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zig/lib/std/os/bits/netbsd.zig
Kenta Iwasaki aad8491dbd os: make msghdr, msghdr_const, and sockaddr_storage backwards-compatible 
`msghdr` and `msghdr_const` definitions have been added back the way
they were in std.os. std.os.sendmsg has also been modified to accept a
msghdr_const again to ensure backwards-compatibility with this PR.
Underneath the hood, std.os.sendmsg will @ptrCast the provided
msghdr_const into a std.x.os.Socket.Message.

`sockaddr_storage` definitions have been added back the way they were in
std.os, except that it now simply aliases
std.x.os.Socket.Address.Native.Storage as all of
std.x.os.Socket.Address.Native.Storage's fields are equivalent to the
fields that were previously defined for std.x.os.bits.sockaddr_storage.

std.x.os.Socket.sendMessage now no longer is a stub that aliases
std.os.sendmsg, but instead calls and handles
errors from std.os.system.sendmsg directly.

Addresses feedback to urge backwards compatibility from @andrewrk.
2021-06-01 18:24:43 +09:00

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// SPDX-License-Identifier: MIT
// Copyright (c) 2015-2021 Zig Contributors
// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
// The MIT license requires this copyright notice to be included in all copies
// and substantial portions of the software.
const std = @import("../../std.zig");
const builtin = std.builtin;
const maxInt = std.math.maxInt;
pub const blkcnt_t = i64;
pub const blksize_t = i32;
pub const clock_t = u32;
pub const dev_t = u64;
pub const fd_t = i32;
pub const gid_t = u32;
pub const ino_t = u64;
pub const mode_t = u32;
pub const nlink_t = u32;
pub const off_t = i64;
pub const pid_t = i32;
pub const socklen_t = u32;
pub const time_t = i64;
pub const uid_t = u32;
pub const lwpid_t = i32;
pub const suseconds_t = c_int;
/// 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,
};
pub const dl_phdr_info = extern struct {
dlpi_addr: usize,
dlpi_name: ?[*:0]const u8,
dlpi_phdr: [*]std.elf.Phdr,
dlpi_phnum: u16,
};
pub const Flock = extern struct {
l_start: off_t,
l_len: off_t,
l_pid: pid_t,
l_type: i16,
l_whence: i16,
};
pub const addrinfo = extern struct {
flags: i32,
family: i32,
socktype: i32,
protocol: i32,
addrlen: socklen_t,
canonname: ?[*:0]u8,
addr: ?*sockaddr,
next: ?*addrinfo,
};
pub const EAI = enum(c_int) {
/// address family for hostname not supported
ADDRFAMILY = 1,
/// name could not be resolved at this time
AGAIN = 2,
/// flags parameter had an invalid value
BADFLAGS = 3,
/// non-recoverable failure in name resolution
FAIL = 4,
/// address family not recognized
FAMILY = 5,
/// memory allocation failure
MEMORY = 6,
/// no address associated with hostname
NODATA = 7,
/// name does not resolve
NONAME = 8,
/// service not recognized for socket type
SERVICE = 9,
/// intended socket type was not recognized
SOCKTYPE = 10,
/// system error returned in errno
SYSTEM = 11,
/// invalid value for hints
BADHINTS = 12,
/// resolved protocol is unknown
PROTOCOL = 13,
/// argument buffer overflow
OVERFLOW = 14,
_,
};
pub const EAI_MAX = 15;
pub const msghdr = extern struct {
/// optional address
msg_name: ?*sockaddr,
/// size of address
msg_namelen: socklen_t,
/// scatter/gather array
msg_iov: [*]iovec,
/// # elements in msg_iov
msg_iovlen: i32,
/// ancillary data
msg_control: ?*c_void,
/// ancillary data buffer len
msg_controllen: socklen_t,
/// flags on received message
msg_flags: i32,
};
pub const msghdr_const = extern struct {
/// optional address
msg_name: ?*const sockaddr,
/// size of address
msg_namelen: socklen_t,
/// scatter/gather array
msg_iov: [*]iovec_const,
/// # elements in msg_iov
msg_iovlen: i32,
/// ancillary data
msg_control: ?*c_void,
/// ancillary data buffer len
msg_controllen: socklen_t,
/// flags on received message
msg_flags: i32,
};
pub const libc_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,
pub fn atime(self: @This()) timespec {
return self.atim;
}
pub fn mtime(self: @This()) timespec {
return self.mtim;
}
pub fn ctime(self: @This()) timespec {
return self.ctim;
}
};
pub const timespec = extern struct {
tv_sec: i64,
tv_nsec: isize,
};
pub const timeval = extern struct {
/// seconds
tv_sec: time_t,
/// microseconds
tv_usec: suseconds_t,
};
pub const MAXNAMLEN = 511;
pub const dirent = extern struct {
d_fileno: ino_t,
d_reclen: u16,
d_namlen: u16,
d_type: u8,
d_name: [MAXNAMLEN:0]u8,
pub fn reclen(self: dirent) u16 {
return self.d_reclen;
}
};
pub const in_port_t = u16;
pub const sa_family_t = u8;
pub const sockaddr = extern struct {
/// total length
len: u8,
/// address family
family: sa_family_t,
/// actually longer; address value
data: [14]u8,
};
pub const sockaddr_storage = std.x.os.Socket.Address.Native.Storage;
pub const sockaddr_in = extern struct {
len: u8 = @sizeOf(sockaddr_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 sockaddr_in6 = extern struct {
len: u8 = @sizeOf(sockaddr_in6),
family: sa_family_t = AF_INET6,
port: in_port_t,
flowinfo: u32,
addr: [16]u8,
scope_id: u32,
};
/// Definitions for UNIX IPC domain.
