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 
7 cfg_if! {
8     if #[cfg(doc)] {
9         // Used in `linux::arch` to define ioctl constants.
10         pub(crate) type Ioctl = ::c_ulong;
11     } else {
12         #[doc(hidden)]
13         pub type Ioctl = ::c_ulong;
14     }
15 }
16 
17 s! {
18     pub struct statx {
19         pub stx_mask: u32,
20         pub stx_blksize: u32,
21         pub stx_attributes: u64,
22         pub stx_nlink: u32,
23         pub stx_uid: u32,
24         pub stx_gid: u32,
25         pub stx_mode: u16,
26         __statx_pad1: [u16; 1],
27         pub stx_ino: u64,
28         pub stx_size: u64,
29         pub stx_blocks: u64,
30         pub stx_attributes_mask: u64,
31         pub stx_atime: ::statx_timestamp,
32         pub stx_btime: ::statx_timestamp,
33         pub stx_ctime: ::statx_timestamp,
34         pub stx_mtime: ::statx_timestamp,
35         pub stx_rdev_major: u32,
36         pub stx_rdev_minor: u32,
37         pub stx_dev_major: u32,
38         pub stx_dev_minor: u32,
39         pub stx_mnt_id: u64,
40         pub stx_dio_mem_align: u32,
41         pub stx_dio_offset_align: u32,
42         __statx_pad3: [u64; 12],
43     }
44 
45     pub struct statx_timestamp {
46         pub tv_sec: i64,
47         pub tv_nsec: u32,
48         pub __statx_timestamp_pad1: [i32; 1],
49     }
50 
51     pub struct aiocb {
52         pub aio_fildes: ::c_int,
53         pub aio_lio_opcode: ::c_int,
54         pub aio_reqprio: ::c_int,
55         pub aio_buf: *mut ::c_void,
56         pub aio_nbytes: ::size_t,
57         pub aio_sigevent: ::sigevent,
58         __next_prio: *mut aiocb,
59         __abs_prio: ::c_int,
60         __policy: ::c_int,
61         __error_code: ::c_int,
62         __return_value: ::ssize_t,
63         pub aio_offset: off_t,
64         #[cfg(all(not(target_arch = "x86_64"), target_pointer_width = "32"))]
65         __unused1: [::c_char; 4],
66         __glibc_reserved: [::c_char; 32]
67     }
68 
69     pub struct __exit_status {
70         pub e_termination: ::c_short,
71         pub e_exit: ::c_short,
72     }
73 
74     pub struct __timeval {
75         pub tv_sec: i32,
76         pub tv_usec: i32,
77     }
78 
79     pub struct glob64_t {
80         pub gl_pathc: ::size_t,
81         pub gl_pathv: *mut *mut ::c_char,
82         pub gl_offs: ::size_t,
83         pub gl_flags: ::c_int,
84 
85         __unused1: *mut ::c_void,
86         __unused2: *mut ::c_void,
87         __unused3: *mut ::c_void,
88         __unused4: *mut ::c_void,
89         __unused5: *mut ::c_void,
90     }
91 
92     pub struct msghdr {
93         pub msg_name: *mut ::c_void,
94         pub msg_namelen: ::socklen_t,
95         pub msg_iov: *mut ::iovec,
96         pub msg_iovlen: ::size_t,
97         pub msg_control: *mut ::c_void,
98         pub msg_controllen: ::size_t,
99         pub msg_flags: ::c_int,
100     }
101 
102     pub struct cmsghdr {
103         pub cmsg_len: ::size_t,
104         pub cmsg_level: ::c_int,
105         pub cmsg_type: ::c_int,
106     }
107 
108     pub struct termios {
109         pub c_iflag: ::tcflag_t,
110         pub c_oflag: ::tcflag_t,
111         pub c_cflag: ::tcflag_t,
112         pub c_lflag: ::tcflag_t,
113         pub c_line: ::cc_t,
114         pub c_cc: [::cc_t; ::NCCS],
115         #[cfg(not(any(
116             target_arch = "sparc",
117             target_arch = "sparc64",
118             target_arch = "mips",
119             target_arch = "mips32r6",
120             target_arch = "mips64",
121             target_arch = "mips64r6")))]
122         pub c_ispeed: ::speed_t,
123         #[cfg(not(any(
124             target_arch = "sparc",
125             target_arch = "sparc64",
126             target_arch = "mips",
127             target_arch = "mips32r6",
128             target_arch = "mips64",
129             target_arch = "mips64r6")))]
130         pub c_ospeed: ::speed_t,
131     }
132 
133     pub struct mallinfo {
134         pub arena: ::c_int,
135         pub ordblks: ::c_int,
136         pub smblks: ::c_int,
137         pub hblks: ::c_int,
138         pub hblkhd: ::c_int,
139         pub usmblks: ::c_int,
140         pub fsmblks: ::c_int,
141         pub uordblks: ::c_int,
142         pub fordblks: ::c_int,
143         pub keepcost: ::c_int,
144     }
145 
146     pub struct mallinfo2 {
147         pub arena: ::size_t,
148         pub ordblks: ::size_t,
149         pub smblks: ::size_t,
150         pub hblks: ::size_t,
151         pub hblkhd: ::size_t,
152         pub usmblks: ::size_t,
153         pub fsmblks: ::size_t,
154         pub uordblks: ::size_t,
155         pub fordblks: ::size_t,
156         pub keepcost: ::size_t,
157     }
158 
159     pub struct nl_pktinfo {
160         pub group: u32,
161     }
162 
163     pub struct nl_mmap_req {
164         pub nm_block_size: ::c_uint,
165         pub nm_block_nr: ::c_uint,
166         pub nm_frame_size: ::c_uint,
167         pub nm_frame_nr: ::c_uint,
168     }
169 
170     pub struct nl_mmap_hdr {
171         pub nm_status: ::c_uint,
172         pub nm_len: ::c_uint,
173         pub nm_group: u32,
174         pub nm_pid: u32,
175         pub nm_uid: u32,
176         pub nm_gid: u32,
177     }
178 
179     pub struct rtentry {
180         pub rt_pad1: ::c_ulong,
181         pub rt_dst: ::sockaddr,
182         pub rt_gateway: ::sockaddr,
183         pub rt_genmask: ::sockaddr,
184         pub rt_flags: ::c_ushort,
185         pub rt_pad2: ::c_short,
186         pub rt_pad3: ::c_ulong,
187         pub rt_tos: ::c_uchar,
188         pub rt_class: ::c_uchar,
189         #[cfg(target_pointer_width = "64")]
190         pub rt_pad4: [::c_short; 3usize],
191         #[cfg(not(target_pointer_width = "64"))]
192         pub rt_pad4: ::c_short,
193         pub rt_metric: ::c_short,
194         pub rt_dev: *mut ::c_char,
195         pub rt_mtu: ::c_ulong,
196         pub rt_window: ::c_ulong,
197         pub rt_irtt: ::c_ushort,
198     }
199 
200     pub struct timex {
201         pub modes: ::c_uint,
202         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
203         pub offset: i64,
204         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
205         pub offset: ::c_long,
206         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
207         pub freq: i64,
208         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
209         pub freq: ::c_long,
210         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
211         pub maxerror: i64,
212         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
213         pub maxerror: ::c_long,
214         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
215         pub esterror: i64,
216         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
217         pub esterror: ::c_long,
218         pub status: ::c_int,
219         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
220         pub constant: i64,
221         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
222         pub constant: ::c_long,
223         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
224         pub precision: i64,
225         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
226         pub precision: ::c_long,
227         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
228         pub tolerance: i64,
229         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
230         pub tolerance: ::c_long,
231         pub time: ::timeval,
232         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
233         pub tick: i64,
234         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
235         pub tick: ::c_long,
236         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
237         pub ppsfreq: i64,
238         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
239         pub ppsfreq: ::c_long,
240         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
