zig/lib/std / c/netbsd.zig

const std = @import("../std.zig");
const assert = std.debug.assert;
const builtin = @import("builtin");
const maxInt = std.math.maxInt;
const iovec = std.os.iovec;
const iovec_const = std.os.iovec_const;
const timezone = std.c.timezone;
const rusage = std.c.rusage;

extern "c" fn __errno() *c_int;

_errno

pub const _errno = __errno;

dl_iterate_phdr_callback

pub const dl_iterate_phdr_callback = *const fn (info: *dl_phdr_info, size: usize, data: ?*anyopaque) callconv(.C) c_int;
pub extern "c" fn dl_iterate_phdr(callback: dl_iterate_phdr_callback, data: ?*anyopaque) c_int;

pub extern "c" fn _lwp_self() lwpid_t;

pub extern "c" fn pipe2(fds: *[2]fd_t, flags: u32) c_int;
pub extern "c" fn arc4random_buf(buf: [*]u8, len: usize) void;

pub extern "c" fn __fstat50(fd: fd_t, buf: *Stat) c_int;

fstat

pub const fstat = __fstat50;

pub extern "c" fn __stat50(path: [*:0]const u8, buf: *Stat) c_int;

stat

pub const stat = __stat50;

pub extern "c" fn __clock_gettime50(clk_id: c_int, tp: *timespec) c_int;

clock_gettime

pub const clock_gettime = __clock_gettime50;

pub extern "c" fn __clock_getres50(clk_id: c_int, tp: *timespec) c_int;

clock_getres

pub const clock_getres = __clock_getres50;

pub extern "c" fn __getdents30(fd: c_int, buf_ptr: [*]u8, nbytes: usize) c_int;

getdents

pub const getdents = __getdents30;

pub extern "c" fn __sigaltstack14(ss: ?*stack_t, old_ss: ?*stack_t) c_int;

sigaltstack

pub const sigaltstack = __sigaltstack14;

pub extern "c" fn __nanosleep50(rqtp: *const timespec, rmtp: ?*timespec) c_int;

nanosleep

pub const nanosleep = __nanosleep50;

pub extern "c" fn __sigaction14(sig: c_int, noalias act: ?*const Sigaction, noalias oact: ?*Sigaction) c_int;

sigaction

pub const sigaction = __sigaction14;

pub extern "c" fn __sigprocmask14(how: c_int, noalias set: ?*const sigset_t, noalias oset: ?*sigset_t) c_int;

sigprocmask

pub const sigprocmask = __sigaction14;

pub extern "c" fn __socket30(domain: c_uint, sock_type: c_uint, protocol: c_uint) c_int;

socket

pub const socket = __socket30;

pub extern "c" fn __gettimeofday50(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int;

gettimeofday

pub const gettimeofday = __gettimeofday50;

pub extern "c" fn __getrusage50(who: c_int, usage: *rusage) c_int;

getrusage

pub const getrusage = __getrusage50;

pub extern "c" fn __libc_thr_yield() c_int;

sched_yield

pub const sched_yield = __libc_thr_yield;

pub extern "c" fn posix_memalign(memptr: *?*anyopaque, alignment: usize, size: usize) c_int;

pub extern "c" fn __msync13(addr: *align(std.mem.page_size) const anyopaque, len: usize, flags: c_int) c_int;

msync

pub const msync = __msync13;

pthread_mutex_t

pub const pthread_mutex_t = extern struct {
    magic: u32 = 0x33330003,
    errorcheck: padded_pthread_spin_t = 0,
    ceiling: padded_pthread_spin_t = 0,
    owner: usize = 0,
    waiters: ?*u8 = null,
    recursed: u32 = 0,
    spare2: ?*anyopaque = null,
};

pthread_cond_t

pub const pthread_cond_t = extern struct {
    magic: u32 = 0x55550005,
    lock: pthread_spin_t = 0,
    waiters_first: ?*u8 = null,
    waiters_last: ?*u8 = null,
    mutex: ?*pthread_mutex_t = null,
    private: ?*anyopaque = null,
};

pthread_rwlock_t

pub const pthread_rwlock_t = extern struct {
    magic: c_uint = 0x99990009,
    interlock: switch (builtin.cpu.arch) {
        .aarch64, .sparc, .x86_64, .x86 => u8,
        .arm, .powerpc => c_int,
        else => unreachable,
    } = 0,
    rblocked_first: ?*u8 = null,
    rblocked_last: ?*u8 = null,
    wblocked_first: ?*u8 = null,
    wblocked_last: ?*u8 = null,
    nreaders: c_uint = 0,
    owner: ?std.c.pthread_t = null,
    private: ?*anyopaque = null,
};

const pthread_spin_t = switch (builtin.cpu.arch) {
    .aarch64, .aarch64_be, .aarch64_32 => u8,
    .mips, .mipsel, .mips64, .mips64el => u32,
    .powerpc, .powerpc64, .powerpc64le => i32,
    .x86, .x86_64 => u8,
    .arm, .armeb, .thumb, .thumbeb => i32,
    .sparc, .sparcel, .sparc64 => u8,
    .riscv32, .riscv64 => u32,
    else => @compileError("undefined pthread_spin_t for this arch"),
};

const padded_pthread_spin_t = switch (builtin.cpu.arch) {
    .x86, .x86_64 => u32,
    .sparc, .sparcel, .sparc64 => u32,
    else => pthread_spin_t,
};

pthread_attr_t

pub const pthread_attr_t = extern struct {
    pta_magic: u32,
    pta_flags: i32,
    pta_private: ?*anyopaque,
};

sem_t

pub const sem_t = ?*opaque {};

pub extern "c" fn pthread_setname_np(thread: std.c.pthread_t, name: [*:0]const u8, arg: ?*anyopaque) E;
pub extern "c" fn pthread_getname_np(thread: std.c.pthread_t, name: [*:0]u8, len: usize) E;

blkcnt_t

pub const blkcnt_t = i64;

blksize_t

pub const blksize_t = i32;

clock_t

pub const clock_t = u32;

dev_t

pub const dev_t = u64;

fd_t

pub const fd_t = i32;

gid_t

pub const gid_t = u32;

ino_t

pub const ino_t = u64;

mode_t

pub const mode_t = u32;

nlink_t

pub const nlink_t = u32;

off_t

pub const off_t = i64;

pid_t

pub const pid_t = i32;

socklen_t

pub const socklen_t = u32;

time_t

pub const time_t = i64;

uid_t

pub const uid_t = u32;

lwpid_t

pub const lwpid_t = i32;

suseconds_t

pub const suseconds_t = c_int;

Kevent

Renamed from kevent to Kevent to avoid conflict with function name.

pub const Kevent = extern struct {
    ident: usize,
    filter: i32,
    flags: u32,
    fflags: u32,
    data: i64,
    udata: usize,
};

