5f26d1dddb
Reported-by: daurnimator
847 lines
22 KiB
Zig
847 lines
22 KiB
Zig
const builtin = @import("builtin");
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pub use @import("errno.zig");
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const std = @import("../../index.zig");
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const c = std.c;
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const assert = std.debug.assert;
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const maxInt = std.math.maxInt;
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pub const Kevent = c.Kevent;
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pub const CTL_KERN = 1;
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pub const CTL_DEBUG = 5;
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pub const KERN_PROC = 14; // struct: process entries
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pub const KERN_PROC_PATHNAME = 12; // path to executable
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pub const PATH_MAX = 1024;
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pub const STDIN_FILENO = 0;
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pub const STDOUT_FILENO = 1;
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pub const STDERR_FILENO = 2;
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pub const PROT_NONE = 0;
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pub const PROT_READ = 1;
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pub const PROT_WRITE = 2;
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pub const PROT_EXEC = 4;
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pub const CLOCK_REALTIME = 0;
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pub const CLOCK_VIRTUAL = 1;
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pub const CLOCK_PROF = 2;
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pub const CLOCK_MONOTONIC = 4;
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pub const CLOCK_UPTIME = 5;
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pub const CLOCK_UPTIME_PRECISE = 7;
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pub const CLOCK_UPTIME_FAST = 8;
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pub const CLOCK_REALTIME_PRECISE = 9;
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pub const CLOCK_REALTIME_FAST = 10;
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pub const CLOCK_MONOTONIC_PRECISE = 11;
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pub const CLOCK_MONOTONIC_FAST = 12;
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pub const CLOCK_SECOND = 13;
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pub const CLOCK_THREAD_CPUTIME_ID = 14;
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pub const CLOCK_PROCESS_CPUTIME_ID = 15;
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pub const MAP_FAILED = maxInt(usize);
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pub const MAP_SHARED = 0x0001;
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pub const MAP_PRIVATE = 0x0002;
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pub const MAP_FIXED = 0x0010;
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pub const MAP_STACK = 0x0400;
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pub const MAP_NOSYNC = 0x0800;
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pub const MAP_ANON = 0x1000;
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pub const MAP_ANONYMOUS = MAP_ANON;
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pub const MAP_FILE = 0;
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pub const MAP_NORESERVE = 0;
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pub const MAP_GUARD = 0x00002000;
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pub const MAP_EXCL = 0x00004000;
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pub const MAP_NOCORE = 0x00020000;
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pub const MAP_PREFAULT_READ = 0x00040000;
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pub const MAP_32BIT = 0x00080000;
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pub const WNOHANG = 1;
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pub const WUNTRACED = 2;
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pub const WSTOPPED = WUNTRACED;
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pub const WCONTINUED = 4;
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pub const WNOWAIT = 8;
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pub const WEXITED = 16;
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pub const WTRAPPED = 32;
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pub const SA_ONSTACK = 0x0001;
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pub const SA_RESTART = 0x0002;
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pub const SA_RESETHAND = 0x0004;
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pub const SA_NOCLDSTOP = 0x0008;
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pub const SA_NODEFER = 0x0010;
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pub const SA_NOCLDWAIT = 0x0020;
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pub const SA_SIGINFO = 0x0040;
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pub const SIGHUP = 1;
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pub const SIGINT = 2;
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pub const SIGQUIT = 3;
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pub const SIGILL = 4;
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pub const SIGTRAP = 5;
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pub const SIGABRT = 6;
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pub const SIGIOT = SIGABRT;
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pub const SIGEMT = 7;
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pub const SIGFPE = 8;
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pub const SIGKILL = 9;
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pub const SIGBUS = 10;
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pub const SIGSEGV = 11;
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pub const SIGSYS = 12;
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pub const SIGPIPE = 13;
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pub const SIGALRM = 14;
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pub const SIGTERM = 15;
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pub const SIGURG = 16;
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pub const SIGSTOP = 17;
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pub const SIGTSTP = 18;
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pub const SIGCONT = 19;
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pub const SIGCHLD = 20;
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pub const SIGTTIN = 21;
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pub const SIGTTOU = 22;
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pub const SIGIO = 23;
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pub const SIGXCPU = 24;
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pub const SIGXFSZ = 25;
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pub const SIGVTALRM = 26;
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pub const SIGPROF = 27;
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pub const SIGWINCH = 28;
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pub const SIGINFO = 29;
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pub const SIGUSR1 = 30;
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pub const SIGUSR2 = 31;
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pub const SIGTHR = 32;
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pub const SIGLWP = SIGTHR;