241         pub jitter: i64,
242         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
243         pub jitter: ::c_long,
244         pub shift: ::c_int,
245         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
246         pub stabil: i64,
247         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
248         pub stabil: ::c_long,
249         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
250         pub jitcnt: i64,
251         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
252         pub jitcnt: ::c_long,
253         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
254         pub calcnt: i64,
255         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
256         pub calcnt: ::c_long,
257         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
258         pub errcnt: i64,
259         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
260         pub errcnt: ::c_long,
261         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
262         pub stbcnt: i64,
263         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
264         pub stbcnt: ::c_long,
265         pub tai: ::c_int,
266         pub __unused1: i32,
267         pub __unused2: i32,
268         pub __unused3: i32,
269         pub __unused4: i32,
270         pub __unused5: i32,
271         pub __unused6: i32,
272         pub __unused7: i32,
273         pub __unused8: i32,
274         pub __unused9: i32,
275         pub __unused10: i32,
276         pub __unused11: i32,
277     }
278 
279     pub struct ntptimeval {
280         pub time: ::timeval,
281         pub maxerror: ::c_long,
282         pub esterror: ::c_long,
283         pub tai: ::c_long,
284         pub __glibc_reserved1: ::c_long,
285         pub __glibc_reserved2: ::c_long,
286         pub __glibc_reserved3: ::c_long,
287         pub __glibc_reserved4: ::c_long,
288     }
289 
290     pub struct regex_t {
291         __buffer: *mut ::c_void,
292         __allocated: ::size_t,
293         __used: ::size_t,
294         __syntax: ::c_ulong,
295         __fastmap: *mut ::c_char,
296         __translate: *mut ::c_char,
297         __re_nsub: ::size_t,
298         __bitfield: u8,
299     }
300 
301     pub struct Elf64_Chdr {
302         pub ch_type: ::Elf64_Word,
303         pub ch_reserved: ::Elf64_Word,
304         pub ch_size: ::Elf64_Xword,
305         pub ch_addralign: ::Elf64_Xword,
306     }
307 
308     pub struct Elf32_Chdr {
309         pub ch_type: ::Elf32_Word,
310         pub ch_size: ::Elf32_Word,
311         pub ch_addralign: ::Elf32_Word,
312     }
313 
314     pub struct seminfo {
315         pub semmap: ::c_int,
316         pub semmni: ::c_int,
317         pub semmns: ::c_int,
318         pub semmnu: ::c_int,
319         pub semmsl: ::c_int,
320         pub semopm: ::c_int,
321         pub semume: ::c_int,
322         pub semusz: ::c_int,
323         pub semvmx: ::c_int,
324         pub semaem: ::c_int,
325     }
326 
327     pub struct ptrace_peeksiginfo_args {
328         pub off: ::__u64,
329         pub flags: ::__u32,
330         pub nr: ::__s32,
331     }
332 
333     pub struct __c_anonymous_ptrace_syscall_info_entry {
334         pub nr: ::__u64,
335         pub args: [::__u64; 6],
336     }
337 
338     pub struct __c_anonymous_ptrace_syscall_info_exit {
339         pub sval: ::__s64,
340         pub is_error: ::__u8,
341     }
342 
343     pub struct __c_anonymous_ptrace_syscall_info_seccomp {
344         pub nr: ::__u64,
345         pub args: [::__u64; 6],
346         pub ret_data: ::__u32,
347     }
348 
349     pub struct ptrace_syscall_info {
350         pub op: ::__u8,
351         pub pad: [::__u8; 3],
352         pub arch: ::__u32,
353         pub instruction_pointer: ::__u64,
354         pub stack_pointer: ::__u64,
355         #[cfg(libc_union)]
356         pub u: __c_anonymous_ptrace_syscall_info_data,
357     }
358 
359     // linux/if_xdp.h
360 
361     pub struct sockaddr_xdp {
362         pub sxdp_family: ::__u16,
363         pub sxdp_flags: ::__u16,
364         pub sxdp_ifindex: ::__u32,
365         pub sxdp_queue_id: ::__u32,
366         pub sxdp_shared_umem_fd: ::__u32,
367     }
368 
369     pub struct xdp_ring_offset {
370         pub producer: ::__u64,
371         pub consumer: ::__u64,
372         pub desc: ::__u64,
373         pub flags: ::__u64,
374     }
375 
376     pub struct xdp_mmap_offsets {
377         pub rx: xdp_ring_offset,
378         pub tx: xdp_ring_offset,
379         pub fr: xdp_ring_offset,
380         pub cr: xdp_ring_offset,
381     }
382 
383     pub struct xdp_ring_offset_v1 {
384         pub producer: ::__u64,
385         pub consumer: ::__u64,
386         pub desc: ::__u64,
387     }
388 
389     pub struct xdp_mmap_offsets_v1 {
390         pub rx: xdp_ring_offset_v1,
391         pub tx: xdp_ring_offset_v1,
392         pub fr: xdp_ring_offset_v1,
393         pub cr: xdp_ring_offset_v1,
394     }
395 
396     pub struct xdp_umem_reg {
397         pub addr: ::__u64,
398         pub len: ::__u64,
399         pub chunk_size: ::__u32,
400         pub headroom: ::__u32,
401         pub flags: ::__u32,
402     }
403 
404     pub struct xdp_umem_reg_v1 {
405         pub addr: ::__u64,
406         pub len: ::__u64,
407         pub chunk_size: ::__u32,
408         pub headroom: ::__u32,
409     }
410 
411     pub struct xdp_statistics {
412         pub rx_dropped: ::__u64,
413         pub rx_invalid_descs: ::__u64,
414         pub tx_invalid_descs: ::__u64,
415         pub rx_ring_full: ::__u64,
416         pub rx_fill_ring_empty_descs: ::__u64,
417         pub tx_ring_empty_descs: ::__u64,
418     }
419 
420     pub struct xdp_statistics_v1 {
421         pub rx_dropped: ::__u64,
422         pub rx_invalid_descs: ::__u64,
423         pub tx_invalid_descs: ::__u64,
424     }
425 
426     pub struct xdp_options {
427         pub flags: ::__u32,
428     }
429 
430     pub struct xdp_desc {
431         pub addr: ::__u64,
432         pub len: ::__u32,
433         pub options: ::__u32,
434     }
435 }
436 
437 impl siginfo_t {
438     pub unsafe fn si_addr(&self) -> *mut ::c_void {
439         #[repr(C)]
440         struct siginfo_sigfault {
441             _si_signo: ::c_int,
442             _si_errno: ::c_int,
443             _si_code: ::c_int,
444             si_addr: *mut ::c_void,
445         }
446         (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
447     }
448 
449     pub unsafe fn si_value(&self) -> ::sigval {
450         #[repr(C)]
451         struct siginfo_timer {
452             _si_signo: ::c_int,
453             _si_errno: ::c_int,
454             _si_code: ::c_int,
455             _si_tid: ::c_int,
456             _si_overrun: ::c_int,
457             si_sigval: ::sigval,
458         }
459         (*(self as *const siginfo_t as *const siginfo_timer)).si_sigval
460     }
461 }
462 
463 cfg_if! {
464     if #[cfg(libc_union)] {
465         // Internal, for casts to access union fields
466         #[repr(C)]
467         struct sifields_sigchld {
468             si_pid: ::pid_t,
469             si_uid: ::uid_t,
470             si_status: ::c_int,
471             si_utime: ::c_long,
472             si_stime: ::c_long,
473         }
474         impl ::Copy for sifields_sigchld {}
475         impl ::Clone for sifields_sigchld {
476             fn clone(&self) -> sifields_sigchld {
477                 *self
478             }
479         }
480 
481         // Internal, for casts to access union fields
482         #[repr(C)]
483         union sifields {
484             _align_pointer: *mut ::c_void,
485             sigchld: sifields_sigchld,
486         }
487 
488         // Internal, for casts to access union fields. Note that some variants
489         // of sifields start with a pointer, which makes the alignment of
490         // sifields vary on 32-bit and 64-bit architectures.
