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 
360 impl siginfo_t {
361     pub unsafe fn si_addr(&self) -> *mut ::c_void {
362         #[repr(C)]
363         struct siginfo_sigfault {
364             _si_signo: ::c_int,
365             _si_errno: ::c_int,
366             _si_code: ::c_int,
367             si_addr: *mut ::c_void,
368         }
369         (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
370     }
371 
372     pub unsafe fn si_value(&self) -> ::sigval {
373         #[repr(C)]
374         struct siginfo_timer {
375             _si_signo: ::c_int,
376             _si_errno: ::c_int,
377             _si_code: ::c_int,
378             _si_tid: ::c_int,
379             _si_overrun: ::c_int,
380             si_sigval: ::sigval,
381         }
382         (*(self as *const siginfo_t as *const siginfo_timer)).si_sigval
383     }
384 }
385 
386 cfg_if! {
387     if #[cfg(libc_union)] {
388         // Internal, for casts to access union fields
389         #[repr(C)]
390         struct sifields_sigchld {
391             si_pid: ::pid_t,
392             si_uid: ::uid_t,
393             si_status: ::c_int,
394             si_utime: ::c_long,
395             si_stime: ::c_long,
396         }
397         impl ::Copy for sifields_sigchld {}
398         impl ::Clone for sifields_sigchld {
399             fn clone(&self) -> sifields_sigchld {
400                 *self
401             }
402         }
403 
404         // Internal, for casts to access union fields
405         #[repr(C)]
406         union sifields {
407             _align_pointer: *mut ::c_void,
408             sigchld: sifields_sigchld,
409         }
410 
411         // Internal, for casts to access union fields. Note that some variants
412         // of sifields start with a pointer, which makes the alignment of
413         // sifields vary on 32-bit and 64-bit architectures.
414         #[repr(C)]
415         struct siginfo_f {
416             _siginfo_base: [::c_int; 3],
417             sifields: sifields,
418         }
419 
420         impl siginfo_t {
421             unsafe fn sifields(&self) -> &sifields {
422                 &(*(self as *const siginfo_t as *const siginfo_f)).sifields
423             }
424 
425             pub unsafe fn si_pid(&self) -> ::pid_t {
426                 self.sifields().sigchld.si_pid
427             }
428 
429             pub unsafe fn si_uid(&self) -> ::uid_t {
430                 self.sifields().sigchld.si_uid
431             }
432 
433             pub unsafe fn si_status(&self) -> ::c_int {
434                 self.sifields().sigchld.si_status
435             }
436 
437             pub unsafe fn si_utime(&self) -> ::c_long {
438                 self.sifields().sigchld.si_utime
439             }
440 
441             pub unsafe fn si_stime(&self) -> ::c_long {
442                 self.sifields().sigchld.si_stime
443             }
444         }
445 
446         pub union __c_anonymous_ptrace_syscall_info_data {
447             pub entry: __c_anonymous_ptrace_syscall_info_entry,
448             pub exit: __c_anonymous_ptrace_syscall_info_exit,
449             pub seccomp: __c_anonymous_ptrace_syscall_info_seccomp,
450         }
451         impl ::Copy for __c_anonymous_ptrace_syscall_info_data {}
452         impl ::Clone for __c_anonymous_ptrace_syscall_info_data {
453             fn clone(&self) -> __c_anonymous_ptrace_syscall_info_data {
454                 *self
455             }
456         }
457     }
458 }
459 
460 s_no_extra_traits! {
461     pub struct utmpx {
462         pub ut_type: ::c_short,
463         pub ut_pid: ::pid_t,
464         pub ut_line: [::c_char; __UT_LINESIZE],
465         pub ut_id: [::c_char; 4],
466 
467         pub ut_user: [::c_char; __UT_NAMESIZE],
468         pub ut_host: [::c_char; __UT_HOSTSIZE],
469         pub ut_exit: __exit_status,
470 
471         #[cfg(any(target_arch = "aarch64",
472                   target_arch = "s390x",
473                   target_arch = "loongarch64",
474                   all(target_pointer_width = "32",
475                       not(target_arch = "x86_64"))))]
476         pub ut_session: ::c_long,
477         #[cfg(any(target_arch = "aarch64",
478                   target_arch = "s390x",
479                   target_arch = "loongarch64",
480                   all(target_pointer_width = "32",
481                       not(target_arch = "x86_64"))))]
482         pub ut_tv: ::timeval,
483 
484         #[cfg(not(any(target_arch = "aarch64",
485                       target_arch = "s390x",
486                       target_arch = "loongarch64",
487                       all(target_pointer_width = "32",
488                           not(target_arch = "x86_64")))))]
489         pub ut_session: i32,
490         #[cfg(not(any(target_arch = "aarch64",
491                       target_arch = "s390x",
492                       target_arch = "loongarch64",
493                       all(target_pointer_width = "32",
494                           not(target_arch = "x86_64")))))]
495         pub ut_tv: __timeval,
496 
