diff options
Diffstat (limited to 'std/os/linux.zig')
| -rw-r--r-- | std/os/linux.zig | 1114 |
1 files changed, 159 insertions, 955 deletions
diff --git a/std/os/linux.zig b/std/os/linux.zig index ecbbf72d42..282aa19bf1 100644 --- a/std/os/linux.zig +++ b/std/os/linux.zig @@ -1,709 +1,61 @@ +// This file provides the system interface functions for Linux matching those +// that are provided by libc, whether or not libc is linked. The following +// abstractions are made: +// * Work around kernel bugs and limitations. For example, see sendmmsg. +// * Implement all the syscalls in the same way that libc functions will +// provide `rename` when only the `renameat` syscall exists. +// * Does not support POSIX thread cancellation. const std = @import("../std.zig"); -const assert = std.debug.assert; const builtin = @import("builtin"); +const assert = std.debug.assert; const maxInt = std.math.maxInt; const elf = std.elf; -pub const tls = @import("linux/tls.zig"); const vdso = @import("linux/vdso.zig"); const dl = @import("../dynamic_library.zig"); + +pub const is_the_target = builtin.os == .linux; pub use switch (builtin.arch) { - builtin.Arch.x86_64 => @import("linux/x86_64.zig"), - builtin.Arch.i386 => @import("linux/i386.zig"), - builtin.Arch.aarch64 => @import("linux/arm64.zig"), - else => @compileError("unsupported arch"), + .x86_64 => @import("linux/x86_64.zig"), + .aarch64 => @import("linux/arm64.zig"), + else => struct {}, }; -pub use @import("linux/errno.zig"); - -pub const PATH_MAX = 4096; -pub const IOV_MAX = 1024; - -pub const STDIN_FILENO = 0; -pub const STDOUT_FILENO = 1; -pub const STDERR_FILENO = 2; - -pub const FUTEX_WAIT = 0; -pub const FUTEX_WAKE = 1; -pub const FUTEX_FD = 2; -pub const FUTEX_REQUEUE = 3; -pub const FUTEX_CMP_REQUEUE = 4; -pub const FUTEX_WAKE_OP = 5; -pub const FUTEX_LOCK_PI = 6; -pub const FUTEX_UNLOCK_PI = 7; -pub const FUTEX_TRYLOCK_PI = 8; -pub const FUTEX_WAIT_BITSET = 9; - -pub const FUTEX_PRIVATE_FLAG = 128; - -pub const FUTEX_CLOCK_REALTIME = 256; - -pub const PROT_NONE = 0; -pub const PROT_READ = 1; -pub const PROT_WRITE = 2; -pub const PROT_EXEC = 4; -pub const PROT_GROWSDOWN = 0x01000000; -pub const PROT_GROWSUP = 0x02000000; - -pub const MAP_FAILED = maxInt(usize); -pub const MAP_SHARED = 0x01; -pub const MAP_PRIVATE = 0x02; -pub const MAP_TYPE = 0x0f; -pub const MAP_FIXED = 0x10; -pub const MAP_ANONYMOUS = 0x20; -pub const MAP_NORESERVE = 0x4000; -pub const MAP_GROWSDOWN = 0x0100; -pub const MAP_DENYWRITE = 0x0800; -pub const MAP_EXECUTABLE = 0x1000; -pub const MAP_LOCKED = 0x2000; -pub const MAP_POPULATE = 0x8000; -pub const MAP_NONBLOCK = 0x10000; -pub const MAP_STACK = 0x20000; -pub const MAP_HUGETLB = 0x40000; -pub const MAP_FILE = 0; - -pub const F_OK = 0; -pub const X_OK = 1; -pub const W_OK = 2; -pub const R_OK = 4; - -pub const WNOHANG = 1; -pub const