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-rw-r--r--lib/std/os/bits/darwin.zig1180
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diff --git a/lib/std/os/bits/darwin.zig b/lib/std/os/bits/darwin.zig
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+++ b/lib/std/os/bits/darwin.zig
@@ -0,0 +1,1180 @@
+const std = @import("../../std.zig");
+const assert = std.debug.assert;
+const maxInt = std.math.maxInt;
+
+pub const fd_t = c_int;
+pub const pid_t = c_int;
+
+pub const in_port_t = u16;
+pub const sa_family_t = u8;
+pub const socklen_t = u32;
+pub const sockaddr = extern union {
+ in: sockaddr_in,
+ in6: sockaddr_in6,
+};
+pub const sockaddr_in = extern struct {
+ len: u8,
+ family: sa_family_t,
+ port: in_port_t,
+ addr: u32,
+ zero: [8]u8,
+};
+pub const sockaddr_in6 = extern struct {
+ len: u8,
+ family: sa_family_t,
+ port: in_port_t,
+ flowinfo: u32,
+ addr: [16]u8,
+ scope_id: u32,
+};
+
+pub const timeval = extern struct {
+ tv_sec: c_long,
+ tv_usec: i32,
+};
+
+pub const timezone = extern struct {
+ tz_minuteswest: i32,
+ tz_dsttime: i32,
+};
+
+pub const mach_timebase_info_data = extern struct {
+ numer: u32,
+ denom: u32,
+};
+
+pub const off_t = i64;
+
+/// Renamed to Stat to not conflict with the stat function.
+/// atime, mtime, and ctime have functions to return `timespec`,
+/// because although this is a POSIX API, the layout and names of
+/// the structs are inconsistent across operating systems, and
+/// in C, macros are used to hide the differences. Here we use
+/// methods to accomplish this.
+pub const Stat = extern struct {
+ dev: i32,
+ mode: u16,
+ nlink: u16,
+ ino: u64,
+ uid: u32,
+ gid: u32,
+ rdev: i32,
+ atimesec: isize,
+ atimensec: isize,
+ mtimesec: isize,
+ mtimensec: isize,
+ ctimesec: isize,
+ ctimensec: isize,
+ birthtimesec: isize,
+ birthtimensec: isize,
+ size: off_t,
+ blocks: i64,
+ blksize: i32,
+ flags: u32,
+ gen: u32,
+ lspare: i32,
+ qspare: [2]i64,
+
+ pub fn atime(self: Stat) timespec {
+ return timespec{
+ .tv_sec = self.atimesec,
+ .tv_nsec = self.atimensec,
+ };
+ }
+
+ pub fn mtime(self: Stat) timespec {
+ return timespec{
+ .tv_sec = self.mtimesec,
+ .tv_nsec = self.mtimensec,
+ };
+ }
+
+ pub fn ctime(self: Stat) timespec {
+ return timespec{
+ .tv_sec = self.ctimesec,
+ .tv_nsec = self.ctimensec,
+ };
+ }
+};
+
+pub const timespec = extern struct {
+ tv_sec: isize,
+ tv_nsec: isize,
+};
+
+pub const sigset_t = u32;
+pub const empty_sigset = sigset_t(0);
+
+/// Renamed from `sigaction` to `Sigaction` to avoid conflict with function name.
+pub const Sigaction = extern struct {
+ handler: extern fn (c_int) void,
+ sa_mask: sigset_t,
+ sa_flags: c_int,
+};
+
+pub const dirent = extern struct {
+ d_ino: usize,
+ d_seekoff: usize,
+ d_reclen: u16,
+ d_namlen: u16,
+ d_type: u8,
+ d_name: u8, // field address is address of first byte of name
+};
+
+pub const pthread_attr_t = extern struct {
+ __sig: c_long,
+ __opaque: [56]u8,
+};
+
+/// Renamed from `kevent` to `Kevent` to avoid conflict with function name.