497         pub ut_addr_v6: [i32; 4],
498         __glibc_reserved: [::c_char; 20],
499     }
500 }
501 
502 cfg_if! {
503     if #[cfg(feature = "extra_traits")] {
504         impl PartialEq for utmpx {
505             fn eq(&self, other: &utmpx) -> bool {
506                 self.ut_type == other.ut_type
507                     && self.ut_pid == other.ut_pid
508                     && self.ut_line == other.ut_line
509                     && self.ut_id == other.ut_id
510                     && self.ut_user == other.ut_user
511                     && self
512                     .ut_host
513                     .iter()
514                     .zip(other.ut_host.iter())
515                     .all(|(a,b)| a == b)
516                     && self.ut_exit == other.ut_exit
517                     && self.ut_session == other.ut_session
518                     && self.ut_tv == other.ut_tv
519                     && self.ut_addr_v6 == other.ut_addr_v6
520                     && self.__glibc_reserved == other.__glibc_reserved
521             }
522         }
523 
524         impl Eq for utmpx {}
525 
526         impl ::fmt::Debug for utmpx {
527             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
528                 f.debug_struct("utmpx")
529                     .field("ut_type", &self.ut_type)
530                     .field("ut_pid", &self.ut_pid)
531                     .field("ut_line", &self.ut_line)
532                     .field("ut_id", &self.ut_id)
533                     .field("ut_user", &self.ut_user)
534                 // FIXME: .field("ut_host", &self.ut_host)
535                     .field("ut_exit", &self.ut_exit)
536                     .field("ut_session", &self.ut_session)
537                     .field("ut_tv", &self.ut_tv)
538                     .field("ut_addr_v6", &self.ut_addr_v6)
539                     .field("__glibc_reserved", &self.__glibc_reserved)
540                     .finish()
541             }
542         }
543 
544         impl ::hash::Hash for utmpx {
545             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
546                 self.ut_type.hash(state);
547                 self.ut_pid.hash(state);
548                 self.ut_line.hash(state);
549                 self.ut_id.hash(state);
550                 self.ut_user.hash(state);
551                 self.ut_host.hash(state);
552                 self.ut_exit.hash(state);
553                 self.ut_session.hash(state);
554                 self.ut_tv.hash(state);
555                 self.ut_addr_v6.hash(state);
556                 self.__glibc_reserved.hash(state);
557             }
558         }
559 
560         #[cfg(libc_union)]
561         impl PartialEq for __c_anonymous_ptrace_syscall_info_data {
562             fn eq(&self, other: &__c_anonymous_ptrace_syscall_info_data) -> bool {
563                 unsafe {
564                 self.entry == other.entry ||
565                     self.exit == other.exit ||
566                     self.seccomp == other.seccomp
567                 }
568             }
569         }
570 
571         #[cfg(libc_union)]
572         impl Eq for __c_anonymous_ptrace_syscall_info_data {}
573 
574         #[cfg(libc_union)]
575         impl ::fmt::Debug for __c_anonymous_ptrace_syscall_info_data {
576             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
577                 unsafe {
578                 f.debug_struct("__c_anonymous_ptrace_syscall_info_data")
579                     .field("entry", &self.entry)
580                     .field("exit", &self.exit)
581                     .field("seccomp", &self.seccomp)
582                     .finish()
583                 }
584             }
585         }
586 
587         #[cfg(libc_union)]
588         impl ::hash::Hash for __c_anonymous_ptrace_syscall_info_data {
589             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
590                 unsafe {
591                 self.entry.hash(state);
592                 self.exit.hash(state);
593                 self.seccomp.hash(state);
594                 }
595             }
596         }
597     }
598 }
599 
600 // include/uapi/asm-generic/hugetlb_encode.h
601 pub const HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = 26;
602 pub const HUGETLB_FLAG_ENCODE_MASK: ::c_int = 0x3f;
603 
604 pub const HUGETLB_FLAG_ENCODE_64KB: ::c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
605 pub const HUGETLB_FLAG_ENCODE_512KB: ::c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
606 pub const HUGETLB_FLAG_ENCODE_1MB: ::c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
607 pub const HUGETLB_FLAG_ENCODE_2MB: ::c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
608 pub const HUGETLB_FLAG_ENCODE_8MB: ::c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
609 pub const HUGETLB_FLAG_ENCODE_16MB: ::c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
610 pub const HUGETLB_FLAG_ENCODE_32MB: ::c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
611 pub const HUGETLB_FLAG_ENCODE_256MB: ::c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
