         (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
497     }
498 
499     pub unsafe fn si_value(&self) -> ::sigval {
500         #[repr(C)]
501         struct siginfo_timer {
502             _si_signo: ::c_int,
503             _si_errno: ::c_int,
504             _si_code: ::c_int,
505             _si_tid: ::c_int,
506             _si_overrun: ::c_int,
507             si_sigval: ::sigval,
508         }
509         (*(self as *const siginfo_t as *const siginfo_timer)).si_sigval
510     }
511 }
512 
513 // Internal, for casts to access union fields
514 #[repr(C)]
515 struct sifields_sigchld {
516     si_pid: ::pid_t,
517     si_uid: ::uid_t,
518     si_status: ::c_int,
519     si_utime: ::c_long,
520     si_stime: ::c_long,
521 }
522 impl ::Copy for sifields_sigchld {}
523 impl ::Clone for sifields_sigchld {
524     fn clone(&self) -> sifields_sigchld {
525         *self
526     }
527 }
528 
529 // Internal, for casts to access union fields
530 #[repr(C)]
531 union sifields {
532     _align_pointer: *mut ::c_void,
533     sigchld: sifields_sigchld,
534 }
535 
536 // Internal, for casts to access union fields. Note that some variants
537 // of sifields start with a pointer, which makes the alignment of
538 // sifields vary on 32-bit and 64-bit architectures.
539 #[repr(C)]
540 struct siginfo_f {
541     _siginfo_base: [::c_int; 3],
542     sifields: sifields,
543 }
544 
545 impl siginfo_t {
546     unsafe fn sifields(&self) -> &sifields {
547         &(*(self as *const siginfo_t as *const siginfo_f)).sifields
548     }
549 
550     pub unsafe fn si_pid(&self) -> ::pid_t {
551         self.sifields().sigchld.si_pid
552     }
553 
554     pub unsafe fn si_uid(&self) -> ::uid_t {
555         self.sifields().sigchld.si_uid
556     }
557 
558     pub unsafe fn si_status(&self) -> ::c_int {
559         self.sifields().sigchld.si_status
560     }
561 
562     pub unsafe fn si_utime(&self) -> ::c_long {
563         self.sifields().sigchld.si_utime
564     }
565 
566     pub unsafe fn si_stime(&self) -> ::c_long {
567         self.sifields().sigchld.si_stime
568     }
569 }
570 
571 pub union __c_anonymous_ptrace_syscall_info_data {
572     pub entry: __c_anonymous_ptrace_syscall_info_entry,
573     pub exit: __c_anonymous_ptrace_syscall_info_exit,
574     pub seccomp: __c_anonymous_ptrace_syscall_info_seccomp,
575 }
576 impl ::Copy for __c_anonymous_ptrace_syscall_info_data {}
577 impl ::Clone for __c_anonymous_ptrace_syscall_info_data {
578     fn clone(&self) -> __c_anonymous_ptrace_syscall_info_data {
579         *self
580     }
581 }
582 
583 s_no_extra_traits! {
584     pub struct utmpx {
585         pub ut_type: ::c_short,
586         pub ut_pid: ::pid_t,
587         pub ut_line: [::c_char; __UT_LINESIZE],
588         pub ut_id: [::c_char; 4],
589 
590         pub ut_user: [::c_char; __UT_NAMESIZE],
591         pub ut_host: [::c_char; __UT_HOSTSIZE],
592         pub ut_exit: __exit_status,
593 
594         #[cfg(any(
595             target_arch = "aarch64",
596             target_arch = "s390x",
597             target_arch = "loongarch64",
598             all(target_pointer_width = "32", not(target_arch = "x86_64"))
599         ))]
600         pub ut_session: ::c_long,
601         #[cfg(any(
602             target_arch = "aarch64",
603             target_arch = "s390x",
604             target_arch = "loongarch64",
605             all(target_pointer_width = "32", not(target_arch = "x86_64"))
606         ))]
607         pub ut_tv: ::timeval,
608 
609         #[cfg(not(any(
610             target_arch = "aarch64",
611             target_arch = "s390x",
612             target_arch = "loongarch64",
613             all(target_pointer_width = "32", not(target_arch = "x86_64"))
614         )))]
615         pub ut_session: i32,
616         #[cfg(not(any(
617             target_arch = "aarch64",
618             target_arch = "s390x",
619             target_arch = "loongarch64",
620             all(target_pointer_width = "32", not(target_arch = "x86_64"))
621         )))]
622         pub ut_tv: __timeval,
623 
624         pub ut_addr_v6: [i32; 4],
625         __glibc_reserved: [::c_char; 20],
626     }
627 }
628 
629 cfg_if! {
630     if #[cfg(feature = "extra_traits")] {
631         impl PartialEq for utmpx {
632             fn eq(&self, other: &utmpx) -> bool {
633                 self.ut_type == other.ut_type
634                     && self.ut_pid == other.ut_pid
635                     && self.ut_line == other.ut_line
636                     && self.ut_id == other.ut_id
637                     && self.ut_user == other.ut_user
638                     && self
639                         .ut_host
640                         .iter()
641                         .zip(other.ut_host.iter())
642                         .all(|(a, b)| a == b)
643                     && self.ut_exit == other.ut_exit
644                     && self.ut_session == other.ut_session
645                     && self.ut_tv == other.ut_tv
646                     && self.ut_addr_v6 == other.ut_addr_v6
647                     && self.__glibc_reserved == other.__glibc_reserved
648             }
649         }
650 
651         impl Eq for utmpx {}
652 
653         impl ::fmt::Debug for utmpx {
654             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
655                 f.debug_struct("utmpx")