+pub const Kevent = extern struct {
+ ident: usize,
+ filter: i16,
+ flags: u16,
+ fflags: u32,
+ data: isize,
+ udata: usize,
+};
+
+// sys/types.h on macos uses #pragma pack(4) so these checks are
+// to make sure the struct is laid out the same. These values were
+// produced from C code using the offsetof macro.
+comptime {
+ assert(@byteOffsetOf(Kevent, "ident") == 0);
+ assert(@byteOffsetOf(Kevent, "filter") == 8);
+ assert(@byteOffsetOf(Kevent, "flags") == 10);
+ assert(@byteOffsetOf(Kevent, "fflags") == 12);
+ assert(@byteOffsetOf(Kevent, "data") == 16);
+ assert(@byteOffsetOf(Kevent, "udata") == 24);
+}
+
+pub const kevent64_s = extern struct {
+ ident: u64,
+ filter: i16,
+ flags: u16,
+ fflags: u32,
+ data: i64,
+ udata: u64,
+ ext: [2]u64,
+};
+
+// sys/types.h on macos uses #pragma pack() so these checks are
+// to make sure the struct is laid out the same. These values were
+// produced from C code using the offsetof macro.
+comptime {
+ assert(@byteOffsetOf(kevent64_s, "ident") == 0);
+ assert(@byteOffsetOf(kevent64_s, "filter") == 8);
+ assert(@byteOffsetOf(kevent64_s, "flags") == 10);
+ assert(@byteOffsetOf(kevent64_s, "fflags") == 12);
+ assert(@byteOffsetOf(kevent64_s, "data") == 16);
+ assert(@byteOffsetOf(kevent64_s, "udata") == 24);
+ assert(@byteOffsetOf(kevent64_s, "ext") == 32);
+}
+
+pub const mach_port_t = c_uint;
+pub const clock_serv_t = mach_port_t;
+pub const clock_res_t = c_int;
+pub const mach_port_name_t = natural_t;
+pub const natural_t = c_uint;
+pub const mach_timespec_t = extern struct {
+ tv_sec: c_uint,
+ tv_nsec: clock_res_t,
+};
+pub const kern_return_t = c_int;
+pub const host_t = mach_port_t;
+pub const CALENDAR_CLOCK = 1;
+
+pub const PATH_MAX = 1024;
+
+pub const STDIN_FILENO = 0;
+pub const STDOUT_FILENO = 1;
+pub const STDERR_FILENO = 2;
+
+/// [MC2] no permissions
+pub const PROT_NONE = 0x00;
+
+/// [MC2] pages can be read
+pub const PROT_READ = 0x01;
+
+/// [MC2] pages can be written
+pub const PROT_WRITE = 0x02;
+
+/// [MC2] pages can be executed
+pub const PROT_EXEC = 0x04;
+
+/// allocated from memory, swap space
+pub const MAP_ANONYMOUS = 0x1000;
+
+/// map from file (default)
+pub const MAP_FILE = 0x0000;
+
+/// interpret addr exactly
+pub const MAP_FIXED = 0x0010;
+
+/// region may contain semaphores
+pub const MAP_HASSEMAPHORE = 0x0200;
+
+/// changes are private
+pub const MAP_PRIVATE = 0x0002;
+
+/// share changes
+pub const MAP_SHARED = 0x0001;
+
+/// don't cache pages for this mapping
+pub const MAP_NOCACHE = 0x0400;
+
+/// don't reserve needed swap area
+pub const MAP_NORESERVE = 0x0040;
+pub const MAP_FAILED = @intToPtr(*c_void, maxInt(usize));
+
+/// [XSI] no hang in wait/no child to reap
+pub const WNOHANG = 0x00000001;
+
+/// [XSI] notify on stop, untraced child
+pub const WUNTRACED = 0x00000002;
+
+/// take signal on signal stack
+pub const SA_ONSTACK = 0x0001;
+
+/// restart system on signal return
+pub const SA_RESTART = 0x0002;
+
