libc/unix/bsd/
mod.rs

1use crate::prelude::*;
2
3pub type off_t = i64;
4pub type useconds_t = u32;
5pub type blkcnt_t = i64;
6pub type socklen_t = u32;
7pub type sa_family_t = u8;
8pub type pthread_t = crate::uintptr_t;
9pub type nfds_t = c_uint;
10pub type regoff_t = off_t;
11
12s! {
13    pub struct sockaddr {
14        pub sa_len: u8,
15        pub sa_family: sa_family_t,
16        pub sa_data: [c_char; 14],
17    }
18
19    pub struct sockaddr_in6 {
20        pub sin6_len: u8,
21        pub sin6_family: sa_family_t,
22        pub sin6_port: crate::in_port_t,
23        pub sin6_flowinfo: u32,
24        pub sin6_addr: crate::in6_addr,
25        pub sin6_scope_id: u32,
26    }
27
28    pub struct passwd {
29        pub pw_name: *mut c_char,
30        pub pw_passwd: *mut c_char,
31        pub pw_uid: crate::uid_t,
32        pub pw_gid: crate::gid_t,
33        pub pw_change: crate::time_t,
34        pub pw_class: *mut c_char,
35        pub pw_gecos: *mut c_char,
36        pub pw_dir: *mut c_char,
37        pub pw_shell: *mut c_char,
38        pub pw_expire: crate::time_t,
39
40        #[cfg(not(any(
41            target_os = "macos",
42            target_os = "ios",
43            target_os = "tvos",
44            target_os = "watchos",
45            target_os = "visionos",
46            target_os = "netbsd",
47            target_os = "openbsd"
48        )))]
49        pub pw_fields: c_int,
50    }
51
52    pub struct ifaddrs {
53        pub ifa_next: *mut ifaddrs,
54        pub ifa_name: *mut c_char,
55        pub ifa_flags: c_uint,
56        pub ifa_addr: *mut crate::sockaddr,
57        pub ifa_netmask: *mut crate::sockaddr,
58        pub ifa_dstaddr: *mut crate::sockaddr,
59        pub ifa_data: *mut c_void,
60        #[cfg(target_os = "netbsd")]
61        pub ifa_addrflags: c_uint,
62    }
63
64    pub struct fd_set {
65        #[cfg(all(
66            target_pointer_width = "64",
67            any(target_os = "freebsd", target_os = "dragonfly")
68        ))]
69        fds_bits: [i64; FD_SETSIZE as usize / 64],
70        #[cfg(not(all(
71            target_pointer_width = "64",
72            any(target_os = "freebsd", target_os = "dragonfly")
73        )))]
74        fds_bits: [i32; FD_SETSIZE as usize / 32],
75    }
76
77    pub struct tm {
78        pub tm_sec: c_int,
79        pub tm_min: c_int,
80        pub tm_hour: c_int,
81        pub tm_mday: c_int,
82        pub tm_mon: c_int,
83        pub tm_year: c_int,
84        pub tm_wday: c_int,
85        pub tm_yday: c_int,
86        pub tm_isdst: c_int,
87        pub tm_gmtoff: c_long,
88        pub tm_zone: *mut c_char,
89    }
90
91    pub struct msghdr {
92        pub msg_name: *mut c_void,
93        pub msg_namelen: crate::socklen_t,
94        pub msg_iov: *mut crate::iovec,
95        pub msg_iovlen: c_int,
96        pub msg_control: *mut c_void,
97        pub msg_controllen: crate::socklen_t,
98        pub msg_flags: c_int,
99    }
100
101    pub struct cmsghdr {
102        pub cmsg_len: crate::socklen_t,
103        pub cmsg_level: c_int,
104        pub cmsg_type: c_int,
105    }
106
107    pub struct fsid_t {
108        __fsid_val: [i32; 2],
109    }
110
111    pub struct if_nameindex {
112        pub if_index: c_uint,
113        pub if_name: *mut c_char,
114    }
115
116    pub struct regex_t {
117        __re_magic: c_int,
118        __re_nsub: size_t,
119        __re_endp: *const c_char,
120        __re_g: *mut c_void,
121    }
122
123    pub struct regmatch_t {
124        pub rm_so: regoff_t,
125        pub rm_eo: regoff_t,
126    }
127
128    pub struct option {
129        pub name: *const c_char,
130        pub has_arg: c_int,
131        pub flag: *mut c_int,
132        pub val: c_int,
133    }
134    pub struct sockaddr_un {
135        pub sun_len: u8,
136        pub sun_family: sa_family_t,
137        pub sun_path: [c_char; 104],
138    }
139
140    pub struct utsname {
141        #[cfg(not(target_os = "dragonfly"))]
