libc/unix/linux_like/
mod.rs

1use crate::prelude::*;
2
3pub type sa_family_t = u16;
4pub type speed_t = c_uint;
5pub type tcflag_t = c_uint;
6pub type clockid_t = c_int;
7pub type timer_t = *mut c_void;
8pub type key_t = c_int;
9pub type id_t = c_uint;
10
11missing! {
12    #[cfg_attr(feature = "extra_traits", derive(Debug))]
13    pub enum timezone {}
14}
15
16s! {
17    pub struct in_addr {
18        pub s_addr: crate::in_addr_t,
19    }
20
21    pub struct ip_mreq {
22        pub imr_multiaddr: in_addr,
23        pub imr_interface: in_addr,
24    }
25
26    pub struct ip_mreqn {
27        pub imr_multiaddr: in_addr,
28        pub imr_address: in_addr,
29        pub imr_ifindex: c_int,
30    }
31
32    pub struct ip_mreq_source {
33        pub imr_multiaddr: in_addr,
34        pub imr_interface: in_addr,
35        pub imr_sourceaddr: in_addr,
36    }
37
38    pub struct sockaddr {
39        pub sa_family: sa_family_t,
40        pub sa_data: [c_char; 14],
41    }
42
43    pub struct sockaddr_in {
44        pub sin_family: sa_family_t,
45        pub sin_port: crate::in_port_t,
46        pub sin_addr: crate::in_addr,
47        pub sin_zero: [u8; 8],
48    }
49
50    pub struct sockaddr_in6 {
51        pub sin6_family: sa_family_t,
52        pub sin6_port: crate::in_port_t,
53        pub sin6_flowinfo: u32,
54        pub sin6_addr: crate::in6_addr,
55        pub sin6_scope_id: u32,
56    }
57
58    // The order of the `ai_addr` field in this struct is crucial
59    // for converting between the Rust and C types.
60    pub struct addrinfo {
61        pub ai_flags: c_int,
62        pub ai_family: c_int,
63        pub ai_socktype: c_int,
64        pub ai_protocol: c_int,
65        pub ai_addrlen: socklen_t,
66
67        #[cfg(any(target_os = "linux", target_os = "emscripten"))]
68        pub ai_addr: *mut crate::sockaddr,
69
70        pub ai_canonname: *mut c_char,
71
72        #[cfg(target_os = "android")]
73        pub ai_addr: *mut crate::sockaddr,
74
75        pub ai_next: *mut addrinfo,
76    }
77
78    pub struct sockaddr_ll {
79        pub sll_family: c_ushort,
80        pub sll_protocol: c_ushort,
81        pub sll_ifindex: c_int,
82        pub sll_hatype: c_ushort,
83        pub sll_pkttype: c_uchar,
84        pub sll_halen: c_uchar,
85        pub sll_addr: [c_uchar; 8],
86    }
87
88    pub struct fd_set {
89        fds_bits: [c_ulong; FD_SETSIZE as usize / ULONG_SIZE],
90    }
91
92    pub struct tm {
93        pub tm_sec: c_int,
94        pub tm_min: c_int,
95        pub tm_hour: c_int,
96        pub tm_mday: c_int,
97        pub tm_mon: c_int,
98        pub tm_year: c_int,
99        pub tm_wday: c_int,
100        pub tm_yday: c_int,
101        pub tm_isdst: c_int,
102        pub tm_gmtoff: c_long,
103        pub tm_zone: *const c_char,
104    }
105
106    pub struct sched_param {
107        pub sched_priority: c_int,
108        #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
109        pub sched_ss_low_priority: c_int,
110        #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
111        pub sched_ss_repl_period: crate::timespec,
112        #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
113        pub sched_ss_init_budget: crate::timespec,
114        #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
115        pub sched_ss_max_repl: c_int,
116    }
117
118    pub struct Dl_info {
119        pub dli_fname: *const c_char,
120        pub dli_fbase: *mut c_void,
121        pub dli_sname: *const c_char,
122        pub dli_saddr: *mut c_void,
123    }
124
125    pub struct lconv {
126        pub decimal_point: *mut c_char,
127        pub thousands_sep: *mut c_char,
128        pub grouping: *mut c_char,
129        pub int_curr_symbol: *mut c_char,
130        pub currency_symbol: *mut c_char,
131        pub mon_decimal_point: *mut c_char,
132        pub mon_thousands_sep: *mut c_char,
133        pub mon_grouping: *mut c_char,
134        pub positive_sign: *mut c_char,
135        pub negative_sign: *mut c_char,
136        pub int_frac_digits: c_char,
137        pub frac_digits: c_char,
138        pub p_cs_precedes: c_char,
139        pub p_sep_by_space: c_char,
140        pub n_cs_precedes: c_char,
141        pub n_sep_by_space: c_char,
142        pub p_sign_posn: c_char,
143        pub n_sign_posn: c_char,
144        pub int_p_cs_precedes: c_char,
145        pub int_p_sep_by_space: c_char,
146        pub int_n_cs_precedes: c_char,
147        pub int_n_sep_by_space: c_char,
148        pub int_p_sign_posn: c_char,
149        pub int_n_sign_posn: c_char,
150    }
151
152    pub struct in_pktinfo {
153        pub ipi_ifindex: c_int,
154        pub ipi_spec_dst: crate::in_addr,
155        pub ipi_addr: crate::in_addr,
156    }
157
158    pub struct ifaddrs {
159        pub ifa_next: *mut ifaddrs,
160        pub ifa_name: *mut c_char,
161        pub ifa_flags: c_uint,
162        pub ifa_addr: *mut crate::sockaddr,
163        pub ifa_netmask: *mut crate::sockaddr,
164        pub ifa_ifu: *mut crate::sockaddr, // FIXME(union) This should be a union
165        pub ifa_data: *mut c_void,
166    }
167
168    pub struct in6_rtmsg {
169        rtmsg_dst: crate::in6_addr,
170        rtmsg_src: crate::in6_addr,
171        rtmsg_gateway: crate::in6_addr,
172        rtmsg_type: u32,
173        rtmsg_dst_len: u16,
174        rtmsg_src_len: u16,
175        rtmsg_metric: u32,
176        rtmsg_info: c_ulong,
177        rtmsg_flags: u32,
178        rtmsg_ifindex: c_int,
179    }
180
181    pub struct arpreq {
182        pub arp_pa: crate::sockaddr,
183        pub arp_ha: crate::sockaddr,
184        pub arp_flags: c_int,
185        pub arp_netmask: crate::sockaddr,
186        pub arp_dev: [c_char; 16],
187    }
188
189    pub struct arpreq_old {
190        pub arp_pa: crate::sockaddr,
191        pub arp_ha: crate::sockaddr,
192        pub arp_flags: c_int,
193        pub arp_netmask: crate::sockaddr,
194    }
195
196    pub struct arphdr {
197        pub ar_hrd: u16,
198        pub ar_pro: u16,
199        pub ar_hln: u8,
200        pub ar_pln: u8,
201        pub ar_op: u16,
202    }
203
204    pub struct mmsghdr {
205        pub msg_hdr: crate::msghdr,
206        pub msg_len: c_uint,
207    }
208}
209
210cfg_if! {
211    if #[cfg(not(target_os = "emscripten"))] {
212        s! {
213            pub struct file_clone_range {
214                pub src_fd: crate::__s64,
215                pub src_offset: crate::__u64,
216                pub src_length: crate::__u64,
217                pub dest_offset: crate::__u64,
218            }
219
220            // linux/filter.h
221            pub struct sock_filter {
222                pub code: __u16,
223                pub jt: __u8,
224                pub jf: __u8,
225                pub k: __u32,
226            }
227
228            pub struct sock_fprog {
229                pub len: c_ushort,
230                pub filter: *mut sock_filter,
231            }
232        }
233    }
234}
235
236cfg_if! {
237    if #[cfg(any(target_env = "gnu", target_os = "android"))] {
238        s! {
239            pub struct statx {
240                pub stx_mask: crate::__u32,
241                pub stx_blksize: crate::__u32,
242                pub stx_attributes: crate::__u64,
243                pub stx_nlink: crate::__u32,
244                pub stx_uid: crate::__u32,
245                pub stx_gid: crate::__u32,
246                pub stx_mode: crate::__u16,
247                __statx_pad1: [crate::__u16; 1],
248                pub stx_ino: crate::__u64,
249                pub stx_size: crate::__u64,
250                pub stx_blocks: crate::__u64,
251                pub stx_attributes_mask: crate::__u64,
252                pub stx_atime: statx_timestamp,
253                pub stx_btime: statx_timestamp,
254                pub stx_ctime: statx_timestamp,
255                pub stx_mtime: statx_timestamp,
256                pub stx_rdev_major: crate::__u32,
257                pub stx_rdev_minor: crate::__u32,
258                pub stx_dev_major: crate::__u32,
259                pub stx_dev_minor: crate::__u32,
260                pub stx_mnt_id: crate::__u64,
261                pub stx_dio_mem_align: crate::__u32,
262                pub stx_dio_offset_align: crate::__u32,
263                __statx_pad3: [crate::__u64; 12],
264            }
265
266            pub struct statx_timestamp {
267                pub tv_sec: crate::__s64,
268                pub tv_nsec: crate::__u32,
269                __statx_timestamp_pad1: [crate::__s32; 1],
270            }
271        }
272    }
273}
274
275s_no_extra_traits! {
276    #[cfg_attr(
277        any(
278            all(
279                target_arch = "x86",
280                not(target_env = "musl"),
281                not(target_os = "android")
282            ),
283            target_arch = "x86_64"
284        ),
285        repr(packed)
286    )]
287    pub struct epoll_event {
288        pub events: u32,
289        pub u64: u64,
290    }
291
292    pub struct sockaddr_un {
293        pub sun_family: sa_family_t,
294        pub sun_path: [c_char; 108],
295    }
296
297    pub struct sockaddr_storage {
298        pub ss_family: sa_family_t,
299        #[cfg(target_pointer_width = "32")]
300        __ss_pad2: [u8; 128 - 2 - 4],
301        #[cfg(target_pointer_width = "64")]
302        __ss_pad2: [u8; 128 - 2 - 8],
303        __ss_align: size_t,
304    }
305
306    pub struct utsname {
307        pub sysname: [c_char; 65],
308        pub nodename: [c_char; 65],
309        pub release: [c_char; 65],
310        pub version: [c_char; 65],
311        pub machine: [c_char; 65],
312        pub domainname: [c_char; 65],
313    }
314
315    pub struct sigevent {
316        pub sigev_value: crate::sigval,
317        pub sigev_signo: c_int,
318        pub sigev_notify: c_int,
319        // Actually a union.  We only expose sigev_notify_thread_id because it's
320        // the most useful member
321        pub sigev_notify_thread_id: c_int,
322        #[cfg(target_pointer_width = "64")]
323        __unused1: [c_int; 11],
324        #[cfg(target_pointer_width = "32")]
325        __unused1: [c_int; 12],
326    }
327}
328
329cfg_if! {
330    if #[cfg(feature = "extra_traits")] {
331        impl PartialEq for epoll_event {
332            fn eq(&self, other: &epoll_event) -> bool {
333                self.events == other.events && self.u64 == other.u64
334            }
335        }
336        impl Eq for epoll_event {}
337        impl hash::Hash for epoll_event {
338            fn hash<H: hash::Hasher>(&self, state: &mut H) {
339                let events = self.events;
340                let u64 = self.u64;
341                events.hash(state);
342                u64.hash(state);
343            }
344        }
345
346        impl PartialEq for sockaddr_un {
347            fn eq(&self, other: &sockaddr_un) -> bool {
348                self.sun_family == other.sun_family
349                    && self
350                        .sun_path
351                        .iter()
352                        .zip(other.sun_path.iter())
353                        .all(|(a, b)| a == b)
354            }
355        }
356        impl Eq for sockaddr_un {}
357        impl hash::Hash for sockaddr_un {
358            fn hash<H: hash::Hasher>(&self, state: &mut H) {
359                self.sun_family.hash(state);
360                self.sun_path.hash(state);
361            }
362        }
363
364        impl PartialEq for sockaddr_storage {
365            fn eq(&self, other: &sockaddr_storage) -> bool {
366                self.ss_family == other.ss_family
367                    && self
368                        .__ss_pad2
369                        .iter()
370                        .zip(other.__ss_pad2.iter())
371                        .all(|(a, b)| a == b)
372            }
373        }
374
375        impl Eq for sockaddr_storage {}
376
377        impl hash::Hash for sockaddr_storage {
378            fn hash<H: hash::Hasher>(&self, state: &mut H) {
379                self.ss_family.hash(state);
380                self.__ss_pad2.hash(state);
381            }
382        }
383
384        impl PartialEq for utsname {
385            fn eq(&self, other: &utsname) -> bool {
386                self.sysname
387                    .iter()
388                    .zip(other.sysname.iter())
389                    .all(|(a, b)| a == b)
390                    && self
391                        .nodename
392                        .iter()
393                        .zip(other.nodename.iter())
394                        .all(|(a, b)| a == b)
395                    && self
396                        .release
397                        .iter()
398                        .zip(other.release.iter())
399                        .all(|(a, b)| a == b)
400                    && self
401                        .version
402                        .iter()
403                        .zip(other.version.iter())
404                        .all(|(a, b)| a == b)
405                    && self
406                        .machine
407                        .iter()
408                        .zip(other.machine.iter())
409                        .all(|(a, b)| a == b)
410                    && self
411                        .domainname
412                        .iter()
413                        .zip(other.domainname.iter())
414                        .all(|(a, b)| a == b)
415            }
416        }
417
418        impl Eq for utsname {}
419
420        impl hash::Hash for utsname {
421            fn hash<H: hash::Hasher>(&self, state: &mut H) {
422                self.sysname.hash(state);
423                self.nodename.hash(state);
424                self.release.hash(state);
425                self.version.hash(state);
426                self.machine.hash(state);
427                self.domainname.hash(state);
428            }
429        }
430
431        impl PartialEq for sigevent {
432            fn eq(&self, other: &sigevent) -> bool {
433                self.sigev_value == other.sigev_value
434                    && self.sigev_signo == other.sigev_signo
435                    && self.sigev_notify == other.sigev_notify
436                    && self.sigev_notify_thread_id == other.sigev_notify_thread_id
437            }
438        }
439        impl Eq for sigevent {}
440        impl hash::Hash for sigevent {
441            fn hash<H: hash::Hasher>(&self, state: &mut H) {
442                self.sigev_value.hash(state);
443                self.sigev_signo.hash(state);
444                self.sigev_notify.hash(state);
445                self.sigev_notify_thread_id.hash(state);
446            }
447        }
448    }
449}
450
451// intentionally not public, only used for fd_set
452cfg_if! {
453    if #[cfg(target_pointer_width = "32")] {
454        const ULONG_SIZE: usize = 32;
455    } else if #[cfg(target_pointer_width = "64")] {
456        const ULONG_SIZE: usize = 64;
457    } else {
458        // Unknown target_pointer_width
459    }
460}
461
462pub const EXIT_FAILURE: c_int = 1;
463pub const EXIT_SUCCESS: c_int = 0;
464pub const RAND_MAX: c_int = 2147483647;
465pub const EOF: c_int = -1;
466pub const SEEK_SET: c_int = 0;
467pub const SEEK_CUR: c_int = 1;
468pub const SEEK_END: c_int = 2;
469pub const _IOFBF: c_int = 0;
470pub const _IONBF: c_int = 2;
471pub const _IOLBF: c_int = 1;
472
473pub const F_DUPFD: c_int = 0;
474pub const F_GETFD: c_int = 1;
475pub const F_SETFD: c_int = 2;
476pub const F_GETFL: c_int = 3;
477pub const F_SETFL: c_int = 4;
478
479// Linux-specific fcntls
480pub const F_SETLEASE: c_int = 1024;
481pub const F_GETLEASE: c_int = 1025;
482pub const F_NOTIFY: c_int = 1026;
483pub const F_CANCELLK: c_int = 1029;
484pub const F_DUPFD_CLOEXEC: c_int = 1030;
485pub const F_SETPIPE_SZ: c_int = 1031;
486pub const F_GETPIPE_SZ: c_int = 1032;
487pub const F_ADD_SEALS: c_int = 1033;
488pub const F_GET_SEALS: c_int = 1034;
489
490pub const F_SEAL_SEAL: c_int = 0x0001;
491pub const F_SEAL_SHRINK: c_int = 0x0002;
492pub const F_SEAL_GROW: c_int = 0x0004;
493pub const F_SEAL_WRITE: c_int = 0x0008;
494
495// FIXME(#235): Include file sealing fcntls once we have a way to verify them.