612 pub const HUGETLB_FLAG_ENCODE_512MB: ::c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
613 pub const HUGETLB_FLAG_ENCODE_1GB: ::c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
614 pub const HUGETLB_FLAG_ENCODE_2GB: ::c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
615 pub const HUGETLB_FLAG_ENCODE_16GB: ::c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;
616 
617 // include/uapi/linux/mman.h
618 /*
619  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
620  * size other than the default is desired.  See hugetlb_encode.h.
621  * All known huge page size encodings are provided here.  It is the
622  * responsibility of the application to know which sizes are supported on
623  * the running system.  See mmap(2) man page for details.
624  */
625 pub const MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT;
626 pub const MAP_HUGE_MASK: ::c_int = HUGETLB_FLAG_ENCODE_MASK;
627 
628 pub const MAP_HUGE_64KB: ::c_int = HUGETLB_FLAG_ENCODE_64KB;
629 pub const MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB;
630 pub const MAP_HUGE_1MB: ::c_int = HUGETLB_FLAG_ENCODE_1MB;
631 pub const MAP_HUGE_2MB: ::c_int = HUGETLB_FLAG_ENCODE_2MB;
632 pub const MAP_HUGE_8MB: ::c_int = HUGETLB_FLAG_ENCODE_8MB;
633 pub const MAP_HUGE_16MB: ::c_int = HUGETLB_FLAG_ENCODE_16MB;
634 pub const MAP_HUGE_32MB: ::c_int = HUGETLB_FLAG_ENCODE_32MB;
635 pub const MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB;
636 pub const MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB;
637 pub const MAP_HUGE_1GB: ::c_int = HUGETLB_FLAG_ENCODE_1GB;
638 pub const MAP_HUGE_2GB: ::c_int = HUGETLB_FLAG_ENCODE_2GB;
639 pub const MAP_HUGE_16GB: ::c_int = HUGETLB_FLAG_ENCODE_16GB;
640 
641 pub const PRIO_PROCESS: ::__priority_which_t = 0;
642 pub const PRIO_PGRP: ::__priority_which_t = 1;
643 pub const PRIO_USER: ::__priority_which_t = 2;
644 
645 pub const MS_RMT_MASK: ::c_ulong = 0x02800051;
646 
647 pub const __UT_LINESIZE: usize = 32;
648 pub const __UT_NAMESIZE: usize = 32;
649 pub const __UT_HOSTSIZE: usize = 256;
650 pub const EMPTY: ::c_short = 0;
651 pub const RUN_LVL: ::c_short = 1;
652 pub const BOOT_TIME: ::c_short = 2;
653 pub const NEW_TIME: ::c_short = 3;
654 pub const OLD_TIME: ::c_short = 4;
655 pub const INIT_PROCESS: ::c_short = 5;
656 pub const LOGIN_PROCESS: ::c_short = 6;
657 pub const USER_PROCESS: ::c_short = 7;
658 pub const DEAD_PROCESS: ::c_short = 8;
659 pub const ACCOUNTING: ::c_short = 9;
660 
661 // dlfcn.h
662 pub const LM_ID_BASE: ::c_long = 0;
663 pub const LM_ID_NEWLM: ::c_long = -1;
664 
665 pub const RTLD_DI_LMID: ::c_int = 1;
666 pub const RTLD_DI_LINKMAP: ::c_int = 2;
667 pub const RTLD_DI_CONFIGADDR: ::c_int = 3;
668 pub const RTLD_DI_SERINFO: ::c_int = 4;
669 pub const RTLD_DI_SERINFOSIZE: ::c_int = 5;
670 pub const RTLD_DI_ORIGIN: ::c_int = 6;
671 pub const RTLD_DI_PROFILENAME: ::c_int = 7;
672 pub const RTLD_DI_PROFILEOUT: ::c_int = 8;
673 pub const RTLD_DI_TLS_MODID: ::c_int = 9;
674 pub const RTLD_DI_TLS_DATA: ::c_int = 10;
675 
676 pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
677 pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;
678 
679 pub const SOL_RXRPC: ::c_int = 272;
680 pub const SOL_PPPOL2TP: ::c_int = 273;
681 pub const SOL_PNPIPE: ::c_int = 275;
682 pub const SOL_RDS: ::c_int = 276;
683 pub const SOL_IUCV: ::c_int = 277;
684 pub const SOL_CAIF: ::c_int = 278;
685 pub const SOL_NFC: ::c_int = 280;
686 pub const SOL_XDP: ::c_int = 283;
687 
688 pub const MSG_TRYHARD: ::c_int = 4;
689 
690 pub const LC_PAPER: ::c_int = 7;
691 pub const LC_NAME: ::c_int = 8;
692 pub const LC_ADDRESS: ::c_int = 9;
693 pub const LC_TELEPHONE: ::c_int = 10;
694 pub const LC_MEASUREMENT: ::c_int = 11;
695 pub const LC_IDENTIFICATION: ::c_int = 12;
696 pub const LC_PAPER_MASK: ::c_int = 1 << LC_PAPER;
697 pub const LC_NAME_MASK: ::c_int = 1 << LC_NAME;
698 pub const LC_ADDRESS_MASK: ::c_int = 1 << LC_ADDRESS;
699 pub const LC_TELEPHONE_MASK: ::c_int = 1 << LC_TELEPHONE;
700 pub const LC_MEASUREMENT_MASK: ::c_int = 1 << LC_MEASUREMENT;
701 pub const LC_IDENTIFICATION_MASK: ::c_int = 1 << LC_IDENTIFICATION;
702 pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
703     | ::LC_NUMERIC_MASK
704     | ::LC_TIME_MASK
705     | ::LC_COLLATE_MASK
706     | ::LC_MONETARY_MASK
707     | ::LC_MESSAGES_MASK
708     | LC_PAPER_MASK
709     | LC_NAME_MASK
710     | LC_ADDRESS_MASK
711     | LC_TELEPHONE_MASK
712     | LC_MEASUREMENT_MASK
713     | LC_IDENTIFICATION_MASK;
714 
715 pub const ENOTSUP: ::c_int = EOPNOTSUPP;
716 
717 pub const SOCK_SEQPACKET: ::c_int = 5;
718 pub const SOCK_DCCP: ::c_int = 6;
719 pub const SOCK_PACKET: ::c_int = 10;
720 
721 pub const FAN_MARK_INODE: ::c_uint = 0x0000_0000;
722 pub const FAN_MARK_MOUNT: ::c_uint = 0x0000_0010;
723 // NOTE: FAN_MARK_FILESYSTEM requires Linux Kernel >= 4.20.0
724 pub const FAN_MARK_FILESYSTEM: ::c_uint = 0x0000_0100;
725 
726 pub const AF_IB: ::c_int = 27;
727 pub const AF_MPLS: ::c_int = 28;
728 pub const AF_NFC: ::c_int = 39;
729 pub const AF_VSOCK: ::c_int = 40;
730 pub const AF_XDP: ::c_int = 44;