+/// reset to SIG_DFL when taking signal
+pub const SA_RESETHAND = 0x0004;
+
+/// do not generate SIGCHLD on child stop
+pub const SA_NOCLDSTOP = 0x0008;
+
+/// don't mask the signal we're delivering
+pub const SA_NODEFER = 0x0010;
+
+/// don't keep zombies around
+pub const SA_NOCLDWAIT = 0x0020;
+
+/// signal handler with SA_SIGINFO args
+pub const SA_SIGINFO = 0x0040;
+
+/// do not bounce off kernel's sigtramp
+pub const SA_USERTRAMP = 0x0100;
+
+/// signal handler with SA_SIGINFO args with 64bit regs information
+pub const SA_64REGSET = 0x0200;
+
+pub const O_LARGEFILE = 0x0000;
+pub const O_PATH = 0x0000;
+
+pub const F_OK = 0;
+pub const X_OK = 1;
+pub const W_OK = 2;
+pub const R_OK = 4;
+
+/// open for reading only
+pub const O_RDONLY = 0x0000;
+
+/// open for writing only
+pub const O_WRONLY = 0x0001;
+
+/// open for reading and writing
+pub const O_RDWR = 0x0002;
+
+/// do not block on open or for data to become available
+pub const O_NONBLOCK = 0x0004;
+
+/// append on each write
+pub const O_APPEND = 0x0008;
+
+/// create file if it does not exist
+pub const O_CREAT = 0x0200;
+
+/// truncate size to 0
+pub const O_TRUNC = 0x0400;
+
+/// error if O_CREAT and the file exists
+pub const O_EXCL = 0x0800;
+
+/// atomically obtain a shared lock
+pub const O_SHLOCK = 0x0010;
+
+/// atomically obtain an exclusive lock
+pub const O_EXLOCK = 0x0020;
+
+/// do not follow symlinks
+pub const O_NOFOLLOW = 0x0100;
+
+/// allow open of symlinks
+pub const O_SYMLINK = 0x200000;
+
+/// descriptor requested for event notifications only
+pub const O_EVTONLY = 0x8000;
+
+/// mark as close-on-exec
+pub const O_CLOEXEC = 0x1000000;
+
+pub const O_ACCMODE = 3;
+pub const O_ALERT = 536870912;
+pub const O_ASYNC = 64;
+pub const O_DIRECTORY = 1048576;
+pub const O_DP_GETRAWENCRYPTED = 1;
+pub const O_DP_GETRAWUNENCRYPTED = 2;
+pub const O_DSYNC = 4194304;
+pub const O_FSYNC = O_SYNC;
+pub const O_NOCTTY = 131072;
+pub const O_POPUP = 2147483648;
+pub const O_SYNC = 128;
+
+pub const SEEK_SET = 0x0;
+pub const SEEK_CUR = 0x1;
+pub const SEEK_END = 0x2;
+
+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;
+
+/// block specified signal set
+pub const SIG_BLOCK = 1;
+
+/// unblock specified signal set
+pub const SIG_UNBLOCK = 2;
+
+/// set specified signal set
+pub const SIG_SETMASK = 3;
+
+/// hangup
+pub const SIGHUP = 1;
+
+/// interrupt
+pub const SIGINT = 2;
+
+/// quit
+pub const SIGQUIT = 3;
+
+/// illegal instruction (not reset when caught)
+pub const SIGILL = 4;
+
+/// trace trap (not reset when caught)
+pub const SIGTRAP = 5;
+
+/// abort()
+pub const SIGABRT = 6;
+
+/// pollable event ([XSR] generated, not supported)
+pub const SIGPOLL = 7;
+
+/// compatibility
+pub const SIGIOT = SIGABRT;
+
+/// EMT instruction
+pub const SIGEMT = 7;
+
+/// floating point exception
+pub const SIGFPE = 8;
+
+/// kill (cannot be caught or ignored)
+pub const SIGKILL = 9;
+
+/// bus error
+pub const SIGBUS = 10;
+
+/// segmentation violation