WUNTRACED = 2; -pub const WSTOPPED = 2; -pub const WEXITED = 4; -pub const WCONTINUED = 8; -pub const WNOWAIT = 0x1000000; - -pub const SA_NOCLDSTOP = 1; -pub const SA_NOCLDWAIT = 2; -pub const SA_SIGINFO = 4; -pub const SA_ONSTACK = 0x08000000; -pub const SA_RESTART = 0x10000000; -pub const SA_NODEFER = 0x40000000; -pub const SA_RESETHAND = 0x80000000; -pub const SA_RESTORER = 0x04000000; - -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 SIGBUS = 7; -pub const SIGFPE = 8; -pub const SIGKILL = 9; -pub const SIGUSR1 = 10; -pub const SIGSEGV = 11; -pub const SIGUSR2 = 12; -pub const SIGPIPE = 13; -pub const SIGALRM = 14; -pub const SIGTERM = 15; -pub const SIGSTKFLT = 16; -pub const SIGCHLD = 17; -pub const SIGCONT = 18; -pub const SIGSTOP = 19; -pub const SIGTSTP = 20; -pub const SIGTTIN = 21; -pub const SIGTTOU = 22; -pub const SIGURG = 23; -pub const SIGXCPU = 24; -pub const SIGXFSZ = 25; -pub const SIGVTALRM = 26; -pub const SIGPROF = 27; -pub const SIGWINCH = 28; -pub const SIGIO = 29; -pub const SIGPOLL = 29; -pub const SIGPWR = 30; -pub const SIGSYS = 31; -pub const SIGUNUSED = SIGSYS; - -pub const O_RDONLY = 0o0; -pub const O_WRONLY = 0o1; -pub const O_RDWR = 0o2; - -pub const SEEK_SET = 0; -pub const SEEK_CUR = 1; -pub const SEEK_END = 2; - -pub const SIG_BLOCK = 0; -pub const SIG_UNBLOCK = 1; -pub const SIG_SETMASK = 2; - -pub const PROTO_ip = 0o000; -pub const PROTO_icmp = 0o001; -pub const PROTO_igmp = 0o002; -pub const PROTO_ggp = 0o003; -pub const PROTO_ipencap = 0o004; -pub const PROTO_st = 0o005; -pub const PROTO_tcp = 0o006; -pub const PROTO_egp = 0o010; -pub const PROTO_pup = 0o014; -pub const PROTO_udp = 0o021; -pub const PROTO_hmp = 0o024; -pub const PROTO_xns_idp = 0o026; -pub const PROTO_rdp = 0o033; -pub const PROTO_iso_tp4 = 0o035; -pub const PROTO_xtp = 0o044; -pub const PROTO_ddp = 0o045; -pub const PROTO_idpr_cmtp = 0o046; -pub const PROTO_ipv6 = 0o051; -pub const PROTO_ipv6_route = 0o053; -pub const PROTO_ipv6_frag = 0o054; -pub const PROTO_idrp = 0o055; -pub const PROTO_rsvp = 0o056; -pub const PROTO_gre = 0o057; -pub const PROTO_esp = 0o062; -pub const PROTO_ah = 0o063; -pub const PROTO_skip = 0o071; -pub const PROTO_ipv6_icmp = 0o072; -pub const PROTO_ipv6_nonxt = 0o073; -pub const PROTO_ipv6_opts = 0o074; -pub const PROTO_rspf = 0o111; -pub const PROTO_vmtp = 0o121; -pub const PROTO_ospf = 0o131; -pub const PROTO_ipip = 0o136; -pub const PROTO_encap = 0o142; -pub const PROTO_pim = 0o147; -pub const PROTO_raw = 0o377; - -pub const SHUT_RD = 0; -pub const SHUT_WR = 1; -pub const SHUT_RDWR = 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_DCCP = 6; -pub const SOCK_PACKET = 10; -pub const SOCK_CLOEXEC = 0o2000000; -pub const SOCK_NONBLOCK = 0o4000; - -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_AX25 = 3; -pub const PF_IPX = 4; -pub const PF_APPLETALK = 5; -pub const PF_NETROM = 6; -pub const PF_BRIDGE = 7; -pub const PF_ATMPVC = 8; -pub const PF_X25 = 9; -pub const PF_INET6 = 10; -pub const PF_ROSE = 11; -pub const PF_DECnet = 12; -pub const PF_NETBEUI = 13; -pub const PF_SECURITY = 14; -pub const PF_KEY = 15; -pub const PF_NETLINK = 16; -pub const PF_ROUTE = PF_NETLINK; -pub const PF_PACKET = 17; -pub const PF_ASH = 18; -pub const PF_ECONET = 19; -pub const PF_ATMSVC = 20; -pub const PF_RDS = 21; -pub const PF_SNA = 22; -pub const PF_IRDA = 23; -pub const PF_PPPOX = 24; -pub const PF_WANPIPE = 25; -pub const PF_LLC = 26; -pub const PF_IB = 27; -pub const PF_MPLS = 28; -pub const PF_CAN = 29; -pub const PF_TIPC = 30; -pub const PF_BLUETOOTH = 31; -pub const PF_IUCV = 32; -pub const PF_RXRPC = 33; -pub const PF_ISDN = 34; -pub const PF_PHONET = 35; -pub const PF_IEEE802154 = 36; -pub const PF_CAIF = 37; -pub const PF_ALG = 38; -pub const PF_NFC = 39; -pub const PF_VSOCK = 40; -pub const PF_KCM = 41; -pub const PF_QIPCRTR = 42; -pub const PF_SMC = 43; -pub const PF_MAX = 44; - -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_AX25 = PF_AX25; -pub const AF_IPX = PF_IPX; -pub const AF_APPLETALK = PF_APPLETALK; -pub const AF_NETROM = PF_NETROM; -pub const AF_BRIDGE = PF_BRIDGE; -pub const AF_ATMPVC = PF_ATMPVC; -pub const AF_X25 = PF_X25; -pub const AF_INET6 = PF_INET6; -pub const AF_ROSE = PF_ROSE; -pub const AF_DECnet = PF_DECnet; -pub const AF_NETBEUI = PF_NETBEUI; -pub const AF_SECURITY = PF_SECURITY; -pub const AF_KEY = PF_KEY; -pub const AF_NETLINK = PF_NETLINK; -pub const AF_ROUTE = PF_ROUTE; -pub const AF_PACKET = PF_PACKET; -pub const AF_ASH = PF_ASH; -pub const AF_ECONET = PF_ECONET; -pub const AF_ATMSVC = PF_ATMSVC; -pub const AF_RDS = PF_RDS; -pub const AF_SNA = PF_SNA; -pub const AF_IRDA = PF_IRDA; -pub const AF_PPPOX = PF_PPPOX; -pub const AF_WANPIPE = PF_WANPIPE; -pub const AF_LLC = PF_LLC; -pub const AF_IB = PF_IB; -pub const AF_MPLS = PF_MPLS; -pub const AF_CAN = PF_CAN; -pub const AF_TIPC = PF_TIPC; -pub const AF_BLUETOOTH = PF_BLUETOOTH; -pub const AF_IUCV = PF_IUCV; -pub const AF_RXRPC = PF_RXRPC; -pub const AF_ISDN = PF_ISDN; -pub const AF_PHONET = PF_PHONET; -pub const AF_IEEE802154 = PF_IEEE802154; -pub const AF_CAIF = PF_CAIF; -pub const AF_ALG = PF_ALG; -pub const AF_NFC = PF_NFC; -pub const AF_VSOCK = PF_VSOCK; -pub const AF_KCM = PF_KCM; -pub const AF_QIPCRTR = PF_QIPCRTR; -pub const AF_SMC = PF_SMC; -pub const AF_MAX = PF_MAX; - -pub const SO_DEBUG = 1; -pub const SO_REUSEADDR = 2; -pub const SO_TYPE = 3; -pub const SO_ERROR = 4; -pub const SO_DONTROUTE = 5; -pub const SO_BROADCAST = 6; -pub const SO_SNDBUF = 7; -pub const SO_RCVBUF = 8; -pub const SO_KEEPALIVE = 9; -pub const SO_OOBINLINE = 10; -pub const SO_NO_CHECK = 11; -pub const SO_PRIORITY = 12; -pub const SO_LINGER = 13; -pub const SO_BSDCOMPAT = 14; -pub const