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

libc/unix/linux_like/
mod.rs