496
497pub const SIGTRAP: c_int = 5;
498
499pub const PTHREAD_CREATE_JOINABLE: c_int = 0;
500pub const PTHREAD_CREATE_DETACHED: c_int = 1;
501
502pub const CLOCK_REALTIME: crate::clockid_t = 0;
503pub const CLOCK_MONOTONIC: crate::clockid_t = 1;
504pub const CLOCK_PROCESS_CPUTIME_ID: crate::clockid_t = 2;
505pub const CLOCK_THREAD_CPUTIME_ID: crate::clockid_t = 3;
506pub const CLOCK_MONOTONIC_RAW: crate::clockid_t = 4;
507pub const CLOCK_REALTIME_COARSE: crate::clockid_t = 5;
508pub const CLOCK_MONOTONIC_COARSE: crate::clockid_t = 6;
509pub const CLOCK_BOOTTIME: crate::clockid_t = 7;
510pub const CLOCK_REALTIME_ALARM: crate::clockid_t = 8;
511pub const CLOCK_BOOTTIME_ALARM: crate::clockid_t = 9;
512pub const CLOCK_TAI: crate::clockid_t = 11;
513pub const TIMER_ABSTIME: c_int = 1;
514
515pub const RUSAGE_SELF: c_int = 0;
516
517pub const O_RDONLY: c_int = 0;
518pub const O_WRONLY: c_int = 1;
519pub const O_RDWR: c_int = 2;
520
521pub const SOCK_CLOEXEC: c_int = O_CLOEXEC;
522
523pub const S_IFIFO: mode_t = 0o1_0000;
524pub const S_IFCHR: mode_t = 0o2_0000;
525pub const S_IFBLK: mode_t = 0o6_0000;
526pub const S_IFDIR: mode_t = 0o4_0000;
527pub const S_IFREG: mode_t = 0o10_0000;
528pub const S_IFLNK: mode_t = 0o12_0000;
529pub const S_IFSOCK: mode_t = 0o14_0000;
530pub const S_IFMT: mode_t = 0o17_0000;
531pub const S_IRWXU: mode_t = 0o0700;
532pub const S_IXUSR: mode_t = 0o0100;
533pub const S_IWUSR: mode_t = 0o0200;
534pub const S_IRUSR: mode_t = 0o0400;
535pub const S_IRWXG: mode_t = 0o0070;
536pub const S_IXGRP: mode_t = 0o0010;
537pub const S_IWGRP: mode_t = 0o0020;
538pub const S_IRGRP: mode_t = 0o0040;
539pub const S_IRWXO: mode_t = 0o0007;
540pub const S_IXOTH: mode_t = 0o0001;
541pub const S_IWOTH: mode_t = 0o0002;
542pub const S_IROTH: mode_t = 0o0004;
543pub const F_OK: c_int = 0;
544pub const R_OK: c_int = 4;
545pub const W_OK: c_int = 2;
546pub const X_OK: c_int = 1;
547pub const STDIN_FILENO: c_int = 0;
548pub const STDOUT_FILENO: c_int = 1;
549pub const STDERR_FILENO: c_int = 2;
550pub const SIGHUP: c_int = 1;
551pub const SIGINT: c_int = 2;
552pub const SIGQUIT: c_int = 3;
553pub const SIGILL: c_int = 4;
554pub const SIGABRT: c_int = 6;
555pub const SIGFPE: c_int = 8;
556pub const SIGKILL: c_int = 9;
557pub const SIGSEGV: c_int = 11;
558pub const SIGPIPE: c_int = 13;
559pub const SIGALRM: c_int = 14;
560pub const SIGTERM: c_int = 15;
561
562pub const PROT_NONE: c_int = 0;
563pub const PROT_READ: c_int = 1;
564pub const PROT_WRITE: c_int = 2;
565pub const PROT_EXEC: c_int = 4;
566
567pub const XATTR_CREATE: c_int = 0x1;
568pub const XATTR_REPLACE: c_int = 0x2;
569
570cfg_if! {
571    if #[cfg(target_os = "android")] {
572        pub const RLIM64_INFINITY: c_ulonglong = !0;
573    } else {
574        pub const RLIM64_INFINITY: crate::rlim64_t = !0;
575    }
576}
577
578cfg_if! {
579    if #[cfg(target_env = "ohos")] {
580        pub const LC_CTYPE: c_int = 0;
581        pub const LC_NUMERIC: c_int = 1;
582        pub const LC_TIME: c_int = 2;
583        pub const LC_COLLATE: c_int = 3;
584        pub const LC_MONETARY: c_int = 4;
585        pub const LC_MESSAGES: c_int = 5;
586        pub const LC_PAPER: c_int = 6;
587        pub const LC_NAME: c_int = 7;
588        pub const LC_ADDRESS: c_int = 8;
589        pub const LC_TELEPHONE: c_int = 9;
590        pub const LC_MEASUREMENT: c_int = 10;
591        pub const LC_IDENTIFICATION: c_int = 11;
592        pub const LC_ALL: c_int = 12;
593    } else if #[cfg(not(target_env = "uclibc"))] {
594        pub const LC_CTYPE: c_int = 0;
595        pub const LC_NUMERIC: c_int = 1;
596        pub const LC_TIME: c_int = 2;
597        pub const LC_COLLATE: c_int = 3;
598        pub const LC_MONETARY: c_int = 4;
599        pub const LC_MESSAGES: c_int = 5;
600        pub const LC_ALL: c_int = 6;
601    }
602}
603
604pub const LC_CTYPE_MASK: c_int = 1 << LC_CTYPE;
605pub const LC_NUMERIC_MASK: c_int = 1 << LC_NUMERIC;
606pub const LC_TIME_MASK: c_int = 1 << LC_TIME;
607pub const LC_COLLATE_MASK: c_int = 1 << LC_COLLATE;
608pub const LC_MONETARY_MASK: c_int = 1 << LC_MONETARY;
609pub const LC_MESSAGES_MASK: c_int = 1 << LC_MESSAGES;
610// LC_ALL_MASK defined per platform
611
612pub const MAP_FILE: c_int = 0x0000;
613pub const MAP_SHARED: c_int = 0x0001;
614pub const MAP_PRIVATE: c_int = 0x0002;
615pub const MAP_FIXED: c_int = 0x0010;
616
617pub const MAP_FAILED: *mut c_void = !0 as *mut c_void;
618
619// MS_ flags for msync(2)
620pub const MS_ASYNC: c_int = 0x0001;
621pub const MS_INVALIDATE: c_int = 0x0002;
622pub const MS_SYNC: c_int = 0x0004;
623
624// MS_ flags for mount(2)
625pub const MS_RDONLY: c_ulong = 0x01;
626pub const MS_NOSUID: c_ulong = 0x02;
627pub const MS_NODEV: c_ulong = 0x04;
628pub const MS_NOEXEC: c_ulong = 0x08;
629pub const MS_SYNCHRONOUS: c_ulong = 0x10;
630pub const MS_REMOUNT: c_ulong = 0x20;
631pub const MS_MANDLOCK: c_ulong = 0x40;
632pub const MS_DIRSYNC: c_ulong = 0x80;
633pub const MS_NOATIME: c_ulong = 0x0400;
634pub const MS_NODIRATIME: c_ulong = 0x0800;
635pub const MS_BIND: c_ulong = 0x1000;
636pub const MS_MOVE: c_ulong = 0x2000;
637pub const MS_REC: c_ulong = 0x4000;
638pub const MS_SILENT: c_ulong = 0x8000;
639pub const MS_POSIXACL: c_ulong = 0x010000;
640pub const MS_UNBINDABLE: c_ulong = 0x020000;
641pub const MS_PRIVATE: c_ulong = 0x040000;
642pub const MS_SLAVE: c_ulong = 0x080000;
643pub const MS_SHARED: c_ulong = 0x100000;
644pub const MS_RELATIME: c_ulong = 0x200000;
645pub const MS_KERNMOUNT: c_ulong = 0x400000;
646pub const MS_I_VERSION: c_ulong = 0x800000;
647pub const MS_STRICTATIME: c_ulong = 0x1000000;
648pub const MS_LAZYTIME: c_ulong = 0x2000000;
649pub const MS_ACTIVE: c_ulong = 0x40000000;
650pub const MS_MGC_VAL: c_ulong = 0xc0ed0000;
651pub const MS_MGC_MSK: c_ulong = 0xffff0000;
652
653pub const SCM_RIGHTS: c_int = 0x01;
654pub const SCM_CREDENTIALS: c_int = 0x02;
655
656pub const PROT_GROWSDOWN: c_int = 0x1000000;
657pub const PROT_GROWSUP: c_int = 0x2000000;
658
659pub const MAP_TYPE: c_int = 0x000f;
660
661pub const MADV_NORMAL: c_int = 0;
662pub const MADV_RANDOM: c_int = 1;
663pub const MADV_SEQUENTIAL: c_int = 2;
664pub const MADV_WILLNEED: c_int = 3;
665pub const MADV_DONTNEED: c_int = 4;
666pub const MADV_FREE: c_int = 8;
667pub const MADV_REMOVE: c_int = 9;
668pub const MADV_DONTFORK: c_int = 10;
669pub const MADV_DOFORK: c_int = 11;
670pub const MADV_MERGEABLE: c_int = 12;
671pub const MADV_UNMERGEABLE: c_int = 13;
672pub const MADV_HUGEPAGE: c_int = 14;
673pub const MADV_NOHUGEPAGE: c_int = 15;
674pub const MADV_DONTDUMP: c_int = 16;
675pub const MADV_DODUMP: c_int = 17;
676pub const MADV_WIPEONFORK: c_int = 18;
677pub const MADV_KEEPONFORK: c_int = 19;
678pub const MADV_COLD: c_int = 20;
679pub const MADV_PAGEOUT: c_int = 21;
680pub const MADV_HWPOISON: c_int = 100;
681cfg_if! {
682    if #[cfg(not(target_os = "emscripten"))] {
683        pub const MADV_POPULATE_READ: c_int = 22;
684        pub const MADV_POPULATE_WRITE: c_int = 23;
685        pub const MADV_DONTNEED_LOCKED: c_int = 24;
686    }
687}
688
689pub const IFF_UP: c_int = 0x1;
690pub const IFF_BROADCAST: c_int = 0x2;
691pub const IFF_DEBUG: c_int = 0x4;
692pub const IFF_LOOPBACK: c_int = 0x8;
693pub const IFF_POINTOPOINT: c_int = 0x10;
694pub const IFF_NOTRAILERS: c_int = 0x20;
695pub const IFF_RUNNING: c_int = 0x40;
696pub const IFF_NOARP: c_int = 0x80;
697pub const IFF_PROMISC: c_int = 0x100;
698pub const IFF_ALLMULTI: c_int = 0x200;
699pub const IFF_MASTER: c_int = 0x400;
700pub const IFF_SLAVE: c_int = 0x800;
701pub const IFF_MULTICAST: c_int = 0x1000;
702pub const IFF_PORTSEL: c_int = 0x2000;
703pub const IFF_AUTOMEDIA: c_int = 0x4000;
704pub const IFF_DYNAMIC: c_int = 0x8000;
705
706pub const SOL_IP: c_int = 0;
707pub const SOL_TCP: c_int = 6;
708pub const SOL_UDP: c_int = 17;
709pub const SOL_IPV6: c_int = 41;
710pub const SOL_ICMPV6: c_int = 58;
711pub const SOL_RAW: c_int = 255;
712pub const SOL_DECNET: c_int = 261;
713pub const SOL_X25: c_int = 262;
714pub const SOL_PACKET: c_int = 263;