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pub const SIGLIBRT = 33;
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pub const SIGRTMIN = 65;
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pub const SIGRTMAX = 126;
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// access function
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pub const F_OK = 0; // test for existence of file
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pub const X_OK = 1; // test for execute or search permission
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pub const W_OK = 2; // test for write permission
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pub const R_OK = 4; // test for read permission
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pub const O_RDONLY = 0x0000;
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pub const O_WRONLY = 0x0001;
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pub const O_RDWR = 0x0002;
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pub const O_ACCMODE = 0x0003;
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pub const O_CREAT = 0x0200;
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pub const O_EXCL = 0x0800;
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pub const O_NOCTTY = 0x8000;
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pub const O_TRUNC = 0x0400;
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pub const O_APPEND = 0x0008;
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pub const O_NONBLOCK = 0x0004;
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pub const O_DSYNC = 0o10000;
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pub const O_SYNC = 0x0080;
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pub const O_RSYNC = 0o4010000;
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pub const O_DIRECTORY = 0o200000;
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pub const O_NOFOLLOW = 0x0100;
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pub const O_CLOEXEC = 0x00100000;
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pub const O_ASYNC = 0x0040;
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pub const O_DIRECT = 0x00010000;
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pub const O_LARGEFILE = 0;
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pub const O_NOATIME = 0o1000000;
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pub const O_PATH = 0o10000000;
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pub const O_TMPFILE = 0o20200000;
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pub const O_NDELAY = O_NONBLOCK;
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pub const F_DUPFD = 0;
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pub const F_GETFD = 1;
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pub const F_SETFD = 2;
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pub const F_GETFL = 3;
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pub const F_SETFL = 4;
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pub const F_SETOWN = 8;
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pub const F_GETOWN = 9;
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pub const F_SETSIG = 10;
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pub const F_GETSIG = 11;
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pub const F_GETLK = 5;
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pub const F_SETLK = 6;
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pub const F_SETLKW = 7;
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pub const F_SETOWN_EX = 15;
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pub const F_GETOWN_EX = 16;
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pub const F_GETOWNER_UIDS = 17;
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pub const SEEK_SET = 0;
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pub const SEEK_CUR = 1;
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pub const SEEK_END = 2;
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pub const SIG_BLOCK = 1;
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pub const SIG_UNBLOCK = 2;
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pub const SIG_SETMASK = 3;
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pub const SOCK_STREAM = 1;
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pub const SOCK_DGRAM = 2;
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pub const SOCK_RAW = 3;
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pub const SOCK_RDM = 4;
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pub const SOCK_SEQPACKET = 5;
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pub const SOCK_CLOEXEC = 0x10000000;
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pub const SOCK_NONBLOCK = 0x20000000;
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pub const PROTO_ip = 0o000;
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pub const PROTO_icmp = 0o001;
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pub const PROTO_igmp = 0o002;
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pub const PROTO_ggp = 0o003;
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pub const PROTO_ipencap = 0o004;
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pub const PROTO_st = 0o005;
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pub const PROTO_tcp = 0o006;
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pub const PROTO_egp = 0o010;
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pub const PROTO_pup = 0o014;
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pub const PROTO_udp = 0o021;
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pub const PROTO_hmp = 0o024;
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pub const PROTO_xns_idp = 0o026;
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pub const PROTO_rdp = 0o033;
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pub const PROTO_iso_tp4 = 0o035;
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pub const PROTO_xtp = 0o044;
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pub const PROTO_ddp = 0o045;
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pub const PROTO_idpr_cmtp = 0o046;
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pub const PROTO_ipv6 = 0o051;
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pub const PROTO_ipv6_route = 0o053;
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pub const PROTO_ipv6_frag = 0o054;
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pub const PROTO_idrp = 0o055;
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pub const PROTO_rsvp = 0o056;
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pub const PROTO_gre = 0o057;
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pub const PROTO_esp = 0o062;
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pub const PROTO_ah = 0o063;
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pub const PROTO_skip = 0o071;
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pub const PROTO_ipv6_icmp = 0o072;
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pub const PROTO_ipv6_nonxt = 0o073;
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pub const PROTO_ipv6_opts = 0o074;
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pub const PROTO_rspf = 0o111;
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pub const PROTO_vmtp = 0o121;
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pub const PROTO_ospf = 0o131;
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pub const PROTO_ipip = 0o136;
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pub const PROTO_encap = 0o142;
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pub const PROTO_pim = 0o147;