RTLD

pub const RTLD = struct {
    pub const LAZY = 1;
    pub const NOW = 2;
    pub const GLOBAL = 0x100;
    pub const LOCAL = 0x200;
    pub const NODELETE = 0x01000;
    pub const NOLOAD = 0x02000;

    pub const NEXT = @as(*anyopaque, @ptrFromInt(@as(usize, @bitCast(@as(isize, -1)))));
    pub const DEFAULT = @as(*anyopaque, @ptrFromInt(@as(usize, @bitCast(@as(isize, -2)))));
    pub const SELF = @as(*anyopaque, @ptrFromInt(@as(usize, @bitCast(@as(isize, -3)))));
};

dl_phdr_info

pub const dl_phdr_info = extern struct {
    dlpi_addr: usize,
    dlpi_name: ?[*:0]const u8,
    dlpi_phdr: [*]std.elf.Phdr,
    dlpi_phnum: u16,
};

Flock

pub const Flock = extern struct {
    start: off_t,
    len: off_t,
    pid: pid_t,
    type: i16,
    whence: i16,
};

addrinfo

pub const addrinfo = extern struct {
    flags: i32,
    family: i32,
    socktype: i32,
    protocol: i32,
    addrlen: socklen_t,
    canonname: ?[*:0]u8,
    addr: ?*sockaddr,
    next: ?*addrinfo,
};

EAI

pub const EAI = enum(c_int) {
    ADDRFAMILY = 1,

    AGAIN = 2,

    BADFLAGS = 3,

    FAIL = 4,

    FAMILY = 5,

    MEMORY = 6,

    NODATA = 7,

    NONAME = 8,

    SERVICE = 9,

    SOCKTYPE = 10,

    SYSTEM = 11,

    BADHINTS = 12,

    PROTOCOL = 13,

    OVERFLOW = 14,

    _,
};

EAI_MAX

address family for hostname not supported name could not be resolved at this time flags parameter had an invalid value non-recoverable failure in name resolution address family not recognized memory allocation failure no address associated with hostname name does not resolve service not recognized for socket type intended socket type was not recognized system error returned in errno invalid value for hints resolved protocol is unknown argument buffer overflow

pub const EAI_MAX = 15;

msghdr

pub const msghdr = extern struct {
    msg_name: ?*sockaddr,

    msg_namelen: socklen_t,

    msg_iov: [*]iovec,

    msg_iovlen: i32,

    msg_control: ?*anyopaque,

    msg_controllen: socklen_t,

    msg_flags: i32,
};

msghdr_const

optional address size of address scatter/gather array # elements in msg_iov ancillary data ancillary data buffer len flags on received message

pub const msghdr_const = extern struct {
    msg_name: ?*const sockaddr,

    msg_namelen: socklen_t,

    msg_iov: [*]const iovec_const,

    msg_iovlen: i32,

    msg_control: ?*const anyopaque,

    msg_controllen: socklen_t,

    msg_flags: i32,
};

Stat

optional address size of address scatter/gather array # elements in msg_iov ancillary data ancillary data buffer len flags on received message The stat structure used by libc.

pub const Stat = extern struct {
    dev: dev_t,
    mode: mode_t,
    ino: ino_t,
    nlink: nlink_t,
    uid: uid_t,
    gid: gid_t,
    rdev: dev_t,
    atim: timespec,
    mtim: timespec,
    ctim: timespec,
    birthtim: timespec,
    size: off_t,
    blocks: blkcnt_t,
    blksize: blksize_t,
    flags: u32,
    gen: u32,
    __spare: [2]u32,

atime()

    pub fn atime(self: @This()) timespec {
        return self.atim;
    }

mtime()

    pub fn mtime(self: @This()) timespec {
        return self.mtim;
    }

ctime()

    pub fn ctime(self: @This()) timespec {
        return self.ctim;
    }

birthtime()

    pub fn birthtime(self: @This()) timespec {
        return self.birthtim;
    }
};

timespec

pub const timespec = extern struct {
    tv_sec: i64,
    tv_nsec: isize,
};

timeval

pub const timeval = extern struct {
    tv_sec: time_t,
    tv_usec: suseconds_t,
};

MAXNAMLEN

seconds microseconds

pub const MAXNAMLEN = 511;

dirent

pub const dirent = extern struct {
    d_fileno: ino_t,
    d_reclen: u16,
    d_namlen: u16,
    d_type: u8,
    d_name: [MAXNAMLEN + 1]u8,

reclen()

    pub fn reclen(self: dirent) u16 {
        return self.d_reclen;
    }
};

SOCK

pub const SOCK = struct {
    pub const STREAM = 1;
    pub const DGRAM = 2;
    pub const RAW = 3;
    pub const RDM = 4;
    pub const SEQPACKET = 5;
    pub const CONN_DGRAM = 6;
    pub const DCCP = CONN_DGRAM;

    pub const CLOEXEC = 0x10000000;
    pub const NONBLOCK = 0x20000000;
    pub const NOSIGPIPE = 0x40000000;
    pub const FLAGS_MASK = 0xf0000000;
};

SO

pub const SO = struct {
    pub const DEBUG = 0x0001;
    pub const ACCEPTCONN = 0x0002;
    pub const REUSEADDR = 0x0004;
    pub const KEEPALIVE = 0x0008;
    pub const DONTROUTE = 0x0010;
    pub const BROADCAST = 0x0020;
    pub const USELOOPBACK = 0x0040;
    pub const LINGER = 0x0080;
    pub const OOBINLINE = 0x0100;
    pub const REUSEPORT = 0x0200;
    pub const NOSIGPIPE = 0x0800;
    pub const ACCEPTFILTER = 0x1000;
    pub const TIMESTAMP = 0x2000;
    pub const RERROR = 0x4000;

    pub const SNDBUF = 0x1001;
    pub const RCVBUF = 0x1002;
    pub const SNDLOWAT = 0x1003;
    pub const RCVLOWAT = 0x1004;
    pub const ERROR = 0x1007;
    pub const TYPE = 0x1008;
    pub const OVERFLOWED = 0x1009;

    pub const NOHEADER = 0x100a;
    pub const SNDTIMEO = 0x100b;
    pub const RCVTIMEO = 0x100c;
};

SOL

pub const SOL = struct {
    pub const SOCKET = 0xffff;
};

PF

pub const PF = struct {
    pub const UNSPEC = AF.UNSPEC;
    pub const LOCAL = AF.LOCAL;
    pub const UNIX = PF.LOCAL;
    pub const INET = AF.INET;
    pub const IMPLINK = AF.IMPLINK;
    pub const PUP = AF.PUP;
    pub const CHAOS = AF.CHAOS;
    pub const NS = AF.NS;
    pub const ISO = AF.ISO;
    pub const OSI = AF.ISO;
    pub const ECMA = AF.ECMA;
    pub const DATAKIT = AF.DATAKIT;
    pub const CCITT = AF.CCITT;
    pub const SNA = AF.SNA;
    pub const DECnet = AF.DECnet;
    pub const DLI = AF.DLI;
    pub const LAT = AF.LAT;
    pub const HYLINK = AF.HYLINK;
    pub const APPLETALK = AF.APPLETALK;
    pub const OROUTE = AF.OROUTE;
    pub const LINK = AF.LINK;
    pub const COIP = AF.COIP;
    pub const CNT = AF.CNT;
    pub const INET6 = AF.INET6;
    pub const IPX = AF.IPX;
    pub const ISDN = AF.ISDN;
    pub const E164 = AF.E164;
    pub const NATM = AF.NATM;
    pub const ARP = AF.ARP;
    pub const BLUETOOTH = AF.BLUETOOTH;
    pub const MPLS = AF.MPLS;
    pub const ROUTE = AF.ROUTE;
    pub const CAN = AF.CAN;
    pub const ETHER = AF.ETHER;
    pub const MAX = AF.MAX;
};