715pub const SOL_ATM: c_int = 264;
716pub const SOL_AAL: c_int = 265;
717pub const SOL_IRDA: c_int = 266;
718pub const SOL_NETBEUI: c_int = 267;
719pub const SOL_LLC: c_int = 268;
720pub const SOL_DCCP: c_int = 269;
721pub const SOL_NETLINK: c_int = 270;
722pub const SOL_TIPC: c_int = 271;
723pub const SOL_BLUETOOTH: c_int = 274;
724pub const SOL_ALG: c_int = 279;
725
726pub const AF_UNSPEC: c_int = 0;
727pub const AF_UNIX: c_int = 1;
728pub const AF_LOCAL: c_int = 1;
729pub const AF_INET: c_int = 2;
730pub const AF_AX25: c_int = 3;
731pub const AF_IPX: c_int = 4;
732pub const AF_APPLETALK: c_int = 5;
733pub const AF_NETROM: c_int = 6;
734pub const AF_BRIDGE: c_int = 7;
735pub const AF_ATMPVC: c_int = 8;
736pub const AF_X25: c_int = 9;
737pub const AF_INET6: c_int = 10;
738pub const AF_ROSE: c_int = 11;
739pub const AF_DECnet: c_int = 12;
740pub const AF_NETBEUI: c_int = 13;
741pub const AF_SECURITY: c_int = 14;
742pub const AF_KEY: c_int = 15;
743pub const AF_NETLINK: c_int = 16;
744pub const AF_ROUTE: c_int = AF_NETLINK;
745pub const AF_PACKET: c_int = 17;
746pub const AF_ASH: c_int = 18;
747pub const AF_ECONET: c_int = 19;
748pub const AF_ATMSVC: c_int = 20;
749pub const AF_RDS: c_int = 21;
750pub const AF_SNA: c_int = 22;
751pub const AF_IRDA: c_int = 23;
752pub const AF_PPPOX: c_int = 24;
753pub const AF_WANPIPE: c_int = 25;
754pub const AF_LLC: c_int = 26;
755pub const AF_CAN: c_int = 29;
756pub const AF_TIPC: c_int = 30;
757pub const AF_BLUETOOTH: c_int = 31;
758pub const AF_IUCV: c_int = 32;
759pub const AF_RXRPC: c_int = 33;
760pub const AF_ISDN: c_int = 34;
761pub const AF_PHONET: c_int = 35;
762pub const AF_IEEE802154: c_int = 36;
763pub const AF_CAIF: c_int = 37;
764pub const AF_ALG: c_int = 38;
765
766pub const PF_UNSPEC: c_int = AF_UNSPEC;
767pub const PF_UNIX: c_int = AF_UNIX;
768pub const PF_LOCAL: c_int = AF_LOCAL;
769pub const PF_INET: c_int = AF_INET;
770pub const PF_AX25: c_int = AF_AX25;
771pub const PF_IPX: c_int = AF_IPX;
772pub const PF_APPLETALK: c_int = AF_APPLETALK;
773pub const PF_NETROM: c_int = AF_NETROM;
774pub const PF_BRIDGE: c_int = AF_BRIDGE;
775pub const PF_ATMPVC: c_int = AF_ATMPVC;
776pub const PF_X25: c_int = AF_X25;
777pub const PF_INET6: c_int = AF_INET6;
778pub const PF_ROSE: c_int = AF_ROSE;
779pub const PF_DECnet: c_int = AF_DECnet;
780pub const PF_NETBEUI: c_int = AF_NETBEUI;
781pub const PF_SECURITY: c_int = AF_SECURITY;
782pub const PF_KEY: c_int = AF_KEY;
783pub const PF_NETLINK: c_int = AF_NETLINK;
784pub const PF_ROUTE: c_int = AF_ROUTE;
785pub const PF_PACKET: c_int = AF_PACKET;
786pub const PF_ASH: c_int = AF_ASH;
787pub const PF_ECONET: c_int = AF_ECONET;
788pub const PF_ATMSVC: c_int = AF_ATMSVC;
789pub const PF_RDS: c_int = AF_RDS;
790pub const PF_SNA: c_int = AF_SNA;
791pub const PF_IRDA: c_int = AF_IRDA;
792pub const PF_PPPOX: c_int = AF_PPPOX;
793pub const PF_WANPIPE: c_int = AF_WANPIPE;
794pub const PF_LLC: c_int = AF_LLC;
795pub const PF_CAN: c_int = AF_CAN;
796pub const PF_TIPC: c_int = AF_TIPC;
797pub const PF_BLUETOOTH: c_int = AF_BLUETOOTH;
798pub const PF_IUCV: c_int = AF_IUCV;
799pub const PF_RXRPC: c_int = AF_RXRPC;
800pub const PF_ISDN: c_int = AF_ISDN;
801pub const PF_PHONET: c_int = AF_PHONET;
802pub const PF_IEEE802154: c_int = AF_IEEE802154;
803pub const PF_CAIF: c_int = AF_CAIF;
804pub const PF_ALG: c_int = AF_ALG;
805
806pub const MSG_OOB: c_int = 1;
807pub const MSG_PEEK: c_int = 2;
808pub const MSG_DONTROUTE: c_int = 4;
809pub const MSG_CTRUNC: c_int = 8;
810pub const MSG_TRUNC: c_int = 0x20;
811pub const MSG_DONTWAIT: c_int = 0x40;
812pub const MSG_EOR: c_int = 0x80;
813pub const MSG_WAITALL: c_int = 0x100;
814pub const MSG_FIN: c_int = 0x200;
815pub const MSG_SYN: c_int = 0x400;
816pub const MSG_CONFIRM: c_int = 0x800;
817pub const MSG_RST: c_int = 0x1000;
818pub const MSG_ERRQUEUE: c_int = 0x2000;
819pub const MSG_NOSIGNAL: c_int = 0x4000;
820pub const MSG_MORE: c_int = 0x8000;
821pub const MSG_WAITFORONE: c_int = 0x10000;
822pub const MSG_FASTOPEN: c_int = 0x20000000;
823pub const MSG_CMSG_CLOEXEC: c_int = 0x40000000;
824
825pub const SCM_TIMESTAMP: c_int = SO_TIMESTAMP;
826
827pub const SOCK_RAW: c_int = 3;
828pub const SOCK_RDM: c_int = 4;
829pub const IP_TOS: c_int = 1;
830pub const IP_TTL: c_int = 2;
831pub const IP_HDRINCL: c_int = 3;
832pub const IP_OPTIONS: c_int = 4;
833pub const IP_ROUTER_ALERT: c_int = 5;
834pub const IP_RECVOPTS: c_int = 6;
835pub const IP_RETOPTS: c_int = 7;
836pub const IP_PKTINFO: c_int = 8;
837pub const IP_PKTOPTIONS: c_int = 9;
838pub const IP_MTU_DISCOVER: c_int = 10;
839pub const IP_RECVERR: c_int = 11;
840pub const IP_RECVTTL: c_int = 12;
841pub const IP_RECVTOS: c_int = 13;
842pub const IP_MTU: c_int = 14;
843pub const IP_FREEBIND: c_int = 15;
844pub const IP_IPSEC_POLICY: c_int = 16;
845pub const IP_XFRM_POLICY: c_int = 17;
846pub const IP_PASSSEC: c_int = 18;
847pub const IP_TRANSPARENT: c_int = 19;
848pub const IP_ORIGDSTADDR: c_int = 20;
849pub const IP_RECVORIGDSTADDR: c_int = IP_ORIGDSTADDR;
850pub const IP_MINTTL: c_int = 21;
851pub const IP_NODEFRAG: c_int = 22;
852pub const IP_CHECKSUM: c_int = 23;
853pub const IP_BIND_ADDRESS_NO_PORT: c_int = 24;
854pub const IP_MULTICAST_IF: c_int = 32;
855pub const IP_MULTICAST_TTL: c_int = 33;
856pub const IP_MULTICAST_LOOP: c_int = 34;
857pub const IP_ADD_MEMBERSHIP: c_int = 35;
858pub const IP_DROP_MEMBERSHIP: c_int = 36;
859pub const IP_UNBLOCK_SOURCE: c_int = 37;
860pub const IP_BLOCK_SOURCE: c_int = 38;
861pub const IP_ADD_SOURCE_MEMBERSHIP: c_int = 39;
862pub const IP_DROP_SOURCE_MEMBERSHIP: c_int = 40;
863pub const IP_MSFILTER: c_int = 41;
864pub const IP_MULTICAST_ALL: c_int = 49;
865pub const IP_UNICAST_IF: c_int = 50;
866
867pub const IP_DEFAULT_MULTICAST_TTL: c_int = 1;
868pub const IP_DEFAULT_MULTICAST_LOOP: c_int = 1;
869
870pub const IP_PMTUDISC_DONT: c_int = 0;
871pub const IP_PMTUDISC_WANT: c_int = 1;
872pub const IP_PMTUDISC_DO: c_int = 2;
873pub const IP_PMTUDISC_PROBE: c_int = 3;
874pub const IP_PMTUDISC_INTERFACE: c_int = 4;
875pub const IP_PMTUDISC_OMIT: c_int = 5;
876
877// IPPROTO_IP defined in src/unix/mod.rs
878/// Hop-by-hop option header
879pub const IPPROTO_HOPOPTS: c_int = 0;
880// IPPROTO_ICMP defined in src/unix/mod.rs
881/// group mgmt protocol
882pub const IPPROTO_IGMP: c_int = 2;
883/// for compatibility
884pub const IPPROTO_IPIP: c_int = 4;
885// IPPROTO_TCP defined in src/unix/mod.rs
886/// exterior gateway protocol
887pub const IPPROTO_EGP: c_int = 8;
888/// pup
889pub const IPPROTO_PUP: c_int = 12;
890// IPPROTO_UDP defined in src/unix/mod.rs
891/// xns idp
892pub const IPPROTO_IDP: c_int = 22;
893/// tp-4 w/ class negotiation
894pub const IPPROTO_TP: c_int = 29;
895/// DCCP
896pub const IPPROTO_DCCP: c_int = 33;
897// IPPROTO_IPV6 defined in src/unix/mod.rs
898/// IP6 routing header
899pub const IPPROTO_ROUTING: c_int = 43;
900/// IP6 fragmentation header
901pub const IPPROTO_FRAGMENT: c_int = 44;
902/// resource reservation
903pub const IPPROTO_RSVP: c_int = 46;
904/// General Routing Encap.
905pub const IPPROTO_GRE: c_int = 47;
906/// IP6 Encap Sec. Payload
907pub const IPPROTO_ESP: c_int = 50;
908/// IP6 Auth Header
909pub const IPPROTO_AH: c_int = 51;
910// IPPROTO_ICMPV6 defined in src/unix/mod.rs
911/// IP6 no next header
912pub const IPPROTO_NONE: c_int = 59;
913/// IP6 destination option
914pub const IPPROTO_DSTOPTS: c_int = 60;
915pub const IPPROTO_MTP: c_int = 92;
916/// encapsulation header
917pub const IPPROTO_ENCAP: c_int = 98;
918/// Protocol indep. multicast
919pub const IPPROTO_PIM: c_int = 103;
920/// IP Payload Comp. Protocol
921pub const IPPROTO_COMP: c_int = 108;
922/// SCTP
923pub const IPPROTO_SCTP: c_int = 132;
924pub const IPPROTO_MH: c_int = 135;
925pub const IPPROTO_UDPLITE: c_int = 136;
926/// raw IP packet
927pub const IPPROTO_RAW: c_int = 255;
928pub const IPPROTO_BEETPH: c_int = 94;
929pub const IPPROTO_MPLS: c_int = 137;
930/// Multipath TCP
931pub const IPPROTO_MPTCP: c_int = 262;
932/// Ethernet-within-IPv6 encapsulation.