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pub const PROTO_raw = 0o377;
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pub const PF_UNSPEC = 0;
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pub const PF_LOCAL = 1;
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pub const PF_UNIX = PF_LOCAL;
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pub const PF_FILE = PF_LOCAL;
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pub const PF_INET = 2;
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pub const PF_AX25 = 3;
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pub const PF_IPX = 4;
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pub const PF_APPLETALK = 5;
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pub const PF_NETROM = 6;
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pub const PF_BRIDGE = 7;
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pub const PF_ATMPVC = 8;
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pub const PF_X25 = 9;
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pub const PF_INET6 = 10;
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pub const PF_ROSE = 11;
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pub const PF_DECnet = 12;
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pub const PF_NETBEUI = 13;
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pub const PF_SECURITY = 14;
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pub const PF_KEY = 15;
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pub const PF_NETLINK = 16;
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pub const PF_ROUTE = PF_NETLINK;
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pub const PF_PACKET = 17;
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pub const PF_ASH = 18;
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pub const PF_ECONET = 19;
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pub const PF_ATMSVC = 20;
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pub const PF_RDS = 21;
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pub const PF_SNA = 22;
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pub const PF_IRDA = 23;
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pub const PF_PPPOX = 24;
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pub const PF_WANPIPE = 25;
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pub const PF_LLC = 26;
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pub const PF_IB = 27;
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pub const PF_MPLS = 28;
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pub const PF_CAN = 29;
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pub const PF_TIPC = 30;
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pub const PF_BLUETOOTH = 31;
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pub const PF_IUCV = 32;
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pub const PF_RXRPC = 33;
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pub const PF_ISDN = 34;
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pub const PF_PHONET = 35;
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pub const PF_IEEE802154 = 36;
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pub const PF_CAIF = 37;
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pub const PF_ALG = 38;
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pub const PF_NFC = 39;
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pub const PF_VSOCK = 40;
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pub const PF_MAX = 41;
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pub const AF_UNSPEC = PF_UNSPEC;
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pub const AF_LOCAL = PF_LOCAL;
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pub const AF_UNIX = AF_LOCAL;
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pub const AF_FILE = AF_LOCAL;
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pub const AF_INET = PF_INET;
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pub const AF_AX25 = PF_AX25;
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pub const AF_IPX = PF_IPX;
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pub const AF_APPLETALK = PF_APPLETALK;
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pub const AF_NETROM = PF_NETROM;
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pub const AF_BRIDGE = PF_BRIDGE;
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pub const AF_ATMPVC = PF_ATMPVC;
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pub const AF_X25 = PF_X25;
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pub const AF_INET6 = PF_INET6;
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pub const AF_ROSE = PF_ROSE;
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pub const AF_DECnet = PF_DECnet;
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pub const AF_NETBEUI = PF_NETBEUI;
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pub const AF_SECURITY = PF_SECURITY;
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pub const AF_KEY = PF_KEY;
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pub const AF_NETLINK = PF_NETLINK;
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pub const AF_ROUTE = PF_ROUTE;
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pub const AF_PACKET = PF_PACKET;
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pub const AF_ASH = PF_ASH;
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pub const AF_ECONET = PF_ECONET;
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pub const AF_ATMSVC = PF_ATMSVC;
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pub const AF_RDS = PF_RDS;
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pub const AF_SNA = PF_SNA;
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pub const AF_IRDA = PF_IRDA;
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pub const AF_PPPOX = PF_PPPOX;
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pub const AF_WANPIPE = PF_WANPIPE;
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pub const AF_LLC = PF_LLC;
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pub const AF_IB = PF_IB;
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pub const AF_MPLS = PF_MPLS;
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pub const AF_CAN = PF_CAN;
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pub const AF_TIPC = PF_TIPC;
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pub const AF_BLUETOOTH = PF_BLUETOOTH;
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pub const AF_IUCV = PF_IUCV;
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pub const AF_RXRPC = PF_RXRPC;
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pub const AF_ISDN = PF_ISDN;
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pub const AF_PHONET = PF_PHONET;
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pub const AF_IEEE802154 = PF_IEEE802154;
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pub const AF_CAIF = PF_CAIF;
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pub const AF_ALG = PF_ALG;
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pub const AF_NFC = PF_NFC;
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pub const AF_VSOCK = PF_VSOCK;
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pub const AF_MAX = PF_MAX;
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pub const DT_UNKNOWN = 0;
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pub const DT_FIFO = 1;
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pub const DT_CHR = 2;
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pub const DT_DIR = 4;
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pub const DT_BLK = 6;
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pub const DT_REG = 8;
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pub const DT_LNK = 10;