pub const sockaddr_un = extern struct {
/// total sockaddr length
len: u8 = @sizeOf(sockaddr_un),
/// AF_LOCAL
family: sa_family_t = AF_LOCAL,
/// path name
path: [104]u8,
};
/// get address to use bind()
pub const AI_PASSIVE = 0x00000001;
/// fill ai_canonname
pub const AI_CANONNAME = 0x00000002;
/// prevent host name resolution
pub const AI_NUMERICHOST = 0x00000004;
/// prevent service name resolution
pub const AI_NUMERICSERV = 0x00000008;
/// only if any address is assigned
pub const AI_ADDRCONFIG = 0x00000400;
pub const CTL_KERN = 1;
pub const CTL_DEBUG = 5;
pub const KERN_PROC_ARGS = 48; // struct: process argv/env
pub const KERN_PROC_PATHNAME = 5; // path to executable
pub const PATH_MAX = 1024;
pub const STDIN_FILENO = 0;
pub const STDOUT_FILENO = 1;
pub const STDERR_FILENO = 2;
pub const PROT_NONE = 0;
pub const PROT_READ = 1;
pub const PROT_WRITE = 2;
pub const PROT_EXEC = 4;
pub const CLOCK_REALTIME = 0;
pub const CLOCK_VIRTUAL = 1;
pub const CLOCK_PROF = 2;
pub const CLOCK_MONOTONIC = 3;
pub const CLOCK_THREAD_CPUTIME_ID = 0x20000000;
pub const CLOCK_PROCESS_CPUTIME_ID = 0x40000000;
pub const MAP_FAILED = @intToPtr(*c_void, maxInt(usize));
pub const MAP_SHARED = 0x0001;
pub const MAP_PRIVATE = 0x0002;
pub const MAP_REMAPDUP = 0x0004;
pub const MAP_FIXED = 0x0010;
pub const MAP_RENAME = 0x0020;
pub const MAP_NORESERVE = 0x0040;
pub const MAP_INHERIT = 0x0080;
pub const MAP_HASSEMAPHORE = 0x0200;
pub const MAP_TRYFIXED = 0x0400;
pub const MAP_WIRED = 0x0800;
pub const MAP_FILE = 0x0000;
pub const MAP_NOSYNC = 0x0800;
pub const MAP_ANON = 0x1000;
pub const MAP_ANONYMOUS = MAP_ANON;
pub const MAP_STACK = 0x2000;
pub const WNOHANG = 0x00000001;
pub const WUNTRACED = 0x00000002;
pub const WSTOPPED = WUNTRACED;
pub const WCONTINUED = 0x00000010;
pub const WNOWAIT = 0x00010000;
pub const WEXITED = 0x00000020;
pub const WTRAPPED = 0x00000040;
pub const SA_ONSTACK = 0x0001;
pub const SA_RESTART = 0x0002;
pub const SA_RESETHAND = 0x0004;
pub const SA_NOCLDSTOP = 0x0008;
pub const SA_NODEFER = 0x0010;
pub const SA_NOCLDWAIT = 0x0020;
pub const SA_SIGINFO = 0x0040;
pub const SIGHUP = 1;
pub const SIGINT = 2;
pub const SIGQUIT = 3;
pub const SIGILL = 4;
pub const SIGTRAP = 5;
pub const SIGABRT = 6;
pub const SIGIOT = SIGABRT;
pub const SIGEMT = 7;
pub const SIGFPE = 8;
pub const SIGKILL = 9;
pub const SIGBUS = 10;
pub const SIGSEGV = 11;
pub const SIGSYS = 12;
pub const SIGPIPE = 13;
pub const SIGALRM = 14;
pub const SIGTERM = 15;
pub const SIGURG = 16;
pub const SIGSTOP = 17;
pub const SIGTSTP = 18;
pub const SIGCONT = 19;
pub const SIGCHLD = 20;
pub const SIGTTIN = 21;
pub const SIGTTOU = 22;
pub const SIGIO = 23;
pub const SIGXCPU = 24;
pub const SIGXFSZ = 25;
pub const SIGVTALRM = 26;
pub const SIGPROF = 27;
pub const SIGWINCH = 28;
pub const SIGINFO = 29;
pub const SIGUSR1 = 30;
pub const SIGUSR2 = 31;