491         #[repr(C)]
492         struct siginfo_f {
493             _siginfo_base: [::c_int; 3],
494             sifields: sifields,
495         }
496 
497         impl siginfo_t {
498             unsafe fn sifields(&self) -> &sifields {
499                 &(*(self as *const siginfo_t as *const siginfo_f)).sifields
500             }
501 
502             pub unsafe fn si_pid(&self) -> ::pid_t {
503                 self.sifields().sigchld.si_pid
504             }
505 
506             pub unsafe fn si_uid(&self) -> ::uid_t {
507                 self.sifields().sigchld.si_uid
508             }
509 
510             pub unsafe fn si_status(&self) -> ::c_int {
511                 self.sifields().sigchld.si_status
512             }
513 
514             pub unsafe fn si_utime(&self) -> ::c_long {
515                 self.sifields().sigchld.si_utime
516             }
517 
518             pub unsafe fn si_stime(&self) -> ::c_long {
519                 self.sifields().sigchld.si_stime
520             }
521         }
522 
523         pub union __c_anonymous_ptrace_syscall_info_data {
524             pub entry: __c_anonymous_ptrace_syscall_info_entry,
525             pub exit: __c_anonymous_ptrace_syscall_info_exit,
526             pub seccomp: __c_anonymous_ptrace_syscall_info_seccomp,
527         }
528         impl ::Copy for __c_anonymous_ptrace_syscall_info_data {}
529         impl ::Clone for __c_anonymous_ptrace_syscall_info_data {
530             fn clone(&self) -> __c_anonymous_ptrace_syscall_info_data {
531                 *self
532             }
533         }
534     }
535 }
536 
537 s_no_extra_traits! {
538     pub struct utmpx {
539         pub ut_type: ::c_short,
540         pub ut_pid: ::pid_t,
541         pub ut_line: [::c_char; __UT_LINESIZE],
542         pub ut_id: [::c_char; 4],
543 
544         pub ut_user: [::c_char; __UT_NAMESIZE],
545         pub ut_host: [::c_char; __UT_HOSTSIZE],
546         pub ut_exit: __exit_status,
547 
548         #[cfg(any(target_arch = "aarch64",
549                   target_arch = "s390x",
550                   target_arch = "loongarch64",
551                   all(target_pointer_width = "32",
552                       not(target_arch = "x86_64"))))]
553         pub ut_session: ::c_long,
554         #[cfg(any(target_arch = "aarch64",
555                   target_arch = "s390x",
556                   target_arch = "loongarch64",
557                   all(target_pointer_width = "32",
558                       not(target_arch = "x86_64"))))]
559         pub ut_tv: ::timeval,
560 
561         #[cfg(not(any(target_arch = "aarch64",
562                       target_arch = "s390x",
563                       target_arch = "loongarch64",
564                       all(target_pointer_width = "32",
565                           not(target_arch = "x86_64")))))]
566         pub ut_session: i32,
567         #[cfg(not(any(target_arch = "aarch64",
568                       target_arch = "s390x",
569                       target_arch = "loongarch64",
570                       all(target_pointer_width = "32",
571                           not(target_arch = "x86_64")))))]
572         pub ut_tv: __timeval,
573 
574         pub ut_addr_v6: [i32; 4],
575         __glibc_reserved: [::c_char; 20],
576     }
577 }
578 
579 cfg_if! {
580     if #[cfg(feature = "extra_traits")] {
581         impl PartialEq for utmpx {
582             fn eq(&self, other: &utmpx) -> bool {
583                 self.ut_type == other.ut_type
584                     && self.ut_pid == other.ut_pid
585                     && self.ut_line == other.ut_line
586                     && self.ut_id == other.ut_id
587                     && self.ut_user == other.ut_user
588                     && self
589                     .ut_host
590                     .iter()
591                     .zip(other.ut_host.iter())
592                     .all(|(a,b)| a == b)
593                     && self.ut_exit == other.ut_exit
594                     && self.ut_session == other.ut_session
595                     && self.ut_tv == other.ut_tv
596                     && self.ut_addr_v6 == other.ut_addr_v6
597                     && self.__glibc_reserved == other.__glibc_reserved
598             }
599         }
600 
601         impl Eq for utmpx {}
602 
603         impl ::fmt::Debug for utmpx {
604             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
605                 f.debug_struct("utmpx")
606                     .field("ut_type", &self.ut_type)
607                     .field("ut_pid", &self.ut_pid)
608                     .field("ut_line", &self.ut_line)
609                     .field("ut_id", &self.ut_id)
610                     .field("ut_user", &self.ut_user)
611                 // FIXME: .field("ut_host", &self.ut_host)
612                     .field("ut_exit", &self.ut_exit)
613                     .field("ut_session", &self.ut_session)
614                     .field("ut_tv", &self.ut_tv)
615                     .field("ut_addr_v6", &self.ut_addr_v6)
616                     .field("__glibc_reserved", &self.__glibc_reserved)
617                     .finish()
618             }
619         }
620 
621         impl ::hash::Hash for utmpx {
622             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
623                 self.ut_type.hash(state);
624                 self.ut_pid.hash(state);
625                 self.ut_line.hash(state);
626                 self.ut_id.hash(state);
627                 self.ut_user.hash(state);
628                 self.ut_host.hash(state);
629                 self.ut_exit.hash(state);
630                 self.ut_session.hash(state);
631                 self.ut_tv.hash(state);
632                 self.ut_addr_v6.hash(state);
633                 self.__glibc_reserved.hash(state);
634             }
635         }
636 
637         #[cfg(libc_union)]
638         impl PartialEq for __c_anonymous_ptrace_syscall_info_data {
639             fn eq(&self, other: &__c_anonymous_ptrace_syscall_info_data) -> bool {
640                 unsafe {
641                 self.entry == other.entry ||
642                     self.exit == other.exit ||
643                     self.seccomp == other.seccomp
644                 }
645             }
646         }
647 
648         #[cfg(libc_union)]
649         impl Eq for __c_anonymous_ptrace_syscall_info_data {}
650 
651         #[cfg(libc_union)]
652         impl ::fmt::Debug for __c_anonymous_ptrace_syscall_info_data {
653             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
654                 unsafe {
655                 f.debug_struct("__c_anonymous_ptrace_syscall_info_data")
656                     .field("entry", &self.entry)
657                     .field("exit", &self.exit)
658                     .field("seccomp", &self.seccomp)
659                     .finish()
660                 }
661             }
662         }
663 
664         #[cfg(libc_union)]
665         impl ::hash::Hash for __c_anonymous_ptrace_syscall_info_data {
666             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
667                 unsafe {
668                 self.entry.hash(state);
669                 self.exit.hash(state);
670                 self.seccomp.hash(state);
671                 }
672             }
673         }
674     }
675 }
676 
677 // include/uapi/asm-generic/hugetlb_encode.h
678 pub const HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = 26;
679 pub const HUGETLB_FLAG_ENCODE_MASK: ::c_int = 0x3f;
680 
681 pub const HUGETLB_FLAG_ENCODE_64KB: ::c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
682 pub const HUGETLB_FLAG_ENCODE_512KB: ::c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
683 pub const HUGETLB_FLAG_ENCODE_1MB: ::c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
684 pub const HUGETLB_FLAG_ENCODE_2MB: ::c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
685 pub const HUGETLB_FLAG_ENCODE_8MB: ::c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
686 pub const HUGETLB_FLAG_ENCODE_16MB: ::c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
687 pub const HUGETLB_FLAG_ENCODE_32MB: ::c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
688 pub const HUGETLB_FLAG_ENCODE_256MB: ::c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
689 pub const HUGETLB_FLAG_ENCODE_512MB: ::c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
690 pub const HUGETLB_FLAG_ENCODE_1GB: ::c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
691 pub const HUGETLB_FLAG_ENCODE_2GB: ::c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
692 pub const HUGETLB_FLAG_ENCODE_16GB: ::c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;
693 
694 // include/uapi/linux/mman.h
695 /*
696  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
697  * size other than the default is desired.  See hugetlb_encode.h.
698  * All known huge page size encodings are provided here.  It is the
699  * responsibility of the application to know which sizes are supported on
700  * the running system.  See mmap(2) man page for details.