+pub const SIGSEGV = 11;
+
+/// bad argument to system call
+pub const SIGSYS = 12;
+
+/// write on a pipe with no one to read it
+pub const SIGPIPE = 13;
+
+/// alarm clock
+pub const SIGALRM = 14;
+
+/// software termination signal from kill
+pub const SIGTERM = 15;
+
+/// urgent condition on IO channel
+pub const SIGURG = 16;
+
+/// sendable stop signal not from tty
+pub const SIGSTOP = 17;
+
+/// stop signal from tty
+pub const SIGTSTP = 18;
+
+/// continue a stopped process
+pub const SIGCONT = 19;
+
+/// to parent on child stop or exit
+pub const SIGCHLD = 20;
+
+/// to readers pgrp upon background tty read
+pub const SIGTTIN = 21;
+
+/// like TTIN for output if (tp->t_local&LTOSTOP)
+pub const SIGTTOU = 22;
+
+/// input/output possible signal
+pub const SIGIO = 23;
+
+/// exceeded CPU time limit
+pub const SIGXCPU = 24;
+
+/// exceeded file size limit
+pub const SIGXFSZ = 25;
+
+/// virtual time alarm
+pub const SIGVTALRM = 26;
+
+/// profiling time alarm
+pub const SIGPROF = 27;
+
+/// window size changes
+pub const SIGWINCH = 28;
+
+/// information request
+pub const SIGINFO = 29;
+
+/// user defined signal 1
+pub const SIGUSR1 = 30;
+
+/// user defined signal 2
+pub const SIGUSR2 = 31;
+
+/// no flag value
+pub const KEVENT_FLAG_NONE = 0x000;
+
+/// immediate timeout
+pub const KEVENT_FLAG_IMMEDIATE = 0x001;
+
+/// output events only include change
+pub const KEVENT_FLAG_ERROR_EVENTS = 0x002;
+
+/// 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;
+
+/// unique kevent per udata value
+pub const EV_UDATA_SPECIFIC = 0x0100;
+
+/// ... in combination with EV_DELETE
+/// will defer delete until udata-specific
+/// event enabled. EINPROGRESS will be
+/// returned to indicate the deferral
+pub const EV_DISPATCH2 = EV_DISPATCH | EV_UDATA_SPECIFIC;
+
+/// report that source has vanished
+/// ... only valid with EV_DISPATCH2
+pub const EV_VANISHED = 0x0200;
+
+/// reserved by system
+pub const EV_SYSFLAGS = 0xF000;
+
+/// filter-specific flag
+pub const EV_FLAG0 = 0x1000;
+
+/// filter-specific flag
+pub const EV_FLAG1 = 0x2000;
+
+/// EOF detected
+pub const EV_EOF = 0x8000;
+
+/// error, data contains errno
+pub const EV_ERROR = 0x4000;
+
+pub const EV_POLL = EV_FLAG0;
+pub const EV_OOBAND = EV_FLAG1;
+
+pub const EVFILT_READ = -1;
+pub const EVFILT_WRITE = -2;
+
+/// attached to aio requests
+pub const EVFILT_AIO = -3;
+
+/// attached to vnodes
+pub const EVFILT_VNODE = -4;
+
+/// attached to struct proc
+pub const EVFILT_PROC = -5;
+
+/// attached to struct proc
+pub const EVFILT_SIGNAL = -6;
+
+/// timers
+pub const EVFILT_TIMER = -7;
+
+/// Mach portsets
+pub const EVFILT_MACHPORT = -8;
+
+/// Filesystem events
+pub const EVFILT_FS = -9;
+
+/// User events
+pub const EVFILT_USER = -10;
+
+/// Virtual memory events
+pub const EVFILT_VM = -12;
+
+/// Exception events
+pub const EVFILT_EXCEPT = -15;
+
+pub const EVFILT_SYSCOUNT = 17;
+
+/// On input, NOTE_TRIGGER causes the event to be triggered for output.