656                     .field("ut_type", &self.ut_type)
657                     .field("ut_pid", &self.ut_pid)
658                     .field("ut_line", &self.ut_line)
659                     .field("ut_id", &self.ut_id)
660                     .field("ut_user", &self.ut_user)
661                     // FIXME: .field("ut_host", &self.ut_host)
662                     .field("ut_exit", &self.ut_exit)
663                     .field("ut_session", &self.ut_session)
664                     .field("ut_tv", &self.ut_tv)
665                     .field("ut_addr_v6", &self.ut_addr_v6)
666                     .field("__glibc_reserved", &self.__glibc_reserved)
667                     .finish()
668             }
669         }
670 
671         impl ::hash::Hash for utmpx {
672             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
673                 self.ut_type.hash(state);
674                 self.ut_pid.hash(state);
675                 self.ut_line.hash(state);
676                 self.ut_id.hash(state);
677                 self.ut_user.hash(state);
678                 self.ut_host.hash(state);
679                 self.ut_exit.hash(state);
680                 self.ut_session.hash(state);
681                 self.ut_tv.hash(state);
682                 self.ut_addr_v6.hash(state);
683                 self.__glibc_reserved.hash(state);
684             }
685         }
686 
687         impl PartialEq for __c_anonymous_ptrace_syscall_info_data {
688             fn eq(&self, other: &__c_anonymous_ptrace_syscall_info_data) -> bool {
689                 unsafe {
690                     self.entry == other.entry
691                         || self.exit == other.exit
692                         || self.seccomp == other.seccomp
693                 }
694             }
695         }
696 
697         impl Eq for __c_anonymous_ptrace_syscall_info_data {}
698 
699         impl ::fmt::Debug for __c_anonymous_ptrace_syscall_info_data {
700             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
701                 unsafe {
702                     f.debug_struct("__c_anonymous_ptrace_syscall_info_data")
703                         .field("entry", &self.entry)
704                         .field("exit", &self.exit)
705                         .field("seccomp", &self.seccomp)
706                         .finish()
707                 }
708             }
709         }
710 
711         impl ::hash::Hash for __c_anonymous_ptrace_syscall_info_data {
712             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
713                 unsafe {
714                     self.entry.hash(state);
715                     self.exit.hash(state);
716                     self.seccomp.hash(state);
717                 }
718             }
719         }
720     }
721 }
722 
723 // include/uapi/asm-generic/hugetlb_encode.h
724 pub const HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = 26;
725 pub const HUGETLB_FLAG_ENCODE_MASK: ::c_int = 0x3f;
726 
727 pub const HUGETLB_FLAG_ENCODE_64KB: ::c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
728 pub const HUGETLB_FLAG_ENCODE_512KB: ::c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
729 pub const HUGETLB_FLAG_ENCODE_1MB: ::c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
730 pub const HUGETLB_FLAG_ENCODE_2MB: ::c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
731 pub const HUGETLB_FLAG_ENCODE_8MB: ::c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
732 pub const HUGETLB_FLAG_ENCODE_16MB: ::c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
733 pub const HUGETLB_FLAG_ENCODE_32MB: ::c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
734 pub const HUGETLB_FLAG_ENCODE_256MB: ::c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
735 pub const HUGETLB_FLAG_ENCODE_512MB: ::c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
736 pub const HUGETLB_FLAG_ENCODE_1GB: ::c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
737 pub const HUGETLB_FLAG_ENCODE_2GB: ::c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
738 pub const HUGETLB_FLAG_ENCODE_16GB: ::c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;
739 
740 // include/uapi/linux/mman.h
741 /*
742  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
743  * size other than the default is desired.  See hugetlb_encode.h.
744  * All known huge page size encodings are provided here.  It is the
745  * responsibility of the application to know which sizes are supported on
746  * the running system.  See mmap(2) man page for details.
747  */
748 pub const MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT;
749 pub const MAP_HUGE_MASK: ::c_int = HUGETLB_FLAG_ENCODE_MASK;
750 
751 pub const MAP_HUGE_64KB: ::c_int = HUGETLB_FLAG_ENCODE_64KB;
752 pub const MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB;
753 pub const MAP_HUGE_1MB: ::c_int = HUGETLB_FLAG_ENCODE_1MB;
754 pub const MAP_HUGE_2MB: ::c_int = HUGETLB_FLAG_ENCODE_2MB;
755 pub const MAP_HUGE_8MB: ::c_int = HUGETLB_FLAG_ENCODE_8MB;
756 pub const MAP_HUGE_16MB: ::c_int = HUGETLB_FLAG_ENCODE_16MB;
757 pub const MAP_HUGE_32MB: ::c_int = HUGETLB_FLAG_ENCODE_32MB;
758 pub const MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB;
759 pub const MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB;
760 pub const MAP_HUGE_1GB: ::c_int = HUGETLB_FLAG_ENCODE_1GB;
761 pub const MAP_HUGE_2GB: ::c_int = HUGETLB_FLAG_ENCODE_2GB;