142        pub sysname: [c_char; 256],
143        #[cfg(target_os = "dragonfly")]
144        pub sysname: [c_char; 32],
145        #[cfg(not(target_os = "dragonfly"))]
146        pub nodename: [c_char; 256],
147        #[cfg(target_os = "dragonfly")]
148        pub nodename: [c_char; 32],
149        #[cfg(not(target_os = "dragonfly"))]
150        pub release: [c_char; 256],
151        #[cfg(target_os = "dragonfly")]
152        pub release: [c_char; 32],
153        #[cfg(not(target_os = "dragonfly"))]
154        pub version: [c_char; 256],
155        #[cfg(target_os = "dragonfly")]
156        pub version: [c_char; 32],
157        #[cfg(not(target_os = "dragonfly"))]
158        pub machine: [c_char; 256],
159        #[cfg(target_os = "dragonfly")]
160        pub machine: [c_char; 32],
161    }
162}
163
164pub const LC_ALL: c_int = 0;
165pub const LC_COLLATE: c_int = 1;
166pub const LC_CTYPE: c_int = 2;
167pub const LC_MONETARY: c_int = 3;
168pub const LC_NUMERIC: c_int = 4;
169pub const LC_TIME: c_int = 5;
170pub const LC_MESSAGES: c_int = 6;
171
172pub const FIOCLEX: c_ulong = 0x20006601;
173pub const FIONCLEX: c_ulong = 0x20006602;
174pub const FIONREAD: c_ulong = 0x4004667f;
175pub const FIONBIO: c_ulong = 0x8004667e;
176pub const FIOASYNC: c_ulong = 0x8004667d;
177pub const FIOSETOWN: c_ulong = 0x8004667c;
178pub const FIOGETOWN: c_ulong = 0x4004667b;
179
180pub const PATH_MAX: c_int = 1024;
181pub const MAXPATHLEN: c_int = PATH_MAX;
182
183pub const IOV_MAX: c_int = 1024;
184
185pub const SA_ONSTACK: c_int = 0x0001;
186pub const SA_SIGINFO: c_int = 0x0040;
187pub const SA_RESTART: c_int = 0x0002;
188pub const SA_RESETHAND: c_int = 0x0004;
189pub const SA_NOCLDSTOP: c_int = 0x0008;
190pub const SA_NODEFER: c_int = 0x0010;
191pub const SA_NOCLDWAIT: c_int = 0x0020;
192
193pub const SS_ONSTACK: c_int = 1;
194pub const SS_DISABLE: c_int = 4;
195
196pub const SIGCHLD: c_int = 20;
197pub const SIGBUS: c_int = 10;
198pub const SIGUSR1: c_int = 30;
199pub const SIGUSR2: c_int = 31;
200pub const SIGCONT: c_int = 19;
201pub const SIGSTOP: c_int = 17;
202pub const SIGTSTP: c_int = 18;
203pub const SIGURG: c_int = 16;
204pub const SIGIO: c_int = 23;
205pub const SIGSYS: c_int = 12;
206pub const SIGTTIN: c_int = 21;
207pub const SIGTTOU: c_int = 22;
208pub const SIGXCPU: c_int = 24;
209pub const SIGXFSZ: c_int = 25;
210pub const SIGVTALRM: c_int = 26;
211pub const SIGPROF: c_int = 27;
212pub const SIGWINCH: c_int = 28;
213pub const SIGINFO: c_int = 29;
214
215pub const SIG_SETMASK: c_int = 3;
216pub const SIG_BLOCK: c_int = 0x1;
217pub const SIG_UNBLOCK: c_int = 0x2;
218
219pub const IP_TOS: c_int = 3;
220pub const IP_MULTICAST_IF: c_int = 9;
221pub const IP_MULTICAST_TTL: c_int = 10;
222pub const IP_MULTICAST_LOOP: c_int = 11;
223
224pub const IPV6_UNICAST_HOPS: c_int = 4;
225pub const IPV6_MULTICAST_IF: c_int = 9;
226pub const IPV6_MULTICAST_HOPS: c_int = 10;
227pub const IPV6_MULTICAST_LOOP: c_int = 11;
228pub const IPV6_V6ONLY: c_int = 27;
229pub const IPV6_DONTFRAG: c_int = 62;
230
231pub const IPTOS_ECN_NOTECT: u8 = 0x00;
232pub const IPTOS_ECN_MASK: u8 = 0x03;
233pub const IPTOS_ECN_ECT1: u8 = 0x01;
234pub const IPTOS_ECN_ECT0: u8 = 0x02;
235pub const IPTOS_ECN_CE: u8 = 0x03;
236
237pub const ST_RDONLY: c_ulong = 1;
238
239pub const SCM_RIGHTS: c_int = 0x01;
240
241pub const NCCS: usize = 20;
242
243pub const O_ACCMODE: c_int = 0x3;
244pub const O_RDONLY: c_int = 0;
245pub const O_WRONLY: c_int = 1;
246pub const O_RDWR: c_int = 2;
247pub const O_APPEND: c_int = 8;
248pub const O_CREAT: c_int = 512;
249pub const O_TRUNC: c_int = 1024;
250pub const O_EXCL: c_int = 2048;
251pub const O_ASYNC: c_int = 0x40;
252pub const O_SYNC: c_int = 0x80;
253pub const O_NONBLOCK: c_int = 0x4;
254pub const O_NOFOLLOW: c_int = 0x100;
255pub const O_SHLOCK: c_int = 0x10;
256pub const O_EXLOCK: c_int = 0x20;
257pub const O_FSYNC: c_int = O_SYNC;
258pub const O_NDELAY: c_int = O_NONBLOCK;
259
260pub const F_GETOWN: c_int = 5;