+pub const NOTE_TRIGGER = 0x01000000;
+
+/// ignore input fflags
+pub const NOTE_FFNOP = 0x00000000;
+
+/// and fflags
+pub const NOTE_FFAND = 0x40000000;
+
+/// or fflags
+pub const NOTE_FFOR = 0x80000000;
+
+/// copy fflags
+pub const NOTE_FFCOPY = 0xc0000000;
+
+/// mask for operations
+pub const NOTE_FFCTRLMASK = 0xc0000000;
+pub const NOTE_FFLAGSMASK = 0x00ffffff;
+
+/// low water mark
+pub const NOTE_LOWAT = 0x00000001;
+
+/// OOB data
+pub const NOTE_OOB = 0x00000002;
+
+/// 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;
+
+/// No specific vnode event: to test for EVFILT_READ activation
+pub const NOTE_NONE = 0x00000080;
+
+/// vnode was unlocked by flock(2)
+pub const NOTE_FUNLOCK = 0x00000100;
+
+/// process exited
+pub const NOTE_EXIT = 0x80000000;
+
+/// process forked
+pub const NOTE_FORK = 0x40000000;
+
+/// process exec'd
+pub const NOTE_EXEC = 0x20000000;
+
+/// shared with EVFILT_SIGNAL
+pub const NOTE_SIGNAL = 0x08000000;
+
+/// exit status to be returned, valid for child process only
+pub const NOTE_EXITSTATUS = 0x04000000;
+
+/// provide details on reasons for exit
+pub const NOTE_EXIT_DETAIL = 0x02000000;
+
+/// mask for signal & exit status
+pub const NOTE_PDATAMASK = 0x000fffff;
+pub const NOTE_PCTRLMASK = (~NOTE_PDATAMASK);
+
+pub const NOTE_EXIT_DETAIL_MASK = 0x00070000;
+pub const NOTE_EXIT_DECRYPTFAIL = 0x00010000;
+pub const NOTE_EXIT_MEMORY = 0x00020000;
+pub const NOTE_EXIT_CSERROR = 0x00040000;
+
+/// will react on memory pressure
+pub const NOTE_VM_PRESSURE = 0x80000000;
+
+/// will quit on memory pressure, possibly after cleaning up dirty state
+pub const NOTE_VM_PRESSURE_TERMINATE = 0x40000000;
+
+/// will quit immediately on memory pressure
+pub const NOTE_VM_PRESSURE_SUDDEN_TERMINATE = 0x20000000;
+
+/// there was an error
+pub const NOTE_VM_ERROR = 0x10000000;
+
+/// data is seconds
+pub const NOTE_SECONDS = 0x00000001;
+
+/// data is microseconds
+pub const NOTE_USECONDS = 0x00000002;
+
+/// data is nanoseconds
+pub const NOTE_NSECONDS = 0x00000004;
+
+/// absolute timeout
+pub const NOTE_ABSOLUTE = 0x00000008;
+
+/// ext[1] holds leeway for power aware timers
+pub const NOTE_LEEWAY = 0x00000010;
+
+/// system does minimal timer coalescing
+pub const NOTE_CRITICAL = 0x00000020;
+
+/// system does maximum timer coalescing
+pub const NOTE_BACKGROUND = 0x00000040;
+pub const NOTE_MACH_CONTINUOUS_TIME = 0x00000080;
+
+/// data is mach absolute time units
+pub const NOTE_MACHTIME = 0x00000100;
+
+pub const AF_UNSPEC = 0;
+pub const AF_LOCAL = 1;
+pub const AF_UNIX = AF_LOCAL;
+pub const AF_INET = 2;
+pub const AF_SYS_CONTROL = 2;
+pub const AF_IMPLINK = 3;
+pub const AF_PUP = 4;
+pub const AF_CHAOS = 5;
+pub const AF_NS = 6;
+pub const AF_ISO = 7;
+pub const AF_OSI = AF_ISO;
+pub const AF_ECMA = 8;
+pub const AF_DATAKIT = 9;
+pub const AF_CCITT = 10;
+pub const AF_SNA = 11;
+pub const AF_DECnet = 12;
+pub const AF_DLI = 13;