762 pub const MAP_HUGE_16GB: ::c_int = HUGETLB_FLAG_ENCODE_16GB;
763 
764 pub const PRIO_PROCESS: ::__priority_which_t = 0;
765 pub const PRIO_PGRP: ::__priority_which_t = 1;
766 pub const PRIO_USER: ::__priority_which_t = 2;
767 
768 pub const MS_RMT_MASK: ::c_ulong = 0x02800051;
769 
770 pub const __UT_LINESIZE: usize = 32;
771 pub const __UT_NAMESIZE: usize = 32;
772 pub const __UT_HOSTSIZE: usize = 256;
773 pub const EMPTY: ::c_short = 0;
774 pub const RUN_LVL: ::c_short = 1;
775 pub const BOOT_TIME: ::c_short = 2;
776 pub const NEW_TIME: ::c_short = 3;
777 pub const OLD_TIME: ::c_short = 4;
778 pub const INIT_PROCESS: ::c_short = 5;
779 pub const LOGIN_PROCESS: ::c_short = 6;
780 pub const USER_PROCESS: ::c_short = 7;
781 pub const DEAD_PROCESS: ::c_short = 8;
782 pub const ACCOUNTING: ::c_short = 9;
783 
784 // dlfcn.h
785 pub const LM_ID_BASE: ::c_long = 0;
786 pub const LM_ID_NEWLM: ::c_long = -1;
787 
788 pub const RTLD_DI_LMID: ::c_int = 1;
789 pub const RTLD_DI_LINKMAP: ::c_int = 2;
790 pub const RTLD_DI_CONFIGADDR: ::c_int = 3;
791 pub const RTLD_DI_SERINFO: ::c_int = 4;
792 pub const RTLD_DI_SERINFOSIZE: ::c_int = 5;
793 pub const RTLD_DI_ORIGIN: ::c_int = 6;
794 pub const RTLD_DI_PROFILENAME: ::c_int = 7;
795 pub const RTLD_DI_PROFILEOUT: ::c_int = 8;
796 pub const RTLD_DI_TLS_MODID: ::c_int = 9;
797 pub const RTLD_DI_TLS_DATA: ::c_int = 10;
798 
799 pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
800 pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;
801 
802 pub const SOL_RXRPC: ::c_int = 272;
803 pub const SOL_PPPOL2TP: ::c_int = 273;
804 pub const SOL_PNPIPE: ::c_int = 275;
805 pub const SOL_RDS: ::c_int = 276;
806 pub const SOL_IUCV: ::c_int = 277;
807 pub const SOL_CAIF: ::c_int = 278;
808 pub const SOL_NFC: ::c_int = 280;
809 pub const SOL_XDP: ::c_int = 283;
810 
811 pub const MSG_TRYHARD: ::c_int = 4;
812 
813 pub const LC_PAPER: ::c_int = 7;
814 pub const LC_NAME: ::c_int = 8;
815 pub const LC_ADDRESS: ::c_int = 9;
816 pub const LC_TELEPHONE: ::c_int = 10;
817 pub const LC_MEASUREMENT: ::c_int = 11;
818 pub const LC_IDENTIFICATION: ::c_int = 12;
819 pub const LC_PAPER_MASK: ::c_int = 1 << LC_PAPER;
820 pub const LC_NAME_MASK: ::c_int = 1 << LC_NAME;
821 pub const LC_ADDRESS_MASK: ::c_int = 1 << LC_ADDRESS;
822 pub const LC_TELEPHONE_MASK: ::c_int = 1 << LC_TELEPHONE;
823 pub const LC_MEASUREMENT_MASK: ::c_int = 1 << LC_MEASUREMENT;
824 pub const LC_IDENTIFICATION_MASK: ::c_int = 1 << LC_IDENTIFICATION;
825 pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
826     | ::LC_NUMERIC_MASK
827     | ::LC_TIME_MASK
828     | ::LC_COLLATE_MASK
829     | ::LC_MONETARY_MASK
830     | ::LC_MESSAGES_MASK
831     | LC_PAPER_MASK
832     | LC_NAME_MASK
833     | LC_ADDRESS_MASK
834     | LC_TELEPHONE_MASK
835     | LC_MEASUREMENT_MASK
836     | LC_IDENTIFICATION_MASK;
837 
838 pub const ENOTSUP: ::c_int = EOPNOTSUPP;
839 
840 pub const SOCK_SEQPACKET: ::c_int = 5;
841 pub const SOCK_DCCP: ::c_int = 6;
842 pub const SOCK_PACKET: ::c_int = 10;
843 
844 pub const AF_IB: ::c_int = 27;
845 pub const AF_MPLS: ::c_int = 28;
846 pub const AF_NFC: ::c_int = 39;
847 pub const AF_VSOCK: ::c_int = 40;
848 pub const AF_XDP: ::c_int = 44;
849 pub const PF_IB: ::c_int = AF_IB;
850 pub const PF_MPLS: ::c_int = AF_MPLS;
851 pub const PF_NFC: ::c_int = AF_NFC;
852 pub const PF_VSOCK: ::c_int = AF_VSOCK;
853 pub const PF_XDP: ::c_int = AF_XDP;
854 
855 pub const SIGEV_THREAD_ID: ::c_int = 4;
856 
857 pub const BUFSIZ: ::c_uint = 8192;
858 pub const TMP_MAX: ::c_uint = 238328;
859 pub const FOPEN_MAX: ::c_uint = 16;
860 pub const FILENAME_MAX: ::c_uint = 4096;
861 pub const POSIX_MADV_DONTNEED: ::c_int = 4;
862 pub const _CS_GNU_LIBC_VERSION: ::c_int = 2;
863 pub const _CS_GNU_LIBPTHREAD_VERSION: ::c_int = 3;
864 pub const _CS_V6_ENV: ::c_int = 1148;
865 pub const _CS_V7_ENV: ::c_int = 1149;
866 pub const _SC_EQUIV_CLASS_MAX: ::c_int = 41;
867 pub const _SC_CHARCLASS_NAME_MAX: ::c_int = 45;
868 pub const _SC_PII: ::c_int = 53;
869 pub const _SC_PII_XTI: ::c_int = 54;
870 pub const _SC_PII_SOCKET: ::c_int = 55;
871 pub const _SC_PII_INTERNET: ::c_int = 56;
872 pub const _SC_PII_OSI: ::c_int = 57;
873 pub const _SC_POLL: ::c_int = 58;
874 pub const _SC_SELECT: ::c_int = 59;
875 pub const _SC_PII_INTERNET_STREAM: ::c_int = 61;
876 pub const _SC_PII_INTERNET_DGRAM: ::c_int = 62;
877 pub const _SC_PII_OSI_COTS: ::c_int = 63;
878 pub const _SC_PII_OSI_CLTS: ::c_int = 64;
879 pub const _SC_PII_OSI_M: ::c_int = 65;
880 pub const _SC_T_IOV_MAX: ::c_int = 66;
881 pub const _SC_2_C_VERSION: ::c_int = 96;
882 pub const _SC_CHAR_BIT: ::c_int = 101;
883 pub const _SC_CHAR_MAX: ::c_int = 102;
884 pub const _SC_CHAR_MIN: ::c_int = 103;
885 pub const _SC_INT_MAX: ::c_int = 104;
886 pub const _SC_INT_MIN: ::c_int = 105;
887 pub const _SC_LONG_BIT: ::c_int = 106;
888 pub const _SC_WORD_BIT: ::c_int = 107;
889 pub const _SC_MB_LEN_MAX: ::c_int = 108;
890 pub const _SC_SSIZE_MAX: ::c_int = 110;
891 pub const _SC_SCHAR_MAX: ::c_int = 111;
892 pub const _SC_SCHAR_MIN: ::c_int = 112;
893 pub const _SC_SHRT_MAX: ::c_int = 113;
894 pub const _SC_SHRT_MIN: ::c_int = 114;
895 pub const _SC_UCHAR_MAX: ::c_int = 115;
896 pub const _SC_UINT_MAX: ::c_int = 116;
897 pub const _SC_ULONG_MAX: ::c_int = 117;
898 pub const _SC_USHRT_MAX: ::c_int = 118;
899 pub const _SC_NL_ARGMAX: ::c_int = 119;