261pub const F_SETOWN: c_int = 6;
262
263pub const F_RDLCK: c_short = 1;
264pub const F_UNLCK: c_short = 2;
265pub const F_WRLCK: c_short = 3;
266
267pub const MNT_RDONLY: c_int = 0x00000001;
268pub const MNT_SYNCHRONOUS: c_int = 0x00000002;
269pub const MNT_NOEXEC: c_int = 0x00000004;
270pub const MNT_NOSUID: c_int = 0x00000008;
271pub const MNT_ASYNC: c_int = 0x00000040;
272pub const MNT_EXPORTED: c_int = 0x00000100;
273pub const MNT_UPDATE: c_int = 0x00010000;
274pub const MNT_RELOAD: c_int = 0x00040000;
275pub const MNT_FORCE: c_int = 0x00080000;
276
277pub const Q_SYNC: c_int = 0x600;
278pub const Q_QUOTAON: c_int = 0x100;
279pub const Q_QUOTAOFF: c_int = 0x200;
280
281pub const TCIOFF: c_int = 3;
282pub const TCION: c_int = 4;
283pub const TCOOFF: c_int = 1;
284pub const TCOON: c_int = 2;
285pub const TCIFLUSH: c_int = 1;
286pub const TCOFLUSH: c_int = 2;
287pub const TCIOFLUSH: c_int = 3;
288pub const TCSANOW: c_int = 0;
289pub const TCSADRAIN: c_int = 1;
290pub const TCSAFLUSH: c_int = 2;
291pub const VEOF: usize = 0;
292pub const VEOL: usize = 1;
293pub const VEOL2: usize = 2;
294pub const VERASE: usize = 3;
295pub const VWERASE: usize = 4;
296pub const VKILL: usize = 5;
297pub const VREPRINT: usize = 6;
298pub const VINTR: usize = 8;
299pub const VQUIT: usize = 9;
300pub const VSUSP: usize = 10;
301pub const VDSUSP: usize = 11;
302pub const VSTART: usize = 12;
303pub const VSTOP: usize = 13;
304pub const VLNEXT: usize = 14;
305pub const VDISCARD: usize = 15;
306pub const VMIN: usize = 16;
307pub const VTIME: usize = 17;
308pub const VSTATUS: usize = 18;
309pub const _POSIX_VDISABLE: crate::cc_t = 0xff;
310pub const IGNBRK: crate::tcflag_t = 0x00000001;
311pub const BRKINT: crate::tcflag_t = 0x00000002;
312pub const IGNPAR: crate::tcflag_t = 0x00000004;
313pub const PARMRK: crate::tcflag_t = 0x00000008;
314pub const INPCK: crate::tcflag_t = 0x00000010;
315pub const ISTRIP: crate::tcflag_t = 0x00000020;
316pub const INLCR: crate::tcflag_t = 0x00000040;
317pub const IGNCR: crate::tcflag_t = 0x00000080;
318pub const ICRNL: crate::tcflag_t = 0x00000100;
319pub const IXON: crate::tcflag_t = 0x00000200;
320pub const IXOFF: crate::tcflag_t = 0x00000400;
321pub const IXANY: crate::tcflag_t = 0x00000800;
322pub const IMAXBEL: crate::tcflag_t = 0x00002000;
323pub const OPOST: crate::tcflag_t = 0x1;
324pub const ONLCR: crate::tcflag_t = 0x2;
325pub const OXTABS: crate::tcflag_t = 0x4;
326pub const ONOEOT: crate::tcflag_t = 0x8;
327pub const CIGNORE: crate::tcflag_t = 0x00000001;
328pub const CSIZE: crate::tcflag_t = 0x00000300;
329pub const CS5: crate::tcflag_t = 0x00000000;
330pub const CS6: crate::tcflag_t = 0x00000100;
331pub const CS7: crate::tcflag_t = 0x00000200;
332pub const CS8: crate::tcflag_t = 0x00000300;
333pub const CSTOPB: crate::tcflag_t = 0x00000400;
334pub const CREAD: crate::tcflag_t = 0x00000800;
335pub const PARENB: crate::tcflag_t = 0x00001000;
336pub const PARODD: crate::tcflag_t = 0x00002000;
337pub const HUPCL: crate::tcflag_t = 0x00004000;
338pub const CLOCAL: crate::tcflag_t = 0x00008000;
339pub const ECHOKE: crate::tcflag_t = 0x00000001;
340pub const ECHOE: crate::tcflag_t = 0x00000002;
341pub const ECHOK: crate::tcflag_t = 0x00000004;
342pub const ECHO: crate::tcflag_t = 0x00000008;
343pub const ECHONL: crate::tcflag_t = 0x00000010;
344pub const ECHOPRT: crate::tcflag_t = 0x00000020;
345pub const ECHOCTL: crate::tcflag_t = 0x00000040;
346pub const ISIG: crate::tcflag_t = 0x00000080;
347pub const ICANON: crate::tcflag_t = 0x00000100;
348pub const ALTWERASE: crate::tcflag_t = 0x00000200;
349pub const IEXTEN: crate::tcflag_t = 0x00000400;
350pub const EXTPROC: crate::tcflag_t = 0x00000800;
351pub const TOSTOP: crate::tcflag_t = 0x00400000;
352pub const FLUSHO: crate::tcflag_t = 0x00800000;
353pub const NOKERNINFO: crate::tcflag_t = 0x02000000;
354pub const PENDIN: crate::tcflag_t = 0x20000000;
355pub const NOFLSH: crate::tcflag_t = 0x80000000;
356pub const MDMBUF: crate::tcflag_t = 0x00100000;