+pub const AF_LAT = 14;
+pub const AF_HYLINK = 15;
+pub const AF_APPLETALK = 16;
+pub const AF_ROUTE = 17;
+pub const AF_LINK = 18;
+pub const AF_XTP = 19;
+pub const AF_COIP = 20;
+pub const AF_CNT = 21;
+pub const AF_RTIP = 22;
+pub const AF_IPX = 23;
+pub const AF_SIP = 24;
+pub const AF_PIP = 25;
+pub const AF_ISDN = 28;
+pub const AF_E164 = AF_ISDN;
+pub const AF_KEY = 29;
+pub const AF_INET6 = 30;
+pub const AF_NATM = 31;
+pub const AF_SYSTEM = 32;
+pub const AF_NETBIOS = 33;
+pub const AF_PPP = 34;
+pub const AF_MAX = 40;
+
+pub const PF_UNSPEC = AF_UNSPEC;
+pub const PF_LOCAL = AF_LOCAL;
+pub const PF_UNIX = PF_LOCAL;
+pub const PF_INET = AF_INET;
+pub const PF_IMPLINK = AF_IMPLINK;
+pub const PF_PUP = AF_PUP;
+pub const PF_CHAOS = AF_CHAOS;
+pub const PF_NS = AF_NS;
+pub const PF_ISO = AF_ISO;
+pub const PF_OSI = AF_ISO;
+pub const PF_ECMA = AF_ECMA;
+pub const PF_DATAKIT = AF_DATAKIT;
+pub const PF_CCITT = AF_CCITT;
+pub const PF_SNA = AF_SNA;
+pub const PF_DECnet = AF_DECnet;
+pub const PF_DLI = AF_DLI;
+pub const PF_LAT = AF_LAT;
+pub const PF_HYLINK = AF_HYLINK;
+pub const PF_APPLETALK = AF_APPLETALK;
+pub const PF_ROUTE = AF_ROUTE;
+pub const PF_LINK = AF_LINK;
+pub const PF_XTP = AF_XTP;
+pub const PF_COIP = AF_COIP;
+pub const PF_CNT = AF_CNT;
+pub const PF_SIP = AF_SIP;
+pub const PF_IPX = AF_IPX;
+pub const PF_RTIP = AF_RTIP;
+pub const PF_PIP = AF_PIP;
+pub const PF_ISDN = AF_ISDN;
+pub const PF_KEY = AF_KEY;
+pub const PF_INET6 = AF_INET6;
+pub const PF_NATM = AF_NATM;
+pub const PF_SYSTEM = AF_SYSTEM;
+pub const PF_NETBIOS = AF_NETBIOS;
+pub const PF_PPP = AF_PPP;
+pub const PF_MAX = AF_MAX;
+
+pub const SYSPROTO_EVENT = 1;
+pub const SYSPROTO_CONTROL = 2;
+
+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_MAXADDRLEN = 255;
+
+pub const IPPROTO_ICMP = 1;
+pub const IPPROTO_ICMPV6 = 58;
+pub const IPPROTO_TCP = 6;
+pub const IPPROTO_UDP = 17;
+pub const IPPROTO_IP = 0;
+pub const IPPROTO_IPV6 = 41;
+
+fn wstatus(x: u32) u32 {
+ return x & 0o177;
+}
+const wstopped = 0o177;
+pub fn WEXITSTATUS(x: u32) u32 {
+ return x >> 8;
+}
+pub fn WTERMSIG(x: u32) u32 {
+ return wstatus(x);
+}
+pub fn WSTOPSIG(x: u32) u32 {
+ return x >> 8;
+}
+pub fn WIFEXITED(x: u32) bool {
+ return wstatus(x) == 0;
+}
+pub fn WIFSTOPPED(x: u32) bool {
+ return wstatus(x) == wstopped and WSTOPSIG(x) != 0x13;
+}
+pub fn WIFSIGNALED(x: u32) bool {
+ return wstatus(x) != wstopped and wstatus(x) != 0;
+}
+
+/// Operation not permitted
+pub const EPERM = 1;
+
+/// No such file or directory
+pub const ENOENT = 2;
+
+/// No such process
+pub const ESRCH = 3;
+
+/// Interrupted system call
+pub const EINTR = 4;
+
+/// Input/output error
+pub const EIO = 5;
+
+/// Device not configured
+pub const ENXIO = 6;
+
+/// Argument list too long
+pub const E2BIG = 7;
+
+/// Exec format error
+pub const ENOEXEC = 8;
+
+/// Bad file descriptor
+pub const EBADF = 9;
+
+/// No child processes