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pub const DT_SOCK = 12;
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pub const DT_WHT = 14;
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/// add event to kq (implies enable)
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pub const EV_ADD = 0x0001;
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/// delete event from kq
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pub const EV_DELETE = 0x0002;
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/// enable event
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pub const EV_ENABLE = 0x0004;
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/// disable event (not reported)
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pub const EV_DISABLE = 0x0008;
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/// only report one occurrence
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pub const EV_ONESHOT = 0x0010;
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/// clear event state after reporting
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pub const EV_CLEAR = 0x0020;
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/// force immediate event output
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/// ... with or without EV_ERROR
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/// ... use KEVENT_FLAG_ERROR_EVENTS
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/// on syscalls supporting flags
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pub const EV_RECEIPT = 0x0040;
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/// disable event after reporting
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pub const EV_DISPATCH = 0x0080;
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pub const EVFILT_READ = -1;
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pub const EVFILT_WRITE = -2;
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/// attached to aio requests
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pub const EVFILT_AIO = -3;
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/// attached to vnodes
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pub const EVFILT_VNODE = -4;
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/// attached to struct proc
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pub const EVFILT_PROC = -5;
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/// attached to struct proc
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pub const EVFILT_SIGNAL = -6;
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/// timers
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pub const EVFILT_TIMER = -7;
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/// Process descriptors
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pub const EVFILT_PROCDESC = -8;
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/// Filesystem events
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pub const EVFILT_FS = -9;
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pub const EVFILT_LIO = -10;
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/// User events
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pub const EVFILT_USER = -11;
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/// Sendfile events
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pub const EVFILT_SENDFILE = -12;
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pub const EVFILT_EMPTY = -13;
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/// On input, NOTE_TRIGGER causes the event to be triggered for output.
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pub const NOTE_TRIGGER = 0x01000000;
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/// ignore input fflags
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pub const NOTE_FFNOP = 0x00000000;
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/// and fflags
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pub const NOTE_FFAND = 0x40000000;
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/// or fflags
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pub const NOTE_FFOR = 0x80000000;
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/// copy fflags
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pub const NOTE_FFCOPY = 0xc0000000;
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/// mask for operations
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pub const NOTE_FFCTRLMASK = 0xc0000000;
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pub const NOTE_FFLAGSMASK = 0x00ffffff;
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/// low water mark
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pub const NOTE_LOWAT = 0x00000001;
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/// behave like poll()
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pub const NOTE_FILE_POLL = 0x00000002;
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/// vnode was removed
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pub const NOTE_DELETE = 0x00000001;
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/// data contents changed
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pub const NOTE_WRITE = 0x00000002;
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/// size increased
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pub const NOTE_EXTEND = 0x00000004;
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/// attributes changed
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pub const NOTE_ATTRIB = 0x00000008;
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/// link count changed
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pub const NOTE_LINK = 0x00000010;
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/// vnode was renamed
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pub const NOTE_RENAME = 0x00000020;
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/// vnode access was revoked
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pub const NOTE_REVOKE = 0x00000040;
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/// vnode was opened
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pub const NOTE_OPEN = 0x00000080;
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/// file closed, fd did not allow write
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pub const NOTE_CLOSE = 0x00000100;
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/// file closed, fd did allow write
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pub const NOTE_CLOSE_WRITE = 0x00000200;
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/// file was read
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pub const NOTE_READ = 0x00000400;
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/// process exited
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pub const NOTE_EXIT = 0x80000000;
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/// process forked
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pub const NOTE_FORK = 0x40000000;
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/// process exec'd
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pub const NOTE_EXEC = 0x20000000;
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/// mask for signal & exit status
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pub const NOTE_PDATAMASK = 0x000fffff;
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pub const NOTE_PCTRLMASK = (~NOTE_PDATAMASK);
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/// data is seconds
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pub const NOTE_SECONDS = 0x00000001;
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/// data is milliseconds