357
358pub const WNOHANG: c_int = 0x00000001;
359pub const WUNTRACED: c_int = 0x00000002;
360
361pub const RTLD_LAZY: c_int = 0x1;
362pub const RTLD_NOW: c_int = 0x2;
363pub const RTLD_NEXT: *mut c_void = -1isize as *mut c_void;
364pub const RTLD_DEFAULT: *mut c_void = -2isize as *mut c_void;
365pub const RTLD_SELF: *mut c_void = -3isize as *mut c_void;
366
367pub const LOG_CRON: c_int = 9 << 3;
368pub const LOG_AUTHPRIV: c_int = 10 << 3;
369pub const LOG_FTP: c_int = 11 << 3;
370pub const LOG_PERROR: c_int = 0x20;
371
372pub const TCP_NODELAY: c_int = 1;
373pub const TCP_MAXSEG: c_int = 2;
374
375pub const PIPE_BUF: usize = 512;
376
377// si_code values for SIGBUS signal
378pub const BUS_ADRALN: c_int = 1;
379pub const BUS_ADRERR: c_int = 2;
380pub const BUS_OBJERR: c_int = 3;
381
382// si_code values for SIGCHLD signal
383pub const CLD_EXITED: c_int = 1;
384pub const CLD_KILLED: c_int = 2;
385pub const CLD_DUMPED: c_int = 3;
386pub const CLD_TRAPPED: c_int = 4;
387pub const CLD_STOPPED: c_int = 5;
388pub const CLD_CONTINUED: c_int = 6;
389
390pub const POLLIN: c_short = 0x1;
391pub const POLLPRI: c_short = 0x2;
392pub const POLLOUT: c_short = 0x4;
393pub const POLLERR: c_short = 0x8;
394pub const POLLHUP: c_short = 0x10;
395pub const POLLNVAL: c_short = 0x20;
396pub const POLLRDNORM: c_short = 0x040;
397pub const POLLWRNORM: c_short = 0x004;
398pub const POLLRDBAND: c_short = 0x080;
399pub const POLLWRBAND: c_short = 0x100;
400
401cfg_if! {
402    // Not yet implemented on NetBSD
403    if #[cfg(not(any(target_os = "netbsd")))] {
404        pub const BIOCGBLEN: c_ulong = 0x40044266;
405        pub const BIOCSBLEN: c_ulong = 0xc0044266;
406        pub const BIOCFLUSH: c_uint = 0x20004268;
407        pub const BIOCPROMISC: c_uint = 0x20004269;
408        pub const BIOCGDLT: c_ulong = 0x4004426a;
409        pub const BIOCGETIF: c_ulong = 0x4020426b;
410        pub const BIOCSETIF: c_ulong = 0x8020426c;
411        pub const BIOCGSTATS: c_ulong = 0x4008426f;
412        pub const BIOCIMMEDIATE: c_ulong = 0x80044270;
413        pub const BIOCVERSION: c_ulong = 0x40044271;
414        pub const BIOCGHDRCMPLT: c_ulong = 0x40044274;
415        pub const BIOCSHDRCMPLT: c_ulong = 0x80044275;
416        pub const SIOCGIFADDR: c_ulong = 0xc0206921;
417    }
418}
419
420pub const REG_BASIC: c_int = 0o0000;
421pub const REG_EXTENDED: c_int = 0o0001;
422pub const REG_ICASE: c_int = 0o0002;
423pub const REG_NOSUB: c_int = 0o0004;
424pub const REG_NEWLINE: c_int = 0o0010;
425pub const REG_NOSPEC: c_int = 0o0020;
426pub const REG_PEND: c_int = 0o0040;
427pub const REG_DUMP: c_int = 0o0200;
428
429pub const REG_NOMATCH: c_int = 1;
430pub const REG_BADPAT: c_int = 2;
431pub const REG_ECOLLATE: c_int = 3;
432pub const REG_ECTYPE: c_int = 4;
433pub const REG_EESCAPE: c_int = 5;
434pub const REG_ESUBREG: c_int = 6;
435pub const REG_EBRACK: c_int = 7;
436pub const REG_EPAREN: c_int = 8;
437pub const REG_EBRACE: c_int = 9;
438pub const REG_BADBR: c_int = 10;
439pub const REG_ERANGE: c_int = 11;
440pub const REG_ESPACE: c_int = 12;
441pub const REG_BADRPT: c_int = 13;
442pub const REG_EMPTY: c_int = 14;
443pub const REG_ASSERT: c_int = 15;
444pub const REG_INVARG: c_int = 16;
445pub const REG_ATOI: c_int = 255;
446pub const REG_ITOA: c_int = 0o0400;
447
448pub const REG_NOTBOL: c_int = 0o00001;
449pub const REG_NOTEOL: c_int = 0o00002;
450pub const REG_STARTEND: c_int = 0o00004;
451pub const REG_TRACE: c_int = 0o00400;
452pub const REG_LARGE: c_int = 0o01000;
453pub const REG_BACKR: c_int = 0o02000;
454
455pub const TIOCCBRK: c_uint = 0x2000747a;
456pub const TIOCSBRK: c_uint = 0x2000747b;
457
458pub const PRIO_PROCESS: c_int = 0;
459pub const PRIO_PGRP: c_int = 1;
460pub const PRIO_USER: c_int = 2;
461
462pub const ITIMER_REAL: c_int = 0;
463pub const ITIMER_VIRTUAL: c_int = 1;
464pub const ITIMER_PROF: c_int = 2;
465
466// net/route.h
467
468pub const RTF_UP: c_int = 0x1;
469pub const RTF_GATEWAY: c_int = 0x2;