701  */
702 pub const MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT;
703 pub const MAP_HUGE_MASK: ::c_int = HUGETLB_FLAG_ENCODE_MASK;
704 
705 pub const MAP_HUGE_64KB: ::c_int = HUGETLB_FLAG_ENCODE_64KB;
706 pub const MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB;
707 pub const MAP_HUGE_1MB: ::c_int = HUGETLB_FLAG_ENCODE_1MB;
708 pub const MAP_HUGE_2MB: ::c_int = HUGETLB_FLAG_ENCODE_2MB;
709 pub const MAP_HUGE_8MB: ::c_int = HUGETLB_FLAG_ENCODE_8MB;
710 pub const MAP_HUGE_16MB: ::c_int = HUGETLB_FLAG_ENCODE_16MB;
711 pub const MAP_HUGE_32MB: ::c_int = HUGETLB_FLAG_ENCODE_32MB;
712 pub const MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB;
713 pub const MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB;
714 pub const MAP_HUGE_1GB: ::c_int = HUGETLB_FLAG_ENCODE_1GB;
715 pub const MAP_HUGE_2GB: ::c_int = HUGETLB_FLAG_ENCODE_2GB;
716 pub const MAP_HUGE_16GB: ::c_int = HUGETLB_FLAG_ENCODE_16GB;
717 
718 pub const PRIO_PROCESS: ::__priority_which_t = 0;
719 pub const PRIO_PGRP: ::__priority_which_t = 1;
720 pub const PRIO_USER: ::__priority_which_t = 2;
721 
722 pub const MS_RMT_MASK: ::c_ulong = 0x02800051;
723 
724 pub const __UT_LINESIZE: usize = 32;
725 pub const __UT_NAMESIZE: usize = 32;
726 pub const __UT_HOSTSIZE: usize = 256;
727 pub const EMPTY: ::c_short = 0;
728 pub const RUN_LVL: ::c_short = 1;
729 pub const BOOT_TIME: ::c_short = 2;
730 pub const NEW_TIME: ::c_short = 3;
731 pub const OLD_TIME: ::c_short = 4;
732 pub const INIT_PROCESS: ::c_short = 5;
733 pub const LOGIN_PROCESS: ::c_short = 6;
734 pub const USER_PROCESS: ::c_short = 7;
735 pub const DEAD_PROCESS: ::c_short = 8;
736 pub const ACCOUNTING: ::c_short = 9;
737 
738 // dlfcn.h
739 pub const LM_ID_BASE: ::c_long = 0;
740 pub const LM_ID_NEWLM: ::c_long = -1;
741 
742 pub const RTLD_DI_LMID: ::c_int = 1;
743 pub const RTLD_DI_LINKMAP: ::c_int = 2;
744 pub const RTLD_DI_CONFIGADDR: ::c_int = 3;
745 pub const RTLD_DI_SERINFO: ::c_int = 4;
746 pub const RTLD_DI_SERINFOSIZE: ::c_int = 5;
747 pub const RTLD_DI_ORIGIN: ::c_int = 6;
748 pub const RTLD_DI_PROFILENAME: ::c_int = 7;
749 pub const RTLD_DI_PROFILEOUT: ::c_int = 8;
750 pub const RTLD_DI_TLS_MODID: ::c_int = 9;
751 pub const RTLD_DI_TLS_DATA: ::c_int = 10;
752 
753 pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
754 pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;
755 
756 pub const SOL_RXRPC: ::c_int = 272;
757 pub const SOL_PPPOL2TP: ::c_int = 273;
758 pub const SOL_PNPIPE: ::c_int = 275;
759 pub const SOL_RDS: ::c_int = 276;
760 pub const SOL_IUCV: ::c_int = 277;
761 pub const SOL_CAIF: ::c_int = 278;
762 pub const SOL_NFC: ::c_int = 280;
763 pub const SOL_XDP: ::c_int = 283;
764 
765 pub const MSG_TRYHARD: ::c_int = 4;
766 
767 pub const LC_PAPER: ::c_int = 7;
768 pub const LC_NAME: ::c_int = 8;
769 pub const LC_ADDRESS: ::c_int = 9;
770 pub const LC_TELEPHONE: ::c_int = 10;
771 pub const LC_MEASUREMENT: ::c_int = 11;
772 pub const LC_IDENTIFICATION: ::c_int = 12;
773 pub const LC_PAPER_MASK: ::c_int = 1 << LC_PAPER;
774 pub const LC_NAME_MASK: ::c_int = 1 << LC_NAME;
775 pub const LC_ADDRESS_MASK: ::c_int = 1 << LC_ADDRESS;
776 pub const LC_TELEPHONE_MASK: ::c_int = 1 << LC_TELEPHONE;
777 pub const LC_MEASUREMENT_MASK: ::c_int = 1 << LC_MEASUREMENT;
778 pub const LC_IDENTIFICATION_MASK: ::c_int = 1 << LC_IDENTIFICATION;
779 pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
780     | ::LC_NUMERIC_MASK
781     | ::LC_TIME_MASK
782     | ::LC_COLLATE_MASK
783     | ::LC_MONETARY_MASK
784     | ::LC_MESSAGES_MASK
785     | LC_PAPER_MASK
786     | LC_NAME_MASK
787     | LC_ADDRESS_MASK
788     | LC_TELEPHONE_MASK
789     | LC_MEASUREMENT_MASK
790     | LC_IDENTIFICATION_MASK;
791 
792 pub const ENOTSUP: ::c_int = EOPNOTSUPP;
793 
794 pub const SOCK_SEQPACKET: ::c_int = 5;
795 pub const SOCK_DCCP: ::c_int = 6;
796 pub const SOCK_PACKET: ::c_int = 10;
797 
798 pub const AF_IB: ::c_int = 27;
799 pub const AF_MPLS: ::c_int = 28;
800 pub const AF_NFC: ::c_int = 39;
801 pub const AF_VSOCK: ::c_int = 40;
802 pub const AF_XDP: ::c_int = 44;
803 pub const PF_IB: ::c_int = AF_IB;
804 pub const PF_MPLS: ::c_int = AF_MPLS;
805 pub const PF_NFC: ::c_int = AF_NFC;
806 pub const PF_VSOCK: ::c_int = AF_VSOCK;
807 pub const PF_XDP: ::c_int = AF_XDP;
808 
809 pub const SIGEV_THREAD_ID: ::c_int = 4;
810 
811 pub const BUFSIZ: ::c_uint = 8192;
812 pub const TMP_MAX: ::c_uint = 238328;
813 pub const FOPEN_MAX: ::c_uint = 16;
814 pub const FILENAME_MAX: ::c_uint = 4096;
815 pub const POSIX_MADV_DONTNEED: ::c_int = 4;
816 pub const _SC_EQUIV_CLASS_MAX: ::c_int = 41;
817 pub const _SC_CHARCLASS_NAME_MAX: ::c_int = 45;
818 pub const _SC_PII: ::c_int = 53;
819 pub const _SC_PII_XTI: ::c_int = 54;
820 pub const _SC_PII_SOCKET: ::c_int = 55;
821 pub const _SC_PII_INTERNET: ::c_int = 56;
822 pub const _SC_PII_OSI: ::c_int = 57;
823 pub const _SC_POLL: ::c_int = 58;
824 pub const _SC_SELECT: ::c_int = 59;
825 pub const _SC_PII_INTERNET_STREAM: ::c_int = 61;
826 pub const _SC_PII_INTERNET_DGRAM: ::c_int = 62;
827 pub const _SC_PII_OSI_COTS: ::c_int = 63;
828 pub const _SC_PII_OSI_CLTS: ::c_int = 64;
829 pub const _SC_PII_OSI_M: ::c_int = 65;
830 pub const _SC_T_IOV_MAX: ::c_int = 66;
831 pub const _SC_2_C_VERSION: ::c_int = 96;
832 pub const _SC_CHAR_BIT: ::c_int = 101;
833 pub const _SC_CHAR_MAX: ::c_int = 102;
834 pub const _SC_CHAR_MIN: ::c_int = 103;
835 pub const _SC_INT_MAX: ::c_int = 104;
836 pub const _SC_INT_MIN: ::c_int = 105;
837 pub const _SC_LONG_BIT: ::c_int = 106;
838 pub const _SC_WORD_BIT: ::c_int = 107;
839 pub const _SC_MB_LEN_MAX: ::c_int = 108;
840 pub const _SC_SSIZE_MAX: ::c_int = 110;
841 pub const _SC_SCHAR_MAX: ::c_int = 111;
842 pub const _SC_SCHAR_MIN: ::c_int = 112;
843 pub const _SC_SHRT_MAX: ::c_int = 113;
844 pub const _SC_SHRT_MIN: ::c_int = 114;
845 pub const _SC_UCHAR_MAX: ::c_int = 115;
846 pub const _SC_UINT_MAX: ::c_int = 116;
847 pub const _SC_ULONG_MAX: ::c_int = 117;
848 pub const _SC_USHRT_MAX: ::c_int = 118;
849 pub const _SC_NL_ARGMAX: ::c_int = 119;
850 pub const _SC_NL_LANGMAX: ::c_int = 120;
851 pub const _SC_NL_MSGMAX: ::c_int = 121;
852 pub const _SC_NL_NMAX: ::c_int = 122;
853 pub const _SC_NL_SETMAX: ::c_int = 123;
854 pub const _SC_NL_TEXTMAX: ::c_int = 124;
855 pub const _SC_BASE: ::c_int = 134;
856 pub const _SC_C_LANG_SUPPORT: ::c_int = 135;
857 pub const _SC_C_LANG_SUPPORT_R: ::c_int = 136;
858 pub const _SC_DEVICE_IO: ::c_int = 140;
859 pub const _SC_DEVICE_SPECIFIC: ::c_int = 141;
860 pub const _SC_DEVICE_SPECIFIC_R: ::c_int = 142;
861 pub const _SC_FD_MGMT: ::c_int = 143;
862 pub const _SC_FIFO: ::c_int = 144;
863 pub const _SC_PIPE: ::c_int = 145;
864 pub const _SC_FILE_ATTRIBUTES: ::c_int = 146;
865 pub const _SC_FILE_LOCKING: ::c_int = 147;
866 pub const _SC_FILE_SYSTEM: ::c_int = 148;
867 pub const _SC_MULTI_PROCESS: ::c_int = 150;
868 pub const _SC_SINGLE_PROCESS: ::c_int = 151;