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pub const NOTE_MSECONDS = 0x00000002;
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/// data is microseconds
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pub const NOTE_USECONDS = 0x00000004;
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/// data is nanoseconds
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pub const NOTE_NSECONDS = 0x00000008;
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/// timeout is absolute
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pub const NOTE_ABSTIME = 0x00000010;
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pub const TCGETS = 0x5401;
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pub const TCSETS = 0x5402;
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pub const TCSETSW = 0x5403;
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pub const TCSETSF = 0x5404;
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pub const TCGETA = 0x5405;
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pub const TCSETA = 0x5406;
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pub const TCSETAW = 0x5407;
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pub const TCSETAF = 0x5408;
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pub const TCSBRK = 0x5409;
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pub const TCXONC = 0x540A;
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pub const TCFLSH = 0x540B;
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pub const TIOCEXCL = 0x540C;
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pub const TIOCNXCL = 0x540D;
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pub const TIOCSCTTY = 0x540E;
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pub const TIOCGPGRP = 0x540F;
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pub const TIOCSPGRP = 0x5410;
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pub const TIOCOUTQ = 0x5411;
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pub const TIOCSTI = 0x5412;
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pub const TIOCGWINSZ = 0x5413;
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pub const TIOCSWINSZ = 0x5414;
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pub const TIOCMGET = 0x5415;
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pub const TIOCMBIS = 0x5416;
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pub const TIOCMBIC = 0x5417;
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pub const TIOCMSET = 0x5418;
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pub const TIOCGSOFTCAR = 0x5419;
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pub const TIOCSSOFTCAR = 0x541A;
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pub const FIONREAD = 0x541B;
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pub const TIOCINQ = FIONREAD;
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pub const TIOCLINUX = 0x541C;
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pub const TIOCCONS = 0x541D;
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pub const TIOCGSERIAL = 0x541E;
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pub const TIOCSSERIAL = 0x541F;
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pub const TIOCPKT = 0x5420;
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pub const FIONBIO = 0x5421;
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|
pub const TIOCNOTTY = 0x5422;
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pub const TIOCSETD = 0x5423;
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pub const TIOCGETD = 0x5424;
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pub const TCSBRKP = 0x5425;
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|
pub const TIOCSBRK = 0x5427;
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pub const TIOCCBRK = 0x5428;
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pub const TIOCGSID = 0x5429;
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|
pub const TIOCGRS485 = 0x542E;
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|
pub const TIOCSRS485 = 0x542F;
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pub const TIOCGPTN = 0x80045430;
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pub const TIOCSPTLCK = 0x40045431;
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pub const TIOCGDEV = 0x80045432;
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pub const TCGETX = 0x5432;
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pub const TCSETX = 0x5433;
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pub const TCSETXF = 0x5434;
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pub const TCSETXW = 0x5435;
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pub const TIOCSIG = 0x40045436;
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pub const TIOCVHANGUP = 0x5437;
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pub const TIOCGPKT = 0x80045438;
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pub const TIOCGPTLCK = 0x80045439;
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pub const TIOCGEXCL = 0x80045440;
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pub const sockaddr = c.sockaddr;
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pub const sockaddr_in = c.sockaddr_in;
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pub const sockaddr_in6 = c.sockaddr_in6;
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fn unsigned(s: i32) u32 {
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|
return @bitCast(u32, s);
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}
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|
fn signed(s: u32) i32 {
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|
return @bitCast(i32, s);
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|
}
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pub fn WEXITSTATUS(s: i32) i32 {
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|
return signed((unsigned(s) & 0xff00) >> 8);
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|
}
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|
pub fn WTERMSIG(s: i32) i32 {
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|
return signed(unsigned(s) & 0x7f);
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|
}
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|
pub fn WSTOPSIG(s: i32) i32 {
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|
return WEXITSTATUS(s);
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|
}
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|
pub fn WIFEXITED(s: i32) bool {
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|
return WTERMSIG(s) == 0;
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}
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|
pub fn WIFSTOPPED(s: i32) bool {
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return @intCast(u16, (((unsigned(s) & 0xffff) *% 0x10001) >> 8)) > 0x7f00;
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}
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|
pub fn WIFSIGNALED(s: i32) bool {
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|
return (unsigned(s) & 0xffff) -% 1 < 0xff;
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}
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|
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|
pub const winsize = extern struct {
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ws_row: u16,
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ws_col: u16,
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|
ws_xpixel: u16,
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ws_ypixel: u16,
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};
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/// Get the errno from a syscall return value, or 0 for no error.