AF

pub const AF = struct {
    pub const UNSPEC = 0;
    pub const LOCAL = 1;
    pub const UNIX = LOCAL;
    pub const INET = 2;
    pub const IMPLINK = 3;
    pub const PUP = 4;
    pub const CHAOS = 5;
    pub const NS = 6;
    pub const ISO = 7;
    pub const OSI = ISO;
    pub const ECMA = 8;
    pub const DATAKIT = 9;
    pub const CCITT = 10;
    pub const SNA = 11;
    pub const DECnet = 12;
    pub const DLI = 13;
    pub const LAT = 14;
    pub const HYLINK = 15;
    pub const APPLETALK = 16;
    pub const OROUTE = 17;
    pub const LINK = 18;
    pub const COIP = 20;
    pub const CNT = 21;
    pub const IPX = 23;
    pub const INET6 = 24;
    pub const ISDN = 26;
    pub const E164 = ISDN;
    pub const NATM = 27;
    pub const ARP = 28;
    pub const BLUETOOTH = 31;
    pub const IEEE80211 = 32;
    pub const MPLS = 33;
    pub const ROUTE = 34;
    pub const CAN = 35;
    pub const ETHER = 36;
    pub const MAX = 37;
};

in_port_t

pub const in_port_t = u16;

sa_family_t

pub const sa_family_t = u8;

sockaddr

pub const sockaddr = extern struct {
    len: u8,
    family: sa_family_t,
    data: [14]u8,

    pub const SS_MAXSIZE = 128;
    pub const storage = extern struct {
        len: u8 align(8),
        family: sa_family_t,
        padding: [126]u8 = undefined,

        comptime {
            assert(@sizeOf(storage) == SS_MAXSIZE);
            assert(@alignOf(storage) == 8);
        }
    };

    pub const in = extern struct {
        len: u8 = @sizeOf(in),
        family: sa_family_t = AF.INET,
        port: in_port_t,
        addr: u32,
        zero: [8]u8 = [8]u8{ 0, 0, 0, 0, 0, 0, 0, 0 },
    };

    pub const in6 = extern struct {
        len: u8 = @sizeOf(in6),
        family: sa_family_t = AF.INET6,
        port: in_port_t,
        flowinfo: u32,
        addr: [16]u8,
        scope_id: u32,
    };

    pub const un = extern struct {
        len: u8 = @sizeOf(un),

        family: sa_family_t = AF.LOCAL,

        path: [104]u8,
    };
};

AI

total length address family actually longer; address value Definitions for UNIX IPC domain. total sockaddr length path name

pub const AI = struct {
    pub const PASSIVE = 0x00000001;
    pub const CANONNAME = 0x00000002;
    pub const NUMERICHOST = 0x00000004;
    pub const NUMERICSERV = 0x00000008;
    pub const ADDRCONFIG = 0x00000400;
};

CTL

get address to use bind() fill ai_canonname prevent host name resolution prevent service name resolution only if any address is assigned

pub const CTL = struct {
    pub const KERN = 1;
    pub const DEBUG = 5;
};

KERN

pub const KERN = struct {
    pub const PROC_ARGS = 48; // struct: process argv/env
    pub const PROC_PATHNAME = 5; // path to executable
    pub const IOV_MAX = 38;
};

PATH_MAX

pub const PATH_MAX = 1024;

NAME_MAX

pub const NAME_MAX = 255;

IOV_MAX

pub const IOV_MAX = KERN.IOV_MAX;

STDIN_FILENO

pub const STDIN_FILENO = 0;

STDOUT_FILENO

pub const STDOUT_FILENO = 1;

STDERR_FILENO

pub const STDERR_FILENO = 2;

PROT

pub const PROT = struct {
    pub const NONE = 0;
    pub const READ = 1;
    pub const WRITE = 2;
    pub const EXEC = 4;
};

CLOCK

pub const CLOCK = struct {
    pub const REALTIME = 0;
    pub const VIRTUAL = 1;
    pub const PROF = 2;
    pub const MONOTONIC = 3;
    pub const THREAD_CPUTIME_ID = 0x20000000;
    pub const PROCESS_CPUTIME_ID = 0x40000000;
};

MAP

pub const MAP = struct {
    pub const FAILED = @as(*anyopaque, @ptrFromInt(maxInt(usize)));
    pub const SHARED = 0x0001;
    pub const PRIVATE = 0x0002;
    pub const REMAPDUP = 0x0004;
    pub const FIXED = 0x0010;
    pub const RENAME = 0x0020;
    pub const NORESERVE = 0x0040;
    pub const INHERIT = 0x0080;
    pub const HASSEMAPHORE = 0x0200;
    pub const TRYFIXED = 0x0400;
    pub const WIRED = 0x0800;

    pub const FILE = 0x0000;
    pub const NOSYNC = 0x0800;
    pub const ANON = 0x1000;
    pub const ANONYMOUS = ANON;
    pub const STACK = 0x2000;
};

MSF

pub const MSF = struct {
    pub const ASYNC = 1;
    pub const INVALIDATE = 2;
    pub const SYNC = 4;
};

W

pub const W = struct {
    pub const NOHANG = 0x00000001;
    pub const UNTRACED = 0x00000002;
    pub const STOPPED = UNTRACED;
    pub const CONTINUED = 0x00000010;
    pub const NOWAIT = 0x00010000;
    pub const EXITED = 0x00000020;
    pub const TRAPPED = 0x00000040;

EXITSTATUS()

    pub fn EXITSTATUS(s: u32) u8 {
        return @as(u8, @intCast((s >> 8) & 0xff));
    }

TERMSIG()

    pub fn TERMSIG(s: u32) u32 {
        return s & 0x7f;
    }

STOPSIG()

    pub fn STOPSIG(s: u32) u32 {
        return EXITSTATUS(s);
    }

IFEXITED()

    pub fn IFEXITED(s: u32) bool {
        return TERMSIG(s) == 0;
    }

IFCONTINUED()

    pub fn IFCONTINUED(s: u32) bool {
        return ((s & 0x7f) == 0xffff);
    }

IFSTOPPED()

    pub fn IFSTOPPED(s: u32) bool {
        return ((s & 0x7f != 0x7f) and !IFCONTINUED(s));
    }

IFSIGNALED()

    pub fn IFSIGNALED(s: u32) bool {
        return !IFSTOPPED(s) and !IFCONTINUED(s) and !IFEXITED(s);
    }
};

SA

pub const SA = struct {
    pub const ONSTACK = 0x0001;
    pub const RESTART = 0x0002;
    pub const RESETHAND = 0x0004;
    pub const NOCLDSTOP = 0x0008;
    pub const NODEFER = 0x0010;
    pub const NOCLDWAIT = 0x0020;
    pub const SIGINFO = 0x0040;
};