933pub const IPPROTO_ETHERNET: c_int = 143;
934
935pub const MCAST_EXCLUDE: c_int = 0;
936pub const MCAST_INCLUDE: c_int = 1;
937pub const MCAST_JOIN_GROUP: c_int = 42;
938pub const MCAST_BLOCK_SOURCE: c_int = 43;
939pub const MCAST_UNBLOCK_SOURCE: c_int = 44;
940pub const MCAST_LEAVE_GROUP: c_int = 45;
941pub const MCAST_JOIN_SOURCE_GROUP: c_int = 46;
942pub const MCAST_LEAVE_SOURCE_GROUP: c_int = 47;
943pub const MCAST_MSFILTER: c_int = 48;
944
945pub const IPV6_ADDRFORM: c_int = 1;
946pub const IPV6_2292PKTINFO: c_int = 2;
947pub const IPV6_2292HOPOPTS: c_int = 3;
948pub const IPV6_2292DSTOPTS: c_int = 4;
949pub const IPV6_2292RTHDR: c_int = 5;
950pub const IPV6_2292PKTOPTIONS: c_int = 6;
951pub const IPV6_CHECKSUM: c_int = 7;
952pub const IPV6_2292HOPLIMIT: c_int = 8;
953pub const IPV6_NEXTHOP: c_int = 9;
954pub const IPV6_AUTHHDR: c_int = 10;
955pub const IPV6_UNICAST_HOPS: c_int = 16;
956pub const IPV6_MULTICAST_IF: c_int = 17;
957pub const IPV6_MULTICAST_HOPS: c_int = 18;
958pub const IPV6_MULTICAST_LOOP: c_int = 19;
959pub const IPV6_ADD_MEMBERSHIP: c_int = 20;
960pub const IPV6_DROP_MEMBERSHIP: c_int = 21;
961pub const IPV6_ROUTER_ALERT: c_int = 22;
962pub const IPV6_MTU_DISCOVER: c_int = 23;
963pub const IPV6_MTU: c_int = 24;
964pub const IPV6_RECVERR: c_int = 25;
965pub const IPV6_V6ONLY: c_int = 26;
966pub const IPV6_JOIN_ANYCAST: c_int = 27;
967pub const IPV6_LEAVE_ANYCAST: c_int = 28;
968pub const IPV6_IPSEC_POLICY: c_int = 34;
969pub const IPV6_XFRM_POLICY: c_int = 35;
970pub const IPV6_HDRINCL: c_int = 36;
971pub const IPV6_RECVPKTINFO: c_int = 49;
972pub const IPV6_PKTINFO: c_int = 50;
973pub const IPV6_RECVHOPLIMIT: c_int = 51;
974pub const IPV6_HOPLIMIT: c_int = 52;
975pub const IPV6_RECVHOPOPTS: c_int = 53;
976pub const IPV6_HOPOPTS: c_int = 54;
977pub const IPV6_RTHDRDSTOPTS: c_int = 55;
978pub const IPV6_RECVRTHDR: c_int = 56;
979pub const IPV6_RTHDR: c_int = 57;
980pub const IPV6_RECVDSTOPTS: c_int = 58;
981pub const IPV6_DSTOPTS: c_int = 59;
982pub const IPV6_RECVPATHMTU: c_int = 60;
983pub const IPV6_PATHMTU: c_int = 61;
984pub const IPV6_DONTFRAG: c_int = 62;
985pub const IPV6_RECVTCLASS: c_int = 66;
986pub const IPV6_TCLASS: c_int = 67;
987pub const IPV6_AUTOFLOWLABEL: c_int = 70;
988pub const IPV6_ADDR_PREFERENCES: c_int = 72;
989pub const IPV6_MINHOPCOUNT: c_int = 73;
990pub const IPV6_ORIGDSTADDR: c_int = 74;
991pub const IPV6_RECVORIGDSTADDR: c_int = IPV6_ORIGDSTADDR;
992pub const IPV6_TRANSPARENT: c_int = 75;
993pub const IPV6_UNICAST_IF: c_int = 76;
994pub const IPV6_PREFER_SRC_TMP: c_int = 0x0001;
995pub const IPV6_PREFER_SRC_PUBLIC: c_int = 0x0002;
996pub const IPV6_PREFER_SRC_PUBTMP_DEFAULT: c_int = 0x0100;
997pub const IPV6_PREFER_SRC_COA: c_int = 0x0004;
998pub const IPV6_PREFER_SRC_HOME: c_int = 0x0400;
999pub const IPV6_PREFER_SRC_CGA: c_int = 0x0008;
1000pub const IPV6_PREFER_SRC_NONCGA: c_int = 0x0800;
1001
1002pub const IPV6_PMTUDISC_DONT: c_int = 0;
1003pub const IPV6_PMTUDISC_WANT: c_int = 1;
1004pub const IPV6_PMTUDISC_DO: c_int = 2;
1005pub const IPV6_PMTUDISC_PROBE: c_int = 3;
1006pub const IPV6_PMTUDISC_INTERFACE: c_int = 4;
1007pub const IPV6_PMTUDISC_OMIT: c_int = 5;
1008
1009pub const TCP_NODELAY: c_int = 1;
1010pub const TCP_MAXSEG: c_int = 2;
1011pub const TCP_CORK: c_int = 3;
1012pub const TCP_KEEPIDLE: c_int = 4;
1013pub const TCP_KEEPINTVL: c_int = 5;
1014pub const TCP_KEEPCNT: c_int = 6;
1015pub const TCP_SYNCNT: c_int = 7;
1016pub const TCP_LINGER2: c_int = 8;
1017pub const TCP_DEFER_ACCEPT: c_int = 9;
1018pub const TCP_WINDOW_CLAMP: c_int = 10;
1019pub const TCP_INFO: c_int = 11;
1020pub const TCP_QUICKACK: c_int = 12;
1021pub const TCP_CONGESTION: c_int = 13;
1022pub const TCP_MD5SIG: c_int = 14;
1023cfg_if! {
1024    if #[cfg(all(
1025        target_os = "linux",
1026        any(target_env = "gnu", target_env = "musl", target_env = "ohos")
1027    ))] {
1028        // WARN: deprecated
1029        pub const TCP_COOKIE_TRANSACTIONS: c_int = 15;
1030    }
1031}
1032pub const TCP_THIN_LINEAR_TIMEOUTS: c_int = 16;
1033pub const TCP_THIN_DUPACK: c_int = 17;
1034pub const TCP_USER_TIMEOUT: c_int = 18;
1035pub const TCP_REPAIR: c_int = 19;
1036pub const TCP_REPAIR_QUEUE: c_int = 20;
1037pub const TCP_QUEUE_SEQ: c_int = 21;
1038pub const TCP_REPAIR_OPTIONS: c_int = 22;
1039pub const TCP_FASTOPEN: c_int = 23;
1040pub const TCP_TIMESTAMP: c_int = 24;
1041pub const TCP_NOTSENT_LOWAT: c_int = 25;
1042pub const TCP_CC_INFO: c_int = 26;
1043pub const TCP_SAVE_SYN: c_int = 27;
1044pub const TCP_SAVED_SYN: c_int = 28;
1045cfg_if! {
1046    if #[cfg(not(target_os = "emscripten"))] {
1047        // NOTE: emscripten doesn't support these options yet.
1048
1049        pub const TCP_REPAIR_WINDOW: c_int = 29;
1050        pub const TCP_FASTOPEN_CONNECT: c_int = 30;
1051        pub const TCP_ULP: c_int = 31;
1052        pub const TCP_MD5SIG_EXT: c_int = 32;
1053        pub const TCP_FASTOPEN_KEY: c_int = 33;
1054        pub const TCP_FASTOPEN_NO_COOKIE: c_int = 34;
1055        pub const TCP_ZEROCOPY_RECEIVE: c_int = 35;
1056        pub const TCP_INQ: c_int = 36;
1057        pub const TCP_CM_INQ: c_int = TCP_INQ;
1058        // NOTE: Some CI images doesn't have this option yet.
1059        // pub const TCP_TX_DELAY: c_int = 37;
1060        pub const TCP_MD5SIG_MAXKEYLEN: usize = 80;
1061    }
1062}
1063
1064pub const SO_DEBUG: c_int = 1;
1065
1066pub const SHUT_RD: c_int = 0;
1067pub const SHUT_WR: c_int = 1;
1068pub const SHUT_RDWR: c_int = 2;
1069
1070pub const LOCK_SH: c_int = 1;
1071pub const LOCK_EX: c_int = 2;
1072pub const LOCK_NB: c_int = 4;
1073pub const LOCK_UN: c_int = 8;
1074
1075pub const SS_ONSTACK: c_int = 1;
1076pub const SS_DISABLE: c_int = 2;
1077
1078pub const PATH_MAX: c_int = 4096;
1079
1080pub const UIO_MAXIOV: c_int = 1024;
1081
1082pub const FD_SETSIZE: usize = 1024;
1083
1084pub const EPOLLIN: c_int = 0x1;
1085pub const EPOLLPRI: c_int = 0x2;
1086pub const EPOLLOUT: c_int = 0x4;
1087pub const EPOLLERR: c_int = 0x8;
1088pub const EPOLLHUP: c_int = 0x10;
1089pub const EPOLLRDNORM: c_int = 0x40;
1090pub const EPOLLRDBAND: c_int = 0x80;
1091pub const EPOLLWRNORM: c_int = 0x100;
1092pub const EPOLLWRBAND: c_int = 0x200;
1093pub const EPOLLMSG: c_int = 0x400;
1094pub const EPOLLRDHUP: c_int = 0x2000;
1095pub const EPOLLEXCLUSIVE: c_int = 0x10000000;
1096pub const EPOLLWAKEUP: c_int = 0x20000000;
1097pub const EPOLLONESHOT: c_int = 0x40000000;
1098pub const EPOLLET: c_int = 0x80000000;
1099
1100pub const EPOLL_CTL_ADD: c_int = 1;
1101pub const EPOLL_CTL_MOD: c_int = 3;
1102pub const EPOLL_CTL_DEL: c_int = 2;
1103
1104pub const MNT_FORCE: c_int = 0x1;
1105pub const MNT_DETACH: c_int = 0x2;
1106pub const MNT_EXPIRE: c_int = 0x4;
1107pub const UMOUNT_NOFOLLOW: c_int = 0x8;
1108
1109pub const Q_GETFMT: c_int = 0x800004;
1110pub const Q_GETINFO: c_int = 0x800005;
1111pub const Q_SETINFO: c_int = 0x800006;
1112pub const QIF_BLIMITS: u32 = 1;
1113pub const QIF_SPACE: u32 = 2;
1114pub const QIF_ILIMITS: u32 = 4;
1115pub const QIF_INODES: u32 = 8;
1116pub const QIF_BTIME: u32 = 16;
1117pub const QIF_ITIME: u32 = 32;
1118pub const QIF_LIMITS: u32 = 5;
1119pub const QIF_USAGE: u32 = 10;
1120pub const QIF_TIMES: u32 = 48;
1121pub const QIF_ALL: u32 = 63;
1122
1123pub const Q_SYNC: c_int = 0x800001;
1124pub const Q_QUOTAON: c_int = 0x800002;
1125pub const Q_QUOTAOFF: c_int = 0x800003;
1126pub const Q_GETQUOTA: c_int = 0x800007;
1127pub const Q_SETQUOTA: c_int = 0x800008;
1128
1129pub const TCIOFF: c_int = 2;
1130pub const TCION: c_int = 3;
1131pub const TCOOFF: c_int = 0;
1132pub const TCOON: c_int = 1;
1133pub const TCIFLUSH: c_int = 0;
1134pub const TCOFLUSH: c_int = 1;
1135pub const TCIOFLUSH: c_int = 2;
1136pub const NL0: crate::tcflag_t = 0x00000000;
1137pub const NL1: crate::tcflag_t = 0x00000100;
1138pub const TAB0: crate::tcflag_t = 0x00000000;
1139pub const CR0: crate::tcflag_t = 0x00000000;
1140pub const FF0: crate::tcflag_t = 0x00000000;
1141pub const BS0: crate::tcflag_t = 0x00000000;
1142pub const VT0: crate::tcflag_t = 0x00000000;
1143pub const VERASE: usize = 2;
1144pub const VKILL: usize = 3;
1145pub const VINTR: usize = 0;
1146pub const VQUIT: usize = 1;
1147pub const VLNEXT: usize = 15;
1148pub const IGNBRK: crate::tcflag_t = 0x00000001;
1149pub const BRKINT: crate::tcflag_t = 0x00000002;
1150pub const IGNPAR: crate::tcflag_t = 0x00000004;
1151pub const PARMRK: crate::tcflag_t = 0x00000008;
1152pub const INPCK: crate::tcflag_t = 0x00000010;
1153pub const ISTRIP: crate::tcflag_t = 0x00000020;
1154pub const INLCR: crate::tcflag_t = 0x00000040;
1155pub const IGNCR: crate::tcflag_t = 0x00000080;
1156pub const ICRNL: crate::tcflag_t = 0x00000100;
1157pub const IXANY: crate::tcflag_t = 0x00000800;
1158pub const IMAXBEL: crate::tcflag_t = 0x00002000;
1159pub const OPOST: crate::tcflag_t = 0x1;
1160pub const CS5: crate::tcflag_t = 0x00000000;
1161pub const CRTSCTS: crate::tcflag_t = 0x80000000;
1162pub const ECHO: crate::tcflag_t = 0x00000008;
1163pub const OCRNL: crate::tcflag_t = 0o000010;
1164pub const ONOCR: crate::tcflag_t = 0o000020;
1165pub const ONLRET: crate::tcflag_t = 0o000040;
1166pub const OFILL: crate::tcflag_t = 0o000100;
1167pub const OFDEL: crate::tcflag_t = 0o000200;
1168
1169pub const CLONE_VM: c_int = 0x100;
1170pub const CLONE_FS: c_int = 0x200;
1171pub const CLONE_FILES: c_int = 0x400;
1172pub const CLONE_SIGHAND: c_int = 0x800;
1173pub const CLONE_PTRACE: c_int = 0x2000;
1174pub const CLONE_VFORK: c_int = 0x4000;
1175pub const CLONE_PARENT: c_int = 0x8000;
1176pub const CLONE_THREAD: c_int = 0x10000;
1177pub const CLONE_NEWNS: c_int = 0x20000;
1178pub const CLONE_SYSVSEM: c_int = 0x40000;
1179pub const CLONE_SETTLS: c_int = 0x80000;
1180pub const CLONE_PARENT_SETTID: c_int = 0x100000;
1181pub const CLONE_CHILD_CLEARTID: c_int = 0x200000;
1182pub const CLONE_DETACHED: c_int = 0x400000;
1183pub const CLONE_UNTRACED: c_int = 0x800000;
1184pub const CLONE_CHILD_SETTID: c_int = 0x01000000;
1185pub const CLONE_NEWCGROUP: c_int = 0x02000000;
1186pub const CLONE_NEWUTS: c_int = 0x04000000;
1187pub const CLONE_NEWIPC: c_int = 0x08000000;
1188pub const CLONE_NEWUSER: c_int = 0x10000000;
1189pub const CLONE_NEWPID: c_int = 0x20000000;
1190pub const CLONE_NEWNET: c_int = 0x40000000;
1191pub const CLONE_IO: c_int = 0x80000000;
1192
1193pub const WNOHANG: c_int = 0x00000001;
1194pub const WUNTRACED: c_int = 0x00000002;
1195pub const WSTOPPED: c_int = WUNTRACED;
1196pub const WEXITED: c_int = 0x00000004;
1197pub const WCONTINUED: c_int = 0x00000008;
1198pub const WNOWAIT: c_int = 0x01000000;
1199
1200// Options for personality(2).
1201pub const ADDR_NO_RANDOMIZE: c_int = 0x0040000;
1202pub const MMAP_PAGE_ZERO: c_int = 0x0100000;
1203pub const ADDR_COMPAT_LAYOUT: c_int = 0x0200000;
1204pub const READ_IMPLIES_EXEC: c_int = 0x0400000;
1205pub const ADDR_LIMIT_32BIT: c_int = 0x0800000;
1206pub const SHORT_INODE: c_int = 0x1000000;
1207pub const WHOLE_SECONDS: c_int = 0x2000000;
1208pub const STICKY_TIMEOUTS: c_int = 0x4000000;
1209pub const ADDR_LIMIT_3GB: c_int = 0x8000000;
1210
1211// Options set using PTRACE_SETOPTIONS.
1212pub const PTRACE_O_TRACESYSGOOD: c_int = 0x00000001;
1213pub const PTRACE_O_TRACEFORK: c_int = 0x00000002;
1214pub const PTRACE_O_TRACEVFORK: c_int = 0x00000004;
1215pub const PTRACE_O_TRACECLONE: c_int = 0x00000008;
1216pub const PTRACE_O_TRACEEXEC: c_int = 0x00000010;
1217pub const PTRACE_O_TRACEVFORKDONE: c_int = 0x00000020;
1218pub const PTRACE_O_TRACEEXIT: c_int = 0x00000040;
1219pub const PTRACE_O_TRACESECCOMP: c_int = 0x00000080;
1220pub const PTRACE_O_SUSPEND_SECCOMP: c_int = 0x00200000;
1221pub const PTRACE_O_EXITKILL: c_int = 0x00100000;
1222pub const PTRACE_O_MASK: c_int = 0x003000ff;
1223
1224// Wait extended result codes for the above trace options.