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pub fn getErrno(r: usize) usize {
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const signed_r = @bitCast(isize, r);
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return if (signed_r > -4096 and signed_r < 0) @intCast(usize, -signed_r) else 0;
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}
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|
|
|
pub fn dup2(old: i32, new: i32) usize {
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|
return errnoWrap(c.dup2(old, new));
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|
}
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pub fn chdir(path: [*]const u8) usize {
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|
return errnoWrap(c.chdir(path));
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|
}
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pub fn execve(path: [*]const u8, argv: [*]const ?[*]const u8, envp: [*]const ?[*]const u8) usize {
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|
return errnoWrap(c.execve(path, argv, envp));
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}
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|
|
|
pub fn fork() usize {
|
|
return errnoWrap(c.fork());
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|
}
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|
|
|
pub fn access(path: [*]const u8, mode: u32) usize {
|
|
return errnoWrap(c.access(path, mode));
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|
}
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|
|
|
pub fn getcwd(buf: [*]u8, size: usize) usize {
|
|
return if (c.getcwd(buf, size) == null) @bitCast(usize, -isize(c._errno().*)) else 0;
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|
}
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|
|
|
pub fn getdents(fd: i32, dirp: [*]u8, count: usize) usize {
|
|
return errnoWrap(@bitCast(isize, c.getdents(fd, drip, count)));
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|
}
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|
|
|
pub fn getdirentries(fd: i32, buf_ptr: [*]u8, buf_len: usize, basep: *i64) usize {
|
|
return errnoWrap(@bitCast(isize, c.getdirentries(fd, buf_ptr, buf_len, basep)));
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|
}
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|
|
|
pub fn realpath(noalias filename: [*]const u8, noalias resolved_name: [*]u8) usize {
|
|
return if (c.realpath(filename, resolved_name) == null) @bitCast(usize, -isize(c._errno().*)) else 0;
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|
}
|
|
|
|
pub fn isatty(fd: i32) bool {
|
|
return c.isatty(fd) != 0;
|
|
}
|
|
|
|
pub fn readlink(noalias path: [*]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize {
|
|
return errnoWrap(c.readlink(path, buf_ptr, buf_len));
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|
}
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|
|
|
pub fn mkdir(path: [*]const u8, mode: u32) usize {
|
|
return errnoWrap(c.mkdir(path, mode));
|
|
}
|
|
|
|
pub fn mmap(address: ?[*]u8, length: usize, prot: usize, flags: u32, fd: i32, offset: isize) usize {
|
|
const ptr_result = c.mmap(
|
|
@ptrCast(*c_void, address),
|
|
length,
|
|
@bitCast(c_int, @intCast(c_uint, prot)),
|
|
@bitCast(c_int, c_uint(flags)),
|
|
fd,
|
|
offset,
|
|
);
|
|
const isize_result = @bitCast(isize, @ptrToInt(ptr_result));
|
|
return errnoWrap(isize_result);
|
|
}
|
|
|
|
pub fn munmap(address: usize, length: usize) usize {
|
|
return errnoWrap(c.munmap(@intToPtr(*c_void, address), length));
|
|
}
|
|
|
|
pub fn read(fd: i32, buf: [*]u8, nbyte: usize) usize {
|
|
return errnoWrap(c.read(fd, @ptrCast(*c_void, buf), nbyte));
|
|
}
|
|
|
|
pub fn rmdir(path: [*]const u8) usize {
|
|
return errnoWrap(c.rmdir(path));