pub const SIGPWR = 32;
pub const SIGRTMIN = 33;
pub const SIGRTMAX = 63;
// access function
pub const F_OK = 0; // test for existence of file
pub const X_OK = 1; // test for execute or search permission
pub const W_OK = 2; // test for write permission
pub const R_OK = 4; // test for read permission
/// open for reading only
pub const O_RDONLY = 0x00000000;
/// open for writing only
pub const O_WRONLY = 0x00000001;
/// open for reading and writing
pub const O_RDWR = 0x00000002;
/// mask for above modes
pub const O_ACCMODE = 0x00000003;
/// no delay
pub const O_NONBLOCK = 0x00000004;
/// set append mode
pub const O_APPEND = 0x00000008;
/// open with shared file lock
pub const O_SHLOCK = 0x00000010;
/// open with exclusive file lock
pub const O_EXLOCK = 0x00000020;
/// signal pgrp when data ready
pub const O_ASYNC = 0x00000040;
/// synchronous writes
pub const O_SYNC = 0x00000080;
/// don't follow symlinks on the last
pub const O_NOFOLLOW = 0x00000100;
/// create if nonexistent
pub const O_CREAT = 0x00000200;
/// truncate to zero length
pub const O_TRUNC = 0x00000400;
/// error if already exists
pub const O_EXCL = 0x00000800;
/// don't assign controlling terminal
pub const O_NOCTTY = 0x00008000;
/// write: I/O data completion
pub const O_DSYNC = 0x00010000;
/// read: I/O completion as for write
pub const O_RSYNC = 0x00020000;
/// use alternate i/o semantics
pub const O_ALT_IO = 0x00040000;
/// direct I/O hint
pub const O_DIRECT = 0x00080000;
/// fail if not a directory
pub const O_DIRECTORY = 0x00200000;
/// set close on exec
pub const O_CLOEXEC = 0x00400000;
/// skip search permission checks
pub const O_SEARCH = 0x00800000;
pub const F_DUPFD = 0;
pub const F_GETFD = 1;
pub const F_SETFD = 2;
pub const F_GETFL = 3;
pub const F_SETFL = 4;
pub const F_GETOWN = 5;
pub const F_SETOWN = 6;
pub const F_GETLK = 7;
pub const F_SETLK = 8;
pub const F_SETLKW = 9;
pub const F_RDLCK = 1;
pub const F_WRLCK = 3;
pub const F_UNLCK = 2;
pub const LOCK_SH = 1;
pub const LOCK_EX = 2;
pub const LOCK_UN = 8;
pub const LOCK_NB = 4;
pub const FD_CLOEXEC = 1;
pub const SEEK_SET = 0;
pub const SEEK_CUR = 1;
pub const SEEK_END = 2;
pub const SIG_BLOCK = 1;
pub const SIG_UNBLOCK = 2;
pub const SIG_SETMASK = 3;
pub const SOCK_STREAM = 1;
pub const SOCK_DGRAM = 2;
pub const SOCK_RAW = 3;
pub const SOCK_RDM = 4;
pub const SOCK_SEQPACKET = 5;
pub const SOCK_CLOEXEC = 0x10000000;
pub const SOCK_NONBLOCK = 0x20000000;
pub const PF_UNSPEC = 0;
pub const PF_LOCAL = 1;
pub const PF_UNIX = PF_LOCAL;
pub const PF_FILE = PF_LOCAL;
pub const PF_INET = 2;
pub const PF_APPLETALK = 16;
pub const PF_INET6 = 24;
pub const PF_DECnet = 12;
pub const PF_KEY = 29;
pub const PF_ROUTE = 34;
pub const PF_SNA = 11;
pub const PF_MPLS = 33;
pub const PF_CAN = 35;
pub const PF_BLUETOOTH = 31;
pub const PF_ISDN = 26;
pub const PF_MAX = 37;
pub const AF_UNSPEC = PF_UNSPEC;