1225pub const PTRACE_EVENT_FORK: c_int = 1;
1226pub const PTRACE_EVENT_VFORK: c_int = 2;
1227pub const PTRACE_EVENT_CLONE: c_int = 3;
1228pub const PTRACE_EVENT_EXEC: c_int = 4;
1229pub const PTRACE_EVENT_VFORK_DONE: c_int = 5;
1230pub const PTRACE_EVENT_EXIT: c_int = 6;
1231pub const PTRACE_EVENT_SECCOMP: c_int = 7;
1232
1233pub const __WNOTHREAD: c_int = 0x20000000;
1234pub const __WALL: c_int = 0x40000000;
1235pub const __WCLONE: c_int = 0x80000000;
1236
1237pub const SPLICE_F_MOVE: c_uint = 0x01;
1238pub const SPLICE_F_NONBLOCK: c_uint = 0x02;
1239pub const SPLICE_F_MORE: c_uint = 0x04;
1240pub const SPLICE_F_GIFT: c_uint = 0x08;
1241
1242pub const RTLD_LOCAL: c_int = 0;
1243pub const RTLD_LAZY: c_int = 1;
1244
1245pub const POSIX_FADV_NORMAL: c_int = 0;
1246pub const POSIX_FADV_RANDOM: c_int = 1;
1247pub const POSIX_FADV_SEQUENTIAL: c_int = 2;
1248pub const POSIX_FADV_WILLNEED: c_int = 3;
1249
1250pub const AT_FDCWD: c_int = -100;
1251pub const AT_SYMLINK_NOFOLLOW: c_int = 0x100;
1252pub const AT_REMOVEDIR: c_int = 0x200;
1253pub const AT_SYMLINK_FOLLOW: c_int = 0x400;
1254pub const AT_NO_AUTOMOUNT: c_int = 0x800;
1255pub const AT_EMPTY_PATH: c_int = 0x1000;
1256pub const AT_RECURSIVE: c_int = 0x8000;
1257
1258pub const LOG_CRON: c_int = 9 << 3;
1259pub const LOG_AUTHPRIV: c_int = 10 << 3;
1260pub const LOG_FTP: c_int = 11 << 3;
1261pub const LOG_PERROR: c_int = 0x20;
1262
1263pub const PIPE_BUF: usize = 4096;
1264
1265pub const SI_LOAD_SHIFT: c_uint = 16;
1266
1267// si_code values
1268pub const SI_USER: c_int = 0;
1269pub const SI_KERNEL: c_int = 0x80;
1270pub const SI_QUEUE: c_int = -1;
1271cfg_if! {
1272    if #[cfg(not(any(target_arch = "mips", target_arch = "mips32r6")))] {
1273        pub const SI_TIMER: c_int = -2;
1274        pub const SI_MESGQ: c_int = -3;
1275        pub const SI_ASYNCIO: c_int = -4;
1276    } else {
1277        pub const SI_TIMER: c_int = -3;
1278        pub const SI_MESGQ: c_int = -4;
1279        pub const SI_ASYNCIO: c_int = -2;
1280    }
1281}
1282pub const SI_SIGIO: c_int = -5;
1283pub const SI_TKILL: c_int = -6;
1284pub const SI_ASYNCNL: c_int = -60;
1285
1286// si_code values for SIGBUS signal
1287pub const BUS_ADRALN: c_int = 1;
1288pub const BUS_ADRERR: c_int = 2;
1289pub const BUS_OBJERR: c_int = 3;
1290// Linux-specific si_code values for SIGBUS signal
1291pub const BUS_MCEERR_AR: c_int = 4;
1292pub const BUS_MCEERR_AO: c_int = 5;
1293
1294// si_code values for SIGTRAP
1295pub const TRAP_BRKPT: c_int = 1;
1296pub const TRAP_TRACE: c_int = 2;
1297pub const TRAP_BRANCH: c_int = 3;
1298pub const TRAP_HWBKPT: c_int = 4;
1299pub const TRAP_UNK: c_int = 5;
1300
1301// si_code values for SIGCHLD signal
1302pub const CLD_EXITED: c_int = 1;
1303pub const CLD_KILLED: c_int = 2;
1304pub const CLD_DUMPED: c_int = 3;
1305pub const CLD_TRAPPED: c_int = 4;
1306pub const CLD_STOPPED: c_int = 5;
1307pub const CLD_CONTINUED: c_int = 6;
1308
1309pub const SIGEV_SIGNAL: c_int = 0;
1310pub const SIGEV_NONE: c_int = 1;
1311pub const SIGEV_THREAD: c_int = 2;
1312
1313pub const P_ALL: idtype_t = 0;
1314pub const P_PID: idtype_t = 1;
1315pub const P_PGID: idtype_t = 2;
1316cfg_if! {
1317    if #[cfg(not(target_os = "emscripten"))] {
1318        pub const P_PIDFD: idtype_t = 3;
1319    }
1320}
1321
1322pub const UTIME_OMIT: c_long = 1073741822;
1323pub const UTIME_NOW: c_long = 1073741823;
1324
1325pub const POLLIN: c_short = 0x1;
1326pub const POLLPRI: c_short = 0x2;
1327pub const POLLOUT: c_short = 0x4;
1328pub const POLLERR: c_short = 0x8;
1329pub const POLLHUP: c_short = 0x10;
1330pub const POLLNVAL: c_short = 0x20;
1331pub const POLLRDNORM: c_short = 0x040;
1332pub const POLLRDBAND: c_short = 0x080;
1333#[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
1334pub const POLLRDHUP: c_short = 0x2000;
1335#[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
1336pub const POLLRDHUP: c_short = 0x800;
1337
1338pub const IPTOS_LOWDELAY: u8 = 0x10;
1339pub const IPTOS_THROUGHPUT: u8 = 0x08;
1340pub const IPTOS_RELIABILITY: u8 = 0x04;
1341pub const IPTOS_MINCOST: u8 = 0x02;
1342
1343pub const IPTOS_PREC_NETCONTROL: u8 = 0xe0;
1344pub const IPTOS_PREC_INTERNETCONTROL: u8 = 0xc0;
1345pub const IPTOS_PREC_CRITIC_ECP: u8 = 0xa0;
1346pub const IPTOS_PREC_FLASHOVERRIDE: u8 = 0x80;
1347pub const IPTOS_PREC_FLASH: u8 = 0x60;
1348pub const IPTOS_PREC_IMMEDIATE: u8 = 0x40;
1349pub const IPTOS_PREC_PRIORITY: u8 = 0x20;
1350pub const IPTOS_PREC_ROUTINE: u8 = 0x00;
1351
1352pub const IPTOS_ECN_MASK: u8 = 0x03;
1353pub const IPTOS_ECN_ECT1: u8 = 0x01;
1354pub const IPTOS_ECN_ECT0: u8 = 0x02;
1355pub const IPTOS_ECN_CE: u8 = 0x03;
1356
1357pub const IPOPT_COPY: u8 = 0x80;
1358pub const IPOPT_CLASS_MASK: u8 = 0x60;
1359pub const IPOPT_NUMBER_MASK: u8 = 0x1f;
1360
1361pub const IPOPT_CONTROL: u8 = 0x00;
1362pub const IPOPT_RESERVED1: u8 = 0x20;
1363pub const IPOPT_MEASUREMENT: u8 = 0x40;
1364pub const IPOPT_RESERVED2: u8 = 0x60;
1365pub const IPOPT_END: u8 = 0 | IPOPT_CONTROL;
1366pub const IPOPT_NOOP: u8 = 1 | IPOPT_CONTROL;
1367pub const IPOPT_SEC: u8 = 2 | IPOPT_CONTROL | IPOPT_COPY;
1368pub const IPOPT_LSRR: u8 = 3 | IPOPT_CONTROL | IPOPT_COPY;
1369pub const IPOPT_TIMESTAMP: u8 = 4 | IPOPT_MEASUREMENT;
1370pub const IPOPT_RR: u8 = 7 | IPOPT_CONTROL;
1371pub const IPOPT_SID: u8 = 8 | IPOPT_CONTROL | IPOPT_COPY;
1372pub const IPOPT_SSRR: u8 = 9 | IPOPT_CONTROL | IPOPT_COPY;
1373pub const IPOPT_RA: u8 = 20 | IPOPT_CONTROL | IPOPT_COPY;
1374pub const IPVERSION: u8 = 4;
1375pub const MAXTTL: u8 = 255;
1376pub const IPDEFTTL: u8 = 64;
1377pub const IPOPT_OPTVAL: u8 = 0;
1378pub const IPOPT_OLEN: u8 = 1;
1379pub const IPOPT_OFFSET: u8 = 2;
1380pub const IPOPT_MINOFF: u8 = 4;
1381pub const MAX_IPOPTLEN: u8 = 40;
1382pub const IPOPT_NOP: u8 = IPOPT_NOOP;
1383pub const IPOPT_EOL: u8 = IPOPT_END;
1384pub const IPOPT_TS: u8 = IPOPT_TIMESTAMP;
1385pub const IPOPT_TS_TSONLY: u8 = 0;
1386pub const IPOPT_TS_TSANDADDR: u8 = 1;
1387pub const IPOPT_TS_PRESPEC: u8 = 3;
1388
1389pub const ARPOP_RREQUEST: u16 = 3;
1390pub const ARPOP_RREPLY: u16 = 4;
1391pub const ARPOP_InREQUEST: u16 = 8;
1392pub const ARPOP_InREPLY: u16 = 9;
1393pub const ARPOP_NAK: u16 = 10;
1394
1395pub const ATF_NETMASK: c_int = 0x20;
1396pub const ATF_DONTPUB: c_int = 0x40;
1397
1398pub const ARPHRD_NETROM: u16 = 0;
1399pub const ARPHRD_ETHER: u16 = 1;
1400pub const ARPHRD_EETHER: u16 = 2;
1401pub const ARPHRD_AX25: u16 = 3;
1402pub const ARPHRD_PRONET: u16 = 4;
1403pub const ARPHRD_CHAOS: u16 = 5;
1404pub const ARPHRD_IEEE802: u16 = 6;
1405pub const ARPHRD_ARCNET: u16 = 7;
1406pub const ARPHRD_APPLETLK: u16 = 8;
1407pub const ARPHRD_DLCI: u16 = 15;
1408pub const ARPHRD_ATM: u16 = 19;
1409pub const ARPHRD_METRICOM: u16 = 23;
1410pub const ARPHRD_IEEE1394: u16 = 24;
1411pub const ARPHRD_EUI64: u16 = 27;
1412pub const ARPHRD_INFINIBAND: u16 = 32;
1413
1414pub const ARPHRD_SLIP: u16 = 256;
1415pub const ARPHRD_CSLIP: u16 = 257;
1416pub const ARPHRD_SLIP6: u16 = 258;
1417pub const ARPHRD_CSLIP6: u16 = 259;
1418pub const ARPHRD_RSRVD: u16 = 260;
1419pub const ARPHRD_ADAPT: u16 = 264;
1420pub const ARPHRD_ROSE: u16 = 270;
1421pub const ARPHRD_X25: u16 = 271;
1422pub const ARPHRD_HWX25: u16 = 272;
1423pub const ARPHRD_CAN: u16 = 280;
1424pub const ARPHRD_PPP: u16 = 512;
1425pub const ARPHRD_CISCO: u16 = 513;
1426pub const ARPHRD_HDLC: u16 = ARPHRD_CISCO;
1427pub const ARPHRD_LAPB: u16 = 516;
1428pub const ARPHRD_DDCMP: u16 = 517;
1429pub const ARPHRD_RAWHDLC: u16 = 518;
1430
1431pub const ARPHRD_TUNNEL: u16 = 768;
1432pub const ARPHRD_TUNNEL6: u16 = 769;
1433pub const ARPHRD_FRAD: u16 = 770;
1434pub const ARPHRD_SKIP: u16 = 771;
1435pub const ARPHRD_LOOPBACK: u16 = 772;
1436pub const ARPHRD_LOCALTLK: u16 = 773;
1437pub const ARPHRD_FDDI: u16 = 774;
1438pub const ARPHRD_BIF: u16 = 775;
1439pub const ARPHRD_SIT: u16 = 776;
1440pub const ARPHRD_IPDDP: u16 = 777;
1441pub const ARPHRD_IPGRE: u16 = 778;
1442pub const ARPHRD_PIMREG: u16 = 779;
1443pub const ARPHRD_HIPPI: u16 = 780;
1444pub const ARPHRD_ASH: u16 = 781;
1445pub const ARPHRD_ECONET: u16 = 782;
1446pub const ARPHRD_IRDA: u16 = 783;
1447pub const ARPHRD_FCPP: u16 = 784;
1448pub const ARPHRD_FCAL: u16 = 785;
1449pub const ARPHRD_FCPL: u16 = 786;
1450pub const ARPHRD_FCFABRIC: u16 = 787;
1451pub const ARPHRD_IEEE802_TR: u16 = 800;
1452pub const ARPHRD_IEEE80211: u16 = 801;
1453pub const ARPHRD_IEEE80211_PRISM: u16 = 802;
1454pub const ARPHRD_IEEE80211_RADIOTAP: u16 = 803;
1455pub const ARPHRD_IEEE802154: u16 = 804;
1456
1457pub const ARPHRD_VOID: u16 = 0xFFFF;
1458pub const ARPHRD_NONE: u16 = 0xFFFE;
1459
1460cfg_if! {
1461    if #[cfg(not(target_os = "emscripten"))] {
1462        // linux/if_tun.h
1463        /* TUNSETIFF ifr flags */
1464        pub const IFF_TUN: c_int = 0x0001;
1465        pub const IFF_TAP: c_int = 0x0002;
1466        pub const IFF_NAPI: c_int = 0x0010;
1467        pub const IFF_NAPI_FRAGS: c_int = 0x0020;
1468        // Used in TUNSETIFF to bring up tun/tap without carrier
1469        pub const IFF_NO_CARRIER: c_int = 0x0040;
1470        pub const IFF_NO_PI: c_int = 0x1000;
1471        // Read queue size
1472        pub const TUN_READQ_SIZE: c_short = 500;
1473        // TUN device type flags: deprecated. Use IFF_TUN/IFF_TAP instead.