731 pub const PF_IB: ::c_int = AF_IB;
732 pub const PF_MPLS: ::c_int = AF_MPLS;
733 pub const PF_NFC: ::c_int = AF_NFC;
734 pub const PF_VSOCK: ::c_int = AF_VSOCK;
735 pub const PF_XDP: ::c_int = AF_XDP;
736 
737 pub const SIGEV_THREAD_ID: ::c_int = 4;
738 
739 pub const BUFSIZ: ::c_uint = 8192;
740 pub const TMP_MAX: ::c_uint = 238328;
741 pub const FOPEN_MAX: ::c_uint = 16;
742 pub const FILENAME_MAX: ::c_uint = 4096;
743 pub const POSIX_MADV_DONTNEED: ::c_int = 4;
744 pub const _SC_EQUIV_CLASS_MAX: ::c_int = 41;
745 pub const _SC_CHARCLASS_NAME_MAX: ::c_int = 45;
746 pub const _SC_PII: ::c_int = 53;
747 pub const _SC_PII_XTI: ::c_int = 54;
748 pub const _SC_PII_SOCKET: ::c_int = 55;
749 pub const _SC_PII_INTERNET: ::c_int = 56;
750 pub const _SC_PII_OSI: ::c_int = 57;
751 pub const _SC_POLL: ::c_int = 58;
752 pub const _SC_SELECT: ::c_int = 59;
753 pub const _SC_PII_INTERNET_STREAM: ::c_int = 61;
754 pub const _SC_PII_INTERNET_DGRAM: ::c_int = 62;
755 pub const _SC_PII_OSI_COTS: ::c_int = 63;
756 pub const _SC_PII_OSI_CLTS: ::c_int = 64;
757 pub const _SC_PII_OSI_M: ::c_int = 65;
758 pub const _SC_T_IOV_MAX: ::c_int = 66;
759 pub const _SC_2_C_VERSION: ::c_int = 96;
760 pub const _SC_CHAR_BIT: ::c_int = 101;
761 pub const _SC_CHAR_MAX: ::c_int = 102;
762 pub const _SC_CHAR_MIN: ::c_int = 103;
763 pub const _SC_INT_MAX: ::c_int = 104;
764 pub const _SC_INT_MIN: ::c_int = 105;
765 pub const _SC_LONG_BIT: ::c_int = 106;
766 pub const _SC_WORD_BIT: ::c_int = 107;
767 pub const _SC_MB_LEN_MAX: ::c_int = 108;
768 pub const _SC_SSIZE_MAX: ::c_int = 110;
769 pub const _SC_SCHAR_MAX: ::c_int = 111;
770 pub const _SC_SCHAR_MIN: ::c_int = 112;
771 pub const _SC_SHRT_MAX: ::c_int = 113;
772 pub const _SC_SHRT_MIN: ::c_int = 114;
773 pub const _SC_UCHAR_MAX: ::c_int = 115;
774 pub const _SC_UINT_MAX: ::c_int = 116;
775 pub const _SC_ULONG_MAX: ::c_int = 117;
776 pub const _SC_USHRT_MAX: ::c_int = 118;
777 pub const _SC_NL_ARGMAX: ::c_int = 119;
778 pub const _SC_NL_LANGMAX: ::c_int = 120;
779 pub const _SC_NL_MSGMAX: ::c_int = 121;
780 pub const _SC_NL_NMAX: ::c_int = 122;
781 pub const _SC_NL_SETMAX: ::c_int = 123;
782 pub const _SC_NL_TEXTMAX: ::c_int = 124;
783 pub const _SC_BASE: ::c_int = 134;
784 pub const _SC_C_LANG_SUPPORT: ::c_int = 135;
785 pub const _SC_C_LANG_SUPPORT_R: ::c_int = 136;
786 pub const _SC_DEVICE_IO: ::c_int = 140;
787 pub const _SC_DEVICE_SPECIFIC: ::c_int = 141;
788 pub const _SC_DEVICE_SPECIFIC_R: ::c_int = 142;
789 pub const _SC_FD_MGMT: ::c_int = 143;
790 pub const _SC_FIFO: ::c_int = 144;
791 pub const _SC_PIPE: ::c_int = 145;
792 pub const _SC_FILE_ATTRIBUTES: ::c_int = 146;
793 pub const _SC_FILE_LOCKING: ::c_int = 147;
794 pub const _SC_FILE_SYSTEM: ::c_int = 148;
795 pub const _SC_MULTI_PROCESS: ::c_int = 150;
796 pub const _SC_SINGLE_PROCESS: ::c_int = 151;
797 pub const _SC_NETWORKING: ::c_int = 152;
798 pub const _SC_REGEX_VERSION: ::c_int = 156;
799 pub const _SC_SIGNALS: ::c_int = 158;
800 pub const _SC_SYSTEM_DATABASE: ::c_int = 162;
801 pub const _SC_SYSTEM_DATABASE_R: ::c_int = 163;
802 pub const _SC_USER_GROUPS: ::c_int = 166;
803 pub const _SC_USER_GROUPS_R: ::c_int = 167;
804 pub const _SC_LEVEL1_ICACHE_SIZE: ::c_int = 185;
805 pub const _SC_LEVEL1_ICACHE_ASSOC: ::c_int = 186;
806 pub const _SC_LEVEL1_ICACHE_LINESIZE: ::c_int = 187;
807 pub const _SC_LEVEL1_DCACHE_SIZE: ::c_int = 188;
808 pub const _SC_LEVEL1_DCACHE_ASSOC: ::c_int = 189;
809 pub const _SC_LEVEL1_DCACHE_LINESIZE: ::c_int = 190;
810 pub const _SC_LEVEL2_CACHE_SIZE: ::c_int = 191;
811 pub const _SC_LEVEL2_CACHE_ASSOC: ::c_int = 192;
812 pub const _SC_LEVEL2_CACHE_LINESIZE: ::c_int = 193;
813 pub const _SC_LEVEL3_CACHE_SIZE: ::c_int = 194;
814 pub const _SC_LEVEL3_CACHE_ASSOC: ::c_int = 195;
815 pub const _SC_LEVEL3_CACHE_LINESIZE: ::c_int = 196;
816 pub const _SC_LEVEL4_CACHE_SIZE: ::c_int = 197;
817 pub const _SC_LEVEL4_CACHE_ASSOC: ::c_int = 198;
818 pub const _SC_LEVEL4_CACHE_LINESIZE: ::c_int = 199;
819 pub const O_ACCMODE: ::c_int = 3;
820 pub const ST_RELATIME: ::c_ulong = 4096;
821 pub const NI_MAXHOST: ::socklen_t = 1025;
822 
823 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
824 // following are only available on newer Linux versions than the versions
825 // currently used in CI in some configurations, so we define them here.
826 cfg_if! {
827     if #[cfg(not(target_arch = "s390x"))] {
828         pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
829         pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
830     } else if #[cfg(target_arch = "s390x")] {
831         pub const BINDERFS_SUPER_MAGIC: ::c_uint = 0x6c6f6f70;
832         pub const XFS_SUPER_MAGIC: ::c_uint = 0x58465342;
833     }
834 }
835 
836 pub const CPU_SETSIZE: ::c_int = 0x400;
837 
838 pub const PTRACE_TRACEME: ::c_uint = 0;
839 pub const PTRACE_PEEKTEXT: ::c_uint = 1;
840 pub const PTRACE_PEEKDATA: ::c_uint = 2;
841 pub const PTRACE_PEEKUSER: ::c_uint = 3;
842 pub const PTRACE_POKETEXT: ::c_uint = 4;
843 pub const PTRACE_POKEDATA: ::c_uint = 5;
844 pub const PTRACE_POKEUSER: ::c_uint = 6;