869 pub const _SC_NETWORKING: ::c_int = 152;
870 pub const _SC_REGEX_VERSION: ::c_int = 156;
871 pub const _SC_SIGNALS: ::c_int = 158;
872 pub const _SC_SYSTEM_DATABASE: ::c_int = 162;
873 pub const _SC_SYSTEM_DATABASE_R: ::c_int = 163;
874 pub const _SC_USER_GROUPS: ::c_int = 166;
875 pub const _SC_USER_GROUPS_R: ::c_int = 167;
876 pub const _SC_LEVEL1_ICACHE_SIZE: ::c_int = 185;
877 pub const _SC_LEVEL1_ICACHE_ASSOC: ::c_int = 186;
878 pub const _SC_LEVEL1_ICACHE_LINESIZE: ::c_int = 187;
879 pub const _SC_LEVEL1_DCACHE_SIZE: ::c_int = 188;
880 pub const _SC_LEVEL1_DCACHE_ASSOC: ::c_int = 189;
881 pub const _SC_LEVEL1_DCACHE_LINESIZE: ::c_int = 190;
882 pub const _SC_LEVEL2_CACHE_SIZE: ::c_int = 191;
883 pub const _SC_LEVEL2_CACHE_ASSOC: ::c_int = 192;
884 pub const _SC_LEVEL2_CACHE_LINESIZE: ::c_int = 193;
885 pub const _SC_LEVEL3_CACHE_SIZE: ::c_int = 194;
886 pub const _SC_LEVEL3_CACHE_ASSOC: ::c_int = 195;
887 pub const _SC_LEVEL3_CACHE_LINESIZE: ::c_int = 196;
888 pub const _SC_LEVEL4_CACHE_SIZE: ::c_int = 197;
889 pub const _SC_LEVEL4_CACHE_ASSOC: ::c_int = 198;
890 pub const _SC_LEVEL4_CACHE_LINESIZE: ::c_int = 199;
891 pub const O_ACCMODE: ::c_int = 3;
892 pub const ST_RELATIME: ::c_ulong = 4096;
893 pub const NI_MAXHOST: ::socklen_t = 1025;
894 
895 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
896 // following are only available on newer Linux versions than the versions
897 // currently used in CI in some configurations, so we define them here.
898 cfg_if! {
899     if #[cfg(not(target_arch = "s390x"))] {
900         pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
901         pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
902     } else if #[cfg(target_arch = "s390x")] {
903         pub const BINDERFS_SUPER_MAGIC: ::c_uint = 0x6c6f6f70;
904         pub const XFS_SUPER_MAGIC: ::c_uint = 0x58465342;
905     }
906 }
907 
908 pub const CPU_SETSIZE: ::c_int = 0x400;
909 
910 pub const PTRACE_TRACEME: ::c_uint = 0;
911 pub const PTRACE_PEEKTEXT: ::c_uint = 1;
912 pub const PTRACE_PEEKDATA: ::c_uint = 2;
913 pub const PTRACE_PEEKUSER: ::c_uint = 3;
914 pub const PTRACE_POKETEXT: ::c_uint = 4;
915 pub const PTRACE_POKEDATA: ::c_uint = 5;
916 pub const PTRACE_POKEUSER: ::c_uint = 6;
917 pub const PTRACE_CONT: ::c_uint = 7;
918 pub const PTRACE_KILL: ::c_uint = 8;
919 pub const PTRACE_SINGLESTEP: ::c_uint = 9;
920 pub const PTRACE_ATTACH: ::c_uint = 16;
921 pub const PTRACE_SYSCALL: ::c_uint = 24;
922 pub const PTRACE_SETOPTIONS: ::c_uint = 0x4200;
923 pub const PTRACE_GETEVENTMSG: ::c_uint = 0x4201;
924 pub const PTRACE_GETSIGINFO: ::c_uint = 0x4202;
925 pub const PTRACE_SETSIGINFO: ::c_uint = 0x4203;
926 pub const PTRACE_GETREGSET: ::c_uint = 0x4204;
927 pub const PTRACE_SETREGSET: ::c_uint = 0x4205;
928 pub const PTRACE_SEIZE: ::c_uint = 0x4206;
929 pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
930 pub const PTRACE_LISTEN: ::c_uint = 0x4208;
931 pub const PTRACE_PEEKSIGINFO: ::c_uint = 0x4209;
932 pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
933 pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;
934 pub const PTRACE_GET_SYSCALL_INFO: ::c_uint = 0x420e;
935 pub const PTRACE_SYSCALL_INFO_NONE: ::__u8 = 0;
936 pub const PTRACE_SYSCALL_INFO_ENTRY: ::__u8 = 1;
937 pub const PTRACE_SYSCALL_INFO_EXIT: ::__u8 = 2;
938 pub const PTRACE_SYSCALL_INFO_SECCOMP: ::__u8 = 3;
939 
940 // linux/fs.h
941 
942 // Flags for preadv2/pwritev2
943 pub const RWF_HIPRI: ::c_int = 0x00000001;
944 pub const RWF_DSYNC: ::c_int = 0x00000002;
945 pub const RWF_SYNC: ::c_int = 0x00000004;
946 pub const RWF_NOWAIT: ::c_int = 0x00000008;
947 pub const RWF_APPEND: ::c_int = 0x00000010;
948 
949 // linux/rtnetlink.h
950 pub const TCA_PAD: ::c_ushort = 9;
951 pub const TCA_DUMP_INVISIBLE: ::c_ushort = 10;
952 pub const TCA_CHAIN: ::c_ushort = 11;
953 pub const TCA_HW_OFFLOAD: ::c_ushort = 12;
954 
955 pub const RTM_DELNETCONF: u16 = 81;
956 pub const RTM_NEWSTATS: u16 = 92;
957 pub const RTM_GETSTATS: u16 = 94;
958 pub const RTM_NEWCACHEREPORT: u16 = 96;
959 
960 pub const RTM_F_LOOKUP_TABLE: ::c_uint = 0x1000;
961 pub const RTM_F_FIB_MATCH: ::c_uint = 0x2000;
962 
963 pub const RTA_VIA: ::c_ushort = 18;
964 pub const RTA_NEWDST: ::c_ushort = 19;
965 pub const RTA_PREF: ::c_ushort = 20;
966 pub const RTA_ENCAP_TYPE: ::c_ushort = 21;
967 pub const RTA_ENCAP: ::c_ushort = 22;
968 pub const RTA_EXPIRES: ::c_ushort = 23;
969 pub const RTA_PAD: ::c_ushort = 24;
970 pub const RTA_UID: ::c_ushort = 25;
971 pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;
972 
973 // linux/neighbor.h
974 pub const NTF_EXT_LEARNED: u8 = 0x10;
975 pub const NTF_OFFLOADED: u8 = 0x20;
976 
977 pub const NDA_MASTER: ::c_ushort = 9;
978 pub const NDA_LINK_NETNSID: ::c_ushort = 10;
979 pub const NDA_SRC_VNI: ::c_ushort = 11;
980 
981 // linux/personality.h
982 pub const UNAME26: ::c_int = 0x0020000;
983 pub const FDPIC_FUNCPTRS: ::c_int = 0x0080000;
984 
985 // linux/if_addr.h
986 pub const IFA_FLAGS: ::c_ushort = 8;
987 
988 pub const IFA_F_MANAGETEMPADDR: u32 = 0x100;
989 pub const IFA_F_NOPREFIXROUTE: u32 = 0x200;
990 pub const IFA_F_MCAUTOJOIN: u32 = 0x400;
991 pub const IFA_F_STABLE_PRIVACY: u32 = 0x800;
992 
993 pub const MAX_LINKS: ::c_int = 32;
994 
995 pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;
996 
997 pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
998 pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;
999 
1000 // linux/if_xdp.h
1001 pub const XDP_SHARED_UMEM: ::__u16 = 1 << 0;
1002 pub const XDP_COPY: ::__u16 = 1 << 1;
1003 pub const XDP_ZEROCOPY: ::__u16 = 1 << 2;
1004 pub const XDP_USE_NEED_WAKEUP: ::__u16 = 1 << 3;
1005 pub const XDP_USE_SG: ::__u16 = 1 << 4;
1006 
1007 pub const XDP_UMEM_UNALIGNED_CHUNK_FLAG: ::__u32 = 1 << 0;
1008 
1009 pub const XDP_RING_NEED_WAKEUP: ::__u32 = 1 << 0;
1010 
1011 pub const XDP_MMAP_OFFSETS: ::c_int = 1;
1012 pub const XDP_RX_RING: ::c_int = 2;
1013 pub const XDP_TX_RING: ::c_int = 3;
1014 pub const XDP_UMEM_REG: ::c_int = 4;
1015 pub const XDP_UMEM_FILL_RING: ::c_int = 5;
1016 pub const XDP_UMEM_COMPLETION_RING: ::c_int = 6;
1017 pub const XDP_STATISTICS: ::c_int = 7;
1018 pub const XDP_OPTIONS: ::c_int = 8;
1019 
1020 pub const XDP_OPTIONS_ZEROCOPY: ::__u32 = 1 << 0;
1021 
1022 pub const XDP_PGOFF_RX_RING: ::off_t = 0;
1023 pub const XDP_PGOFF_TX_RING: ::off_t = 0x80000000;
1024 pub const XDP_UMEM_PGOFF_FILL_RING: ::c_ulonglong = 0x100000000;
1025 pub const XDP_UMEM_PGOFF_COMPLETION_RING: ::c_ulonglong = 0x180000000;
1026 
1027 pub const XSK_UNALIGNED_BUF_OFFSET_SHIFT: ::c_int = 48;
1028 pub const XSK_UNALIGNED_BUF_ADDR_MASK: ::c_ulonglong = (1 << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1;
1029 
1030 pub const XDP_PKT_CONTD: ::__u32 = 1 << 0;
1031 
1032 // elf.h
1033 pub const NT_PRSTATUS: ::c_int = 1;
1034 pub const NT_PRFPREG: ::c_int = 2;
1035 pub const NT_FPREGSET: ::c_int = 2;