900 pub const _SC_NL_LANGMAX: ::c_int = 120;
901 pub const _SC_NL_MSGMAX: ::c_int = 121;
902 pub const _SC_NL_NMAX: ::c_int = 122;
903 pub const _SC_NL_SETMAX: ::c_int = 123;
904 pub const _SC_NL_TEXTMAX: ::c_int = 124;
905 pub const _SC_BASE: ::c_int = 134;
906 pub const _SC_C_LANG_SUPPORT: ::c_int = 135;
907 pub const _SC_C_LANG_SUPPORT_R: ::c_int = 136;
908 pub const _SC_DEVICE_IO: ::c_int = 140;
909 pub const _SC_DEVICE_SPECIFIC: ::c_int = 141;
910 pub const _SC_DEVICE_SPECIFIC_R: ::c_int = 142;
911 pub const _SC_FD_MGMT: ::c_int = 143;
912 pub const _SC_FIFO: ::c_int = 144;
913 pub const _SC_PIPE: ::c_int = 145;
914 pub const _SC_FILE_ATTRIBUTES: ::c_int = 146;
915 pub const _SC_FILE_LOCKING: ::c_int = 147;
916 pub const _SC_FILE_SYSTEM: ::c_int = 148;
917 pub const _SC_MULTI_PROCESS: ::c_int = 150;
918 pub const _SC_SINGLE_PROCESS: ::c_int = 151;
919 pub const _SC_NETWORKING: ::c_int = 152;
920 pub const _SC_REGEX_VERSION: ::c_int = 156;
921 pub const _SC_SIGNALS: ::c_int = 158;
922 pub const _SC_SYSTEM_DATABASE: ::c_int = 162;
923 pub const _SC_SYSTEM_DATABASE_R: ::c_int = 163;
924 pub const _SC_USER_GROUPS: ::c_int = 166;
925 pub const _SC_USER_GROUPS_R: ::c_int = 167;
926 pub const _SC_LEVEL1_ICACHE_SIZE: ::c_int = 185;
927 pub const _SC_LEVEL1_ICACHE_ASSOC: ::c_int = 186;
928 pub const _SC_LEVEL1_ICACHE_LINESIZE: ::c_int = 187;
929 pub const _SC_LEVEL1_DCACHE_SIZE: ::c_int = 188;
930 pub const _SC_LEVEL1_DCACHE_ASSOC: ::c_int = 189;
931 pub const _SC_LEVEL1_DCACHE_LINESIZE: ::c_int = 190;
932 pub const _SC_LEVEL2_CACHE_SIZE: ::c_int = 191;
933 pub const _SC_LEVEL2_CACHE_ASSOC: ::c_int = 192;
934 pub const _SC_LEVEL2_CACHE_LINESIZE: ::c_int = 193;
935 pub const _SC_LEVEL3_CACHE_SIZE: ::c_int = 194;
936 pub const _SC_LEVEL3_CACHE_ASSOC: ::c_int = 195;
937 pub const _SC_LEVEL3_CACHE_LINESIZE: ::c_int = 196;
938 pub const _SC_LEVEL4_CACHE_SIZE: ::c_int = 197;
939 pub const _SC_LEVEL4_CACHE_ASSOC: ::c_int = 198;
940 pub const _SC_LEVEL4_CACHE_LINESIZE: ::c_int = 199;
941 pub const O_ACCMODE: ::c_int = 3;
942 pub const ST_RELATIME: ::c_ulong = 4096;
943 pub const NI_MAXHOST: ::socklen_t = 1025;
944 
945 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
946 // following are only available on newer Linux versions than the versions
947 // currently used in CI in some configurations, so we define them here.
948 cfg_if! {
949     if #[cfg(not(target_arch = "s390x"))] {
950         pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
951         pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
952     } else if #[cfg(target_arch = "s390x")] {
953         pub const BINDERFS_SUPER_MAGIC: ::c_uint = 0x6c6f6f70;
954         pub const XFS_SUPER_MAGIC: ::c_uint = 0x58465342;
955     }
956 }
957 
958 pub const CPU_SETSIZE: ::c_int = 0x400;
959 
960 pub const PTRACE_TRACEME: ::c_uint = 0;
961 pub const PTRACE_PEEKTEXT: ::c_uint = 1;
962 pub const PTRACE_PEEKDATA: ::c_uint = 2;
963 pub const PTRACE_PEEKUSER: ::c_uint = 3;
964 pub const PTRACE_POKETEXT: ::c_uint = 4;
965 pub const PTRACE_POKEDATA: ::c_uint = 5;
966 pub const PTRACE_POKEUSER: ::c_uint = 6;
967 pub const PTRACE_CONT: ::c_uint = 7;
968 pub const PTRACE_KILL: ::c_uint = 8;
969 pub const PTRACE_SINGLESTEP: ::c_uint = 9;
970 pub const PTRACE_ATTACH: ::c_uint = 16;
971 pub const PTRACE_SYSCALL: ::c_uint = 24;
972 pub const PTRACE_SETOPTIONS: ::c_uint = 0x4200;
973 pub const PTRACE_GETEVENTMSG: ::c_uint = 0x4201;
974 pub const PTRACE_GETSIGINFO: ::c_uint = 0x4202;
975 pub const PTRACE_SETSIGINFO: ::c_uint = 0x4203;
976 pub const PTRACE_GETREGSET: ::c_uint = 0x4204;
977 pub const PTRACE_SETREGSET: ::c_uint = 0x4205;
978 pub const PTRACE_SEIZE: ::c_uint = 0x4206;
979 pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
980 pub const PTRACE_LISTEN: ::c_uint = 0x4208;
981 pub const PTRACE_PEEKSIGINFO: ::c_uint = 0x4209;
982 pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
983 pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;
984 pub const PTRACE_GET_SYSCALL_INFO: ::c_uint = 0x420e;
985 pub const PTRACE_SYSCALL_INFO_NONE: ::__u8 = 0;
986 pub const PTRACE_SYSCALL_INFO_ENTRY: ::__u8 = 1;
987 pub const PTRACE_SYSCALL_INFO_EXIT: ::__u8 = 2;
988 pub const PTRACE_SYSCALL_INFO_SECCOMP: ::__u8 = 3;
989 
990 // linux/fs.h
991 
992 // Flags for preadv2/pwritev2
993 pub const RWF_HIPRI: ::c_int = 0x00000001;
994 pub const RWF_DSYNC: ::c_int = 0x00000002;
995 pub const RWF_SYNC: ::c_int = 0x00000004;
996 pub const RWF_NOWAIT: ::c_int = 0x00000008;
997 pub const RWF_APPEND: ::c_int = 0x00000010;
998 
999 // linux/rtnetlink.h
1000 pub const TCA_PAD: ::c_ushort = 9;
1001 pub const TCA_DUMP_INVISIBLE: ::c_ushort = 10;
1002 pub const TCA_CHAIN: ::c_ushort = 11;
1003 pub const TCA_HW_OFFLOAD: ::c_ushort = 12;
1004 
1005 pub const RTM_DELNETCONF: u16 = 81;
1006 pub const RTM_NEWSTATS: u16 = 92;
1007 pub const RTM_GETSTATS: u16 = 94;
1008 pub const RTM_NEWCACHEREPORT: u16 = 96;
1009 
1010 pub const RTM_F_LOOKUP_TABLE: ::c_uint = 0x1000;
1011 pub const RTM_F_FIB_MATCH: ::c_uint = 0x2000;
1012 
1013 pub const RTA_VIA: ::c_ushort = 18;
1014 pub const RTA_NEWDST: ::c_ushort = 19;
1015 pub const RTA_PREF: ::c_ushort = 20;
1016 pub const RTA_ENCAP_TYPE: ::c_ushort = 21;
1017 pub const RTA_ENCAP: ::c_ushort = 22;
1018 pub const RTA_EXPIRES: ::c_ushort = 23;
1019 pub const RTA_PAD: ::c_ushort = 24;
1020 pub const RTA_UID: ::c_ushort = 25;