SO_REUSEPORT = 15; -pub const SO_PASSCRED = 16; -pub const SO_PEERCRED = 17; -pub const SO_RCVLOWAT = 18; -pub const SO_SNDLOWAT = 19; -pub const SO_RCVTIMEO = 20; -pub const SO_SNDTIMEO = 21; -pub const SO_ACCEPTCONN = 30; -pub const SO_SNDBUFFORCE = 32; -pub const SO_RCVBUFFORCE = 33; -pub const SO_PROTOCOL = 38; -pub const SO_DOMAIN = 39; - -pub const SO_SECURITY_AUTHENTICATION = 22; -pub const SO_SECURITY_ENCRYPTION_TRANSPORT = 23; -pub const SO_SECURITY_ENCRYPTION_NETWORK = 24; - -pub const SO_BINDTODEVICE = 25; - -pub const SO_ATTACH_FILTER = 26; -pub const SO_DETACH_FILTER = 27; -pub const SO_GET_FILTER = SO_ATTACH_FILTER; - -pub const SO_PEERNAME = 28; -pub const SO_TIMESTAMP = 29; -pub const SCM_TIMESTAMP = SO_TIMESTAMP; - -pub const SO_PEERSEC = 31; -pub const SO_PASSSEC = 34; -pub const SO_TIMESTAMPNS = 35; -pub const SCM_TIMESTAMPNS = SO_TIMESTAMPNS; -pub const SO_MARK = 36; -pub const SO_TIMESTAMPING = 37; -pub const SCM_TIMESTAMPING = SO_TIMESTAMPING; -pub const SO_RXQ_OVFL = 40; -pub const SO_WIFI_STATUS = 41; -pub const SCM_WIFI_STATUS = SO_WIFI_STATUS; -pub const SO_PEEK_OFF = 42; -pub const SO_NOFCS = 43; -pub const SO_LOCK_FILTER = 44; -pub const SO_SELECT_ERR_QUEUE = 45; -pub const SO_BUSY_POLL = 46; -pub const SO_MAX_PACING_RATE = 47; -pub const SO_BPF_EXTENSIONS = 48; -pub const SO_INCOMING_CPU = 49; -pub const SO_ATTACH_BPF = 50; -pub const SO_DETACH_BPF = SO_DETACH_FILTER; -pub const SO_ATTACH_REUSEPORT_CBPF = 51; -pub const SO_ATTACH_REUSEPORT_EBPF = 52; -pub const SO_CNX_ADVICE = 53; -pub const SCM_TIMESTAMPING_OPT_STATS = 54; -pub const SO_MEMINFO = 55; -pub const SO_INCOMING_NAPI_ID = 56; -pub const SO_COOKIE = 57; -pub const SCM_TIMESTAMPING_PKTINFO = 58; -pub const SO_PEERGROUPS = 59; -pub const SO_ZEROCOPY = 60; - -pub const SOL_SOCKET = 1; - -pub const SOL_IP = 0; -pub const SOL_IPV6 = 41; -pub const SOL_ICMPV6 = 58; - -pub const SOL_RAW = 255; -pub const SOL_DECNET = 261; -pub const SOL_X25 = 262; -pub const SOL_PACKET = 263; -pub const SOL_ATM = 264; -pub const SOL_AAL = 265; -pub const SOL_IRDA = 266; -pub const SOL_NETBEUI = 267; -pub const SOL_LLC = 268; -pub const SOL_DCCP = 269; -pub const SOL_NETLINK = 270; -pub const SOL_TIPC = 271; -pub const SOL_RXRPC = 272; -pub const SOL_PPPOL2TP = 273; -pub const SOL_BLUETOOTH = 274; -pub const SOL_PNPIPE = 275; -pub const SOL_RDS = 276; -pub const SOL_IUCV = 277; -pub const SOL_CAIF = 278; -pub const SOL_ALG = 279; -pub const SOL_NFC = 280; -pub const SOL_KCM = 281; -pub const SOL_TLS = 282; - -pub const SOMAXCONN = 128; - -pub const MSG_OOB = 0x0001; -pub const MSG_PEEK = 0x0002; -pub const MSG_DONTROUTE = 0x0004; -pub const MSG_CTRUNC = 0x0008; -pub const MSG_PROXY = 0x0010; -pub const MSG_TRUNC = 0x0020; -pub const MSG_DONTWAIT = 0x0040; -pub const MSG_EOR = 0x0080; -pub const MSG_WAITALL = 0x0100; -pub const MSG_FIN = 0x0200; -pub const MSG_SYN = 0x0400; -pub const MSG_CONFIRM = 0x0800; -pub const MSG_RST = 0x1000; -pub const MSG_ERRQUEUE = 0x2000; -pub const MSG_NOSIGNAL = 0x4000; -pub const MSG_MORE = 0x8000; -pub const MSG_WAITFORONE = 0x10000; -pub const MSG_BATCH = 0x40000; -pub const MSG_ZEROCOPY = 0x4000000; -pub const MSG_FASTOPEN = 0x20000000; -pub const MSG_CMSG_CLOEXEC = 0x40000000; - -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; - -pub const TCGETS = 0x5401; -pub const TCSETS = 0x5402; -pub const TCSETSW = 0x5403; -pub const TCSETSF = 0x5404; -pub const TCGETA = 0x5405; -pub const TCSETA = 0x5406; -pub const TCSETAW = 0x5407; -pub const TCSETAF = 0x5408; -pub const TCSBRK = 0x5409; -pub const TCXONC = 0x540A; -pub const TCFLSH = 0x540B; -pub const TIOCEXCL = 0x540C; -pub const TIOCNXCL = 0x540D; -pub const TIOCSCTTY = 0x540E; -pub const TIOCGPGRP = 0x540F; -pub const TIOCSPGRP = 0x5410; -pub const TIOCOUTQ = 0x5411; -pub const TIOCSTI = 0x5412; -pub const TIOCGWINSZ = 0x5413; -pub const TIOCSWINSZ = 0x5414; -pub const TIOCMGET = 0x5415; -pub const TIOCMBIS = 0x5416; -pub const TIOCMBIC = 0x5417; -pub const TIOCMSET = 0x5418; -pub const TIOCGSOFTCAR = 0x5419; -pub const TIOCSSOFTCAR = 0x541A; -pub const FIONREAD = 0x541B; -pub const TIOCINQ = FIONREAD; -pub const TIOCLINUX = 0x541C; -pub const TIOCCONS = 0x541D; -pub const TIOCGSERIAL = 0x541E; -pub const TIOCSSERIAL = 0x541F; -pub const TIOCPKT = 0x5420; -pub const FIONBIO = 0x5421; -pub const TIOCNOTTY = 0x5422; -pub const TIOCSETD = 0x5423; -pub const TIOCGETD = 0x5424; -pub const TCSBRKP = 0x5425; -pub const TIOCSBRK = 0x5427; -pub const TIOCCBRK = 0x5428; -pub const TIOCGSID = 0x5429; -pub const TIOCGRS485 = 0x542E; -pub const TIOCSRS485 = 0x542F; -pub const TIOCGPTN = 0x80045430; -pub const TIOCSPTLCK = 0x40045431; -pub const TIOCGDEV = 0x80045432; -pub const TCGETX = 0x5432; -pub const TCSETX = 0x5433; -pub const TCSETXF = 0x5434; -pub const TCSETXW = 0x5435; -pub const TIOCSIG = 0x40045436; -pub const TIOCVHANGUP = 0x5437; -pub const TIOCGPKT = 0x80045438; -pub const TIOCGPTLCK = 0x80045439; -pub const TIOCGEXCL = 0x80045440; - -pub const EPOLL_CLOEXEC = O_CLOEXEC; - -pub const EPOLL_CTL_ADD = 1; -pub const EPOLL_CTL_DEL = 2; -pub const EPOLL_CTL_MOD = 3; - -pub const EPOLLIN = 0x001; -pub const EPOLLPRI = 0x002; -pub const EPOLLOUT = 0x004; -pub const EPOLLRDNORM = 0x040; -pub const EPOLLRDBAND = 0x080; -pub const EPOLLWRNORM = 0x100; -pub const EPOLLWRBAND = 0x200; -pub const EPOLLMSG = 0x400; -pub const EPOLLERR = 0x008; -pub const EPOLLHUP = 0x010; -pub const EPOLLRDHUP = 0x2000; -pub const EPOLLEXCLUSIVE = (u32(1) << 28); -pub const EPOLLWAKEUP = (u32(1) << 29); -pub const EPOLLONESHOT = (u32(1) << 30); -pub const EPOLLET = (u32(1) << 31); - -pub const CLOCK_REALTIME = 0; -pub const CLOCK_MONOTONIC = 1; -pub const