pub const AF_LOCAL = PF_LOCAL;
pub const AF_UNIX = AF_LOCAL;
pub const AF_FILE = AF_LOCAL;
pub const AF_INET = PF_INET;
pub const AF_APPLETALK = PF_APPLETALK;
pub const AF_INET6 = PF_INET6;
pub const AF_KEY = PF_KEY;
pub const AF_ROUTE = PF_ROUTE;
pub const AF_SNA = PF_SNA;
pub const AF_MPLS = PF_MPLS;
pub const AF_CAN = PF_CAN;
pub const AF_BLUETOOTH = PF_BLUETOOTH;
pub const AF_ISDN = PF_ISDN;
pub const AF_MAX = PF_MAX;
pub const DT_UNKNOWN = 0;
pub const DT_FIFO = 1;
pub const DT_CHR = 2;
pub const DT_DIR = 4;
pub const DT_BLK = 6;
pub const DT_REG = 8;
pub const DT_LNK = 10;
pub const DT_SOCK = 12;
pub const DT_WHT = 14;
/// add event to kq (implies enable)
pub const EV_ADD = 0x0001;
/// delete event from kq
pub const EV_DELETE = 0x0002;
/// enable event
pub const EV_ENABLE = 0x0004;
/// disable event (not reported)
pub const EV_DISABLE = 0x0008;
/// only report one occurrence
pub const EV_ONESHOT = 0x0010;
/// clear event state after reporting
pub const EV_CLEAR = 0x0020;
/// force immediate event output
/// ... with or without EV_ERROR
/// ... use KEVENT_FLAG_ERROR_EVENTS
/// on syscalls supporting flags
pub const EV_RECEIPT = 0x0040;
/// disable event after reporting
pub const EV_DISPATCH = 0x0080;
pub const EVFILT_READ = 0;
pub const EVFILT_WRITE = 1;
/// attached to aio requests
pub const EVFILT_AIO = 2;
/// attached to vnodes
pub const EVFILT_VNODE = 3;
/// attached to struct proc
pub const EVFILT_PROC = 4;
/// attached to struct proc
pub const EVFILT_SIGNAL = 5;
/// timers
pub const EVFILT_TIMER = 6;
/// Filesystem events
pub const EVFILT_FS = 7;
/// On input, NOTE_TRIGGER causes the event to be triggered for output.
pub const NOTE_TRIGGER = 0x08000000;
/// low water mark
pub const NOTE_LOWAT = 0x00000001;
/// vnode was removed
pub const NOTE_DELETE = 0x00000001;
/// data contents changed
pub const NOTE_WRITE = 0x00000002;
/// size increased
pub const NOTE_EXTEND = 0x00000004;
/// attributes changed
pub const NOTE_ATTRIB = 0x00000008;
/// link count changed
pub const NOTE_LINK = 0x00000010;
/// vnode was renamed
pub const NOTE_RENAME = 0x00000020;
/// vnode access was revoked
pub const NOTE_REVOKE = 0x00000040;
/// process exited
pub const NOTE_EXIT = 0x80000000;
/// process forked
pub const NOTE_FORK = 0x40000000;
/// process exec'd
pub const NOTE_EXEC = 0x20000000;
/// mask for signal & exit status
pub const NOTE_PDATAMASK = 0x000fffff;
pub const NOTE_PCTRLMASK = 0xf0000000;
pub const TIOCCBRK = 0x2000747a;
pub const TIOCCDTR = 0x20007478;
pub const TIOCCONS = 0x80047462;
pub const TIOCDCDTIMESTAMP = 0x40107458;
pub const TIOCDRAIN = 0x2000745e;
pub const TIOCEXCL = 0x2000740d;
pub const TIOCEXT = 0x80047460;
pub const TIOCFLAG_CDTRCTS = 0x10;
pub const TIOCFLAG_CLOCAL = 0x2;
pub const TIOCFLAG_CRTSCTS = 0x4;
pub const TIOCFLAG_MDMBUF = 0x8;
pub const TIOCFLAG_SOFTCAR = 0x1;
pub const TIOCFLUSH = 0x80047410;