1021 pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;
1022 
1023 // linux/neighbor.h
1024 pub const NTF_EXT_LEARNED: u8 = 0x10;
1025 pub const NTF_OFFLOADED: u8 = 0x20;
1026 
1027 pub const NDA_MASTER: ::c_ushort = 9;
1028 pub const NDA_LINK_NETNSID: ::c_ushort = 10;
1029 pub const NDA_SRC_VNI: ::c_ushort = 11;
1030 
1031 // linux/personality.h
1032 pub const UNAME26: ::c_int = 0x0020000;
1033 pub const FDPIC_FUNCPTRS: ::c_int = 0x0080000;
1034 
1035 // linux/if_addr.h
1036 pub const IFA_FLAGS: ::c_ushort = 8;
1037 
1038 pub const IFA_F_MANAGETEMPADDR: u32 = 0x100;
1039 pub const IFA_F_NOPREFIXROUTE: u32 = 0x200;
1040 pub const IFA_F_MCAUTOJOIN: u32 = 0x400;
1041 pub const IFA_F_STABLE_PRIVACY: u32 = 0x800;
1042 
1043 pub const MAX_LINKS: ::c_int = 32;
1044 
1045 pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;
1046 
1047 pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
1048 pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;
1049 
1050 // linux/if_xdp.h
1051 pub const XDP_SHARED_UMEM: ::__u16 = 1 << 0;
1052 pub const XDP_COPY: ::__u16 = 1 << 1;
1053 pub const XDP_ZEROCOPY: ::__u16 = 1 << 2;
1054 pub const XDP_USE_NEED_WAKEUP: ::__u16 = 1 << 3;
1055 pub const XDP_USE_SG: ::__u16 = 1 << 4;
1056 
1057 pub const XDP_UMEM_UNALIGNED_CHUNK_FLAG: ::__u32 = 1 << 0;
1058 
1059 pub const XDP_RING_NEED_WAKEUP: ::__u32 = 1 << 0;
1060 
1061 pub const XDP_MMAP_OFFSETS: ::c_int = 1;
1062 pub const XDP_RX_RING: ::c_int = 2;
1063 pub const XDP_TX_RING: ::c_int = 3;
1064 pub const XDP_UMEM_REG: ::c_int = 4;
1065 pub const XDP_UMEM_FILL_RING: ::c_int = 5;
1066 pub const XDP_UMEM_COMPLETION_RING: ::c_int = 6;
1067 pub const XDP_STATISTICS: ::c_int = 7;
1068 pub const XDP_OPTIONS: ::c_int = 8;
1069 
1070 pub const XDP_OPTIONS_ZEROCOPY: ::__u32 = 1 << 0;
1071 
1072 pub const XDP_PGOFF_RX_RING: ::off_t = 0;
1073 pub const XDP_PGOFF_TX_RING: ::off_t = 0x80000000;
1074 pub const XDP_UMEM_PGOFF_FILL_RING: ::c_ulonglong = 0x100000000;
1075 pub const XDP_UMEM_PGOFF_COMPLETION_RING: ::c_ulonglong = 0x180000000;
1076 
1077 pub const XSK_UNALIGNED_BUF_OFFSET_SHIFT: ::c_int = 48;
1078 pub const XSK_UNALIGNED_BUF_ADDR_MASK: ::c_ulonglong = (1 << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1;
1079 
1080 pub const XDP_PKT_CONTD: ::__u32 = 1 << 0;
1081 
1082 pub const ELFOSABI_ARM_AEABI: u8 = 64;
1083 
1084 // linux/sched.h
1085 pub const CLONE_NEWTIME: ::c_int = 0x80;
1086 // DIFF(main): changed to `c_ulonglong` in e9abac9ac2
1087 pub const CLONE_CLEAR_SIGHAND: ::c_int = 0x100000000;
1088 pub const CLONE_INTO_CGROUP: ::c_int = 0x200000000;
1089 
1090 // linux/keyctl.h
1091 pub const KEYCTL_DH_COMPUTE: u32 = 23;
1092 pub const KEYCTL_PKEY_QUERY: u32 = 24;
1093 pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
1094 pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
1095 pub const KEYCTL_PKEY_SIGN: u32 = 27;
1096 pub const KEYCTL_PKEY_VERIFY: u32 = 28;
1097 pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;
1098 
1099 pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
1100 pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
1101 pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
1102 pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
1103 cfg_if! {
1104     if #[cfg(not(any(
1105         target_arch = "mips",
1106         target_arch = "mips32r6",
1107         target_arch = "mips64",
1108         target_arch = "mips64r6"
1109     )))] {
1110         pub const KEYCTL_MOVE: u32 = 30;
1111         pub const KEYCTL_CAPABILITIES: u32 = 31;
1112 
1113         pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
1114         pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
1115         pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
1116         pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
1117         pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
1118         pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
1119         pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
1120         pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
1121         pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
1122         pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
1123     }
1124 }
1125 
1126 pub const M_MXFAST: ::c_int = 1;
1127 pub const M_NLBLKS: ::c_int = 2;
1128 pub const M_GRAIN: ::c_int = 3;
1129 pub const M_KEEP: ::c_int = 4;
1130 pub const M_TRIM_THRESHOLD: ::c_int = -1;
1131 pub const M_TOP_PAD: ::c_int = -2;
1132 pub const M_MMAP_THRESHOLD: ::c_int = -3;
1133 pub const M_MMAP_MAX: ::c_int = -4;
1134 pub const M_CHECK_ACTION: ::c_int = -5;
1135 pub const M_PERTURB: ::c_int = -6;
1136 pub const M_ARENA_TEST: ::c_int = -7;
1137 pub const M_ARENA_MAX: ::c_int = -8;
1138 
1139 pub const SOMAXCONN: ::c_int = 4096;
1140 
1141 // linux/mount.h
1142 pub const MOVE_MOUNT_F_SYMLINKS: ::c_uint = 0x00000001;
1143 pub const MOVE_MOUNT_F_AUTOMOUNTS: ::c_uint = 0x00000002;
1144 pub const MOVE_MOUNT_F_EMPTY_PATH: ::c_uint = 0x00000004;
1145 pub const MOVE_MOUNT_T_SYMLINKS: ::c_uint = 0x00000010;
1146 pub const MOVE_MOUNT_T_AUTOMOUNTS: ::c_uint = 0x00000020;
1147 pub const MOVE_MOUNT_T_EMPTY_PATH: ::c_uint = 0x00000040;
1148 pub const MOVE_MOUNT_SET_GROUP: ::c_uint = 0x00000100;
1149 pub const MOVE_MOUNT_BENEATH: ::c_uint = 0x00000200;
1150 
1151 // sys/timex.h
1152 pub const ADJ_OFFSET: ::c_uint = 0x0001;