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|
}
|
|
|
|
pub fn symlink(existing: [*]const u8, new: [*]const u8) usize {
|
|
return errnoWrap(c.symlink(existing, new));
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|
}
|
|
|
|
pub fn pread(fd: i32, buf: [*]u8, nbyte: usize, offset: u64) usize {
|
|
return errnoWrap(c.pread(fd, @ptrCast(*c_void, buf), nbyte, offset));
|
|
}
|
|
|
|
pub fn preadv(fd: i32, iov: [*]const iovec, count: usize, offset: usize) usize {
|
|
return errnoWrap(c.preadv(fd, @ptrCast(*const c_void, iov), @intCast(c_int, count), offset));
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|
}
|
|
|
|
pub fn pipe(fd: *[2]i32) usize {
|
|
return pipe2(fd, 0);
|
|
}
|
|
|
|
pub fn pipe2(fd: *[2]i32, flags: u32) usize {
|
|
comptime assert(i32.bit_count == c_int.bit_count);
|
|
return errnoWrap(c.pipe2(@ptrCast(*[2]c_int, fd), flags));
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|
}
|
|
|
|
pub fn write(fd: i32, buf: [*]const u8, nbyte: usize) usize {
|
|
return errnoWrap(c.write(fd, @ptrCast(*const c_void, buf), nbyte));
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|
}
|
|
|
|
pub fn pwrite(fd: i32, buf: [*]const u8, nbyte: usize, offset: u64) usize {
|
|
return errnoWrap(c.pwrite(fd, @ptrCast(*const c_void, buf), nbyte, offset));
|
|
}
|
|
|
|
pub fn pwritev(fd: i32, iov: [*]const iovec_const, count: usize, offset: usize) usize {
|
|
return errnoWrap(c.pwritev(fd, @ptrCast(*const c_void, iov), @intCast(c_int, count), offset));
|
|
}
|
|
|
|
pub fn rename(old: [*]const u8, new: [*]const u8) usize {
|
|
return errnoWrap(c.rename(old, new));
|
|
}
|
|
|
|
pub fn open(path: [*]const u8, flags: u32, mode: usize) usize {
|
|
return errnoWrap(c.open(path, @bitCast(c_int, flags), mode));
|
|
}
|
|
|
|
pub fn create(path: [*]const u8, perm: usize) usize {
|
|
return arch.syscall2(SYS_creat, @ptrToInt(path), perm);
|
|
}
|
|
|
|
pub fn openat(dirfd: i32, path: [*]const u8, flags: usize, mode: usize) usize {
|
|
return errnoWrap(c.openat(@bitCast(usize, isize(dirfd)), @ptrToInt(path), flags, mode));
|
|
}
|
|
|
|
pub fn close(fd: i32) usize {
|
|
return errnoWrap(c.close(fd));
|
|
}
|
|
|
|
pub fn lseek(fd: i32, offset: isize, whence: c_int) usize {
|
|
return errnoWrap(c.lseek(fd, offset, whence));
|
|
}
|
|
|
|
pub fn exit(code: i32) noreturn {
|
|
c.exit(code);
|
|
}
|
|
|
|
pub fn kill(pid: i32, sig: i32) usize {
|
|
return errnoWrap(c.kill(pid, sig));
|
|
}
|
|
|
|
pub fn unlink(path: [*]const u8) usize {
|
|
return errnoWrap(c.unlink(path));
|
|
}
|
|
|
|
pub fn waitpid(pid: i32, status: *i32, options: u32) usize {
|
|
comptime assert(i32.bit_count == c_int.bit_count);
|
|
return errnoWrap(c.waitpid(pid, @ptrCast(*c_int, status), @bitCast(c_int, options)));
|
|
}
|
|
|
|
pub fn nanosleep(req: *const timespec, rem: ?*timespec) usize {
|
|
return errnoWrap(c.nanosleep(req, rem));
|
|
}
|
|
|
|
pub fn clock_gettime(clk_id: i32, tp: *timespec) usize {
|
|
return errnoWrap(c.clock_gettime(clk_id, tp));
|
|
}
|
|
|
|
pub fn clock_getres(clk_id: i32, tp: *timespec) usize {
|
|
return errnoWrap(c.clock_getres(clk_id, tp));
|
|
}
|
|
|
|
pub fn setuid(uid: u32) usize {
|
|
return errnoWrap(c.setuid(uid));
|
|
}
|
|
|
|
pub fn setgid(gid: u32) usize {
|
|
return errnoWrap(c.setgid(gid));
|
|
}
|
|
|
|
pub fn setreuid(ruid: u32, euid: u32) usize {
|
|
return errnoWrap(c.setreuid(ruid, euid));
|
|
}
|
|
|
|
pub fn setregid(rgid: u32, egid: u32) usize {
|
|
return errnoWrap(c.setregid(rgid, egid));
|
|
}
|
|
|
|
const NSIG = 32;
|
|
|
|
pub const SIG_ERR = @intToPtr(extern fn (i32) void, maxInt(usize));
|
|
pub const SIG_DFL = @intToPtr(extern fn (i32) void, 0);
|
|
pub const SIG_IGN = @intToPtr(extern fn (i32) void, 1);
|
|
|
|
/// Renamed from `sigaction` to `Sigaction` to avoid conflict with the syscall.