1036 pub const NT_PRPSINFO: ::c_int = 3;
1037 pub const NT_PRXREG: ::c_int = 4;
1038 pub const NT_TASKSTRUCT: ::c_int = 4;
1039 pub const NT_PLATFORM: ::c_int = 5;
1040 pub const NT_AUXV: ::c_int = 6;
1041 pub const NT_GWINDOWS: ::c_int = 7;
1042 pub const NT_ASRS: ::c_int = 8;
1043 pub const NT_PSTATUS: ::c_int = 10;
1044 pub const NT_PSINFO: ::c_int = 13;
1045 pub const NT_PRCRED: ::c_int = 14;
1046 pub const NT_UTSNAME: ::c_int = 15;
1047 pub const NT_LWPSTATUS: ::c_int = 16;
1048 pub const NT_LWPSINFO: ::c_int = 17;
1049 pub const NT_PRFPXREG: ::c_int = 20;
1050 
1051 pub const ELFOSABI_ARM_AEABI: u8 = 64;
1052 
1053 // linux/sched.h
1054 pub const CLONE_NEWTIME: ::c_int = 0x80;
1055 pub const CLONE_CLEAR_SIGHAND: ::c_int = 0x100000000;
1056 pub const CLONE_INTO_CGROUP: ::c_int = 0x200000000;
1057 
1058 // linux/keyctl.h
1059 pub const KEYCTL_DH_COMPUTE: u32 = 23;
1060 pub const KEYCTL_PKEY_QUERY: u32 = 24;
1061 pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
1062 pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
1063 pub const KEYCTL_PKEY_SIGN: u32 = 27;
1064 pub const KEYCTL_PKEY_VERIFY: u32 = 28;
1065 pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;
1066 
1067 pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
1068 pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
1069 pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
1070 pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
1071 cfg_if! {
1072     if #[cfg(not(any(target_arch = "mips",
1073                      target_arch = "mips32r6",
1074                      target_arch = "mips64",
1075                      target_arch = "mips64r6")))] {
1076         pub const KEYCTL_MOVE: u32 = 30;
1077         pub const KEYCTL_CAPABILITIES: u32 = 31;
1078 
1079         pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
1080         pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
1081         pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
1082         pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
1083         pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
1084         pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
1085         pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
1086         pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
1087         pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
1088         pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
1089     }
1090 }
1091 
1092 pub const M_MXFAST: ::c_int = 1;
1093 pub const M_NLBLKS: ::c_int = 2;
1094 pub const M_GRAIN: ::c_int = 3;
1095 pub const M_KEEP: ::c_int = 4;
1096 pub const M_TRIM_THRESHOLD: ::c_int = -1;
1097 pub const M_TOP_PAD: ::c_int = -2;
1098 pub const M_MMAP_THRESHOLD: ::c_int = -3;
1099 pub const M_MMAP_MAX: ::c_int = -4;
1100 pub const M_CHECK_ACTION: ::c_int = -5;
1101 pub const M_PERTURB: ::c_int = -6;
1102 pub const M_ARENA_TEST: ::c_int = -7;
1103 pub const M_ARENA_MAX: ::c_int = -8;
1104 
1105 pub const AT_STATX_SYNC_TYPE: ::c_int = 0x6000;
1106 pub const AT_STATX_SYNC_AS_STAT: ::c_int = 0x0000;
1107 pub const AT_STATX_FORCE_SYNC: ::c_int = 0x2000;
1108 pub const AT_STATX_DONT_SYNC: ::c_int = 0x4000;
1109 pub const STATX_TYPE: ::c_uint = 0x0001;
1110 pub const STATX_MODE: ::c_uint = 0x0002;
1111 pub const STATX_NLINK: ::c_uint = 0x0004;
1112 pub const STATX_UID: ::c_uint = 0x0008;
1113 pub const STATX_GID: ::c_uint = 0x0010;
1114 pub const STATX_ATIME: ::c_uint = 0x0020;
1115 pub const STATX_MTIME: ::c_uint = 0x0040;
1116 pub const STATX_CTIME: ::c_uint = 0x0080;
1117 pub const STATX_INO: ::c_uint = 0x0100;
1118 pub const STATX_SIZE: ::c_uint = 0x0200;
1119 pub const STATX_BLOCKS: ::c_uint = 0x0400;
1120 pub const STATX_BASIC_STATS: ::c_uint = 0x07ff;
1121 pub const STATX_BTIME: ::c_uint = 0x0800;
1122 pub const STATX_MNT_ID: ::c_uint = 0x1000;
1123 pub const STATX_DIOALIGN: ::c_uint = 0x2000;
1124 pub const STATX_ALL: ::c_uint = 0x0fff;
1125 pub const STATX__RESERVED: ::c_int = 0x80000000;
1126 pub const STATX_ATTR_COMPRESSED: ::c_int = 0x0004;
1127 pub const STATX_ATTR_IMMUTABLE: ::c_int = 0x0010;
1128 pub const STATX_ATTR_APPEND: ::c_int = 0x0020;
1129 pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
1130 pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
1131 pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
1132 pub const STATX_ATTR_MOUNT_ROOT: ::c_int = 0x2000;
1133 pub const STATX_ATTR_VERITY: ::c_int = 0x00100000;
1134 pub const STATX_ATTR_DAX: ::c_int = 0x00200000;
1135 
1136 pub const SOMAXCONN: ::c_int = 4096;
1137 
1138 // linux/mount.h
1139 pub const MOVE_MOUNT_F_SYMLINKS: ::c_uint = 0x00000001;
1140 pub const MOVE_MOUNT_F_AUTOMOUNTS: ::c_uint = 0x00000002;
1141 pub const MOVE_MOUNT_F_EMPTY_PATH: ::c_uint = 0x00000004;
1142 pub const MOVE_MOUNT_T_SYMLINKS: ::c_uint = 0x00000010;
1143 pub const MOVE_MOUNT_T_AUTOMOUNTS: ::c_uint = 0x00000020;
1144 pub const MOVE_MOUNT_T_EMPTY_PATH: ::c_uint = 0x00000040;
1145 pub const MOVE_MOUNT_SET_GROUP: ::c_uint = 0x00000100;
1146 pub const MOVE_MOUNT_BENEATH: ::c_uint = 0x00000200;
1147 
1148 // sys/timex.h
1149 pub const ADJ_OFFSET: ::c_uint = 0x0001;
1150 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
1151 pub const ADJ_MAXERROR: ::c_uint = 0x0004;
1152 pub const ADJ_ESTERROR: ::c_uint = 0x0008;
1153 pub const ADJ_STATUS: ::c_uint = 0x0010;
1154 pub const ADJ_TIMECONST: ::c_uint = 0x0020;
1155 pub const ADJ_TAI: ::c_uint = 0x0080;
1156 pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
1157 pub const ADJ_MICRO: ::c_uint = 0x1000;
1158 pub const ADJ_NANO: ::c_uint = 0x2000;
1159 pub const ADJ_TICK: ::c_uint = 0x4000;
1160 pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
1161 pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
1162 pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
1163 pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
1164 pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
1165 pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
1166 pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
1167 pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
1168 pub const MOD_CLKB: ::c_uint = ADJ_TICK;
1169 pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
1170 pub const MOD_TAI: ::c_uint = ADJ_TAI;
1171 pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
1172 pub const MOD_NANO: ::c_uint = ADJ_NANO;
1173 pub const STA_PLL: ::c_int = 0x0001;
1174 pub const STA_PPSFREQ: ::c_int = 0x0002;
1175 pub const STA_PPSTIME: ::c_int = 0x0004;
1176 pub const STA_FLL: ::c_int = 0x0008;
1177 pub const STA_INS: ::c_int = 0x0010;
1178 pub const STA_DEL: ::c_int = 0x0020;
1179 pub const STA_UNSYNC: ::c_int = 0x0040;
1180 pub const STA_FREQHOLD: ::c_int = 0x0080;
1181 pub const STA_PPSSIGNAL: ::c_int = 0x0100;
1182 pub const STA_PPSJITTER: ::c_int = 0x0200;
1183 pub const STA_PPSWANDER: ::c_int = 0x0400;
1184 pub const STA_PPSERROR: ::c_int = 0x0800;