845 pub const PTRACE_CONT: ::c_uint = 7;
846 pub const PTRACE_KILL: ::c_uint = 8;
847 pub const PTRACE_SINGLESTEP: ::c_uint = 9;
848 pub const PTRACE_ATTACH: ::c_uint = 16;
849 pub const PTRACE_SYSCALL: ::c_uint = 24;
850 pub const PTRACE_SETOPTIONS: ::c_uint = 0x4200;
851 pub const PTRACE_GETEVENTMSG: ::c_uint = 0x4201;
852 pub const PTRACE_GETSIGINFO: ::c_uint = 0x4202;
853 pub const PTRACE_SETSIGINFO: ::c_uint = 0x4203;
854 pub const PTRACE_GETREGSET: ::c_uint = 0x4204;
855 pub const PTRACE_SETREGSET: ::c_uint = 0x4205;
856 pub const PTRACE_SEIZE: ::c_uint = 0x4206;
857 pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
858 pub const PTRACE_LISTEN: ::c_uint = 0x4208;
859 pub const PTRACE_PEEKSIGINFO: ::c_uint = 0x4209;
860 pub const PTRACE_GET_SYSCALL_INFO: ::c_uint = 0x420e;
861 pub const PTRACE_SYSCALL_INFO_NONE: ::__u8 = 0;
862 pub const PTRACE_SYSCALL_INFO_ENTRY: ::__u8 = 1;
863 pub const PTRACE_SYSCALL_INFO_EXIT: ::__u8 = 2;
864 pub const PTRACE_SYSCALL_INFO_SECCOMP: ::__u8 = 3;
865 
866 // linux/fs.h
867 
868 // Flags for preadv2/pwritev2
869 pub const RWF_HIPRI: ::c_int = 0x00000001;
870 pub const RWF_DSYNC: ::c_int = 0x00000002;
871 pub const RWF_SYNC: ::c_int = 0x00000004;
872 pub const RWF_NOWAIT: ::c_int = 0x00000008;
873 pub const RWF_APPEND: ::c_int = 0x00000010;
874 
875 // linux/rtnetlink.h
876 pub const TCA_PAD: ::c_ushort = 9;
877 pub const TCA_DUMP_INVISIBLE: ::c_ushort = 10;
878 pub const TCA_CHAIN: ::c_ushort = 11;
879 pub const TCA_HW_OFFLOAD: ::c_ushort = 12;
880 
881 pub const RTM_DELNETCONF: u16 = 81;
882 pub const RTM_NEWSTATS: u16 = 92;
883 pub const RTM_GETSTATS: u16 = 94;
884 pub const RTM_NEWCACHEREPORT: u16 = 96;
885 
886 pub const RTM_F_LOOKUP_TABLE: ::c_uint = 0x1000;
887 pub const RTM_F_FIB_MATCH: ::c_uint = 0x2000;
888 
889 pub const RTA_VIA: ::c_ushort = 18;
890 pub const RTA_NEWDST: ::c_ushort = 19;
891 pub const RTA_PREF: ::c_ushort = 20;
892 pub const RTA_ENCAP_TYPE: ::c_ushort = 21;
893 pub const RTA_ENCAP: ::c_ushort = 22;
894 pub const RTA_EXPIRES: ::c_ushort = 23;
895 pub const RTA_PAD: ::c_ushort = 24;
896 pub const RTA_UID: ::c_ushort = 25;
897 pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;
898 
899 // linux/neighbor.h
900 pub const NTF_EXT_LEARNED: u8 = 0x10;
901 pub const NTF_OFFLOADED: u8 = 0x20;
902 
903 pub const NDA_MASTER: ::c_ushort = 9;
904 pub const NDA_LINK_NETNSID: ::c_ushort = 10;
905 pub const NDA_SRC_VNI: ::c_ushort = 11;
906 
907 // linux/personality.h
908 pub const UNAME26: ::c_int = 0x0020000;
909 pub const FDPIC_FUNCPTRS: ::c_int = 0x0080000;
910 
911 // linux/if_addr.h
912 pub const IFA_FLAGS: ::c_ushort = 8;
913 
914 pub const IFA_F_MANAGETEMPADDR: u32 = 0x100;
915 pub const IFA_F_NOPREFIXROUTE: u32 = 0x200;
916 pub const IFA_F_MCAUTOJOIN: u32 = 0x400;
917 pub const IFA_F_STABLE_PRIVACY: u32 = 0x800;
918 
919 pub const MAX_LINKS: ::c_int = 32;
920 
921 pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;
922 
923 pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
924 pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;
925 
926 // elf.h
927 pub const NT_PRSTATUS: ::c_int = 1;
928 pub const NT_PRFPREG: ::c_int = 2;
929 pub const NT_FPREGSET: ::c_int = 2;
930 pub const NT_PRPSINFO: ::c_int = 3;
931 pub const NT_PRXREG: ::c_int = 4;
932 pub const NT_TASKSTRUCT: ::c_int = 4;
933 pub const NT_PLATFORM: ::c_int = 5;
934 pub const NT_AUXV: ::c_int = 6;
935 pub const NT_GWINDOWS: ::c_int = 7;
936 pub const NT_ASRS: ::c_int = 8;
937 pub const NT_PSTATUS: ::c_int = 10;
938 pub const NT_PSINFO: ::c_int = 13;
939 pub const NT_PRCRED: ::c_int = 14;
940 pub const NT_UTSNAME: ::c_int = 15;
941 pub const NT_LWPSTATUS: ::c_int = 16;
942 pub const NT_LWPSINFO: ::c_int = 17;
943 pub const NT_PRFPXREG: ::c_int = 20;
944 
945 pub const ELFOSABI_ARM_AEABI: u8 = 64;
946 
947 // linux/keyctl.h
948 pub const KEYCTL_DH_COMPUTE: u32 = 23;
949 pub const KEYCTL_PKEY_QUERY: u32 = 24;
950 pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
951 pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
952 pub const KEYCTL_PKEY_SIGN: u32 = 27;
953 pub const KEYCTL_PKEY_VERIFY: u32 = 28;
954 pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;
955 
956 pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
957 pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
958 pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
959 pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
960 cfg_if! {
961     if #[cfg(not(any(target_arch = "mips",
962                      target_arch = "mips32r6",
963                      target_arch = "mips64",
964                      target_arch = "mips64r6")))] {
965         pub const KEYCTL_MOVE: u32 = 30;
966         pub const KEYCTL_CAPABILITIES: u32 = 31;
967 
968         pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
969         pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
970         pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
971         pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
972         pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