470pub const RTF_HOST: c_int = 0x4;
471pub const RTF_REJECT: c_int = 0x8;
472pub const RTF_DYNAMIC: c_int = 0x10;
473pub const RTF_MODIFIED: c_int = 0x20;
474pub const RTF_DONE: c_int = 0x40;
475pub const RTF_STATIC: c_int = 0x800;
476pub const RTF_BLACKHOLE: c_int = 0x1000;
477pub const RTF_PROTO2: c_int = 0x4000;
478pub const RTF_PROTO1: c_int = 0x8000;
479
480// Message types
481pub const RTM_ADD: c_int = 0x1;
482pub const RTM_DELETE: c_int = 0x2;
483pub const RTM_CHANGE: c_int = 0x3;
484pub const RTM_GET: c_int = 0x4;
485pub const RTM_LOSING: c_int = 0x5;
486pub const RTM_REDIRECT: c_int = 0x6;
487pub const RTM_MISS: c_int = 0x7;
488
489// Bitmask values for rtm_addrs.
490pub const RTA_DST: c_int = 0x1;
491pub const RTA_GATEWAY: c_int = 0x2;
492pub const RTA_NETMASK: c_int = 0x4;
493pub const RTA_GENMASK: c_int = 0x8;
494pub const RTA_IFP: c_int = 0x10;
495pub const RTA_IFA: c_int = 0x20;
496pub const RTA_AUTHOR: c_int = 0x40;
497pub const RTA_BRD: c_int = 0x80;
498
499// Index offsets for sockaddr array for alternate internal encoding.
500pub const RTAX_DST: c_int = 0;
501pub const RTAX_GATEWAY: c_int = 1;
502pub const RTAX_NETMASK: c_int = 2;
503pub const RTAX_GENMASK: c_int = 3;
504pub const RTAX_IFP: c_int = 4;
505pub const RTAX_IFA: c_int = 5;
506pub const RTAX_AUTHOR: c_int = 6;
507pub const RTAX_BRD: c_int = 7;
508
509f! {
510    pub fn CMSG_FIRSTHDR(mhdr: *const crate::msghdr) -> *mut cmsghdr {
511        if (*mhdr).msg_controllen as usize >= size_of::<cmsghdr>() {
512            (*mhdr).msg_control.cast::<cmsghdr>()
513        } else {
514            core::ptr::null_mut()
515        }
516    }
517
518    pub fn FD_CLR(fd: c_int, set: *mut fd_set) -> () {
519        let bits = size_of_val(&(*set).fds_bits[0]) * 8;
520        let fd = fd as usize;
521        (*set).fds_bits[fd / bits] &= !(1 << (fd % bits));
522        return;
523    }
524
525    pub fn FD_ISSET(fd: c_int, set: *const fd_set) -> bool {
526        let bits = size_of_val(&(*set).fds_bits[0]) * 8;
527        let fd = fd as usize;
528        return ((*set).fds_bits[fd / bits] & (1 << (fd % bits))) != 0;
529    }
530
531    pub fn FD_SET(fd: c_int, set: *mut fd_set) -> () {
532        let bits = size_of_val(&(*set).fds_bits[0]) * 8;
533        let fd = fd as usize;
534        (*set).fds_bits[fd / bits] |= 1 << (fd % bits);
535        return;
536    }
537
538    pub fn FD_ZERO(set: *mut fd_set) -> () {
539        for slot in &mut (*set).fds_bits {
540            *slot = 0;
541        }
542    }
543}
544
545safe_f! {
546    pub const fn WTERMSIG(status: c_int) -> c_int {
547        status & 0o177
548    }
549
550    pub const fn WIFEXITED(status: c_int) -> bool {
551        (status & 0o177) == 0
552    }
553
554    pub const fn WEXITSTATUS(status: c_int) -> c_int {
555        (status >> 8) & 0x00ff
556    }
557
558    pub const fn WCOREDUMP(status: c_int) -> bool {
559        (status & 0o200) != 0
560    }
561
562    pub const fn QCMD(cmd: c_int, type_: c_int) -> c_int {
563        (cmd << 8) | (type_ & 0x00ff)
564    }
565}
566
567extern "C" {
568    #[cfg_attr(
569        all(target_os = "macos", target_arch = "x86"),
570        link_name = "getrlimit$UNIX2003"
571    )]
572    pub fn getrlimit(resource: c_int, rlim: *mut crate::rlimit) -> c_int;
573    #[cfg_attr(
574        all(target_os = "macos", target_arch = "x86"),
575        link_name = "setrlimit$UNIX2003"
576    )]
577    pub fn setrlimit(resource: c_int, rlim: *const crate::rlimit) -> c_int;
578
579    pub fn strerror_r(errnum: c_int, buf: *mut c_char, buflen: size_t) -> c_int;
580    pub fn abs(i: c_int) -> c_int;
581    pub fn labs(i: c_long) -> c_long;
582    #[cfg_attr(
583        all(target_os = "freebsd", any(freebsd12, freebsd11, freebsd10)),
584        link_name = "rand@FBSD_1.0"
585    )]
586    pub fn rand() -> c_int;
587    #[cfg_attr(
588        all(target_os = "freebsd", any(freebsd12, freebsd11, freebsd10)),
589        link_name = "srand@FBSD_1.0"