1185 pub const STA_CLOCKERR: ::c_int = 0x1000;
1186 pub const STA_NANO: ::c_int = 0x2000;
1187 pub const STA_MODE: ::c_int = 0x4000;
1188 pub const STA_CLK: ::c_int = 0x8000;
1189 pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
1190     | STA_PPSJITTER
1191     | STA_PPSWANDER
1192     | STA_PPSERROR
1193     | STA_CLOCKERR
1194     | STA_NANO
1195     | STA_MODE
1196     | STA_CLK;
1197 pub const NTP_API: ::c_int = 4;
1198 pub const TIME_OK: ::c_int = 0;
1199 pub const TIME_INS: ::c_int = 1;
1200 pub const TIME_DEL: ::c_int = 2;
1201 pub const TIME_OOP: ::c_int = 3;
1202 pub const TIME_WAIT: ::c_int = 4;
1203 pub const TIME_ERROR: ::c_int = 5;
1204 pub const TIME_BAD: ::c_int = TIME_ERROR;
1205 pub const MAXTC: ::c_long = 6;
1206 
1207 // Portable GLOB_* flags are defined at the `linux_like` level.
1208 // The following are GNU extensions.
1209 pub const GLOB_PERIOD: ::c_int = 1 << 7;
1210 pub const GLOB_ALTDIRFUNC: ::c_int = 1 << 9;
1211 pub const GLOB_BRACE: ::c_int = 1 << 10;
1212 pub const GLOB_NOMAGIC: ::c_int = 1 << 11;
1213 pub const GLOB_TILDE: ::c_int = 1 << 12;
1214 pub const GLOB_ONLYDIR: ::c_int = 1 << 13;
1215 pub const GLOB_TILDE_CHECK: ::c_int = 1 << 14;
1216 
1217 pub const MADV_COLLAPSE: ::c_int = 25;
1218 
1219 cfg_if! {
1220     if #[cfg(any(
1221         target_arch = "arm",
1222         target_arch = "x86",
1223         target_arch = "x86_64",
1224         target_arch = "s390x",
1225         target_arch = "riscv64",
1226         target_arch = "riscv32"
1227     ))] {
1228         pub const PTHREAD_STACK_MIN: ::size_t = 16384;
1229     } else if #[cfg(any(
1230                target_arch = "sparc",
1231                target_arch = "sparc64"
1232            ))] {
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 extern "C" {
1247     pub fn fgetspent_r(
1248         fp: *mut ::FILE,
1249         spbuf: *mut ::spwd,
1250         buf: *mut ::c_char,
1251         buflen: ::size_t,
1252         spbufp: *mut *mut ::spwd,
1253     ) -> ::c_int;
1254     pub fn sgetspent_r(
1255         s: *const ::c_char,
1256         spbuf: *mut ::spwd,
1257         buf: *mut ::c_char,
1258         buflen: ::size_t,
1259         spbufp: *mut *mut ::spwd,
1260     ) -> ::c_int;
1261     pub fn getspent_r(
1262         spbuf: *mut ::spwd,
1263         buf: *mut ::c_char,
1264         buflen: ::size_t,
1265         spbufp: *mut *mut ::spwd,
1266     ) -> ::c_int;
1267     pub fn qsort_r(
1268         base: *mut ::c_void,
1269         num: ::size_t,
1270         size: ::size_t,
1271         compar: ::Option<
1272             unsafe extern "C" fn(*const ::c_void, *const ::c_void, *mut ::c_void) -> ::c_int,
1273         >,
1274         arg: *mut ::c_void,
1275     );
1276     pub fn sendmmsg(
1277         sockfd: ::c_int,
1278         msgvec: *mut ::mmsghdr,
1279         vlen: ::c_uint,
1280         flags: ::c_int,
1281     ) -> ::c_int;
1282     pub fn recvmmsg(
1283         sockfd: ::c_int,
1284         msgvec: *mut ::mmsghdr,
1285         vlen: ::c_uint,
1286         flags: ::c_int,
1287         timeout: *mut ::timespec,
1288     ) -> ::c_int;
1289 
1290     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
1291     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
1292     pub fn getrlimit(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit) -> ::c_int;
1293     pub fn setrlimit(resource: ::__rlimit_resource_t, rlim: *const ::rlimit) -> ::c_int;
1294     pub fn prlimit(
1295         pid: ::pid_t,
1296         resource: ::__rlimit_resource_t,
1297         new_limit: *const ::rlimit,
1298         old_limit: *mut ::rlimit,
1299     ) -> ::c_int;
1300     pub fn prlimit64(
1301         pid: ::pid_t,
1302         resource: ::__rlimit_resource_t,
1303         new_limit: *const ::rlimit64,
1304         old_limit: *mut ::rlimit64,
1305     ) -> ::c_int;
1306     pub fn utmpname(file: *const ::c_char) -> ::c_int;
1307     pub fn utmpxname(file: *const ::c_char) -> ::c_int;
1308     pub fn getutxent() -> *mut utmpx;
1309     pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
1310     pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
1311     pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
1312     pub fn setutxent();
1313     pub fn endutxent();
1314     pub fn getpt() -> ::c_int;
1315     pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
1316     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
1317     pub fn statx(
1318         dirfd: ::c_int,
1319         pathname: *const c_char,
1320         flags: ::c_int,
1321         mask: ::c_uint,
1322         statxbuf: *mut statx,
1323     ) -> ::c_int;
1324     pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
1325     pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
1326     pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;
1327 
1328     pub fn adjtimex(buf: *mut timex) -> ::c_int;
1329     pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
1330     #[link_name = "ntp_gettimex"]
1331     pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
1332     pub fn clock_adjtime(clk_id: ::clockid_t, buf: *mut ::timex) -> ::c_int;
1333 
1334     pub fn fanotify_mark(
1335         fd: ::c_int,
1336         flags: ::c_uint,
1337         mask: u64,
1338         dirfd: ::c_int,
1339         path: *const ::c_char,
1340     ) -> ::c_int;
1341     pub fn preadv2(
1342         fd: ::c_int,
1343         iov: *const ::iovec,
1344         iovcnt: ::c_int,
1345         offset: ::off_t,
1346         flags: ::c_int,
1347     ) -> ::ssize_t;
1348     pub fn pwritev2(
1349         fd: ::c_int,
1350         iov: *const ::iovec,
1351         iovcnt: ::c_int,
1352         offset: ::off_t,
1353         flags: ::c_int,
1354     ) -> ::ssize_t;
1355     pub fn preadv64v2(
1356         fd: ::c_int,
1357         iov: *const ::iovec,
1358         iovcnt: ::c_int,
1359         offset: ::off64_t,
1360         flags: ::c_int,
1361     ) -> ::ssize_t;
1362     pub fn pwritev64v2(
1363         fd: ::c_int,
1364         iov: *const ::iovec,
1365         iovcnt: ::c_int,
1366         offset: ::off64_t,
1367         flags: ::c_int,
1368     ) -> ::ssize_t;
1369     pub fn renameat2(
1370         olddirfd: ::c_int,
1371         oldpath: *const ::c_char,
1372         newdirfd: ::c_int,
1373         newpath: *const ::c_char,
1374         flags: ::c_uint,
1375     ) -> ::c_int;
1376 
1377     // Added in `glibc` 2.25
1378     pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
1379     // Added in `glibc` 2.29
1380     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
1381 
1382     pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;
1383     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
1384     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
1385     pub fn glob64(
1386         pattern: *const ::c_char,
1387         flags: ::c_int,