1153 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
1154 pub const ADJ_MAXERROR: ::c_uint = 0x0004;
1155 pub const ADJ_ESTERROR: ::c_uint = 0x0008;
1156 pub const ADJ_STATUS: ::c_uint = 0x0010;
1157 pub const ADJ_TIMECONST: ::c_uint = 0x0020;
1158 pub const ADJ_TAI: ::c_uint = 0x0080;
1159 pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
1160 pub const ADJ_MICRO: ::c_uint = 0x1000;
1161 pub const ADJ_NANO: ::c_uint = 0x2000;
1162 pub const ADJ_TICK: ::c_uint = 0x4000;
1163 pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
1164 pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
1165 pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
1166 pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
1167 pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
1168 pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
1169 pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
1170 pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
1171 pub const MOD_CLKB: ::c_uint = ADJ_TICK;
1172 pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
1173 pub const MOD_TAI: ::c_uint = ADJ_TAI;
1174 pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
1175 pub const MOD_NANO: ::c_uint = ADJ_NANO;
1176 pub const STA_PLL: ::c_int = 0x0001;
1177 pub const STA_PPSFREQ: ::c_int = 0x0002;
1178 pub const STA_PPSTIME: ::c_int = 0x0004;
1179 pub const STA_FLL: ::c_int = 0x0008;
1180 pub const STA_INS: ::c_int = 0x0010;
1181 pub const STA_DEL: ::c_int = 0x0020;
1182 pub const STA_UNSYNC: ::c_int = 0x0040;
1183 pub const STA_FREQHOLD: ::c_int = 0x0080;
1184 pub const STA_PPSSIGNAL: ::c_int = 0x0100;
1185 pub const STA_PPSJITTER: ::c_int = 0x0200;
1186 pub const STA_PPSWANDER: ::c_int = 0x0400;
1187 pub const STA_PPSERROR: ::c_int = 0x0800;
1188 pub const STA_CLOCKERR: ::c_int = 0x1000;
1189 pub const STA_NANO: ::c_int = 0x2000;
1190 pub const STA_MODE: ::c_int = 0x4000;
1191 pub const STA_CLK: ::c_int = 0x8000;
1192 pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
1193     | STA_PPSJITTER
1194     | STA_PPSWANDER
1195     | STA_PPSERROR
1196     | STA_CLOCKERR
1197     | STA_NANO
1198     | STA_MODE
1199     | STA_CLK;
1200 pub const NTP_API: ::c_int = 4;
1201 pub const TIME_OK: ::c_int = 0;
1202 pub const TIME_INS: ::c_int = 1;
1203 pub const TIME_DEL: ::c_int = 2;
1204 pub const TIME_OOP: ::c_int = 3;
1205 pub const TIME_WAIT: ::c_int = 4;
1206 pub const TIME_ERROR: ::c_int = 5;
1207 pub const TIME_BAD: ::c_int = TIME_ERROR;
1208 pub const MAXTC: ::c_long = 6;
1209 
1210 // Portable GLOB_* flags are defined at the `linux_like` level.
1211 // The following are GNU extensions.
1212 pub const GLOB_PERIOD: ::c_int = 1 << 7;
1213 pub const GLOB_ALTDIRFUNC: ::c_int = 1 << 9;
1214 pub const GLOB_BRACE: ::c_int = 1 << 10;
1215 pub const GLOB_NOMAGIC: ::c_int = 1 << 11;
1216 pub const GLOB_TILDE: ::c_int = 1 << 12;
1217 pub const GLOB_ONLYDIR: ::c_int = 1 << 13;
1218 pub const GLOB_TILDE_CHECK: ::c_int = 1 << 14;
1219 
1220 pub const MADV_COLLAPSE: ::c_int = 25;
1221 
1222 cfg_if! {
1223     if #[cfg(any(
1224         target_arch = "arm",
1225         target_arch = "x86",
1226         target_arch = "x86_64",
1227         target_arch = "s390x",
1228         target_arch = "riscv64",
1229         target_arch = "riscv32"
1230     ))] {
1231         pub const PTHREAD_STACK_MIN: ::size_t = 16384;
1232     } else if #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))] {
1233         pub const PTHREAD_STACK_MIN: ::size_t = 0x6000;
1234     } else {
1235         pub const PTHREAD_STACK_MIN: ::size_t = 131072;
1236     }
1237 }
1238 pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 3;
1239 
1240 pub const REG_STARTEND: ::c_int = 4;
1241 
1242 pub const REG_EEND: ::c_int = 14;
1243 pub const REG_ESIZE: ::c_int = 15;
1244 pub const REG_ERPAREN: ::c_int = 16;
1245 
1246 cfg_if! {
1247     if #[cfg(any(
1248         target_arch = "x86",
1249         target_arch = "x86_64",
1250         target_arch = "arm",
1251         target_arch = "aarch64",
1252         target_arch = "loongarch64",
1253         target_arch = "riscv64",
1254         target_arch = "s390x"
1255     ))] {
1256         pub const TUNSETCARRIER: ::Ioctl = 0x400454e2;
1257         pub const TUNGETDEVNETNS: ::Ioctl = 0x54e3;
1258     } else if #[cfg(any(
1259         target_arch = "mips",
1260         target_arch = "mips64",
1261         target_arch = "powerpc",
1262         target_arch = "powerpc64",
1263         target_arch = "sparc",
1264         target_arch = "sparc64"
1265     ))] {
1266         pub const TUNSETCARRIER: ::Ioctl = 0x800454e2;
1267         pub const TUNGETDEVNETNS: ::Ioctl = 0x200054e3;
1268     } else {
1269         // Unknown target_arch
1270     }
1271 }
1272 
1273 extern "C" {
1274     pub fn fgetspent_r(
1275         fp: *mut ::FILE,
1276         spbuf: *mut ::spwd,
1277         buf: *mut ::c_char,
1278         buflen: ::size_t,
1279         spbufp: *mut *mut ::spwd,
1280     ) -> ::c_int;
1281     pub fn sgetspent_r(
1282         s: *const ::c_char,
1283         spbuf: *mut ::spwd,
1284         buf: *mut ::c_char,
1285         buflen: ::size_t,
1286         spbufp: *mut *mut ::spwd,
1287     ) -> ::c_int;
1288     pub fn getspent_r(
1289         spbuf: *mut ::spwd,
1290         buf: *mut ::c_char,
1291         buflen: ::size_t,
1292         spbufp: *mut *mut ::spwd,
1293     ) -> ::c_int;
1294     pub fn qsort_r(