590    )]
591    pub fn srand(seed: c_uint);
592
593    pub fn getifaddrs(ifap: *mut *mut crate::ifaddrs) -> c_int;
594    pub fn freeifaddrs(ifa: *mut crate::ifaddrs);
595    pub fn setgroups(ngroups: c_int, ptr: *const crate::gid_t) -> c_int;
596    pub fn setlogin(name: *const c_char) -> c_int;
597    pub fn ioctl(fd: c_int, request: c_ulong, ...) -> c_int;
598    pub fn kqueue() -> c_int;
599    pub fn unmount(target: *const c_char, arg: c_int) -> c_int;
600    pub fn syscall(num: c_int, ...) -> c_int;
601    #[cfg_attr(target_os = "netbsd", link_name = "__getpwent50")]
602    pub fn getpwent() -> *mut passwd;
603    pub fn setpwent();
604    pub fn endpwent();
605    pub fn endgrent();
606    pub fn getgrent() -> *mut crate::group;
607
608    pub fn getprogname() -> *const c_char;
609    pub fn setprogname(name: *const c_char);
610    pub fn getloadavg(loadavg: *mut c_double, nelem: c_int) -> c_int;
611    pub fn if_nameindex() -> *mut if_nameindex;
612    pub fn if_freenameindex(ptr: *mut if_nameindex);
613
614    pub fn getpeereid(socket: c_int, euid: *mut crate::uid_t, egid: *mut crate::gid_t) -> c_int;
615
616    #[cfg_attr(
617        all(target_os = "macos", not(target_arch = "aarch64")),
618        link_name = "glob$INODE64"
619    )]
620    #[cfg_attr(target_os = "netbsd", link_name = "__glob30")]
621    #[cfg_attr(
622        all(target_os = "freebsd", any(freebsd11, freebsd10)),
623        link_name = "glob@FBSD_1.0"
624    )]
625    pub fn glob(
626        pattern: *const c_char,
627        flags: c_int,
628        errfunc: Option<extern "C" fn(epath: *const c_char, errno: c_int) -> c_int>,
629        pglob: *mut crate::glob_t,
630    ) -> c_int;
631    #[cfg_attr(target_os = "netbsd", link_name = "__globfree30")]
632    #[cfg_attr(
633        all(target_os = "freebsd", any(freebsd11, freebsd10)),
634        link_name = "globfree@FBSD_1.0"
635    )]
636    pub fn globfree(pglob: *mut crate::glob_t);
637
638    pub fn posix_madvise(addr: *mut c_void, len: size_t, advice: c_int) -> c_int;
639
640    pub fn shm_unlink(name: *const c_char) -> c_int;
641
642    #[cfg_attr(
643        all(target_os = "macos", target_arch = "x86_64"),
644        link_name = "seekdir$INODE64"
645    )]
646    #[cfg_attr(
647        all(target_os = "macos", target_arch = "x86"),
648        link_name = "seekdir$INODE64$UNIX2003"
649    )]
650    pub fn seekdir(dirp: *mut crate::DIR, loc: c_long);
651
652    #[cfg_attr(
653        all(target_os = "macos", target_arch = "x86_64"),
654        link_name = "telldir$INODE64"
655    )]
656    #[cfg_attr(
657        all(target_os = "macos", target_arch = "x86"),
658        link_name = "telldir$INODE64$UNIX2003"
659    )]
660    pub fn telldir(dirp: *mut crate::DIR) -> c_long;
661    pub fn madvise(addr: *mut c_void, len: size_t, advice: c_int) -> c_int;
662
663    #[cfg_attr(
664        all(target_os = "macos", target_arch = "x86"),
665        link_name = "msync$UNIX2003"
666    )]
667    #[cfg_attr(target_os = "netbsd", link_name = "__msync13")]
668    pub fn msync(addr: *mut c_void, len: size_t, flags: c_int) -> c_int;
669
670    #[cfg_attr(
671        all(target_os = "macos", target_arch = "x86"),
672        link_name = "recvfrom$UNIX2003"
673    )]
674    pub fn recvfrom(
675        socket: c_int,
676        buf: *mut c_void,
677        len: size_t,
678        flags: c_int,
679        addr: *mut crate::sockaddr,
680        addrlen: *mut crate::socklen_t,
681    ) -> ssize_t;
682    pub fn mkstemps(template: *mut c_char, suffixlen: c_int) -> c_int;
683    #[cfg_attr(target_os = "netbsd", link_name = "__futimes50")]
684    pub fn futimes(fd: c_int, times: *const crate::timeval) -> c_int;
685    pub fn nl_langinfo(item: crate::nl_item) -> *mut c_char;
686
687    #[cfg_attr(
688        all(target_os = "macos", target_arch = "x86"),
689        link_name = "bind$UNIX2003"
690    )]
691    pub fn bind(
692        socket: c_int,
693        address: *const crate::sockaddr,