// access function

F_OK

pub const F_OK = 0; // test for existence of file

X_OK

pub const X_OK = 1; // test for execute or search permission

W_OK

pub const W_OK = 2; // test for write permission

R_OK

pub const R_OK = 4; // test for read permission

O

pub const O = struct {
    pub const RDONLY = 0x00000000;
    pub const WRONLY = 0x00000001;
    pub const RDWR = 0x00000002;
    pub const ACCMODE = 0x00000003;
    pub const NONBLOCK = 0x00000004;
    pub const APPEND = 0x00000008;
    pub const SHLOCK = 0x00000010;
    pub const EXLOCK = 0x00000020;
    pub const ASYNC = 0x00000040;
    pub const SYNC = 0x00000080;
    pub const NOFOLLOW = 0x00000100;
    pub const CREAT = 0x00000200;
    pub const TRUNC = 0x00000400;
    pub const EXCL = 0x00000800;
    pub const NOCTTY = 0x00008000;
    pub const DSYNC = 0x00010000;
    pub const RSYNC = 0x00020000;
    pub const ALT_IO = 0x00040000;
    pub const DIRECT = 0x00080000;
    pub const DIRECTORY = 0x00200000;
    pub const CLOEXEC = 0x00400000;
    pub const SEARCH = 0x00800000;
};

F

open for reading only open for writing only open for reading and writing mask for above modes no delay set append mode open with shared file lock open with exclusive file lock signal pgrp when data ready synchronous writes don't follow symlinks on the last create if nonexistent truncate to zero length error if already exists don't assign controlling terminal write: I/O data completion read: I/O completion as for write use alternate i/o semantics direct I/O hint fail if not a directory set close on exec skip search permission checks

pub const F = struct {
    pub const DUPFD = 0;
    pub const GETFD = 1;
    pub const SETFD = 2;
    pub const GETFL = 3;
    pub const SETFL = 4;
    pub const GETOWN = 5;
    pub const SETOWN = 6;
    pub const GETLK = 7;
    pub const SETLK = 8;
    pub const SETLKW = 9;
    pub const CLOSEM = 10;
    pub const MAXFD = 11;
    pub const DUPFD_CLOEXEC = 12;
    pub const GETNOSIGPIPE = 13;
    pub const SETNOSIGPIPE = 14;
    pub const GETPATH = 15;

    pub const RDLCK = 1;
    pub const WRLCK = 3;
    pub const UNLCK = 2;
};

LOCK

pub const LOCK = struct {
    pub const SH = 1;
    pub const EX = 2;
    pub const UN = 8;
    pub const NB = 4;
};

FD_CLOEXEC

pub const FD_CLOEXEC = 1;

SEEK

pub const SEEK = struct {
    pub const SET = 0;
    pub const CUR = 1;
    pub const END = 2;
};

DT

pub const DT = struct {
    pub const UNKNOWN = 0;
    pub const FIFO = 1;
    pub const CHR = 2;
    pub const DIR = 4;
    pub const BLK = 6;
    pub const REG = 8;
    pub const LNK = 10;
    pub const SOCK = 12;
    pub const WHT = 14;
};

EV_ADD

add event to kq (implies enable)

pub const EV_ADD = 0x0001;

EV_DELETE

delete event from kq

pub const EV_DELETE = 0x0002;

EV_ENABLE

enable event

pub const EV_ENABLE = 0x0004;

EV_DISABLE

disable event (not reported)

pub const EV_DISABLE = 0x0008;

EV_ONESHOT

only report one occurrence

pub const EV_ONESHOT = 0x0010;

EV_CLEAR

clear event state after reporting

pub const EV_CLEAR = 0x0020;

EV_RECEIPT

force immediate event output ... with or without EV_ERROR ... use KEVENT_FLAG_ERROR_EVENTS on syscalls supporting flags

pub const EV_RECEIPT = 0x0040;

EV_DISPATCH

disable event after reporting

pub const EV_DISPATCH = 0x0080;

EVFILT_READ

pub const EVFILT_READ = 0;

EVFILT_WRITE

pub const EVFILT_WRITE = 1;

EVFILT_AIO

attached to aio requests

pub const EVFILT_AIO = 2;

EVFILT_VNODE

attached to vnodes

pub const EVFILT_VNODE = 3;

EVFILT_PROC

attached to struct proc

pub const EVFILT_PROC = 4;

EVFILT_SIGNAL

attached to struct proc

pub const EVFILT_SIGNAL = 5;

EVFILT_TIMER

timers

pub const EVFILT_TIMER = 6;

EVFILT_FS

Filesystem events

pub const EVFILT_FS = 7;

EVFILT_USER

User events

pub const EVFILT_USER = 1;

NOTE_TRIGGER

On input, NOTE_TRIGGER causes the event to be triggered for output.

pub const NOTE_TRIGGER = 0x08000000;

NOTE_LOWAT

low water mark

pub const NOTE_LOWAT = 0x00000001;

NOTE_DELETE

vnode was removed

pub const NOTE_DELETE = 0x00000001;

NOTE_WRITE

data contents changed

pub const NOTE_WRITE = 0x00000002;

NOTE_EXTEND

size increased

pub const NOTE_EXTEND = 0x00000004;

NOTE_ATTRIB

attributes changed

pub const NOTE_ATTRIB = 0x00000008;

NOTE_LINK

link count changed

pub const NOTE_LINK = 0x00000010;

NOTE_RENAME

vnode was renamed

pub const NOTE_RENAME = 0x00000020;

NOTE_REVOKE

vnode access was revoked

pub const NOTE_REVOKE = 0x00000040;

NOTE_EXIT

process exited

pub const NOTE_EXIT = 0x80000000;

NOTE_FORK

process forked

pub const NOTE_FORK = 0x40000000;

NOTE_EXEC

process exec'd

pub const NOTE_EXEC = 0x20000000;

NOTE_PDATAMASK

mask for signal & exit status

pub const NOTE_PDATAMASK = 0x000fffff;

NOTE_PCTRLMASK

pub const NOTE_PCTRLMASK = 0xf0000000;