|
|
pub const Sigaction = extern struct {
|
|
/// signal handler
|
|
__sigaction_u: extern union {
|
|
__sa_handler: extern fn (i32) void,
|
|
__sa_sigaction: extern fn (i32, *__siginfo, usize) void,
|
|
},
|
|
|
|
/// see signal options
|
|
sa_flags: u32,
|
|
|
|
/// signal mask to apply
|
|
sa_mask: sigset_t,
|
|
};
|
|
|
|
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 fn raise(sig: i32) usize {
|
|
return errnoWrap(c.raise(sig));
|
|
}
|
|
|
|
pub const Stat = c.Stat;
|
|
pub const dirent = c.dirent;
|
|
pub const timespec = c.timespec;
|
|
|
|
pub fn fstat(fd: i32, buf: *c.Stat) usize {
|
|
return errnoWrap(c.fstat(fd, buf));
|
|
}
|
|
pub const iovec = extern struct {
|
|
iov_base: [*]u8,
|
|
iov_len: usize,
|
|
};
|
|
|
|
pub const iovec_const = extern struct {
|
|
iov_base: [*]const u8,
|
|
iov_len: usize,
|
|
};
|
|
|
|
// TODO avoid libc dependency
|
|
pub fn kqueue() usize {
|
|
return errnoWrap(c.kqueue());
|
|
}
|
|
|
|
// TODO avoid libc dependency
|
|
pub fn kevent(kq: i32, changelist: []const Kevent, eventlist: []Kevent, timeout: ?*const timespec) usize {
|
|
return errnoWrap(c.kevent(
|
|
kq,
|
|
changelist.ptr,
|
|
@intCast(c_int, changelist.len),
|
|
eventlist.ptr,
|
|
@intCast(c_int, eventlist.len),
|
|
timeout,
|
|
));
|
|
}
|
|
|
|
// TODO avoid libc dependency
|
|
pub fn sysctl(name: [*]c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) usize {
|
|
return errnoWrap(c.sysctl(name, namelen, oldp, oldlenp, newp, newlen));
|
|
}
|
|
|
|
// TODO avoid libc dependency
|
|
pub fn sysctlbyname(name: [*]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) usize {
|
|
return errnoWrap(c.sysctlbyname(name, oldp, oldlenp, newp, newlen));
|
|
}
|
|
|
|
// TODO avoid libc dependency
|
|
pub fn sysctlnametomib(name: [*]const u8, mibp: ?*c_int, sizep: ?*usize) usize {
|
|
return errnoWrap(c.sysctlnametomib(name, wibp, sizep));
|
|
}
|
|
|
|
// TODO avoid libc dependency
|
|
|
|
/// Takes the return value from a syscall and formats it back in the way
|
|
/// that the kernel represents it to libc. Errno was a mistake, let's make
|
|
/// it go away forever.
|
|
fn errnoWrap(value: isize) usize {
|
|
return @bitCast(usize, if (value == -1) -isize(c._errno().*) else value);
|
|
}
|