pub const TIOCGETA = 0x402c7413;
pub const TIOCGETD = 0x4004741a;
pub const TIOCGFLAGS = 0x4004745d;
pub const TIOCGLINED = 0x40207442;
pub const TIOCGPGRP = 0x40047477;
pub const TIOCGQSIZE = 0x40047481;
pub const TIOCGRANTPT = 0x20007447;
pub const TIOCGSID = 0x40047463;
pub const TIOCGSIZE = 0x40087468;
pub const TIOCGWINSZ = 0x40087468;
pub const TIOCMBIC = 0x8004746b;
pub const TIOCMBIS = 0x8004746c;
pub const TIOCMGET = 0x4004746a;
pub const TIOCMSET = 0x8004746d;
pub const TIOCM_CAR = 0x40;
pub const TIOCM_CD = 0x40;
pub const TIOCM_CTS = 0x20;
pub const TIOCM_DSR = 0x100;
pub const TIOCM_DTR = 0x2;
pub const TIOCM_LE = 0x1;
pub const TIOCM_RI = 0x80;
pub const TIOCM_RNG = 0x80;
pub const TIOCM_RTS = 0x4;
pub const TIOCM_SR = 0x10;
pub const TIOCM_ST = 0x8;
pub const TIOCNOTTY = 0x20007471;
pub const TIOCNXCL = 0x2000740e;
pub const TIOCOUTQ = 0x40047473;
pub const TIOCPKT = 0x80047470;
pub const TIOCPKT_DATA = 0x0;
pub const TIOCPKT_DOSTOP = 0x20;
pub const TIOCPKT_FLUSHREAD = 0x1;
pub const TIOCPKT_FLUSHWRITE = 0x2;
pub const TIOCPKT_IOCTL = 0x40;
pub const TIOCPKT_NOSTOP = 0x10;
pub const TIOCPKT_START = 0x8;
pub const TIOCPKT_STOP = 0x4;
pub const TIOCPTMGET = 0x40287446;
pub const TIOCPTSNAME = 0x40287448;
pub const TIOCRCVFRAME = 0x80087445;
pub const TIOCREMOTE = 0x80047469;
pub const TIOCSBRK = 0x2000747b;
pub const TIOCSCTTY = 0x20007461;
pub const TIOCSDTR = 0x20007479;
pub const TIOCSETA = 0x802c7414;
pub const TIOCSETAF = 0x802c7416;
pub const TIOCSETAW = 0x802c7415;
pub const TIOCSETD = 0x8004741b;
pub const TIOCSFLAGS = 0x8004745c;
pub const TIOCSIG = 0x2000745f;
pub const TIOCSLINED = 0x80207443;
pub const TIOCSPGRP = 0x80047476;
pub const TIOCSQSIZE = 0x80047480;
pub const TIOCSSIZE = 0x80087467;
pub const TIOCSTART = 0x2000746e;
pub const TIOCSTAT = 0x80047465;
pub const TIOCSTI = 0x80017472;
pub const TIOCSTOP = 0x2000746f;
pub const TIOCSWINSZ = 0x80087467;
pub const TIOCUCNTL = 0x80047466;
pub const TIOCXMTFRAME = 0x80087444;
pub fn WEXITSTATUS(s: u32) u32 {
return (s >> 8) & 0xff;
}
pub fn WTERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn WSTOPSIG(s: u32) u32 {
return WEXITSTATUS(s);
}
pub fn WIFEXITED(s: u32) bool {
return WTERMSIG(s) == 0;
}
pub fn WIFCONTINUED(s: u32) bool {
return ((s & 0x7f) == 0xffff);
}
pub fn WIFSTOPPED(s: u32) bool {
return ((s & 0x7f != 0x7f) and !WIFCONTINUED(s));
}
pub fn WIFSIGNALED(s: u32) bool {
return !WIFSTOPPED(s) and !WIFCONTINUED(s) and !WIFEXITED(s);
}
pub const winsize = extern struct {
ws_row: u16,
ws_col: u16,
ws_xpixel: u16,
ws_ypixel: u16,
};
const NSIG = 32;
pub const SIG_DFL = @intToPtr(?Sigaction.sigaction_fn, 0);
pub const SIG_IGN = @intToPtr(?Sigaction.sigaction_fn, 1);
pub const SIG_ERR = @intToPtr(?Sigaction.sigaction_fn, maxInt(usize));
/// Renamed from `sigaction` to `Sigaction` to avoid conflict with the syscall.