1295         base: *mut ::c_void,
1296         num: ::size_t,
1297         size: ::size_t,
1298         compar: ::Option<
1299             unsafe extern "C" fn(*const ::c_void, *const ::c_void, *mut ::c_void) -> ::c_int,
1300         >,
1301         arg: *mut ::c_void,
1302     );
1303     pub fn sendmmsg(
1304         sockfd: ::c_int,
1305         msgvec: *mut ::mmsghdr,
1306         vlen: ::c_uint,
1307         flags: ::c_int,
1308     ) -> ::c_int;
1309     pub fn recvmmsg(
1310         sockfd: ::c_int,
1311         msgvec: *mut ::mmsghdr,
1312         vlen: ::c_uint,
1313         flags: ::c_int,
1314         timeout: *mut ::timespec,
1315     ) -> ::c_int;
1316 
1317     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
1318     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
1319     pub fn getrlimit(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit) -> ::c_int;
1320     pub fn setrlimit(resource: ::__rlimit_resource_t, rlim: *const ::rlimit) -> ::c_int;
1321     pub fn prlimit(
1322         pid: ::pid_t,
1323         resource: ::__rlimit_resource_t,
1324         new_limit: *const ::rlimit,
1325         old_limit: *mut ::rlimit,
1326     ) -> ::c_int;
1327     pub fn prlimit64(
1328         pid: ::pid_t,
1329         resource: ::__rlimit_resource_t,
1330         new_limit: *const ::rlimit64,
1331         old_limit: *mut ::rlimit64,
1332     ) -> ::c_int;
1333     pub fn utmpname(file: *const ::c_char) -> ::c_int;
1334     pub fn utmpxname(file: *const ::c_char) -> ::c_int;
1335     pub fn getutxent() -> *mut utmpx;
1336     pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
1337     pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
1338     pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
1339     pub fn setutxent();
1340     pub fn endutxent();
1341     pub fn getpt() -> ::c_int;
1342     pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
1343     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
1344     pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
1345     pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
1346     pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;
1347 
1348     pub fn adjtimex(buf: *mut timex) -> ::c_int;
1349     pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
1350     #[link_name = "ntp_gettimex"]
1351     pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
1352     pub fn clock_adjtime(clk_id: ::clockid_t, buf: *mut ::timex) -> ::c_int;
1353 
1354     pub fn fanotify_mark(
1355         fd: ::c_int,
1356         flags: ::c_uint,
1357         mask: u64,
1358         dirfd: ::c_int,
1359         path: *const ::c_char,
1360     ) -> ::c_int;
1361     pub fn preadv2(
1362         fd: ::c_int,
1363         iov: *const ::iovec,
1364         iovcnt: ::c_int,
1365         offset: ::off_t,
1366         flags: ::c_int,
1367     ) -> ::ssize_t;
1368     pub fn pwritev2(
1369         fd: ::c_int,
1370         iov: *const ::iovec,
1371         iovcnt: ::c_int,
1372         offset: ::off_t,
1373         flags: ::c_int,
1374     ) -> ::ssize_t;
1375     pub fn preadv64v2(
1376         fd: ::c_int,
1377         iov: *const ::iovec,
1378         iovcnt: ::c_int,
1379         offset: ::off64_t,
1380         flags: ::c_int,
1381     ) -> ::ssize_t;
1382     pub fn pwritev64v2(
1383         fd: ::c_int,
1384         iov: *const ::iovec,
1385         iovcnt: ::c_int,
1386         offset: ::off64_t,
1387         flags: ::c_int,
1388     ) -> ::ssize_t;
1389     pub fn renameat2(
1390         olddirfd: ::c_int,
1391         oldpath: *const ::c_char,
1392         newdirfd: ::c_int,
1393         newpath: *const ::c_char,
1394         flags: ::c_uint,
1395     ) -> ::c_int;
1396 
1397     // Added in `glibc` 2.25
1398     pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
1399     // Added in `glibc` 2.29
1400     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
1401 
1402     pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;
1403     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
1404     pub fn glob64(
1405         pattern: *const ::c_char,
1406         flags: ::c_int,
1407         errfunc: ::Option<extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int>,
1408         pglob: *mut glob64_t,
1409     ) -> ::c_int;
1410     pub fn globfree64(pglob: *mut glob64_t);
1411     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
1412     pub fn pthread_attr_getaffinity_np(
1413         attr: *const ::pthread_attr_t,
1414         cpusetsize: ::size_t,
1415         cpuset: *mut ::cpu_set_t,
1416     ) -> ::c_int;
1417     pub fn pthread_attr_setaffinity_np(
1418         attr: *mut ::pthread_attr_t,
1419         cpusetsize: ::size_t,
1420         cpuset: *const ::cpu_set_t,
1421     ) -> ::c_int;
1422     pub fn getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int;
1423     pub fn setpriority(which: ::__priority_which_t, who: ::id_t, prio: ::c_int) -> ::c_int;
1424     pub fn pthread_rwlockattr_getkind_np(
1425         attr: *const ::pthread_rwlockattr_t,
1426         val: *mut ::c_int,
1427     ) -> ::c_int;
1428     pub fn pthread_rwlockattr_setkind_np(
1429         attr: *mut ::pthread_rwlockattr_t,
1430         val: ::c_int,
1431     ) -> ::c_int;
1432     pub fn pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int;
1433     pub fn mallinfo() -> ::mallinfo;
1434     pub fn mallinfo2() -> ::mallinfo2;