694        address_len: crate::socklen_t,
695    ) -> c_int;
696
697    #[cfg_attr(
698        all(target_os = "macos", target_arch = "x86"),
699        link_name = "writev$UNIX2003"
700    )]
701    pub fn writev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
702    #[cfg_attr(
703        all(target_os = "macos", target_arch = "x86"),
704        link_name = "readv$UNIX2003"
705    )]
706    pub fn readv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
707
708    #[cfg_attr(
709        all(target_os = "macos", target_arch = "x86"),
710        link_name = "sendmsg$UNIX2003"
711    )]
712    pub fn sendmsg(fd: c_int, msg: *const crate::msghdr, flags: c_int) -> ssize_t;
713    #[cfg_attr(
714        all(target_os = "macos", target_arch = "x86"),
715        link_name = "recvmsg$UNIX2003"
716    )]
717    pub fn recvmsg(fd: c_int, msg: *mut crate::msghdr, flags: c_int) -> ssize_t;
718
719    pub fn sync();
720    pub fn getgrgid_r(
721        gid: crate::gid_t,
722        grp: *mut crate::group,
723        buf: *mut c_char,
724        buflen: size_t,
725        result: *mut *mut crate::group,
726    ) -> c_int;
727    #[cfg_attr(
728        all(target_os = "macos", target_arch = "x86"),
729        link_name = "sigaltstack$UNIX2003"
730    )]
731    #[cfg_attr(target_os = "netbsd", link_name = "__sigaltstack14")]
732    pub fn sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> c_int;
733    #[cfg_attr(target_os = "netbsd", link_name = "__sigsuspend14")]
734    pub fn sigsuspend(mask: *const crate::sigset_t) -> c_int;
735    pub fn sem_close(sem: *mut sem_t) -> c_int;
736    pub fn getdtablesize() -> c_int;
737    pub fn getgrnam_r(
738        name: *const c_char,
739        grp: *mut crate::group,
740        buf: *mut c_char,
741        buflen: size_t,
742        result: *mut *mut crate::group,
743    ) -> c_int;
744    #[cfg_attr(
745        all(target_os = "macos", target_arch = "x86"),
746        link_name = "pthread_sigmask$UNIX2003"
747    )]
748    pub fn pthread_sigmask(how: c_int, set: *const sigset_t, oldset: *mut sigset_t) -> c_int;
749    pub fn sem_open(name: *const c_char, oflag: c_int, ...) -> *mut sem_t;
750    pub fn getgrnam(name: *const c_char) -> *mut crate::group;
751    #[cfg_attr(
752        all(target_os = "macos", target_arch = "x86"),
753        link_name = "pthread_cancel$UNIX2003"
754    )]
755    pub fn pthread_cancel(thread: crate::pthread_t) -> c_int;
756    pub fn pthread_kill(thread: crate::pthread_t, sig: c_int) -> c_int;
757    pub fn sched_get_priority_min(policy: c_int) -> c_int;
758    pub fn sched_get_priority_max(policy: c_int) -> c_int;
759    pub fn sem_unlink(name: *const c_char) -> c_int;
760    #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam_r50")]
761    pub fn getpwnam_r(
762        name: *const c_char,
763        pwd: *mut passwd,
764        buf: *mut c_char,
765        buflen: size_t,
766        result: *mut *mut passwd,
767    ) -> c_int;
768    #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid_r50")]
769    pub fn getpwuid_r(
770        uid: crate::uid_t,
771        pwd: *mut passwd,
772        buf: *mut c_char,
773        buflen: size_t,
774        result: *mut *mut passwd,
775    ) -> c_int;
776    #[cfg_attr(
777        all(target_os = "macos", target_arch = "x86"),
778        link_name = "sigwait$UNIX2003"
779    )]
780    pub fn sigwait(set: *const sigset_t, sig: *mut c_int) -> c_int;
781    pub fn pthread_atfork(
782        prepare: Option<unsafe extern "C" fn()>,
783        parent: Option<unsafe extern "C" fn()>,
784        child: Option<unsafe extern "C" fn()>,
785    ) -> c_int;
786    pub fn getgrgid(gid: crate::gid_t) -> *mut crate::group;
787    #[cfg_attr(
788        all(target_os = "macos", target_arch = "x86"),
789        link_name = "popen$UNIX2003"
790    )]
791    pub fn popen(command: *const c_char, mode: *const c_char) -> *mut crate::FILE;
792    pub fn faccessat(dirfd: c_int, pathname: *const c_char, mode: c_int, flags: c_int) -> c_int;