T

pub const T = struct {
    pub const IOCCBRK = 0x2000747a;
    pub const IOCCDTR = 0x20007478;
    pub const IOCCONS = 0x80047462;
    pub const IOCDCDTIMESTAMP = 0x40107458;
    pub const IOCDRAIN = 0x2000745e;
    pub const IOCEXCL = 0x2000740d;
    pub const IOCEXT = 0x80047460;
    pub const IOCFLAG_CDTRCTS = 0x10;
    pub const IOCFLAG_CLOCAL = 0x2;
    pub const IOCFLAG_CRTSCTS = 0x4;
    pub const IOCFLAG_MDMBUF = 0x8;
    pub const IOCFLAG_SOFTCAR = 0x1;
    pub const IOCFLUSH = 0x80047410;
    pub const IOCGETA = 0x402c7413;
    pub const IOCGETD = 0x4004741a;
    pub const IOCGFLAGS = 0x4004745d;
    pub const IOCGLINED = 0x40207442;
    pub const IOCGPGRP = 0x40047477;
    pub const IOCGQSIZE = 0x40047481;
    pub const IOCGRANTPT = 0x20007447;
    pub const IOCGSID = 0x40047463;
    pub const IOCGSIZE = 0x40087468;
    pub const IOCGWINSZ = 0x40087468;
    pub const IOCMBIC = 0x8004746b;
    pub const IOCMBIS = 0x8004746c;
    pub const IOCMGET = 0x4004746a;
    pub const IOCMSET = 0x8004746d;
    pub const IOCM_CAR = 0x40;
    pub const IOCM_CD = 0x40;
    pub const IOCM_CTS = 0x20;
    pub const IOCM_DSR = 0x100;
    pub const IOCM_DTR = 0x2;
    pub const IOCM_LE = 0x1;
    pub const IOCM_RI = 0x80;
    pub const IOCM_RNG = 0x80;
    pub const IOCM_RTS = 0x4;
    pub const IOCM_SR = 0x10;
    pub const IOCM_ST = 0x8;
    pub const IOCNOTTY = 0x20007471;
    pub const IOCNXCL = 0x2000740e;
    pub const IOCOUTQ = 0x40047473;
    pub const IOCPKT = 0x80047470;
    pub const IOCPKT_DATA = 0x0;
    pub const IOCPKT_DOSTOP = 0x20;
    pub const IOCPKT_FLUSHREAD = 0x1;
    pub const IOCPKT_FLUSHWRITE = 0x2;
    pub const IOCPKT_IOCTL = 0x40;
    pub const IOCPKT_NOSTOP = 0x10;
    pub const IOCPKT_START = 0x8;
    pub const IOCPKT_STOP = 0x4;
    pub const IOCPTMGET = 0x40287446;
    pub const IOCPTSNAME = 0x40287448;
    pub const IOCRCVFRAME = 0x80087445;
    pub const IOCREMOTE = 0x80047469;
    pub const IOCSBRK = 0x2000747b;
    pub const IOCSCTTY = 0x20007461;
    pub const IOCSDTR = 0x20007479;
    pub const IOCSETA = 0x802c7414;
    pub const IOCSETAF = 0x802c7416;
    pub const IOCSETAW = 0x802c7415;
    pub const IOCSETD = 0x8004741b;
    pub const IOCSFLAGS = 0x8004745c;
    pub const IOCSIG = 0x2000745f;
    pub const IOCSLINED = 0x80207443;
    pub const IOCSPGRP = 0x80047476;
    pub const IOCSQSIZE = 0x80047480;
    pub const IOCSSIZE = 0x80087467;
    pub const IOCSTART = 0x2000746e;
    pub const IOCSTAT = 0x80047465;
    pub const IOCSTI = 0x80017472;
    pub const IOCSTOP = 0x2000746f;
    pub const IOCSWINSZ = 0x80087467;
    pub const IOCUCNTL = 0x80047466;
    pub const IOCXMTFRAME = 0x80087444;
};

// Term
const V = struct {
    pub const EOF = 0; // ICANON
    pub const EOL = 1; // ICANON
    pub const EOL2 = 2; // ICANON
    pub const ERASE = 3; // ICANON
    pub const WERASE = 4; // ICANON
    pub const KILL = 5; // ICANON
    pub const REPRINT = 6; // ICANON
    //  7    spare 1
    pub const INTR = 8; // ISIG
    pub const QUIT = 9; // ISIG
    pub const SUSP = 10; // ISIG
    pub const DSUSP = 11; // ISIG
    pub const START = 12; // IXON, IXOFF
    pub const STOP = 13; // IXON, IXOFF
    pub const LNEXT = 14; // IEXTEN
    pub const DISCARD = 15; // IEXTEN
    pub const MIN = 16; // !ICANON
    pub const TIME = 17; // !ICANON
    pub const STATUS = 18; // ICANON
    //  19      spare 2
};

// Input flags - software input processing

IGNBRK

pub const IGNBRK: tcflag_t = 0x00000001; // ignore BREAK condition

BRKINT

pub const BRKINT: tcflag_t = 0x00000002; // map BREAK to SIGINT

IGNPAR

pub const IGNPAR: tcflag_t = 0x00000004; // ignore (discard) parity errors

PARMRK

pub const PARMRK: tcflag_t = 0x00000008; // mark parity and framing errors

INPCK

pub const INPCK: tcflag_t = 0x00000010; // enable checking of parity errors

ISTRIP

pub const ISTRIP: tcflag_t = 0x00000020; // strip 8th bit off chars

INLCR

pub const INLCR: tcflag_t = 0x00000040; // map NL into CR

IGNCR

pub const IGNCR: tcflag_t = 0x00000080; // ignore CR

ICRNL

pub const ICRNL: tcflag_t = 0x00000100; // map CR to NL (ala CRMOD)

IXON

pub const IXON: tcflag_t = 0x00000200; // enable output flow control

IXOFF

pub const IXOFF: tcflag_t = 0x00000400; // enable input flow control

IXANY

pub const IXANY: tcflag_t = 0x00000800; // any char will restart after stop

IMAXBEL

pub const IMAXBEL: tcflag_t = 0x00002000; // ring bell on input queue full

// Output flags - software output processing

OPOST

pub const OPOST: tcflag_t = 0x00000001; // enable following output processing

ONLCR

pub const ONLCR: tcflag_t = 0x00000002; // map NL to CR-NL (ala CRMOD)

OXTABS

pub const OXTABS: tcflag_t = 0x00000004; // expand tabs to spaces

ONOEOT

pub const ONOEOT: tcflag_t = 0x00000008; // discard EOT's (^D) on output

OCRNL

pub const OCRNL: tcflag_t = 0x00000010; // map CR to NL

ONOCR

pub const ONOCR: tcflag_t = 0x00000040; // discard CR's when on column 0

ONLRET

pub const ONLRET: tcflag_t = 0x00000080; // move to column 0 on CR

// Control flags - hardware control of terminal

CIGNORE

pub const CIGNORE: tcflag_t = 0x00000001; // ignore control flags

CSIZE

pub const CSIZE: tcflag_t = 0x00000300; // character size mask

CS5

pub const CS5: tcflag_t = 0x00000000; // 5 bits (pseudo)

CS6

pub const CS6: tcflag_t = 0x00000100; // 6 bits

CS7

pub const CS7: tcflag_t = 0x00000200; // 7 bits

CS8

pub const CS8: tcflag_t = 0x00000300; // 8 bits

CSTOPB

pub const CSTOPB: tcflag_t = 0x00000400; // send 2 stop bits

CREAD

pub const CREAD: tcflag_t = 0x00000800; // enable receiver

PARENB

pub const PARENB: tcflag_t = 0x00001000; // parity enable

PARODD

pub const PARODD: tcflag_t = 0x00002000; // odd parity, else even

HUPCL

pub const HUPCL: tcflag_t = 0x00004000; // hang up on last close

CLOCAL

pub const CLOCAL: tcflag_t = 0x00008000; // ignore modem status lines

CRTSCTS

pub const CRTSCTS: tcflag_t = 0x00010000; // RTS/CTS full-duplex flow control

CRTS_IFLOW

pub const CRTS_IFLOW: tcflag_t = CRTSCTS; // XXX compat

CCTS_OFLOW

pub const CCTS_OFLOW: tcflag_t = CRTSCTS; // XXX compat

CDTRCTS

pub const CDTRCTS: tcflag_t = 0x00020000; // DTR/CTS full-duplex flow control

MDMBUF

pub const MDMBUF: tcflag_t = 0x00100000; // DTR/DCD hardware flow control

CHWFLOW

pub const CHWFLOW: tcflag_t = (MDMBUF | CRTSCTS | CDTRCTS); // all types of hw flow control

tcflag_t

pub const tcflag_t = c_uint;

speed_t

pub const speed_t = c_uint;

cc_t

pub const cc_t = u8;

NCCS

pub const NCCS = 20;

termios

pub const termios = extern struct {
    iflag: tcflag_t, // input flags
    oflag: tcflag_t, // output flags
    cflag: tcflag_t, // control flags
    lflag: tcflag_t, // local flags
    cc: [NCCS]cc_t, // control chars
    ispeed: c_int, // input speed
    ospeed: c_int, // output speed
};

// Commands passed to tcsetattr() for setting the termios structure.