973         pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
974         pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
975         pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
976         pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
977         pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
978     }
979 }
980 
981 pub const M_MXFAST: ::c_int = 1;
982 pub const M_NLBLKS: ::c_int = 2;
983 pub const M_GRAIN: ::c_int = 3;
984 pub const M_KEEP: ::c_int = 4;
985 pub const M_TRIM_THRESHOLD: ::c_int = -1;
986 pub const M_TOP_PAD: ::c_int = -2;
987 pub const M_MMAP_THRESHOLD: ::c_int = -3;
988 pub const M_MMAP_MAX: ::c_int = -4;
989 pub const M_CHECK_ACTION: ::c_int = -5;
990 pub const M_PERTURB: ::c_int = -6;
991 pub const M_ARENA_TEST: ::c_int = -7;
992 pub const M_ARENA_MAX: ::c_int = -8;
993 
994 pub const AT_STATX_SYNC_TYPE: ::c_int = 0x6000;
995 pub const AT_STATX_SYNC_AS_STAT: ::c_int = 0x0000;
996 pub const AT_STATX_FORCE_SYNC: ::c_int = 0x2000;
997 pub const AT_STATX_DONT_SYNC: ::c_int = 0x4000;
998 pub const STATX_TYPE: ::c_uint = 0x0001;
999 pub const STATX_MODE: ::c_uint = 0x0002;
1000 pub const STATX_NLINK: ::c_uint = 0x0004;
1001 pub const STATX_UID: ::c_uint = 0x0008;
1002 pub const STATX_GID: ::c_uint = 0x0010;
1003 pub const STATX_ATIME: ::c_uint = 0x0020;
1004 pub const STATX_MTIME: ::c_uint = 0x0040;
1005 pub const STATX_CTIME: ::c_uint = 0x0080;
1006 pub const STATX_INO: ::c_uint = 0x0100;
1007 pub const STATX_SIZE: ::c_uint = 0x0200;
1008 pub const STATX_BLOCKS: ::c_uint = 0x0400;
1009 pub const STATX_BASIC_STATS: ::c_uint = 0x07ff;
1010 pub const STATX_BTIME: ::c_uint = 0x0800;
1011 pub const STATX_MNT_ID: ::c_uint = 0x1000;
1012 pub const STATX_DIOALIGN: ::c_uint = 0x2000;
1013 pub const STATX_ALL: ::c_uint = 0x0fff;
1014 pub const STATX__RESERVED: ::c_int = 0x80000000;
1015 pub const STATX_ATTR_COMPRESSED: ::c_int = 0x0004;
1016 pub const STATX_ATTR_IMMUTABLE: ::c_int = 0x0010;
1017 pub const STATX_ATTR_APPEND: ::c_int = 0x0020;
1018 pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
1019 pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
1020 pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
1021 pub const STATX_ATTR_MOUNT_ROOT: ::c_int = 0x2000;
1022 pub const STATX_ATTR_VERITY: ::c_int = 0x00100000;
1023 pub const STATX_ATTR_DAX: ::c_int = 0x00200000;
1024 
1025 pub const SOMAXCONN: ::c_int = 4096;
1026 
1027 //sys/timex.h
1028 pub const ADJ_OFFSET: ::c_uint = 0x0001;
1029 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
1030 pub const ADJ_MAXERROR: ::c_uint = 0x0004;
1031 pub const ADJ_ESTERROR: ::c_uint = 0x0008;
1032 pub const ADJ_STATUS: ::c_uint = 0x0010;
1033 pub const ADJ_TIMECONST: ::c_uint = 0x0020;
1034 pub const ADJ_TAI: ::c_uint = 0x0080;
1035 pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
1036 pub const ADJ_MICRO: ::c_uint = 0x1000;
1037 pub const ADJ_NANO: ::c_uint = 0x2000;
1038 pub const ADJ_TICK: ::c_uint = 0x4000;
1039 pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
1040 pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
1041 pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
1042 pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
1043 pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
1044 pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
1045 pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
1046 pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
1047 pub const MOD_CLKB: ::c_uint = ADJ_TICK;
1048 pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
1049 pub const MOD_TAI: ::c_uint = ADJ_TAI;
1050 pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
1051 pub const MOD_NANO: ::c_uint = ADJ_NANO;
1052 pub const STA_PLL: ::c_int = 0x0001;
1053 pub const STA_PPSFREQ: ::c_int = 0x0002;
1054 pub const STA_PPSTIME: ::c_int = 0x0004;
1055 pub const STA_FLL: ::c_int = 0x0008;
1056 pub const STA_INS: ::c_int = 0x0010;
1057 pub const STA_DEL: ::c_int = 0x0020;
1058 pub const STA_UNSYNC: ::c_int = 0x0040;
1059 pub const STA_FREQHOLD: ::c_int = 0x0080;
1060 pub const STA_PPSSIGNAL: ::c_int = 0x0100;
1061 pub const STA_PPSJITTER: ::c_int = 0x0200;
1062 pub const STA_PPSWANDER: ::c_int = 0x0400;
1063 pub const STA_PPSERROR: ::c_int = 0x0800;
1064 pub const STA_CLOCKERR: ::c_int = 0x1000;
1065 pub const STA_NANO: ::c_int = 0x2000;
1066 pub const STA_MODE: ::c_int = 0x4000;
1067 pub const STA_CLK: ::c_int = 0x8000;
1068 pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
1069     | STA_PPSJITTER
1070     | STA_PPSWANDER
1071     | STA_PPSERROR
1072     | STA_CLOCKERR
1073     | STA_NANO
1074     | STA_MODE
1075     | STA_CLK;
1076 pub const NTP_API: ::c_int = 4;
1077 pub const TIME_OK: ::c_int = 0;
1078 pub const TIME_INS: ::c_int = 1;
1079 pub const TIME_DEL: ::c_int = 2;
1080 pub const TIME_OOP: ::c_int = 3;
1081 pub const TIME_WAIT: ::c_int = 4;
1082 pub const TIME_ERROR: ::c_int = 5;
1083 pub const TIME_BAD: ::c_int = TIME_ERROR;
1084 pub const MAXTC: ::c_long = 6;
1085 
1086 // Portable GLOB_* flags are defined at the `linux_like` level.
1087 // The following are GNU extensions.