1474        pub const TUN_TUN_DEV: c_short = crate::IFF_TUN as c_short;
1475        pub const TUN_TAP_DEV: c_short = crate::IFF_TAP as c_short;
1476        pub const TUN_TYPE_MASK: c_short = 0x000f;
1477        // This flag has no real effect
1478        pub const IFF_ONE_QUEUE: c_int = 0x2000;
1479        pub const IFF_VNET_HDR: c_int = 0x4000;
1480        pub const IFF_TUN_EXCL: c_int = 0x8000;
1481        pub const IFF_MULTI_QUEUE: c_int = 0x0100;
1482        pub const IFF_ATTACH_QUEUE: c_int = 0x0200;
1483        pub const IFF_DETACH_QUEUE: c_int = 0x0400;
1484        // read-only flag
1485        pub const IFF_PERSIST: c_int = 0x0800;
1486        pub const IFF_NOFILTER: c_int = 0x1000;
1487        // Socket options
1488        pub const TUN_TX_TIMESTAMP: c_int = 1;
1489        // Features for GSO (TUNSETOFFLOAD)
1490        pub const TUN_F_CSUM: c_uint = 0x01;
1491        pub const TUN_F_TSO4: c_uint = 0x02;
1492        pub const TUN_F_TSO6: c_uint = 0x04;
1493        pub const TUN_F_TSO_ECN: c_uint = 0x08;
1494        pub const TUN_F_UFO: c_uint = 0x10;
1495        pub const TUN_F_USO4: c_uint = 0x20;
1496        pub const TUN_F_USO6: c_uint = 0x40;
1497        // Protocol info prepended to the packets (when IFF_NO_PI is not set)
1498        pub const TUN_PKT_STRIP: c_int = 0x0001;
1499        // Accept all multicast packets
1500        pub const TUN_FLT_ALLMULTI: c_int = 0x0001;
1501        // Ioctl operation codes
1502        const T_TYPE: u32 = b'T' as u32;
1503        pub const TUNSETNOCSUM: Ioctl = _IOW::<c_int>(T_TYPE, 200);
1504        pub const TUNSETDEBUG: Ioctl = _IOW::<c_int>(T_TYPE, 201);
1505        pub const TUNSETIFF: Ioctl = _IOW::<c_int>(T_TYPE, 202);
1506        pub const TUNSETPERSIST: Ioctl = _IOW::<c_int>(T_TYPE, 203);
1507        pub const TUNSETOWNER: Ioctl = _IOW::<c_int>(T_TYPE, 204);
1508        pub const TUNSETLINK: Ioctl = _IOW::<c_int>(T_TYPE, 205);
1509        pub const TUNSETGROUP: Ioctl = _IOW::<c_int>(T_TYPE, 206);
1510        pub const TUNGETFEATURES: Ioctl = _IOR::<c_int>(T_TYPE, 207);
1511        pub const TUNSETOFFLOAD: Ioctl = _IOW::<c_int>(T_TYPE, 208);
1512        pub const TUNSETTXFILTER: Ioctl = _IOW::<c_int>(T_TYPE, 209);
1513        pub const TUNGETIFF: Ioctl = _IOR::<c_int>(T_TYPE, 210);
1514        pub const TUNGETSNDBUF: Ioctl = _IOR::<c_int>(T_TYPE, 211);
1515        pub const TUNSETSNDBUF: Ioctl = _IOW::<c_int>(T_TYPE, 212);
1516        pub const TUNATTACHFILTER: Ioctl = _IOW::<sock_fprog>(T_TYPE, 213);
1517        pub const TUNDETACHFILTER: Ioctl = _IOW::<sock_fprog>(T_TYPE, 214);
1518        pub const TUNGETVNETHDRSZ: Ioctl = _IOR::<c_int>(T_TYPE, 215);
1519        pub const TUNSETVNETHDRSZ: Ioctl = _IOW::<c_int>(T_TYPE, 216);
1520        pub const TUNSETQUEUE: Ioctl = _IOW::<c_int>(T_TYPE, 217);
1521        pub const TUNSETIFINDEX: Ioctl = _IOW::<c_int>(T_TYPE, 218);
1522        pub const TUNGETFILTER: Ioctl = _IOR::<sock_fprog>(T_TYPE, 219);
1523        pub const TUNSETVNETLE: Ioctl = _IOW::<c_int>(T_TYPE, 220);
1524        pub const TUNGETVNETLE: Ioctl = _IOR::<c_int>(T_TYPE, 221);
1525        pub const TUNSETVNETBE: Ioctl = _IOW::<c_int>(T_TYPE, 222);
1526        pub const TUNGETVNETBE: Ioctl = _IOR::<c_int>(T_TYPE, 223);
1527        pub const TUNSETSTEERINGEBPF: Ioctl = _IOR::<c_int>(T_TYPE, 224);
1528        pub const TUNSETFILTEREBPF: Ioctl = _IOR::<c_int>(T_TYPE, 225);
1529        pub const TUNSETCARRIER: Ioctl = _IOW::<c_int>(T_TYPE, 226);
1530        pub const TUNGETDEVNETNS: Ioctl = _IO(T_TYPE, 227);
1531
1532        // linux/fs.h
1533        pub const FS_IOC_GETFLAGS: Ioctl = _IOR::<c_long>('f' as u32, 1);
1534        pub const FS_IOC_SETFLAGS: Ioctl = _IOW::<c_long>('f' as u32, 2);
1535        pub const FS_IOC_GETVERSION: Ioctl = _IOR::<c_long>('v' as u32, 1);
1536        pub const FS_IOC_SETVERSION: Ioctl = _IOW::<c_long>('v' as u32, 2);
1537        pub const FS_IOC32_GETFLAGS: Ioctl = _IOR::<c_int>('f' as u32, 1);
1538        pub const FS_IOC32_SETFLAGS: Ioctl = _IOW::<c_int>('f' as u32, 2);
1539        pub const FS_IOC32_GETVERSION: Ioctl = _IOR::<c_int>('v' as u32, 1);
1540        pub const FS_IOC32_SETVERSION: Ioctl = _IOW::<c_int>('v' as u32, 2);
1541
1542        pub const FICLONE: Ioctl = _IOW::<c_int>(0x94, 9);
1543        pub const FICLONERANGE: Ioctl = _IOW::<crate::file_clone_range>(0x94, 13);
1544    }
1545}
1546
1547cfg_if! {
1548    if #[cfg(target_os = "emscripten")] {
1549        // Emscripten does not define any `*_SUPER_MAGIC` constants.
1550    } else if #[cfg(not(target_arch = "s390x"))] {
1551        pub const ADFS_SUPER_MAGIC: c_long = 0x0000adf5;
1552        pub const AFFS_SUPER_MAGIC: c_long = 0x0000adff;
1553        pub const AFS_SUPER_MAGIC: c_long = 0x5346414f;
1554        pub const AUTOFS_SUPER_MAGIC: c_long = 0x0187;
1555        pub const BPF_FS_MAGIC: c_long = 0xcafe4a11;
1556        pub const BTRFS_SUPER_MAGIC: c_long = 0x9123683e;
1557        pub const CGROUP2_SUPER_MAGIC: c_long = 0x63677270;
1558        pub const CGROUP_SUPER_MAGIC: c_long = 0x27e0eb;
1559        pub const CODA_SUPER_MAGIC: c_long = 0x73757245;
1560        pub const CRAMFS_MAGIC: c_long = 0x28cd3d45;
1561        pub const DEBUGFS_MAGIC: c_long = 0x64626720;
1562        pub const DEVPTS_SUPER_MAGIC: c_long = 0x1cd1;
1563        pub const ECRYPTFS_SUPER_MAGIC: c_long = 0xf15f;
1564        pub const EFS_SUPER_MAGIC: c_long = 0x00414a53;
1565        pub const EXT2_SUPER_MAGIC: c_long = 0x0000ef53;
1566        pub const EXT3_SUPER_MAGIC: c_long = 0x0000ef53;
1567        pub const EXT4_SUPER_MAGIC: c_long = 0x0000ef53;
1568        pub const F2FS_SUPER_MAGIC: c_long = 0xf2f52010;
1569        pub const FUSE_SUPER_MAGIC: c_long = 0x65735546;
1570        pub const FUTEXFS_SUPER_MAGIC: c_long = 0xbad1dea;
1571        pub const HOSTFS_SUPER_MAGIC: c_long = 0x00c0ffee;
1572        pub const HPFS_SUPER_MAGIC: c_long = 0xf995e849;
1573        pub const HUGETLBFS_MAGIC: c_long = 0x958458f6;
1574        pub const ISOFS_SUPER_MAGIC: c_long = 0x00009660;
1575        pub const JFFS2_SUPER_MAGIC: c_long = 0x000072b6;
1576        pub const MINIX2_SUPER_MAGIC2: c_long = 0x00002478;
1577        pub const MINIX2_SUPER_MAGIC: c_long = 0x00002468;
1578        pub const MINIX3_SUPER_MAGIC: c_long = 0x4d5a;
1579        pub const MINIX_SUPER_MAGIC2: c_long = 0x0000138f;
1580        pub const MINIX_SUPER_MAGIC: c_long = 0x0000137f;
1581        pub const MSDOS_SUPER_MAGIC: c_long = 0x00004d44;
1582        pub const NCP_SUPER_MAGIC: c_long = 0x0000564c;
1583        pub const NFS_SUPER_MAGIC: c_long = 0x00006969;
1584        pub const NILFS_SUPER_MAGIC: c_long = 0x3434;
1585        pub const OCFS2_SUPER_MAGIC: c_long = 0x7461636f;
1586        pub const OPENPROM_SUPER_MAGIC: c_long = 0x00009fa1;
1587        pub const OVERLAYFS_SUPER_MAGIC: c_long = 0x794c7630;
1588        pub const PROC_SUPER_MAGIC: c_long = 0x00009fa0;
1589        pub const QNX4_SUPER_MAGIC: c_long = 0x0000002f;
1590        pub const QNX6_SUPER_MAGIC: c_long = 0x68191122;
1591        pub const RDTGROUP_SUPER_MAGIC: c_long = 0x7655821;
1592        pub const REISERFS_SUPER_MAGIC: c_long = 0x52654973;
1593        pub const SECURITYFS_MAGIC: c_long = 0x73636673;
1594        pub const SELINUX_MAGIC: c_long = 0xf97cff8c;
1595        pub const SMACK_MAGIC: c_long = 0x43415d53;
1596        pub const SMB_SUPER_MAGIC: c_long = 0x0000517b;
1597        pub const SYSFS_MAGIC: c_long = 0x62656572;
1598        pub const TMPFS_MAGIC: c_long = 0x01021994;
1599        pub const TRACEFS_MAGIC: c_long = 0x74726163;
1600        pub const UDF_SUPER_MAGIC: c_long = 0x15013346;
1601        pub const USBDEVICE_SUPER_MAGIC: c_long = 0x00009fa2;
1602        pub const XENFS_SUPER_MAGIC: c_long = 0xabba1974;
1603        pub const NSFS_MAGIC: c_long = 0x6e736673;
1604    } else if #[cfg(target_arch = "s390x")] {
1605        pub const ADFS_SUPER_MAGIC: c_uint = 0x0000adf5;
1606        pub const AFFS_SUPER_MAGIC: c_uint = 0x0000adff;
1607        pub const AFS_SUPER_MAGIC: c_uint = 0x5346414f;
1608        pub const AUTOFS_SUPER_MAGIC: c_uint = 0x0187;
1609        pub const BPF_FS_MAGIC: c_uint = 0xcafe4a11;
1610        pub const BTRFS_SUPER_MAGIC: c_uint = 0x9123683e;
1611        pub const CGROUP2_SUPER_MAGIC: c_uint = 0x63677270;
1612        pub const CGROUP_SUPER_MAGIC: c_uint = 0x27e0eb;
1613        pub const CODA_SUPER_MAGIC: c_uint = 0x73757245;
1614        pub const CRAMFS_MAGIC: c_uint = 0x28cd3d45;
1615        pub const DEBUGFS_MAGIC: c_uint = 0x64626720;
1616        pub const DEVPTS_SUPER_MAGIC: c_uint = 0x1cd1;
1617        pub const ECRYPTFS_SUPER_MAGIC: c_uint = 0xf15f;
1618        pub const EFS_SUPER_MAGIC: c_uint = 0x00414a53;
1619        pub const EXT2_SUPER_MAGIC: c_uint = 0x0000ef53;
1620        pub const EXT3_SUPER_MAGIC: c_uint = 0x0000ef53;
1621        pub const EXT4_SUPER_MAGIC: c_uint = 0x0000ef53;
1622        pub const F2FS_SUPER_MAGIC: c_uint = 0xf2f52010;
1623        pub const FUSE_SUPER_MAGIC: c_uint = 0x65735546;
1624        pub const FUTEXFS_SUPER_MAGIC: c_uint = 0xbad1dea;
1625        pub const HOSTFS_SUPER_MAGIC: c_uint = 0x00c0ffee;
1626        pub const HPFS_SUPER_MAGIC: c_uint = 0xf995e849;
1627        pub const HUGETLBFS_MAGIC: c_uint = 0x958458f6;
1628        pub const ISOFS_SUPER_MAGIC: c_uint = 0x00009660;
1629        pub const JFFS2_SUPER_MAGIC: c_uint = 0x000072b6;
1630        pub const MINIX2_SUPER_MAGIC2: c_uint = 0x00002478;
1631        pub const MINIX2_SUPER_MAGIC: c_uint = 0x00002468;
1632        pub const MINIX3_SUPER_MAGIC: c_uint = 0x4d5a;
1633        pub const MINIX_SUPER_MAGIC2: c_uint = 0x0000138f;
1634        pub const MINIX_SUPER_MAGIC: c_uint = 0x0000137f;
1635        pub const MSDOS_SUPER_MAGIC: c_uint = 0x00004d44;
1636        pub const NCP_SUPER_MAGIC: c_uint = 0x0000564c;
1637        pub const NFS_SUPER_MAGIC: c_uint = 0x00006969;
1638        pub const NILFS_SUPER_MAGIC: c_uint = 0x3434;
1639        pub const OCFS2_SUPER_MAGIC: c_uint = 0x7461636f;
1640        pub const OPENPROM_SUPER_MAGIC: c_uint = 0x00009fa1;
1641        pub const OVERLAYFS_SUPER_MAGIC: c_uint = 0x794c7630;
1642        pub const PROC_SUPER_MAGIC: c_uint = 0x00009fa0;
1643        pub const QNX4_SUPER_MAGIC: c_uint = 0x0000002f;
1644        pub const QNX6_SUPER_MAGIC: c_uint = 0x68191122;
1645        pub const RDTGROUP_SUPER_MAGIC: c_uint = 0x7655821;
1646        pub const REISERFS_SUPER_MAGIC: c_uint = 0x52654973;
1647        pub const SECURITYFS_MAGIC: c_uint = 0x73636673;
1648        pub const SELINUX_MAGIC: c_uint = 0xf97cff8c;
1649        pub const SMACK_MAGIC: c_uint = 0x43415d53;
1650        pub const SMB_SUPER_MAGIC: c_uint = 0x0000517b;
1651        pub const SYSFS_MAGIC: c_uint = 0x62656572;
1652        pub const TMPFS_MAGIC: c_uint = 0x01021994;
1653        pub const TRACEFS_MAGIC: c_uint = 0x74726163;
1654        pub const UDF_SUPER_MAGIC: c_uint = 0x15013346;
1655        pub const USBDEVICE_SUPER_MAGIC: c_uint = 0x00009fa2;
1656        pub const XENFS_SUPER_MAGIC: c_uint = 0xabba1974;
1657        pub const NSFS_MAGIC: c_uint = 0x6e736673;
1658    }
1659}
1660
1661cfg_if! {