TCSA

pub const TCSA = struct {
    pub const NOW = 0; // make change immediate
    pub const DRAIN = 1; // drain output, then chage
    pub const FLUSH = 2; // drain output, flush input
    pub const SOFT = 0x10; // flag - don't alter h.w. state
};

// Standard speeds

B0

pub const B0: c_uint = 0;

B50

pub const B50: c_uint = 50;

B75

pub const B75: c_uint = 75;

B110

pub const B110: c_uint = 110;

B134

pub const B134: c_uint = 134;

B150

pub const B150: c_uint = 150;

B200

pub const B200: c_uint = 200;

B300

pub const B300: c_uint = 300;

B600

pub const B600: c_uint = 600;

B1200

pub const B1200: c_uint = 1200;

B1800

pub const B1800: c_uint = 1800;

B2400

pub const B2400: c_uint = 2400;

B4800

pub const B4800: c_uint = 4800;

B9600

pub const B9600: c_uint = 9600;

B19200

pub const B19200: c_uint = 19200;

B38400

pub const B38400: c_uint = 38400;

B7200

pub const B7200: c_uint = 7200;

B14400

pub const B14400: c_uint = 14400;

B28800

pub const B28800: c_uint = 28800;

B57600

pub const B57600: c_uint = 57600;

B76800

pub const B76800: c_uint = 76800;

B115200

pub const B115200: c_uint = 115200;

B230400

pub const B230400: c_uint = 230400;

B460800

pub const B460800: c_uint = 460800;

B500000

pub const B500000: c_uint = 500000;

B921600

pub const B921600: c_uint = 921600;

B1000000

pub const B1000000: c_uint = 1000000;

B1500000

pub const B1500000: c_uint = 1500000;

B2000000

pub const B2000000: c_uint = 2000000;

B2500000

pub const B2500000: c_uint = 2500000;

B3000000

pub const B3000000: c_uint = 3000000;

B3500000

pub const B3500000: c_uint = 3500000;

B4000000

pub const B4000000: c_uint = 4000000;

EXTA

pub const EXTA: c_uint = 19200;

EXTB

pub const EXTB: c_uint = 38400;

TCIFLUSH

pub const TCIFLUSH = 1;

TCOFLUSH

pub const TCOFLUSH = 2;

TCIOFLUSH

pub const TCIOFLUSH = 3;

TCOOFF

pub const TCOOFF = 1;

TCOON

pub const TCOON = 2;

TCIOFF

pub const TCIOFF = 3;

TCION

pub const TCION = 4;

winsize

pub const winsize = extern struct {
    ws_row: u16,
    ws_col: u16,
    ws_xpixel: u16,
    ws_ypixel: u16,
};

const NSIG = 32;

SIG

pub const SIG = struct {
    pub const DFL = @as(?Sigaction.handler_fn, @ptrFromInt(0));
    pub const IGN = @as(?Sigaction.handler_fn, @ptrFromInt(1));
    pub const ERR = @as(?Sigaction.handler_fn, @ptrFromInt(maxInt(usize)));

    pub const WORDS = 4;
    pub const MAXSIG = 128;

    pub const BLOCK = 1;
    pub const UNBLOCK = 2;
    pub const SETMASK = 3;

    pub const HUP = 1;
    pub const INT = 2;
    pub const QUIT = 3;
    pub const ILL = 4;
    pub const TRAP = 5;
    pub const ABRT = 6;
    pub const IOT = ABRT;
    pub const EMT = 7;
    pub const FPE = 8;
    pub const KILL = 9;
    pub const BUS = 10;
    pub const SEGV = 11;
    pub const SYS = 12;
    pub const PIPE = 13;
    pub const ALRM = 14;
    pub const TERM = 15;
    pub const URG = 16;
    pub const STOP = 17;
    pub const TSTP = 18;
    pub const CONT = 19;
    pub const CHLD = 20;
    pub const TTIN = 21;
    pub const TTOU = 22;
    pub const IO = 23;
    pub const XCPU = 24;
    pub const XFSZ = 25;
    pub const VTALRM = 26;
    pub const PROF = 27;
    pub const WINCH = 28;
    pub const INFO = 29;
    pub const USR1 = 30;
    pub const USR2 = 31;
    pub const PWR = 32;

    pub const RTMIN = 33;
    pub const RTMAX = 63;

IDX()

    pub inline fn IDX(sig: usize) usize {
        return sig - 1;
    }

WORD()

    pub inline fn WORD(sig: usize) usize {
        return IDX(sig) >> 5;
    }

BIT()

    pub inline fn BIT(sig: usize) usize {
        return 1 << (IDX(sig) & 31);
    }

VALID()

    pub inline fn VALID(sig: usize) usize {
        return sig <= MAXSIG and sig > 0;
    }
};

Sigaction

Renamed from sigaction to Sigaction to avoid conflict with the syscall.

pub const Sigaction = extern struct {
    pub const handler_fn = *const fn (c_int) align(1) callconv(.C) void;
    pub const sigaction_fn = *const fn (c_int, *const siginfo_t, ?*const anyopaque) callconv(.C) void;

    handler: extern union {
        handler: ?handler_fn,
        sigaction: ?sigaction_fn,
    },
    mask: sigset_t,
    flags: c_uint,
};

sigval_t

signal handler signal mask to apply signal options

pub const sigval_t = extern union {
    int: i32,
    ptr: ?*anyopaque,
};

siginfo_t

pub const siginfo_t = extern union {
    pad: [128]u8,
    info: _ksiginfo,
};

_ksiginfo

pub const _ksiginfo = extern struct {
    signo: i32,
    code: i32,
    errno: i32,
    // 64bit architectures insert 4bytes of padding here, this is done by
    // correctly aligning the reason field
    reason: extern union {
        rt: extern struct {
            pid: pid_t,
            uid: uid_t,
            value: sigval_t,
        },
        child: extern struct {
            pid: pid_t,
            uid: uid_t,
            status: i32,
            utime: clock_t,
            stime: clock_t,
        },
        fault: extern struct {
            addr: ?*anyopaque,
            trap: i32,
            trap2: i32,
            trap3: i32,
        },
        poll: extern struct {
            band: i32,
            fd: i32,
        },
        syscall: extern struct {
            sysnum: i32,
            retval: [2]i32,
            @"error": i32,
            args: [8]u64,
        },
        ptrace_state: extern struct {
            pe_report_event: i32,
            option: extern union {
                pe_other_pid: pid_t,
                pe_lwp: lwpid_t,
            },
        },
    } align(@sizeOf(usize)),
};

sigset_t

pub const sigset_t = extern struct {
    __bits: [SIG.WORDS]u32,
};

empty_sigset

pub const empty_sigset = sigset_t{ .__bits = [_]u32{0} ** SIG.WORDS };

mcontext_t

pub const mcontext_t = switch (builtin.cpu.arch) {
    .aarch64 => extern struct {
        gregs: [35]u64,
        fregs: [528]u8 align(16),
        spare: [8]u64,
    },
    .x86_64 => extern struct {
        gregs: [26]u64,
        mc_tlsbase: u64,
        fpregs: [512]u8 align(8),
    },
    else => struct {},
};