1088 pub const GLOB_PERIOD: ::c_int = 1 << 7;
1089 pub const GLOB_ALTDIRFUNC: ::c_int = 1 << 9;
1090 pub const GLOB_BRACE: ::c_int = 1 << 10;
1091 pub const GLOB_NOMAGIC: ::c_int = 1 << 11;
1092 pub const GLOB_TILDE: ::c_int = 1 << 12;
1093 pub const GLOB_ONLYDIR: ::c_int = 1 << 13;
1094 pub const GLOB_TILDE_CHECK: ::c_int = 1 << 14;
1095 
1096 pub const MADV_COLLAPSE: ::c_int = 25;
1097 
1098 cfg_if! {
1099     if #[cfg(any(
1100         target_arch = "arm",
1101         target_arch = "x86",
1102         target_arch = "x86_64",
1103         target_arch = "s390x",
1104         target_arch = "riscv64",
1105         target_arch = "riscv32"
1106     ))] {
1107         pub const PTHREAD_STACK_MIN: ::size_t = 16384;
1108     } else if #[cfg(any(
1109                target_arch = "sparc",
1110                target_arch = "sparc64"
1111            ))] {
1112         pub const PTHREAD_STACK_MIN: ::size_t = 0x6000;
1113     } else {
1114         pub const PTHREAD_STACK_MIN: ::size_t = 131072;
1115     }
1116 }
1117 pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 3;
1118 
1119 pub const REG_STARTEND: ::c_int = 4;
1120 
1121 pub const REG_EEND: ::c_int = 14;
1122 pub const REG_ESIZE: ::c_int = 15;
1123 pub const REG_ERPAREN: ::c_int = 16;
1124 
1125 extern "C" {
1126     pub fn fgetspent_r(
1127         fp: *mut ::FILE,
1128         spbuf: *mut ::spwd,
1129         buf: *mut ::c_char,
1130         buflen: ::size_t,
1131         spbufp: *mut *mut ::spwd,
1132     ) -> ::c_int;
1133     pub fn sgetspent_r(
1134         s: *const ::c_char,
1135         spbuf: *mut ::spwd,
1136         buf: *mut ::c_char,
1137         buflen: ::size_t,
1138         spbufp: *mut *mut ::spwd,
1139     ) -> ::c_int;
1140     pub fn getspent_r(
1141         spbuf: *mut ::spwd,
1142         buf: *mut ::c_char,
1143         buflen: ::size_t,
1144         spbufp: *mut *mut ::spwd,
1145     ) -> ::c_int;
1146     pub fn qsort_r(
1147         base: *mut ::c_void,
1148         num: ::size_t,
1149         size: ::size_t,
1150         compar: ::Option<
1151             unsafe extern "C" fn(*const ::c_void, *const ::c_void, *mut ::c_void) -> ::c_int,
1152         >,
1153         arg: *mut ::c_void,
1154     );
1155     pub fn sendmmsg(
1156         sockfd: ::c_int,
1157         msgvec: *mut ::mmsghdr,
1158         vlen: ::c_uint,
1159         flags: ::c_int,
1160     ) -> ::c_int;
1161     pub fn recvmmsg(
1162         sockfd: ::c_int,
1163         msgvec: *mut ::mmsghdr,
1164         vlen: ::c_uint,
1165         flags: ::c_int,
1166         timeout: *mut ::timespec,
1167     ) -> ::c_int;
1168 
1169     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
1170     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
1171     pub fn getrlimit(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit) -> ::c_int;
1172     pub fn setrlimit(resource: ::__rlimit_resource_t, rlim: *const ::rlimit) -> ::c_int;
1173     pub fn prlimit(
1174         pid: ::pid_t,
1175         resource: ::__rlimit_resource_t,
1176         new_limit: *const ::rlimit,
1177         old_limit: *mut ::rlimit,
1178     ) -> ::c_int;
1179     pub fn prlimit64(
1180         pid: ::pid_t,
1181         resource: ::__rlimit_resource_t,
1182         new_limit: *const ::rlimit64,
1183         old_limit: *mut ::rlimit64,
1184     ) -> ::c_int;
1185     pub fn utmpname(file: *const ::c_char) -> ::c_int;
1186     pub fn utmpxname(file: *const ::c_char) -> ::c_int;
1187     pub fn getutxent() -> *mut utmpx;
1188     pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
1189     pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
1190     pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
1191     pub fn setutxent();
1192     pub fn endutxent();
1193     pub fn getpt() -> ::c_int;
1194     pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
1195     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
1196     pub fn statx(
1197         dirfd: ::c_int,
1198         pathname: *const c_char,
1199         flags: ::c_int,
1200         mask: ::c_uint,
1201         statxbuf: *mut statx,
1202     ) -> ::c_int;
1203     pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
1204     pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
1205     pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;
1206 
1207     pub fn adjtimex(buf: *mut timex) -> ::c_int;
1208     pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
1209     #[link_name = "ntp_gettimex"]
1210     pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
1211     pub fn clock_adjtime(clk_id: ::clockid_t, buf: *mut ::timex) -> ::c_int;
1212 
1213     pub fn fanotify_mark(
1214         fd: ::c_int,
1215         flags: ::c_uint,
1216         mask: u64,
1217         dirfd: ::c_int,
1218         path: *const ::c_char,
1219     ) -> ::c_int;
1220     pub fn preadv2(
1221         fd: ::c_int,
1222         iov: *const ::iovec,
1223         iovcnt: ::c_int,
1224         offset: ::off_t,
1225         flags: ::c_int,
1226     ) -> ::ssize_t;
1227     pub fn pwritev2(
1228         fd: ::c_int,
1229         iov: *const ::iovec,
1230         iovcnt: ::c_int,
1231         offset: ::off_t,
1232         flags: ::c_int,
1233     ) -> ::ssize_t;
1234     pub fn preadv64v2(
1235         fd: ::c_int,
1236         iov: *const ::iovec,
1237         iovcnt: ::c_int,
1238         offset: ::off64_t,
1239         flags: ::c_int,
1240     ) -> ::ssize_t;
1241     pub fn pwritev64v2(
1242         fd: ::c_int,
1243         iov: *const ::iovec,
1244         iovcnt: ::c_int,
1245         offset: ::off64_t,
1246         flags: ::c_int,
1247     ) -> ::ssize_t;
1248     pub fn renameat2(
1249         olddirfd: ::c_int,
1250         oldpath: *const ::c_char,
1251         newdirfd: ::c_int,
1252         newpath: *const ::c_char,
1253         flags: ::c_uint,
1254     ) -> ::c_int;
1255 
1256     // Added in `glibc` 2.25
1257     pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
1258     // Added in `glibc` 2.29
1259     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
1260 
1261     pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;
1262     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
1263     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
1264     pub fn glob64(
1265         pattern: *const ::c_char,
1266         flags: ::c_int,
1267         errfunc: ::Option<extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int>,
1268         pglob: *mut glob64_t,