1662    if #[cfg(any(target_env = "gnu", target_os = "android"))] {
1663        pub const AT_STATX_SYNC_TYPE: c_int = 0x6000;
1664        pub const AT_STATX_SYNC_AS_STAT: c_int = 0x0000;
1665        pub const AT_STATX_FORCE_SYNC: c_int = 0x2000;
1666        pub const AT_STATX_DONT_SYNC: c_int = 0x4000;
1667        pub const STATX_TYPE: c_uint = 0x0001;
1668        pub const STATX_MODE: c_uint = 0x0002;
1669        pub const STATX_NLINK: c_uint = 0x0004;
1670        pub const STATX_UID: c_uint = 0x0008;
1671        pub const STATX_GID: c_uint = 0x0010;
1672        pub const STATX_ATIME: c_uint = 0x0020;
1673        pub const STATX_MTIME: c_uint = 0x0040;
1674        pub const STATX_CTIME: c_uint = 0x0080;
1675        pub const STATX_INO: c_uint = 0x0100;
1676        pub const STATX_SIZE: c_uint = 0x0200;
1677        pub const STATX_BLOCKS: c_uint = 0x0400;
1678        pub const STATX_BASIC_STATS: c_uint = 0x07ff;
1679        pub const STATX_BTIME: c_uint = 0x0800;
1680        pub const STATX_ALL: c_uint = 0x0fff;
1681        pub const STATX_MNT_ID: c_uint = 0x1000;
1682        pub const STATX_DIOALIGN: c_uint = 0x2000;
1683        pub const STATX__RESERVED: c_int = 0x80000000;
1684        pub const STATX_ATTR_COMPRESSED: c_int = 0x0004;
1685        pub const STATX_ATTR_IMMUTABLE: c_int = 0x0010;
1686        pub const STATX_ATTR_APPEND: c_int = 0x0020;
1687        pub const STATX_ATTR_NODUMP: c_int = 0x0040;
1688        pub const STATX_ATTR_ENCRYPTED: c_int = 0x0800;
1689        pub const STATX_ATTR_AUTOMOUNT: c_int = 0x1000;
1690        pub const STATX_ATTR_MOUNT_ROOT: c_int = 0x2000;
1691        pub const STATX_ATTR_VERITY: c_int = 0x100000;
1692        pub const STATX_ATTR_DAX: c_int = 0x200000;
1693    }
1694}
1695
1696// https://github.com/search?q=repo%3Atorvalds%2Flinux+%22%23define+_IOC_NONE%22&type=code
1697cfg_if! {
1698    if #[cfg(not(target_os = "emscripten"))] {
1699        const _IOC_NRBITS: u32 = 8;
1700        const _IOC_TYPEBITS: u32 = 8;
1701
1702        cfg_if! {
1703            if #[cfg(any(
1704                any(target_arch = "powerpc", target_arch = "powerpc64"),
1705                any(target_arch = "sparc", target_arch = "sparc64"),
1706                any(target_arch = "mips", target_arch = "mips64"),
1707            ))] {
1708                // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/powerpc/include/uapi/asm/ioctl.h
1709                // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/sparc/include/uapi/asm/ioctl.h
1710                // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/arch/mips/include/uapi/asm/ioctl.h
1711
1712                const _IOC_SIZEBITS: u32 = 13;
1713                const _IOC_DIRBITS: u32 = 3;
1714
1715                const _IOC_NONE: u32 = 1;
1716                const _IOC_READ: u32 = 2;
1717                const _IOC_WRITE: u32 = 4;
1718            } else {
1719                // https://github.com/torvalds/linux/blob/b311c1b497e51a628aa89e7cb954481e5f9dced2/include/uapi/asm-generic/ioctl.h
1720
1721                const _IOC_SIZEBITS: u32 = 14;
1722                const _IOC_DIRBITS: u32 = 2;
1723
1724                const _IOC_NONE: u32 = 0;
1725                const _IOC_WRITE: u32 = 1;
1726                const _IOC_READ: u32 = 2;
1727            }
1728        }
1729        const _IOC_NRMASK: u32 = (1 << _IOC_NRBITS) - 1;
1730        const _IOC_TYPEMASK: u32 = (1 << _IOC_TYPEBITS) - 1;
1731        const _IOC_SIZEMASK: u32 = (1 << _IOC_SIZEBITS) - 1;
1732        const _IOC_DIRMASK: u32 = (1 << _IOC_DIRBITS) - 1;
1733
1734        const _IOC_NRSHIFT: u32 = 0;
1735        const _IOC_TYPESHIFT: u32 = _IOC_NRSHIFT + _IOC_NRBITS;
1736        const _IOC_SIZESHIFT: u32 = _IOC_TYPESHIFT + _IOC_TYPEBITS;
1737        const _IOC_DIRSHIFT: u32 = _IOC_SIZESHIFT + _IOC_SIZEBITS;
1738
1739        // adapted from https://github.com/torvalds/linux/blob/8a696a29c6905594e4abf78eaafcb62165ac61f1/rust/kernel/ioctl.rs
1740
1741        /// Build an ioctl number, analogous to the C macro of the same name.
1742        const fn _IOC(dir: u32, ty: u32, nr: u32, size: usize) -> Ioctl {
1743            // FIXME(ctest) the `garando_syntax` crate (used by ctest in the CI test suite)
1744            // cannot currently parse these `debug_assert!`s
1745            //
1746            // debug_assert!(dir <= _IOC_DIRMASK);
1747            // debug_assert!(ty <= _IOC_TYPEMASK);
1748            // debug_assert!(nr <= _IOC_NRMASK);
1749            // debug_assert!(size <= (_IOC_SIZEMASK as usize));
1750
1751            ((dir << _IOC_DIRSHIFT)
1752                | (ty << _IOC_TYPESHIFT)
1753                | (nr << _IOC_NRSHIFT)
1754                | ((size as u32) << _IOC_SIZESHIFT)) as Ioctl
1755        }
1756
1757        /// Build an ioctl number for an argumentless ioctl.
1758        pub const fn _IO(ty: u32, nr: u32) -> Ioctl {
1759            _IOC(_IOC_NONE, ty, nr, 0)
1760        }
1761
1762        /// Build an ioctl number for an read-only ioctl.
1763        pub const fn _IOR<T>(ty: u32, nr: u32) -> Ioctl {
1764            _IOC(_IOC_READ, ty, nr, mem::size_of::<T>())
1765        }
1766
1767        /// Build an ioctl number for an write-only ioctl.
1768        pub const fn _IOW<T>(ty: u32, nr: u32) -> Ioctl {
1769            _IOC(_IOC_WRITE, ty, nr, mem::size_of::<T>())
1770        }
1771
1772        /// Build an ioctl number for a read-write ioctl.
1773        pub const fn _IOWR<T>(ty: u32, nr: u32) -> Ioctl {
1774            _IOC(_IOC_READ | _IOC_WRITE, ty, nr, mem::size_of::<T>())
1775        }
1776
1777        extern "C" {
1778            #[cfg_attr(gnu_time_bits64, link_name = "__ioctl_time64")]
1779            pub fn ioctl(fd: c_int, request: Ioctl, ...) -> c_int;
1780        }
1781    }
1782}
1783
1784const_fn! {
1785    {const} fn CMSG_ALIGN(len: usize) -> usize {
1786        (len + mem::size_of::<usize>() - 1) & !(mem::size_of::<usize>() - 1)
1787    }
1788}
1789
1790f! {
1791    pub fn CMSG_FIRSTHDR(mhdr: *const msghdr) -> *mut cmsghdr {
1792        if (*mhdr).msg_controllen as usize >= mem::size_of::<cmsghdr>() {
1793            (*mhdr).msg_control.cast::<cmsghdr>()
1794        } else {
1795            core::ptr::null_mut::<cmsghdr>()
1796        }
1797    }
1798
1799    pub fn CMSG_DATA(cmsg: *const cmsghdr) -> *mut c_uchar {
1800        cmsg.offset(1) as *mut c_uchar
1801    }
1802
1803    pub {const} fn CMSG_SPACE(length: c_uint) -> c_uint {
1804        (CMSG_ALIGN(length as usize) + CMSG_ALIGN(mem::size_of::<cmsghdr>())) as c_uint
1805    }
1806
1807    pub {const} fn CMSG_LEN(length: c_uint) -> c_uint {
1808        CMSG_ALIGN(mem::size_of::<cmsghdr>()) as c_uint + length
1809    }
1810
1811    pub fn FD_CLR(fd: c_int, set: *mut fd_set) -> () {
1812        let fd = fd as usize;
1813        let size = mem::size_of_val(&(*set).fds_bits[0]) * 8;
1814        (*set).fds_bits[fd / size] &= !(1 << (fd % size));
1815        return;
1816    }
1817
1818    pub fn FD_ISSET(fd: c_int, set: *const fd_set) -> bool {
1819        let fd = fd as usize;
1820        let size = mem::size_of_val(&(*set).fds_bits[0]) * 8;
1821        return ((*set).fds_bits[fd / size] & (1 << (fd % size))) != 0;
1822    }
1823
1824    pub fn FD_SET(fd: c_int, set: *mut fd_set) -> () {
1825        let fd = fd as usize;
1826        let size = mem::size_of_val(&(*set).fds_bits[0]) * 8;
1827        (*set).fds_bits[fd / size] |= 1 << (fd % size);
1828        return;
1829    }
1830
1831    pub fn FD_ZERO(set: *mut fd_set) -> () {
1832        for slot in &mut (*set).fds_bits {
1833            *slot = 0;
1834        }
1835    }
1836}
1837
1838safe_f! {
1839    pub fn SIGRTMAX() -> c_int {
1840        unsafe { __libc_current_sigrtmax() }
1841    }
1842
1843    pub fn SIGRTMIN() -> c_int {
1844        unsafe { __libc_current_sigrtmin() }
1845    }
1846
1847    pub {const} fn WIFSTOPPED(status: c_int) -> bool {
1848        (status & 0xff) == 0x7f
1849    }
1850
1851    pub {const} fn WSTOPSIG(status: c_int) -> c_int {
1852        (status >> 8) & 0xff
1853    }
1854
1855    pub {const} fn WIFCONTINUED(status: c_int) -> bool {
1856        status == 0xffff
1857    }
1858
1859    pub {const} fn WIFSIGNALED(status: c_int) -> bool {
1860        ((status & 0x7f) + 1) as i8 >= 2
1861    }
1862
1863    pub {const} fn WTERMSIG(status: c_int) -> c_int {
1864        status & 0x7f
1865    }
1866
1867    pub {const} fn WIFEXITED(status: c_int) -> bool {
1868        (status & 0x7f) == 0
1869    }
1870
1871    pub {const} fn WEXITSTATUS(status: c_int) -> c_int {
1872        (status >> 8) & 0xff
1873    }
1874
1875    pub {const} fn WCOREDUMP(status: c_int) -> bool {
1876        (status & 0x80) != 0
1877    }
1878
1879    pub {const} fn W_EXITCODE(ret: c_int, sig: c_int) -> c_int {
1880        (ret << 8) | sig
1881    }
1882
1883    pub {const} fn W_STOPCODE(sig: c_int) -> c_int {
1884        (sig << 8) | 0x7f
1885    }
1886
1887    pub {const} fn QCMD(cmd: c_int, type_: c_int) -> c_int {
1888        (cmd << 8) | (type_ & 0x00ff)
1889    }
1890
1891    pub {const} fn IPOPT_COPIED(o: u8) -> u8 {
1892        o & IPOPT_COPY
1893    }
1894
1895    pub {const} fn IPOPT_CLASS(o: u8) -> u8 {
1896        o & IPOPT_CLASS_MASK
1897    }
1898
1899    pub {const} fn IPOPT_NUMBER(o: u8) -> u8 {
1900        o & IPOPT_NUMBER_MASK
1901    }
1902
1903    pub {const} fn IPTOS_ECN(x: u8) -> u8 {
1904        x & crate::IPTOS_ECN_MASK
1905    }
1906
1907    #[allow(ellipsis_inclusive_range_patterns)]
1908    pub {const} fn KERNEL_VERSION(a: u32, b: u32, c: u32) -> u32 {
1909        ((a << 16) + (b << 8)) + if c > 255 { 255 } else { c }
1910    }
1911}
1912
1913extern "C" {
1914    #[doc(hidden)]
1915    pub fn __libc_current_sigrtmax() -> c_int;
1916    #[doc(hidden)]
1917    pub fn __libc_current_sigrtmin() -> c_int;
1918
1919    pub fn sem_destroy(sem: *mut sem_t) -> c_int;
1920    pub fn sem_init(sem: *mut sem_t, pshared: c_int, value: c_uint) -> c_int;
1921    pub fn fdatasync(fd: c_int) -> c_int;
1922    pub fn mincore(addr: *mut c_void, len: size_t, vec: *mut c_uchar) -> c_int;
1923
1924    #[cfg_attr(gnu_time_bits64, link_name = "__clock_getres64")]
1925    pub fn clock_getres(clk_id: crate::clockid_t, tp: *mut crate::timespec) -> c_int;
1926    #[cfg_attr(gnu_time_bits64, link_name = "__clock_gettime64")]
1927    pub fn clock_gettime(clk_id: crate::clockid_t, tp: *mut crate::timespec) -> c_int;
1928    #[cfg_attr(gnu_time_bits64, link_name = "__clock_settime64")]
1929    pub fn clock_settime(clk_id: crate::clockid_t, tp: *const crate::timespec) -> c_int;
1930    pub fn clock_getcpuclockid(pid: crate::pid_t, clk_id: *mut crate::clockid_t) -> c_int;
1931
1932    pub fn dirfd(dirp: *mut crate::DIR) -> c_int;
1933
1934    pub fn pthread_getattr_np(native: crate::pthread_t, attr: *mut crate::pthread_attr_t) -> c_int;
1935    pub fn pthread_attr_getstack(
1936        attr: *const crate::pthread_attr_t,
1937        stackaddr: *mut *mut c_void,
1938        stacksize: *mut size_t,
1939    ) -> c_int;
1940    pub fn pthread_attr_setstack(
1941        attr: *mut crate::pthread_attr_t,
1942        stackaddr: *mut c_void,
1943        stacksize: size_t,