1388         errfunc: ::Option<extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int>,
1389         pglob: *mut glob64_t,
1390     ) -> ::c_int;
1391     pub fn globfree64(pglob: *mut glob64_t);
1392     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
1393     pub fn pthread_attr_getaffinity_np(
1394         attr: *const ::pthread_attr_t,
1395         cpusetsize: ::size_t,
1396         cpuset: *mut ::cpu_set_t,
1397     ) -> ::c_int;
1398     pub fn pthread_attr_setaffinity_np(
1399         attr: *mut ::pthread_attr_t,
1400         cpusetsize: ::size_t,
1401         cpuset: *const ::cpu_set_t,
1402     ) -> ::c_int;
1403     pub fn getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int;
1404     pub fn setpriority(which: ::__priority_which_t, who: ::id_t, prio: ::c_int) -> ::c_int;
1405     pub fn pthread_rwlockattr_getkind_np(
1406         attr: *const ::pthread_rwlockattr_t,
1407         val: *mut ::c_int,
1408     ) -> ::c_int;
1409     pub fn pthread_rwlockattr_setkind_np(
1410         attr: *mut ::pthread_rwlockattr_t,
1411         val: ::c_int,
1412     ) -> ::c_int;
1413     pub fn pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int;
1414     pub fn mallinfo() -> ::mallinfo;
1415     pub fn mallinfo2() -> ::mallinfo2;
1416     pub fn malloc_info(options: ::c_int, stream: *mut ::FILE) -> ::c_int;
1417     pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
1418     pub fn getpwent_r(
1419         pwd: *mut ::passwd,
1420         buf: *mut ::c_char,
1421         buflen: ::size_t,
1422         result: *mut *mut ::passwd,
1423     ) -> ::c_int;
1424     pub fn getgrent_r(
1425         grp: *mut ::group,
1426         buf: *mut ::c_char,
1427         buflen: ::size_t,
1428         result: *mut *mut ::group,
1429     ) -> ::c_int;
1430     pub fn fgetpwent_r(
1431         stream: *mut ::FILE,
1432         pwd: *mut ::passwd,
1433         buf: *mut ::c_char,
1434         buflen: ::size_t,
1435         result: *mut *mut ::passwd,
1436     ) -> ::c_int;
1437     pub fn fgetgrent_r(
1438         stream: *mut ::FILE,
1439         grp: *mut ::group,
1440         buf: *mut ::c_char,
1441         buflen: ::size_t,
1442         result: *mut *mut ::group,
1443     ) -> ::c_int;
1444 
1445     pub fn putpwent(p: *const ::passwd, stream: *mut ::FILE) -> ::c_int;
1446     pub fn putgrent(grp: *const ::group, stream: *mut ::FILE) -> ::c_int;
1447 
1448     pub fn sethostid(hostid: ::c_long) -> ::c_int;
1449 
1450     pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
1451     pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
1452 
1453     pub fn euidaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1454     pub fn eaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1455 
1456     pub fn asctime_r(tm: *const ::tm, buf: *mut ::c_char) -> *mut ::c_char;
1457     pub fn ctime_r(timep: *const time_t, buf: *mut ::c_char) -> *mut ::c_char;
1458 
1459     pub fn strftime(
1460         s: *mut ::c_char,
1461         max: ::size_t,
1462         format: *const ::c_char,
1463         tm: *const ::tm,
1464     ) -> ::size_t;
1465     pub fn strptime(s: *const ::c_char, format: *const ::c_char, tm: *mut ::tm) -> *mut ::c_char;
1466 
1467     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
1468     /// POSIX version of `basename(3)`, defined in `libgen.h`.
1469     #[link_name = "__xpg_basename"]
1470     pub fn posix_basename(path: *mut ::c_char) -> *mut ::c_char;
1471     /// GNU version of `basename(3)`, defined in `string.h`.
1472     #[link_name = "basename"]
1473     pub fn gnu_basename(path: *const ::c_char) -> *mut ::c_char;
1474     pub fn dlmopen(lmid: Lmid_t, filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
1475     pub fn dlinfo(handle: *mut ::c_void, request: ::c_int, info: *mut ::c_void) -> ::c_int;
1476     pub fn dladdr1(
1477         addr: *const ::c_void,
1478         info: *mut ::Dl_info,
1479         extra_info: *mut *mut ::c_void,
1480         flags: ::c_int,
1481     ) -> ::c_int;
1482     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
1483     pub fn gnu_get_libc_release() -> *const ::c_char;
1484     pub fn gnu_get_libc_version() -> *const ::c_char;
1485 
1486     // posix/spawn.h
1487     // Added in `glibc` 2.29
1488     pub fn posix_spawn_file_actions_addchdir_np(
1489         actions: *mut ::posix_spawn_file_actions_t,
1490         path: *const ::c_char,
1491     ) -> ::c_int;
1492     // Added in `glibc` 2.29
1493     pub fn posix_spawn_file_actions_addfchdir_np(
1494         actions: *mut ::posix_spawn_file_actions_t,
1495         fd: ::c_int,
1496     ) -> ::c_int;
1497     // Added in `glibc` 2.34
1498     pub fn posix_spawn_file_actions_addclosefrom_np(
1499         actions: *mut ::posix_spawn_file_actions_t,
1500         from: ::c_int,
1501     ) -> ::c_int;
1502     // Added in `glibc` 2.35
1503     pub fn posix_spawn_file_actions_addtcsetpgrp_np(
1504         actions: *mut ::posix_spawn_file_actions_t,
1505         tcfd: ::c_int,
1506     ) -> ::c_int;
1507 
1508     // mntent.h
1509     pub fn getmntent_r(
1510         stream: *mut ::FILE,
1511         mntbuf: *mut ::mntent,
1512         buf: *mut ::c_char,
1513         buflen: ::c_int,
1514     ) -> *mut ::mntent;
1515 
1516     pub fn execveat(
1517         dirfd: ::c_int,
1518         pathname: *const ::c_char,
1519         argv: *const *mut c_char,
1520         envp: *const *mut c_char,
1521         flags: ::c_int,
1522     ) -> ::c_int;
1523 
1524     // Added in `glibc` 2.34
1525     pub fn close_range(first: ::c_uint, last: ::c_uint, flags: ::c_int) -> ::c_int;
1526 }
1527 
1528 cfg_if! {
1529     if #[cfg(any(target_arch = "x86",
1530                  target_arch = "arm",
1531                  target_arch = "m68k",
1532                  target_arch = "csky",
1533                  target_arch = "mips",
1534                  target_arch = "mips32r6",
1535                  target_arch = "powerpc",
1536                  target_arch = "sparc",
1537                  target_arch = "riscv32"))] {
1538         mod b32;
1539         pub use self::b32::*;
1540     } else if #[cfg(any(target_arch = "x86_64",
1541                         target_arch = "aarch64",
1542                         target_arch = "powerpc64",
1543                         target_arch = "mips64",
1544                         target_arch = "mips64r6",
1545                         target_arch = "s390x",
1546                         target_arch = "sparc64",
1547                         target_arch = "riscv64",
1548                         target_arch = "loongarch64"))] {
1549         mod b64;
1550         pub use self::b64::*;
1551     } else {
1552         // Unknown target_arch
1553     }
1554 }
1555 
1556 cfg_if! {
1557     if #[cfg(libc_align)] {
1558         mod align;
1559         pub use self::align::*;
1560     } else {
1561         mod no_align;
1562         pub use self::no_align::*;
1563     }
1564 }
1565