1269     ) -> ::c_int;
1270     pub fn globfree64(pglob: *mut glob64_t);
1271     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
1272     pub fn pthread_attr_getaffinity_np(
1273         attr: *const ::pthread_attr_t,
1274         cpusetsize: ::size_t,
1275         cpuset: *mut ::cpu_set_t,
1276     ) -> ::c_int;
1277     pub fn pthread_attr_setaffinity_np(
1278         attr: *mut ::pthread_attr_t,
1279         cpusetsize: ::size_t,
1280         cpuset: *const ::cpu_set_t,
1281     ) -> ::c_int;
1282     pub fn getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int;
1283     pub fn setpriority(which: ::__priority_which_t, who: ::id_t, prio: ::c_int) -> ::c_int;
1284     pub fn pthread_rwlockattr_getkind_np(
1285         attr: *const ::pthread_rwlockattr_t,
1286         val: *mut ::c_int,
1287     ) -> ::c_int;
1288     pub fn pthread_rwlockattr_setkind_np(
1289         attr: *mut ::pthread_rwlockattr_t,
1290         val: ::c_int,
1291     ) -> ::c_int;
1292     pub fn pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int;
1293     pub fn mallinfo() -> ::mallinfo;
1294     pub fn mallinfo2() -> ::mallinfo2;
1295     pub fn malloc_info(options: ::c_int, stream: *mut ::FILE) -> ::c_int;
1296     pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
1297     pub fn getpwent_r(
1298         pwd: *mut ::passwd,
1299         buf: *mut ::c_char,
1300         buflen: ::size_t,
1301         result: *mut *mut ::passwd,
1302     ) -> ::c_int;
1303     pub fn getgrent_r(
1304         grp: *mut ::group,
1305         buf: *mut ::c_char,
1306         buflen: ::size_t,
1307         result: *mut *mut ::group,
1308     ) -> ::c_int;
1309     pub fn fgetpwent_r(
1310         stream: *mut ::FILE,
1311         pwd: *mut ::passwd,
1312         buf: *mut ::c_char,
1313         buflen: ::size_t,
1314         result: *mut *mut ::passwd,
1315     ) -> ::c_int;
1316     pub fn fgetgrent_r(
1317         stream: *mut ::FILE,
1318         grp: *mut ::group,
1319         buf: *mut ::c_char,
1320         buflen: ::size_t,
1321         result: *mut *mut ::group,
1322     ) -> ::c_int;
1323 
1324     pub fn putpwent(p: *const ::passwd, stream: *mut ::FILE) -> ::c_int;
1325     pub fn putgrent(grp: *const ::group, stream: *mut ::FILE) -> ::c_int;
1326 
1327     pub fn sethostid(hostid: ::c_long) -> ::c_int;
1328 
1329     pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
1330     pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
1331 
1332     pub fn euidaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1333     pub fn eaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1334 
1335     pub fn asctime_r(tm: *const ::tm, buf: *mut ::c_char) -> *mut ::c_char;
1336     pub fn ctime_r(timep: *const time_t, buf: *mut ::c_char) -> *mut ::c_char;
1337 
1338     pub fn strftime(
1339         s: *mut ::c_char,
1340         max: ::size_t,
1341         format: *const ::c_char,
1342         tm: *const ::tm,
1343     ) -> ::size_t;
1344     pub fn strptime(s: *const ::c_char, format: *const ::c_char, tm: *mut ::tm) -> *mut ::c_char;
1345 
1346     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
1347     /// POSIX version of `basename(3)`, defined in `libgen.h`.
1348     #[link_name = "__xpg_basename"]
1349     pub fn posix_basename(path: *mut ::c_char) -> *mut ::c_char;
1350     /// GNU version of `basename(3)`, defined in `string.h`.
1351     #[link_name = "basename"]
1352     pub fn gnu_basename(path: *const ::c_char) -> *mut ::c_char;
1353     pub fn dlmopen(lmid: Lmid_t, filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
1354     pub fn dlinfo(handle: *mut ::c_void, request: ::c_int, info: *mut ::c_void) -> ::c_int;
1355     pub fn dladdr1(
1356         addr: *const ::c_void,
1357         info: *mut ::Dl_info,
1358         extra_info: *mut *mut ::c_void,
1359         flags: ::c_int,
1360     ) -> ::c_int;
1361     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
1362     pub fn gnu_get_libc_release() -> *const ::c_char;
1363     pub fn gnu_get_libc_version() -> *const ::c_char;
1364 
1365     // posix/spawn.h
1366     // Added in `glibc` 2.29
1367     pub fn posix_spawn_file_actions_addchdir_np(
1368         actions: *mut ::posix_spawn_file_actions_t,
1369         path: *const ::c_char,
1370     ) -> ::c_int;
1371     // Added in `glibc` 2.29
1372     pub fn posix_spawn_file_actions_addfchdir_np(
1373         actions: *mut ::posix_spawn_file_actions_t,
1374         fd: ::c_int,
1375     ) -> ::c_int;
1376     // Added in `glibc` 2.34
1377     pub fn posix_spawn_file_actions_addclosefrom_np(
1378         actions: *mut ::posix_spawn_file_actions_t,
1379         from: ::c_int,
1380     ) -> ::c_int;
1381     // Added in `glibc` 2.35
1382     pub fn posix_spawn_file_actions_addtcsetpgrp_np(
1383         actions: *mut ::posix_spawn_file_actions_t,
1384         tcfd: ::c_int,
1385     ) -> ::c_int;
1386 
1387     // mntent.h
1388     pub fn getmntent_r(
1389         stream: *mut ::FILE,
1390         mntbuf: *mut ::mntent,
1391         buf: *mut ::c_char,
1392         buflen: ::c_int,
1393     ) -> *mut ::mntent;
1394 }
1395 
1396 cfg_if! {
1397     if #[cfg(any(target_arch = "x86",
1398                  target_arch = "arm",
1399                  target_arch = "m68k",
1400                  target_arch = "csky",
1401                  target_arch = "mips",
1402                  target_arch = "mips32r6",
1403                  target_arch = "powerpc",
1404                  target_arch = "sparc",
1405                  target_arch = "riscv32"))] {
1406         mod b32;
1407         pub use self::b32::*;
1408     } else if #[cfg(any(target_arch = "x86_64",
1409                         target_arch = "aarch64",
1410                         target_arch = "powerpc64",
1411                         target_arch = "mips64",
1412                         target_arch = "mips64r6",
1413                         target_arch = "s390x",
1414                         target_arch = "sparc64",
1415                         target_arch = "riscv64",
1416                         target_arch = "loongarch64"))] {
1417         mod b64;
1418         pub use self::b64::*;
1419     } else {
1420         // Unknown target_arch
1421     }
1422 }
1423 
1424 cfg_if! {
1425     if #[cfg(libc_align)] {
1426         mod align;
1427         pub use self::align::*;
1428     } else {
1429         mod no_align;
1430         pub use self::no_align::*;
1431     }
1432 }
1433