1944    ) -> c_int;
1945    pub fn memalign(align: size_t, size: size_t) -> *mut c_void;
1946    pub fn setgroups(ngroups: size_t, ptr: *const crate::gid_t) -> c_int;
1947    pub fn pipe2(fds: *mut c_int, flags: c_int) -> c_int;
1948    #[cfg_attr(gnu_file_offset_bits64, link_name = "statfs64")]
1949    pub fn statfs(path: *const c_char, buf: *mut statfs) -> c_int;
1950    #[cfg_attr(gnu_file_offset_bits64, link_name = "fstatfs64")]
1951    pub fn fstatfs(fd: c_int, buf: *mut statfs) -> c_int;
1952    pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
1953    #[cfg_attr(gnu_file_offset_bits64, link_name = "posix_fadvise64")]
1954    pub fn posix_fadvise(fd: c_int, offset: off_t, len: off_t, advise: c_int) -> c_int;
1955    #[cfg_attr(gnu_time_bits64, link_name = "__futimens64")]
1956    pub fn futimens(fd: c_int, times: *const crate::timespec) -> c_int;
1957    #[cfg_attr(gnu_time_bits64, link_name = "__utimensat64")]
1958    pub fn utimensat(
1959        dirfd: c_int,
1960        path: *const c_char,
1961        times: *const crate::timespec,
1962        flag: c_int,
1963    ) -> c_int;
1964    pub fn duplocale(base: crate::locale_t) -> crate::locale_t;
1965    pub fn freelocale(loc: crate::locale_t);
1966    pub fn newlocale(mask: c_int, locale: *const c_char, base: crate::locale_t) -> crate::locale_t;
1967    pub fn uselocale(loc: crate::locale_t) -> crate::locale_t;
1968    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
1969    pub fn pthread_condattr_getclock(
1970        attr: *const pthread_condattr_t,
1971        clock_id: *mut clockid_t,
1972    ) -> c_int;
1973    pub fn pthread_condattr_setclock(
1974        attr: *mut pthread_condattr_t,
1975        clock_id: crate::clockid_t,
1976    ) -> c_int;
1977    pub fn pthread_condattr_setpshared(attr: *mut pthread_condattr_t, pshared: c_int) -> c_int;
1978    pub fn pthread_mutexattr_setpshared(attr: *mut pthread_mutexattr_t, pshared: c_int) -> c_int;
1979    pub fn pthread_rwlockattr_getpshared(
1980        attr: *const pthread_rwlockattr_t,
1981        val: *mut c_int,
1982    ) -> c_int;
1983    pub fn pthread_rwlockattr_setpshared(attr: *mut pthread_rwlockattr_t, val: c_int) -> c_int;
1984    pub fn ptsname_r(fd: c_int, buf: *mut c_char, buflen: size_t) -> c_int;
1985    pub fn clearenv() -> c_int;
1986    pub fn waitid(
1987        idtype: idtype_t,
1988        id: id_t,
1989        infop: *mut crate::siginfo_t,
1990        options: c_int,
1991    ) -> c_int;
1992    pub fn getresuid(
1993        ruid: *mut crate::uid_t,
1994        euid: *mut crate::uid_t,
1995        suid: *mut crate::uid_t,
1996    ) -> c_int;
1997    pub fn getresgid(
1998        rgid: *mut crate::gid_t,
1999        egid: *mut crate::gid_t,
2000        sgid: *mut crate::gid_t,
2001    ) -> c_int;
2002    pub fn acct(filename: *const c_char) -> c_int;
2003    pub fn brk(addr: *mut c_void) -> c_int;
2004    pub fn sbrk(increment: intptr_t) -> *mut c_void;
2005    #[deprecated(
2006        since = "0.2.66",
2007        note = "causes memory corruption, see rust-lang/libc#1596"
2008    )]
2009    pub fn vfork() -> crate::pid_t;
2010    pub fn setresgid(rgid: crate::gid_t, egid: crate::gid_t, sgid: crate::gid_t) -> c_int;
2011    pub fn setresuid(ruid: crate::uid_t, euid: crate::uid_t, suid: crate::uid_t) -> c_int;
2012    #[cfg_attr(gnu_time_bits64, link_name = "__wait4_time64")]
2013    pub fn wait4(
2014        pid: crate::pid_t,
2015        status: *mut c_int,
2016        options: c_int,
2017        rusage: *mut crate::rusage,
2018    ) -> crate::pid_t;
2019    pub fn login_tty(fd: c_int) -> c_int;
2020
2021    // DIFF(main): changed to `*const *mut` in e77f551de9
2022    pub fn execvpe(
2023        file: *const c_char,
2024        argv: *const *const c_char,
2025        envp: *const *const c_char,
2026    ) -> c_int;
2027    pub fn fexecve(fd: c_int, argv: *const *const c_char, envp: *const *const c_char) -> c_int;
2028
2029    pub fn getifaddrs(ifap: *mut *mut crate::ifaddrs) -> c_int;
2030    pub fn freeifaddrs(ifa: *mut crate::ifaddrs);
2031    pub fn bind(
2032        socket: c_int,
2033        address: *const crate::sockaddr,
2034        address_len: crate::socklen_t,
2035    ) -> c_int;
2036
2037    pub fn writev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
2038    pub fn readv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
2039
2040    #[cfg_attr(gnu_time_bits64, link_name = "__sendmsg64")]
2041    pub fn sendmsg(fd: c_int, msg: *const crate::msghdr, flags: c_int) -> ssize_t;
2042    #[cfg_attr(gnu_time_bits64, link_name = "__recvmsg64")]
2043    pub fn recvmsg(fd: c_int, msg: *mut crate::msghdr, flags: c_int) -> ssize_t;
2044    pub fn uname(buf: *mut crate::utsname) -> c_int;
2045
2046    pub fn strchrnul(s: *const c_char, c: c_int) -> *mut c_char;
2047
2048    pub fn strftime(
2049        s: *mut c_char,
2050        max: size_t,
2051        format: *const c_char,
2052        tm: *const crate::tm,
2053    ) -> size_t;
2054    pub fn strftime_l(
2055        s: *mut c_char,
2056        max: size_t,
2057        format: *const c_char,
2058        tm: *const crate::tm,
2059        locale: crate::locale_t,
2060    ) -> size_t;
2061    pub fn strptime(s: *const c_char, format: *const c_char, tm: *mut crate::tm) -> *mut c_char;
2062
2063    #[cfg_attr(gnu_file_offset_bits64, link_name = "mkostemp64")]
2064    pub fn mkostemp(template: *mut c_char, flags: c_int) -> c_int;
2065    #[cfg_attr(gnu_file_offset_bits64, link_name = "mkostemps64")]
2066    pub fn mkostemps(template: *mut c_char, suffixlen: c_int, flags: c_int) -> c_int;
2067
2068    pub fn getdomainname(name: *mut c_char, len: size_t) -> c_int;
2069    pub fn setdomainname(name: *const c_char, len: size_t) -> c_int;
2070}
2071
2072// LFS64 extensions
2073//
2074// * musl and Emscripten has 64-bit versions only so aliases the LFS64 symbols to the standard ones
2075// * ulibc doesn't have preadv64/pwritev64
2076cfg_if! {
2077    if #[cfg(not(any(target_env = "musl", target_os = "emscripten")))] {
2078        extern "C" {
2079            pub fn fstatfs64(fd: c_int, buf: *mut statfs64) -> c_int;
2080            pub fn statvfs64(path: *const c_char, buf: *mut statvfs64) -> c_int;
2081            pub fn fstatvfs64(fd: c_int, buf: *mut statvfs64) -> c_int;
2082            pub fn statfs64(path: *const c_char, buf: *mut statfs64) -> c_int;
2083            pub fn creat64(path: *const c_char, mode: mode_t) -> c_int;
2084            #[cfg_attr(gnu_time_bits64, link_name = "__fstat64_time64")]
2085            pub fn fstat64(fildes: c_int, buf: *mut stat64) -> c_int;
2086            #[cfg_attr(gnu_time_bits64, link_name = "__fstatat64_time64")]
2087            pub fn fstatat64(
2088                dirfd: c_int,
2089                pathname: *const c_char,
2090                buf: *mut stat64,
2091                flags: c_int,
2092            ) -> c_int;
2093            pub fn ftruncate64(fd: c_int, length: off64_t) -> c_int;
2094            pub fn lseek64(fd: c_int, offset: off64_t, whence: c_int) -> off64_t;
2095            #[cfg_attr(gnu_time_bits64, link_name = "__lstat64_time64")]
2096            pub fn lstat64(path: *const c_char, buf: *mut stat64) -> c_int;
2097            pub fn mmap64(
2098                addr: *mut c_void,
2099                len: size_t,
2100                prot: c_int,
2101                flags: c_int,
2102                fd: c_int,
2103                offset: off64_t,
2104            ) -> *mut c_void;
2105            pub fn open64(path: *const c_char, oflag: c_int, ...) -> c_int;
2106            pub fn openat64(fd: c_int, path: *const c_char, oflag: c_int, ...) -> c_int;
2107            pub fn posix_fadvise64(
2108                fd: c_int,
2109                offset: off64_t,
2110                len: off64_t,
2111                advise: c_int,
2112            ) -> c_int;
2113            pub fn pread64(fd: c_int, buf: *mut c_void, count: size_t, offset: off64_t) -> ssize_t;
2114            pub fn pwrite64(
2115                fd: c_int,
2116                buf: *const c_void,
2117                count: size_t,
2118                offset: off64_t,
2119            ) -> ssize_t;
2120            pub fn readdir64(dirp: *mut crate::DIR) -> *mut crate::dirent64;
2121            pub fn readdir64_r(
2122                dirp: *mut crate::DIR,
2123                entry: *mut crate::dirent64,
2124                result: *mut *mut crate::dirent64,
2125            ) -> c_int;
2126            #[cfg_attr(gnu_time_bits64, link_name = "__stat64_time64")]
2127            pub fn stat64(path: *const c_char, buf: *mut stat64) -> c_int;
2128            pub fn truncate64(path: *const c_char, length: off64_t) -> c_int;
2129        }
2130    }
2131}
2132
2133cfg_if! {
2134    if #[cfg(not(any(
2135        target_env = "uclibc",
2136        target_env = "musl",
2137        target_os = "emscripten"
2138    )))] {
2139        extern "C" {
2140            pub fn preadv64(
2141                fd: c_int,
2142                iov: *const crate::iovec,
2143                iovcnt: c_int,
2144                offset: off64_t,
2145            ) -> ssize_t;
2146            pub fn pwritev64(
2147                fd: c_int,
2148                iov: *const crate::iovec,
2149                iovcnt: c_int,
2150                offset: off64_t,
2151            ) -> ssize_t;
2152        }
2153    }
2154}
2155
2156cfg_if! {
2157    if #[cfg(not(target_env = "uclibc"))] {
2158        extern "C" {
2159            // uclibc has separate non-const version of this function
2160            pub fn forkpty(
2161                amaster: *mut c_int,
2162                name: *mut c_char,
2163                termp: *const termios,
2164                winp: *const crate::winsize,
2165            ) -> crate::pid_t;
2166            // uclibc has separate non-const version of this function
2167            pub fn openpty(
2168                amaster: *mut c_int,
2169                aslave: *mut c_int,
2170                name: *mut c_char,
2171                termp: *const termios,
2172                winp: *const crate::winsize,
2173            ) -> c_int;
2174        }
2175    }
2176}
2177
2178// The statx syscall, available on some libcs.
2179cfg_if! {
2180    if #[cfg(any(target_env = "gnu", target_os = "android"))] {
2181        extern "C" {
2182            pub fn statx(
2183                dirfd: c_int,
2184                pathname: *const c_char,
2185                flags: c_int,
2186                mask: c_uint,
2187                statxbuf: *mut statx,
2188            ) -> c_int;
2189        }
2190    }
2191}
2192
2193cfg_if! {
2194    if #[cfg(target_os = "emscripten")] {
2195        mod emscripten;
2196        pub use self::emscripten::*;
2197    } else if #[cfg(target_os = "linux")] {
2198        mod linux;
2199        pub use self::linux::*;
2200    } else if #[cfg(target_os = "l4re")] {
2201        mod linux;
2202        pub use self::linux::*;
2203    } else if #[cfg(target_os = "android")] {
2204        mod android;
2205        pub use self::android::*;
2206    } else {
2207        // Unknown target_os
2208    }
2209}