REG

pub const REG = switch (builtin.cpu.arch) {
    .aarch64 => struct {
        pub const FP = 29;
        pub const SP = 31;
        pub const PC = 32;
    },
    .arm => struct {
        pub const FP = 11;
        pub const SP = 13;
        pub const PC = 15;
    },
    .x86_64 => struct {
        pub const RDI = 0;
        pub const RSI = 1;
        pub const RDX = 2;
        pub const RCX = 3;
        pub const R8 = 4;
        pub const R9 = 5;
        pub const R10 = 6;
        pub const R11 = 7;
        pub const R12 = 8;
        pub const R13 = 9;
        pub const R14 = 10;
        pub const R15 = 11;
        pub const RBP = 12;
        pub const RBX = 13;
        pub const RAX = 14;
        pub const GS = 15;
        pub const FS = 16;
        pub const ES = 17;
        pub const DS = 18;
        pub const TRAPNO = 19;
        pub const ERR = 20;
        pub const RIP = 21;
        pub const CS = 22;
        pub const RFLAGS = 23;
        pub const RSP = 24;
        pub const SS = 25;
    },
    else => struct {},
};

ucontext_t

pub const ucontext_t = extern struct {
    flags: u32,
    link: ?*ucontext_t,
    sigmask: sigset_t,
    stack: stack_t,
    mcontext: mcontext_t,
    __pad: [
        switch (builtin.cpu.arch) {
            .x86 => 4,
            .mips, .mipsel, .mips64, .mips64el => 14,
            .arm, .armeb, .thumb, .thumbeb => 1,
            .sparc, .sparcel, .sparc64 => if (@sizeOf(usize) == 4) 43 else 8,
            else => 0,
        }
    ]u32,
};

E

pub const E = enum(u16) {
    SUCCESS = 0,
    PERM = 1, // Operation not permitted
    NOENT = 2, // No such file or directory
    SRCH = 3, // No such process
    INTR = 4, // Interrupted system call
    IO = 5, // Input/output error
    NXIO = 6, // Device not configured
    @"2BIG" = 7, // Argument list too long
    NOEXEC = 8, // Exec format error
    BADF = 9, // Bad file descriptor
    CHILD = 10, // No child processes
    DEADLK = 11, // Resource deadlock avoided
    // 11 was AGAIN
    NOMEM = 12, // Cannot allocate memory
    ACCES = 13, // Permission denied
    FAULT = 14, // Bad address
    NOTBLK = 15, // Block device required
    BUSY = 16, // Device busy
    EXIST = 17, // File exists
    XDEV = 18, // Cross-device link
    NODEV = 19, // Operation not supported by device
    NOTDIR = 20, // Not a directory
    ISDIR = 21, // Is a directory
    INVAL = 22, // Invalid argument
    NFILE = 23, // Too many open files in system
    MFILE = 24, // Too many open files
    NOTTY = 25, // Inappropriate ioctl for device
    TXTBSY = 26, // Text file busy
    FBIG = 27, // File too large
    NOSPC = 28, // No space left on device
    SPIPE = 29, // Illegal seek
    ROFS = 30, // Read-only file system
    MLINK = 31, // Too many links
    PIPE = 32, // Broken pipe

    // math software
    DOM = 33, // Numerical argument out of domain
    RANGE = 34, // Result too large or too small

    // non-blocking and interrupt i/o
    // also: WOULDBLOCK: operation would block
    AGAIN = 35, // Resource temporarily unavailable
    INPROGRESS = 36, // Operation now in progress
    ALREADY = 37, // Operation already in progress

    // ipc/network software -- argument errors
    NOTSOCK = 38, // Socket operation on non-socket
    DESTADDRREQ = 39, // Destination address required
    MSGSIZE = 40, // Message too long
    PROTOTYPE = 41, // Protocol wrong type for socket
    NOPROTOOPT = 42, // Protocol option not available
    PROTONOSUPPORT = 43, // Protocol not supported
    SOCKTNOSUPPORT = 44, // Socket type not supported
    OPNOTSUPP = 45, // Operation not supported
    PFNOSUPPORT = 46, // Protocol family not supported
    AFNOSUPPORT = 47, // Address family not supported by protocol family
    ADDRINUSE = 48, // Address already in use
    ADDRNOTAVAIL = 49, // Can't assign requested address

    // ipc/network software -- operational errors
    NETDOWN = 50, // Network is down
    NETUNREACH = 51, // Network is unreachable
    NETRESET = 52, // Network dropped connection on reset
    CONNABORTED = 53, // Software caused connection abort
    CONNRESET = 54, // Connection reset by peer
    NOBUFS = 55, // No buffer space available
    ISCONN = 56, // Socket is already connected
    NOTCONN = 57, // Socket is not connected
    SHUTDOWN = 58, // Can't send after socket shutdown
    TOOMANYREFS = 59, // Too many references: can't splice
    TIMEDOUT = 60, // Operation timed out
    CONNREFUSED = 61, // Connection refused

    LOOP = 62, // Too many levels of symbolic links
    NAMETOOLONG = 63, // File name too long

    // should be rearranged
    HOSTDOWN = 64, // Host is down
    HOSTUNREACH = 65, // No route to host
    NOTEMPTY = 66, // Directory not empty

    // quotas & mush
    PROCLIM = 67, // Too many processes
    USERS = 68, // Too many users
    DQUOT = 69, // Disc quota exceeded

    // Network File System
    STALE = 70, // Stale NFS file handle
    REMOTE = 71, // Too many levels of remote in path
    BADRPC = 72, // RPC struct is bad
    RPCMISMATCH = 73, // RPC version wrong
    PROGUNAVAIL = 74, // RPC prog. not avail
    PROGMISMATCH = 75, // Program version wrong
    PROCUNAVAIL = 76, // Bad procedure for program

    NOLCK = 77, // No locks available
    NOSYS = 78, // Function not implemented

    FTYPE = 79, // Inappropriate file type or format
    AUTH = 80, // Authentication error
    NEEDAUTH = 81, // Need authenticator

    // SystemV IPC
    IDRM = 82, // Identifier removed
    NOMSG = 83, // No message of desired type
    OVERFLOW = 84, // Value too large to be stored in data type

    // Wide/multibyte-character handling, ISO/IEC 9899/AMD1:1995
    ILSEQ = 85, // Illegal byte sequence

    // From IEEE Std 1003.1-2001
    // Base, Realtime, Threads or Thread Priority Scheduling option errors
    NOTSUP = 86, // Not supported