793    pub fn pthread_create(
794        native: *mut crate::pthread_t,
795        attr: *const crate::pthread_attr_t,
796        f: extern "C" fn(*mut c_void) -> *mut c_void,
797        value: *mut c_void,
798    ) -> c_int;
799    pub fn acct(filename: *const c_char) -> c_int;
800    #[cfg_attr(
801        all(target_os = "macos", target_arch = "x86"),
802        link_name = "wait4$UNIX2003"
803    )]
804    #[cfg_attr(
805        all(target_os = "freebsd", any(freebsd12, freebsd11, freebsd10)),
806        link_name = "wait4@FBSD_1.0"
807    )]
808    #[cfg_attr(target_os = "netbsd", link_name = "__wait450")]
809    pub fn wait4(
810        pid: crate::pid_t,
811        status: *mut c_int,
812        options: c_int,
813        rusage: *mut crate::rusage,
814    ) -> crate::pid_t;
815    #[cfg_attr(
816        all(target_os = "macos", target_arch = "x86"),
817        link_name = "getitimer$UNIX2003"
818    )]
819    #[cfg_attr(target_os = "netbsd", link_name = "__getitimer50")]
820    pub fn getitimer(which: c_int, curr_value: *mut crate::itimerval) -> c_int;
821    #[cfg_attr(
822        all(target_os = "macos", target_arch = "x86"),
823        link_name = "setitimer$UNIX2003"
824    )]
825    #[cfg_attr(target_os = "netbsd", link_name = "__setitimer50")]
826    pub fn setitimer(
827        which: c_int,
828        new_value: *const crate::itimerval,
829        old_value: *mut crate::itimerval,
830    ) -> c_int;
831
832    pub fn regcomp(preg: *mut regex_t, pattern: *const c_char, cflags: c_int) -> c_int;
833
834    pub fn regexec(
835        preg: *const regex_t,
836        input: *const c_char,
837        nmatch: size_t,
838        pmatch: *mut regmatch_t,
839        eflags: c_int,
840    ) -> c_int;
841
842    pub fn regerror(
843        errcode: c_int,
844        preg: *const regex_t,
845        errbuf: *mut c_char,
846        errbuf_size: size_t,
847    ) -> size_t;
848
849    pub fn regfree(preg: *mut regex_t);
850
851    pub fn arc4random() -> u32;
852    pub fn arc4random_buf(buf: *mut c_void, size: size_t);
853    pub fn arc4random_uniform(l: u32) -> u32;
854
855    pub fn drand48() -> c_double;
856    pub fn erand48(xseed: *mut c_ushort) -> c_double;
857    pub fn lrand48() -> c_long;
858    pub fn nrand48(xseed: *mut c_ushort) -> c_long;
859    pub fn mrand48() -> c_long;
860    pub fn jrand48(xseed: *mut c_ushort) -> c_long;
861    pub fn srand48(seed: c_long);
862    pub fn seed48(xseed: *mut c_ushort) -> *mut c_ushort;
863    pub fn lcong48(p: *mut c_ushort);
864    pub fn getopt_long(
865        argc: c_int,
866        argv: *const *mut c_char,
867        optstring: *const c_char,
868        longopts: *const option,
869        longindex: *mut c_int,
870    ) -> c_int;
871
872    pub fn strftime(
873        buf: *mut c_char,
874        maxsize: size_t,
875        format: *const c_char,
876        timeptr: *const crate::tm,
877    ) -> size_t;
878    pub fn strftime_l(
879        buf: *mut c_char,
880        maxsize: size_t,
881        format: *const c_char,
882        timeptr: *const crate::tm,
883        locale: crate::locale_t,
884    ) -> size_t;
885
886    #[cfg_attr(target_os = "netbsd", link_name = "__devname50")]
887    pub fn devname(dev: crate::dev_t, mode_t: crate::mode_t) -> *mut c_char;
888
889    pub fn issetugid() -> c_int;
890}
891
892cfg_if! {
893    if #[cfg(any(
894        target_os = "macos",
895        target_os = "ios",
896        target_os = "tvos",
897        target_os = "watchos",
898        target_os = "visionos"
899    ))] {
900        mod apple;
901        pub use self::apple::*;
902    } else if #[cfg(any(target_os = "openbsd", target_os = "netbsd"))] {
903        mod netbsdlike;
904        pub use self::netbsdlike::*;
905    } else if #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))] {
906        mod freebsdlike;
907        pub use self::freebsdlike::*;
908    } else {
909        // Unknown target_os
910    }
911}