pub const Sigaction = extern struct {
pub const handler_fn = fn (c_int) callconv(.C) void;
pub const sigaction_fn = fn (c_int, *const siginfo_t, ?*const c_void) callconv(.C) void;
/// signal handler
handler: extern union {
handler: ?handler_fn,
sigaction: ?sigaction_fn,
},
/// signal mask to apply
mask: sigset_t,
/// signal options
flags: c_uint,
};
pub const sigval_t = extern union {
int: i32,
ptr: ?*c_void,
};
pub const siginfo_t = extern union {
pad: [128]u8,
info: _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: ?*c_void,
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)),
};
pub const _SIG_WORDS = 4;
pub const _SIG_MAXSIG = 128;
pub inline fn _SIG_IDX(sig: usize) usize {
return sig - 1;
}
pub inline fn _SIG_WORD(sig: usize) usize {
return_SIG_IDX(sig) >> 5;
}
pub inline fn _SIG_BIT(sig: usize) usize {
return 1 << (_SIG_IDX(sig) & 31);
}
pub inline fn _SIG_VALID(sig: usize) usize {
return sig <= _SIG_MAXSIG and sig > 0;
}
pub const sigset_t = extern struct {
__bits: [_SIG_WORDS]u32,
};
pub const empty_sigset = sigset_t{ .__bits = [_]u32{0} ** _SIG_WORDS };
// XXX x86_64 specific
pub const mcontext_t = extern struct {
gregs: [26]u64,
mc_tlsbase: u64,
fpregs: [512]u8 align(8),
};
pub const REG_RBP = 12;
pub const REG_RIP = 21;
pub const REG_RSP = 24;
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) {
.i386 => 4,
.mips, .mipsel, .mips64, .mips64el => 14,
.arm, .armeb, .thumb, .thumbeb => 1,
.sparc, .sparcel, .sparcv9 => if (@sizeOf(usize) == 4) 43 else 8,
else => 0,
}
]u32,
};
pub const EPERM = 1; // Operation not permitted
pub const ENOENT = 2; // No such file or directory
pub const ESRCH = 3; // No such process
pub const EINTR = 4; // Interrupted system call
pub const EIO = 5; // Input/output error
pub const ENXIO = 6; // Device not configured
pub const E2BIG = 7; // Argument list too long
pub const ENOEXEC = 8; // Exec format error
pub const EBADF = 9; // Bad file descriptor
pub const ECHILD = 10; // No child processes
pub const EDEADLK = 11; // Resource deadlock avoided
// 11 was EAGAIN
pub const ENOMEM = 12; // Cannot allocate memory
pub const EACCES = 13; // Permission denied
pub const EFAULT = 14; // Bad address
pub const ENOTBLK = 15; // Block device required
pub const EBUSY = 16; // Device busy
pub const EEXIST = 17; // File exists
pub const EXDEV = 18; // Cross-device link
pub const ENODEV = 19; // Operation not supported by device
pub const ENOTDIR = 20; // Not a directory
pub const EISDIR = 21; // Is a directory
pub const EINVAL = 22; // Invalid argument
pub const ENFILE = 23; // Too many open files in system
pub const EMFILE = 24; // Too many open files
pub const ENOTTY = 25; // Inappropriate ioctl for device
pub const ETXTBSY = 26; // Text file busy
pub const EFBIG = 27; // File too large
pub const ENOSPC = 28; // No space left on device
pub const ESPIPE = 29; // Illegal seek
pub const EROFS = 30; // Read-only file system
pub const EMLINK = 31; // Too many links
pub const EPIPE = 32; // Broken pipe
// math software
pub const EDOM = 33; // Numerical argument out of domain
pub const ERANGE = 34; // Result too large or too small
// non-blocking and interrupt i/o
pub const EAGAIN = 35; // Resource temporarily unavailable
pub const EWOULDBLOCK = EAGAIN; // Operation would block
pub const EINPROGRESS = 36; // Operation now in progress
pub const EALREADY = 37; // Operation already in progress
// ipc/network software -- argument errors
pub const ENOTSOCK = 38; // Socket operation on non-socket
pub const EDESTADDRREQ = 39; // Destination address required
pub const EMSGSIZE = 40; // Message too long
pub const EPROTOTYPE = 41; // Protocol wrong type for socket
pub const ENOPROTOOPT = 42; // Protocol option not available
pub const EPROTONOSUPPORT = 43; // Protocol not supported
pub const ESOCKTNOSUPPORT = 44; // Socket type not supported
pub const EOPNOTSUPP = 45; // Operation not supported
pub const EPFNOSUPPORT = 46; // Protocol family not supported
pub const EAFNOSUPPORT = 47; // Address family not supported by protocol family
pub const EADDRINUSE = 48; // Address already in use
pub const EADDRNOTAVAIL = 49; // Can't assign requested address
// ipc/network software -- operational errors
pub const ENETDOWN = 50; // Network is down