    // Realtime option errors
    CANCELED = 87, // Operation canceled

    // Realtime, XSI STREAMS option errors
    BADMSG = 88, // Bad or Corrupt message

    // XSI STREAMS option errors
    NODATA = 89, // No message available
    NOSR = 90, // No STREAM resources
    NOSTR = 91, // Not a STREAM
    TIME = 92, // STREAM ioctl timeout

    // File system extended attribute errors
    NOATTR = 93, // Attribute not found

    // Realtime, XSI STREAMS option errors
    MULTIHOP = 94, // Multihop attempted
    NOLINK = 95, // Link has been severed
    PROTO = 96, // Protocol error

    _,
};

MINSIGSTKSZ

No error occurred.

pub const MINSIGSTKSZ = 8192;

SIGSTKSZ

pub const SIGSTKSZ = MINSIGSTKSZ + 32768;

SS_ONSTACK

pub const SS_ONSTACK = 1;

SS_DISABLE

pub const SS_DISABLE = 4;

stack_t

pub const stack_t = extern struct {
    sp: [*]u8,
    size: isize,
    flags: i32,
};

S

pub const S = struct {
    pub const IFMT = 0o170000;

    pub const IFIFO = 0o010000;
    pub const IFCHR = 0o020000;
    pub const IFDIR = 0o040000;
    pub const IFBLK = 0o060000;
    pub const IFREG = 0o100000;
    pub const IFLNK = 0o120000;
    pub const IFSOCK = 0o140000;
    pub const IFWHT = 0o160000;

    pub const ISUID = 0o4000;
    pub const ISGID = 0o2000;
    pub const ISVTX = 0o1000;
    pub const IRWXU = 0o700;
    pub const IRUSR = 0o400;
    pub const IWUSR = 0o200;
    pub const IXUSR = 0o100;
    pub const IRWXG = 0o070;
    pub const IRGRP = 0o040;
    pub const IWGRP = 0o020;
    pub const IXGRP = 0o010;
    pub const IRWXO = 0o007;
    pub const IROTH = 0o004;
    pub const IWOTH = 0o002;
    pub const IXOTH = 0o001;

ISFIFO()

    pub fn ISFIFO(m: u32) bool {
        return m & IFMT == IFIFO;
    }

ISCHR()

    pub fn ISCHR(m: u32) bool {
        return m & IFMT == IFCHR;
    }

ISDIR()

    pub fn ISDIR(m: u32) bool {
        return m & IFMT == IFDIR;
    }

ISBLK()

    pub fn ISBLK(m: u32) bool {
        return m & IFMT == IFBLK;
    }

ISREG()

    pub fn ISREG(m: u32) bool {
        return m & IFMT == IFREG;
    }

ISLNK()

    pub fn ISLNK(m: u32) bool {
        return m & IFMT == IFLNK;
    }

ISSOCK()

    pub fn ISSOCK(m: u32) bool {
        return m & IFMT == IFSOCK;
    }

IWHT()

    pub fn IWHT(m: u32) bool {
        return m & IFMT == IFWHT;
    }
};

AT

pub const AT = struct {
    pub const FDCWD = -100;
    pub const EACCESS = 0x0100;
    pub const SYMLINK_NOFOLLOW = 0x0200;
    pub const SYMLINK_FOLLOW = 0x0400;
    pub const REMOVEDIR = 0x0800;
};

HOST_NAME_MAX

Magic value that specify the use of the current working directory to determine the target of relative file paths in the openat() and similar syscalls. Check access using effective user and group ID Do not follow symbolic links Follow symbolic link Remove directory instead of file

pub const HOST_NAME_MAX = 255;

IPPROTO

pub const IPPROTO = struct {
    pub const IP = 0;
    pub const HOPOPTS = 0;
    pub const ICMP = 1;
    pub const IGMP = 2;
    pub const GGP = 3;
    pub const IPV4 = 4;
    pub const IPIP = 4;
    pub const TCP = 6;
    pub const EGP = 8;
    pub const PUP = 12;
    pub const UDP = 17;
    pub const IDP = 22;
    pub const TP = 29;
    pub const DCCP = 33;
    pub const IPV6 = 41;
    pub const ROUTING = 43;
    pub const FRAGMENT = 44;
    pub const RSVP = 46;
    pub const GRE = 47;
    pub const ESP = 50;
    pub const AH = 51;
    pub const MOBILE = 55;
    pub const IPV6_ICMP = 58;
    pub const ICMPV6 = 58;
    pub const NONE = 59;
    pub const DSTOPTS = 60;
    pub const EON = 80;
    pub const ETHERIP = 97;
    pub const ENCAP = 98;
    pub const PIM = 103;
    pub const IPCOMP = 108;
    pub const VRRP = 112;
    pub const CARP = 112;
    pub const L2TP = 115;
    pub const SCTP = 132;
    pub const PFSYNC = 240;
    pub const RAW = 255;
};

rlimit_resource

dummy for IP IP6 hop-by-hop options control message protocol group mgmt protocol gateway^2 (deprecated) IP header IP inside IP tcp exterior gateway protocol pup user datagram protocol xns idp tp-4 w/ class negotiation DCCP IP6 header IP6 routing header IP6 fragmentation header resource reservation GRE encaps RFC 1701 encap. security payload authentication header IP Mobility RFC 2004 IPv6 ICMP ICMP6 IP6 no next header IP6 destination option ISO cnlp Ethernet-in-IP encapsulation header Protocol indep. multicast IP Payload Comp. Protocol VRRP RFC 2338 Common Address Resolution Protocol L2TPv3 SCTP PFSYNC raw IP packet

pub const rlimit_resource = enum(c_int) {
    CPU = 0,
    FSIZE = 1,
    DATA = 2,
    STACK = 3,
    CORE = 4,
    RSS = 5,
    MEMLOCK = 6,
    NPROC = 7,
    NOFILE = 8,
    SBSIZE = 9,
    VMEM = 10,
    NTHR = 11,
    _,

    pub const AS: rlimit_resource = .VMEM;
};

rlim_t

pub const rlim_t = u64;

RLIM

pub const RLIM = struct {
    pub const INFINITY: rlim_t = (1 << 63) - 1;

    pub const SAVED_MAX = INFINITY;
    pub const SAVED_CUR = INFINITY;
};

rlimit

No limit

pub const rlimit = extern struct {
    cur: rlim_t,
    max: rlim_t,
};

SHUT

Soft limit Hard limit

pub const SHUT = struct {
    pub const RD = 0;
    pub const WR = 1;
    pub const RDWR = 2;
};

nfds_t

pub const nfds_t = u32;

pollfd

pub const pollfd = extern struct {
    fd: fd_t,
    events: i16,
    revents: i16,
};

POLL

pub const POLL = struct {
    pub const IN = 0x0001;
    pub const PRI = 0x0002;
    pub const OUT = 0x0004;
    pub const RDNORM = 0x0040;
    pub const WRNORM = OUT;
    pub const RDBAND = 0x0080;
    pub const WRBAND = 0x0100;

    pub const ERR = 0x0008;
    pub const HUP = 0x0010;
    pub const NVAL = 0x0020;
};