+pub const ECHILD = 10;
+
+/// Resource deadlock avoided
+pub const EDEADLK = 11;
+
+/// Cannot allocate memory
+pub const ENOMEM = 12;
+
+/// Permission denied
+pub const EACCES = 13;
+
+/// Bad address
+pub const EFAULT = 14;
+
+/// Block device required
+pub const ENOTBLK = 15;
+
+/// Device / Resource busy
+pub const EBUSY = 16;
+
+/// File exists
+pub const EEXIST = 17;
+
+/// Cross-device link
+pub const EXDEV = 18;
+
+/// Operation not supported by device
+pub const ENODEV = 19;
+
+/// Not a directory
+pub const ENOTDIR = 20;
+
+/// Is a directory
+pub const EISDIR = 21;
+
+/// Invalid argument
+pub const EINVAL = 22;
+
+/// Too many open files in system
+pub const ENFILE = 23;
+
+/// Too many open files
+pub const EMFILE = 24;
+
+/// Inappropriate ioctl for device
+pub const ENOTTY = 25;
+
+/// Text file busy
+pub const ETXTBSY = 26;
+
+/// File too large
+pub const EFBIG = 27;
+
+/// No space left on device
+pub const ENOSPC = 28;
+
+/// Illegal seek
+pub const ESPIPE = 29;
+
+/// Read-only file system
+pub const EROFS = 30;
+
+/// Too many links
+pub const EMLINK = 31;
+/// Broken pipe
+
+// math software
+pub const EPIPE = 32;
+
+/// Numerical argument out of domain
+pub const EDOM = 33;
+/// Result too large
+
+// non-blocking and interrupt i/o
+pub const ERANGE = 34;
+
+/// Resource temporarily unavailable
+pub const EAGAIN = 35;
+
+/// Operation would block
+pub const EWOULDBLOCK = EAGAIN;
+
+/// Operation now in progress
+pub const EINPROGRESS = 36;
+/// Operation already in progress
+
+// ipc/network software -- argument errors
+pub const EALREADY = 37;
+
+/// Socket operation on non-socket
+pub const ENOTSOCK = 38;
+
+/// Destination address required
+pub const EDESTADDRREQ = 39;
+
+/// Message too long
+pub const EMSGSIZE = 40;
+
+/// Protocol wrong type for socket
+pub const EPROTOTYPE = 41;
+
+/// Protocol not available
+pub const ENOPROTOOPT = 42;
+
+/// Protocol not supported
+pub const EPROTONOSUPPORT = 43;
+
+/// Socket type not supported
+pub const ESOCKTNOSUPPORT = 44;
+
+/// Operation not supported
+pub const ENOTSUP = 45;
+
+/// Protocol family not supported
+pub const EPFNOSUPPORT = 46;
+
+/// Address family not supported by protocol family
+pub const EAFNOSUPPORT = 47;
+
+/// Address already in use
+pub const EADDRINUSE = 48;
+/// Can't assign requested address
+
+// ipc/network software -- operational errors
+pub const EADDRNOTAVAIL = 49;
+
+/// Network is down
+pub const ENETDOWN = 50;
+
+/// Network is unreachable
+pub const ENETUNREACH = 51;
+
+/// Network dropped connection on reset
+pub const ENETRESET = 52;
+
+/// Software caused connection abort
+pub const ECONNABORTED = 53;
+
+/// Connection reset by peer
+pub const ECONNRESET = 54;
+
+/// No buffer space available
+pub const ENOBUFS = 55;
+
+/// Socket is already connected
+pub const EISCONN = 56;
+
+/// Socket is not connected
+pub const ENOTCONN = 57;
+
+/// Can't send after socket shutdown