pub const ENETUNREACH = 51; // Network is unreachable
pub const ENETRESET = 52; // Network dropped connection on reset
pub const ECONNABORTED = 53; // Software caused connection abort
pub const ECONNRESET = 54; // Connection reset by peer
pub const ENOBUFS = 55; // No buffer space available
pub const EISCONN = 56; // Socket is already connected
pub const ENOTCONN = 57; // Socket is not connected
pub const ESHUTDOWN = 58; // Can't send after socket shutdown
pub const ETOOMANYREFS = 59; // Too many references: can't splice
pub const ETIMEDOUT = 60; // Operation timed out
pub const ECONNREFUSED = 61; // Connection refused
pub const ELOOP = 62; // Too many levels of symbolic links
pub const ENAMETOOLONG = 63; // File name too long
// should be rearranged
pub const EHOSTDOWN = 64; // Host is down
pub const EHOSTUNREACH = 65; // No route to host
pub const ENOTEMPTY = 66; // Directory not empty
// quotas & mush
pub const EPROCLIM = 67; // Too many processes
pub const EUSERS = 68; // Too many users
pub const EDQUOT = 69; // Disc quota exceeded
// Network File System
pub const ESTALE = 70; // Stale NFS file handle
pub const EREMOTE = 71; // Too many levels of remote in path
pub const EBADRPC = 72; // RPC struct is bad
pub const ERPCMISMATCH = 73; // RPC version wrong
pub const EPROGUNAVAIL = 74; // RPC prog. not avail
pub const EPROGMISMATCH = 75; // Program version wrong
pub const EPROCUNAVAIL = 76; // Bad procedure for program
pub const ENOLCK = 77; // No locks available
pub const ENOSYS = 78; // Function not implemented
pub const EFTYPE = 79; // Inappropriate file type or format
pub const EAUTH = 80; // Authentication error
pub const ENEEDAUTH = 81; // Need authenticator
// SystemV IPC
pub const EIDRM = 82; // Identifier removed
pub const ENOMSG = 83; // No message of desired type
pub const EOVERFLOW = 84; // Value too large to be stored in data type
// Wide/multibyte-character handling, ISO/IEC 9899/AMD1:1995
pub const EILSEQ = 85; // Illegal byte sequence
// From IEEE Std 1003.1-2001
// Base, Realtime, Threads or Thread Priority Scheduling option errors
pub const ENOTSUP = 86; // Not supported
// Realtime option errors
pub const ECANCELED = 87; // Operation canceled
// Realtime, XSI STREAMS option errors
pub const EBADMSG = 88; // Bad or Corrupt message
// XSI STREAMS option errors
pub const ENODATA = 89; // No message available
pub const ENOSR = 90; // No STREAM resources
pub const ENOSTR = 91; // Not a STREAM
pub const ETIME = 92; // STREAM ioctl timeout
// File system extended attribute errors
pub const ENOATTR = 93; // Attribute not found
// Realtime, XSI STREAMS option errors
pub const EMULTIHOP = 94; // Multihop attempted
pub const ENOLINK = 95; // Link has been severed
pub const EPROTO = 96; // Protocol error
pub const ELAST = 96; // Must equal largest errno
pub const MINSIGSTKSZ = 8192;
pub const SIGSTKSZ = MINSIGSTKSZ + 32768;
pub const SS_ONSTACK = 1;
pub const SS_DISABLE = 4;
pub const stack_t = extern struct {
ss_sp: [*]u8,
ss_size: isize,
ss_flags: i32,
};
pub const S_IFMT = 0o170000;
pub const S_IFIFO = 0o010000;
pub const S_IFCHR = 0o020000;
pub const S_IFDIR = 0o040000;
pub const S_IFBLK = 0o060000;
pub const S_IFREG = 0o100000;
pub const S_IFLNK = 0o120000;
pub const S_IFSOCK = 0o140000;
pub const S_IFWHT = 0o160000;
pub const S_ISUID = 0o4000;
pub const S_ISGID = 0o2000;
pub const S_ISVTX = 0o1000;
pub const S_IRWXU = 0o700;
pub const S_IRUSR = 0o400;
pub const S_IWUSR = 0o200;
pub const S_IXUSR = 0o100;
pub const S_IRWXG = 0o070;
pub const S_IRGRP = 0o040;
pub const S_IWGRP = 0o020;
pub const S_IXGRP = 0o010;
pub const S_IRWXO = 0o007;
pub const S_IROTH = 0o004;
pub const S_IWOTH = 0o002;
pub const S_IXOTH = 0o001;
pub fn S_ISFIFO(m: u32) bool {
return m & S_IFMT == S_IFIFO;
}
pub fn S_ISCHR(m: u32) bool {
return m & S_IFMT == S_IFCHR;
}
pub fn S_ISDIR(m: u32) bool {
return m & S_IFMT == S_IFDIR;
}
pub fn S_ISBLK(m: u32) bool {
return m & S_IFMT == S_IFBLK;
}
pub fn S_ISREG(m: u32) bool {
return m & S_IFMT == S_IFREG;
}
pub fn S_ISLNK(m: u32) bool {
return m & S_IFMT == S_IFLNK;
}
pub fn S_ISSOCK(m: u32) bool {
return m & S_IFMT == S_IFSOCK;
}
pub fn S_IWHT(m: u32) bool {
return m & S_IFMT == S_IFWHT;
}
/// 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.