1435     pub fn malloc_stats();
1436     pub fn malloc_info(options: ::c_int, stream: *mut ::FILE) -> ::c_int;
1437     pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
1438     pub fn getpwent_r(
1439         pwd: *mut ::passwd,
1440         buf: *mut ::c_char,
1441         buflen: ::size_t,
1442         result: *mut *mut ::passwd,
1443     ) -> ::c_int;
1444     pub fn getgrent_r(
1445         grp: *mut ::group,
1446         buf: *mut ::c_char,
1447         buflen: ::size_t,
1448         result: *mut *mut ::group,
1449     ) -> ::c_int;
1450     pub fn fgetpwent_r(
1451         stream: *mut ::FILE,
1452         pwd: *mut ::passwd,
1453         buf: *mut ::c_char,
1454         buflen: ::size_t,
1455         result: *mut *mut ::passwd,
1456     ) -> ::c_int;
1457     pub fn fgetgrent_r(
1458         stream: *mut ::FILE,
1459         grp: *mut ::group,
1460         buf: *mut ::c_char,
1461         buflen: ::size_t,
1462         result: *mut *mut ::group,
1463     ) -> ::c_int;
1464 
1465     pub fn putpwent(p: *const ::passwd, stream: *mut ::FILE) -> ::c_int;
1466     pub fn putgrent(grp: *const ::group, stream: *mut ::FILE) -> ::c_int;
1467 
1468     pub fn sethostid(hostid: ::c_long) -> ::c_int;
1469 
1470     pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
1471     pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
1472 
1473     pub fn euidaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1474     pub fn eaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1475 
1476     pub fn asctime_r(tm: *const ::tm, buf: *mut ::c_char) -> *mut ::c_char;
1477     pub fn ctime_r(timep: *const time_t, buf: *mut ::c_char) -> *mut ::c_char;
1478 
1479     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
1480     /// POSIX version of `basename(3)`, defined in `libgen.h`.
1481     #[link_name = "__xpg_basename"]
1482     pub fn posix_basename(path: *mut ::c_char) -> *mut ::c_char;
1483     /// GNU version of `basename(3)`, defined in `string.h`.
1484     #[link_name = "basename"]
1485     pub fn gnu_basename(path: *const ::c_char) -> *mut ::c_char;
1486     pub fn dlmopen(lmid: Lmid_t, filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
1487     pub fn dlinfo(handle: *mut ::c_void, request: ::c_int, info: *mut ::c_void) -> ::c_int;
1488     pub fn dladdr1(
1489         addr: *const ::c_void,
1490         info: *mut ::Dl_info,
1491         extra_info: *mut *mut ::c_void,
1492         flags: ::c_int,
1493     ) -> ::c_int;
1494     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
1495     pub fn gnu_get_libc_release() -> *const ::c_char;
1496     pub fn gnu_get_libc_version() -> *const ::c_char;
1497 
1498     // posix/spawn.h
1499     // Added in `glibc` 2.29
1500     pub fn posix_spawn_file_actions_addchdir_np(
1501         actions: *mut ::posix_spawn_file_actions_t,
1502         path: *const ::c_char,
1503     ) -> ::c_int;
1504     // Added in `glibc` 2.29
1505     pub fn posix_spawn_file_actions_addfchdir_np(
1506         actions: *mut ::posix_spawn_file_actions_t,
1507         fd: ::c_int,
1508     ) -> ::c_int;
1509     // Added in `glibc` 2.34
1510     pub fn posix_spawn_file_actions_addclosefrom_np(
1511         actions: *mut ::posix_spawn_file_actions_t,
1512         from: ::c_int,
1513     ) -> ::c_int;
1514     // Added in `glibc` 2.35
1515     pub fn posix_spawn_file_actions_addtcsetpgrp_np(
1516         actions: *mut ::posix_spawn_file_actions_t,
1517         tcfd: ::c_int,
1518     ) -> ::c_int;
1519 
1520     // mntent.h
1521     pub fn getmntent_r(
1522         stream: *mut ::FILE,
1523         mntbuf: *mut ::mntent,
1524         buf: *mut ::c_char,
1525         buflen: ::c_int,
1526     ) -> *mut ::mntent;
1527 
1528     pub fn execveat(
1529         dirfd: ::c_int,
1530         pathname: *const ::c_char,
1531         argv: *const *mut c_char,
1532         envp: *const *mut c_char,
1533         flags: ::c_int,
1534     ) -> ::c_int;
1535 
1536     // Added in `glibc` 2.34
1537     pub fn close_range(first: ::c_uint, last: ::c_uint, flags: ::c_int) -> ::c_int;
1538 
1539     pub fn mq_notify(mqdes: ::mqd_t, sevp: *const ::sigevent) -> ::c_int;
1540 
1541     pub fn epoll_pwait2(
1542         epfd: ::c_int,
1543         events: *mut ::epoll_event,
1544         maxevents: ::c_int,
1545         timeout: *const ::timespec,
1546         sigmask: *const ::sigset_t,
1547     ) -> ::c_int;
1548 }
1549 
1550 cfg_if! {
1551     if #[cfg(any(
1552         target_arch = "x86",
1553         target_arch = "arm",
1554         target_arch = "m68k",
1555         target_arch = "csky",
1556         target_arch = "mips",
1557         target_arch = "mips32r6",
1558         target_arch = "powerpc",
1559         target_arch = "sparc",
1560         target_arch = "riscv32"
1561     ))] {
1562         mod b32;
1563         pub use self::b32::*;
1564     } else if #[cfg(any(
1565         target_arch = "x86_64",
1566         target_arch = "aarch64",
1567         target_arch = "powerpc64",
1568         target_arch = "mips64",
1569         target_arch = "mips64r6",
1570         target_arch = "s390x",
1571         target_arch = "sparc64",
1572         target_arch = "riscv64",
1573         target_arch = "loongarch64"
1574     ))] {
1575         mod b64;
1576         pub use self::b64::*;
1577     } else {
1578         // Unknown target_arch
1579     }
1580 }
1581