+pub const ESHUTDOWN = 58;
+
+/// Too many references: can't splice
+pub const ETOOMANYREFS = 59;
+
+/// Operation timed out
+pub const ETIMEDOUT = 60;
+
+/// Connection refused
+pub const ECONNREFUSED = 61;
+
+/// Too many levels of symbolic links
+pub const ELOOP = 62;
+
+/// File name too long
+pub const ENAMETOOLONG = 63;
+
+/// Host is down
+pub const EHOSTDOWN = 64;
+
+/// No route to host
+pub const EHOSTUNREACH = 65;
+/// Directory not empty
+
+// quotas & mush
+pub const ENOTEMPTY = 66;
+
+/// Too many processes
+pub const EPROCLIM = 67;
+
+/// Too many users
+pub const EUSERS = 68;
+/// Disc quota exceeded
+
+// Network File System
+pub const EDQUOT = 69;
+
+/// Stale NFS file handle
+pub const ESTALE = 70;
+
+/// Too many levels of remote in path
+pub const EREMOTE = 71;
+
+/// RPC struct is bad
+pub const EBADRPC = 72;
+
+/// RPC version wrong
+pub const ERPCMISMATCH = 73;
+
+/// RPC prog. not avail
+pub const EPROGUNAVAIL = 74;
+
+/// Program version wrong
+pub const EPROGMISMATCH = 75;
+
+/// Bad procedure for program
+pub const EPROCUNAVAIL = 76;
+
+/// No locks available
+pub const ENOLCK = 77;
+
+/// Function not implemented
+pub const ENOSYS = 78;
+
+/// Inappropriate file type or format
+pub const EFTYPE = 79;
+
+/// Authentication error
+pub const EAUTH = 80;
+/// Need authenticator
+
+// Intelligent device errors
+pub const ENEEDAUTH = 81;
+
+/// Device power is off
+pub const EPWROFF = 82;
+
+/// Device error, e.g. paper out
+pub const EDEVERR = 83;
+/// Value too large to be stored in data type
+
+// Program loading errors
+pub const EOVERFLOW = 84;
+
+/// Bad executable
+pub const EBADEXEC = 85;
+
+/// Bad CPU type in executable
+pub const EBADARCH = 86;
+
+/// Shared library version mismatch
+pub const ESHLIBVERS = 87;
+
+/// Malformed Macho file
+pub const EBADMACHO = 88;
+
+/// Operation canceled
+pub const ECANCELED = 89;
+
+/// Identifier removed
+pub const EIDRM = 90;
+
+/// No message of desired type
+pub const ENOMSG = 91;
+
+/// Illegal byte sequence
+pub const EILSEQ = 92;
+
+/// Attribute not found
+pub const ENOATTR = 93;
+
+/// Bad message
+pub const EBADMSG = 94;
+
+/// Reserved
+pub const EMULTIHOP = 95;
+
+/// No message available on STREAM
+pub const ENODATA = 96;
+
+/// Reserved
+pub const ENOLINK = 97;
+
+/// No STREAM resources
+pub const ENOSR = 98;
+
+/// Not a STREAM
+pub const ENOSTR = 99;
+
+/// Protocol error
+pub const EPROTO = 100;
+
+/// STREAM ioctl timeout
+pub const ETIME = 101;
+
+/// No such policy registered
+pub const ENOPOLICY = 103;
+
+/// State not recoverable
+pub const ENOTRECOVERABLE = 104;
+
+/// Previous owner died
+pub const EOWNERDEAD = 105;
+
+/// Interface output queue is full
+pub const EQFULL = 106;
+
+/// Must be equal largest errno
+pub const ELAST = 106;
+
+pub const SIGSTKSZ = 131072;
+pub const 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;
+}
+pub const HOST_NAME_MAX = 72;