pub const AT_FDCWD = -100;
/// Check access using effective user and group ID
pub const AT_EACCESS = 0x0100;
/// Do not follow symbolic links
pub const AT_SYMLINK_NOFOLLOW = 0x0200;
/// Follow symbolic link
pub const AT_SYMLINK_FOLLOW = 0x0400;
/// Remove directory instead of file
pub const AT_REMOVEDIR = 0x0800;
pub const HOST_NAME_MAX = 255;
/// dummy for IP
pub const IPPROTO_IP = 0;
/// IP6 hop-by-hop options
pub const IPPROTO_HOPOPTS = 0;
/// control message protocol
pub const IPPROTO_ICMP = 1;
/// group mgmt protocol
pub const IPPROTO_IGMP = 2;
/// gateway^2 (deprecated)
pub const IPPROTO_GGP = 3;
/// IP header
pub const IPPROTO_IPV4 = 4;
/// IP inside IP
pub const IPPROTO_IPIP = 4;
/// tcp
pub const IPPROTO_TCP = 6;
/// exterior gateway protocol
pub const IPPROTO_EGP = 8;
/// pup
pub const IPPROTO_PUP = 12;
/// user datagram protocol
pub const IPPROTO_UDP = 17;
/// xns idp
pub const IPPROTO_IDP = 22;
/// tp-4 w/ class negotiation
pub const IPPROTO_TP = 29;
/// DCCP
pub const IPPROTO_DCCP = 33;
/// IP6 header
pub const IPPROTO_IPV6 = 41;
/// IP6 routing header
pub const IPPROTO_ROUTING = 43;
/// IP6 fragmentation header
pub const IPPROTO_FRAGMENT = 44;
/// resource reservation
pub const IPPROTO_RSVP = 46;
/// GRE encaps RFC 1701
pub const IPPROTO_GRE = 47;
/// encap. security payload
pub const IPPROTO_ESP = 50;
/// authentication header
pub const IPPROTO_AH = 51;
/// IP Mobility RFC 2004
pub const IPPROTO_MOBILE = 55;
/// IPv6 ICMP
pub const IPPROTO_IPV6_ICMP = 58;
/// ICMP6
pub const IPPROTO_ICMPV6 = 58;
/// IP6 no next header
pub const IPPROTO_NONE = 59;
/// IP6 destination option
pub const IPPROTO_DSTOPTS = 60;
/// ISO cnlp
pub const IPPROTO_EON = 80;
/// Ethernet-in-IP
pub const IPPROTO_ETHERIP = 97;
/// encapsulation header
pub const IPPROTO_ENCAP = 98;
/// Protocol indep. multicast
pub const IPPROTO_PIM = 103;
/// IP Payload Comp. Protocol
pub const IPPROTO_IPCOMP = 108;
/// VRRP RFC 2338
pub const IPPROTO_VRRP = 112;
/// Common Address Resolution Protocol
pub const IPPROTO_CARP = 112;
/// L2TPv3
pub const IPPROTO_L2TP = 115;
/// SCTP
pub const IPPROTO_SCTP = 132;
/// PFSYNC
pub const IPPROTO_PFSYNC = 240;
/// raw IP packet
pub const IPPROTO_RAW = 255;
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;
};
pub const rlim_t = u64;
/// No limit
pub const RLIM_INFINITY: rlim_t = (1 << 63) - 1;
pub const RLIM_SAVED_MAX = RLIM_INFINITY;
pub const RLIM_SAVED_CUR = RLIM_INFINITY;
pub const rlimit = extern struct {
/// Soft limit
cur: rlim_t,
/// Hard limit
max: rlim_t,
};
pub const SHUT_RD = 0;
pub const SHUT_WR = 1;
pub const SHUT_RDWR = 2;
pub const nfds_t = u32;
pub const pollfd = extern struct {
fd: fd_t,
events: i16,
revents: i16,
};
/// Testable events (may be specified in events field).
pub const POLLIN = 0x0001;
pub const POLLPRI = 0x0002;
pub const POLLOUT = 0x0004;
pub const POLLRDNORM = 0x0040;
pub const POLLWRNORM = POLLOUT;
pub const POLLRDBAND = 0x0080;
pub const POLLWRBAND = 0x0100;
/// Non-testable events (may not be specified in events field).
pub const POLLERR = 0x0008;
pub const POLLHUP = 0x0010;
pub const POLLNVAL = 0x0020;
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