CLOCK_PROCESS_CPUTIME_ID = 2; -pub const CLOCK_THREAD_CPUTIME_ID = 3; -pub const CLOCK_MONOTONIC_RAW = 4; -pub const CLOCK_REALTIME_COARSE = 5; -pub const CLOCK_MONOTONIC_COARSE = 6; -pub const CLOCK_BOOTTIME = 7; -pub const CLOCK_REALTIME_ALARM = 8; -pub const CLOCK_BOOTTIME_ALARM = 9; -pub const CLOCK_SGI_CYCLE = 10; -pub const CLOCK_TAI = 11; - -pub const CSIGNAL = 0x000000ff; -pub const CLONE_VM = 0x00000100; -pub const CLONE_FS = 0x00000200; -pub const CLONE_FILES = 0x00000400; -pub const CLONE_SIGHAND = 0x00000800; -pub const CLONE_PTRACE = 0x00002000; -pub const CLONE_VFORK = 0x00004000; -pub const CLONE_PARENT = 0x00008000; -pub const CLONE_THREAD = 0x00010000; -pub const CLONE_NEWNS = 0x00020000; -pub const CLONE_SYSVSEM = 0x00040000; -pub const CLONE_SETTLS = 0x00080000; -pub const CLONE_PARENT_SETTID = 0x00100000; -pub const CLONE_CHILD_CLEARTID = 0x00200000; -pub const CLONE_DETACHED = 0x00400000; -pub const CLONE_UNTRACED = 0x00800000; -pub const CLONE_CHILD_SETTID = 0x01000000; -pub const CLONE_NEWCGROUP = 0x02000000; -pub const CLONE_NEWUTS = 0x04000000; -pub const CLONE_NEWIPC = 0x08000000; -pub const CLONE_NEWUSER = 0x10000000; -pub const CLONE_NEWPID = 0x20000000; -pub const CLONE_NEWNET = 0x40000000; -pub const CLONE_IO = 0x80000000; - -pub const EFD_SEMAPHORE = 1; -pub const EFD_CLOEXEC = O_CLOEXEC; -pub const EFD_NONBLOCK = O_NONBLOCK; - -pub const MS_RDONLY = 1; -pub const MS_NOSUID = 2; -pub const MS_NODEV = 4; -pub const MS_NOEXEC = 8; -pub const MS_SYNCHRONOUS = 16; -pub const MS_REMOUNT = 32; -pub const MS_MANDLOCK = 64; -pub const MS_DIRSYNC = 128; -pub const MS_NOATIME = 1024; -pub const MS_NODIRATIME = 2048; -pub const MS_BIND = 4096; -pub const MS_MOVE = 8192; -pub const MS_REC = 16384; -pub const MS_SILENT = 32768; -pub const MS_POSIXACL = (1 << 16); -pub const MS_UNBINDABLE = (1 << 17); -pub const MS_PRIVATE = (1 << 18); -pub const MS_SLAVE = (1 << 19); -pub const MS_SHARED = (1 << 20); -pub const MS_RELATIME = (1 << 21); -pub const MS_KERNMOUNT = (1 << 22); -pub const MS_I_VERSION = (1 << 23); -pub const MS_STRICTATIME = (1 << 24); -pub const MS_LAZYTIME = (1 << 25); -pub const MS_NOREMOTELOCK = (1 << 27); -pub const MS_NOSEC = (1 << 28); -pub const MS_BORN = (1 << 29); -pub const MS_ACTIVE = (1 << 30); -pub const MS_NOUSER = (1 << 31); - -pub const MS_RMT_MASK = (MS_RDONLY | MS_SYNCHRONOUS | MS_MANDLOCK | MS_I_VERSION | MS_LAZYTIME); - -pub const MS_MGC_VAL = 0xc0ed0000; -pub const MS_MGC_MSK = 0xffff0000; - -pub const MNT_FORCE = 1; -pub const MNT_DETACH = 2; -pub const MNT_EXPIRE = 4; -pub const UMOUNT_NOFOLLOW = 8; - -pub const IN_CLOEXEC = O_CLOEXEC; -pub const IN_NONBLOCK = O_NONBLOCK; - -pub const IN_ACCESS = 0x00000001; -pub const IN_MODIFY = 0x00000002; -pub const IN_ATTRIB = 0x00000004; -pub const IN_CLOSE_WRITE = 0x00000008; -pub const IN_CLOSE_NOWRITE = 0x00000010; -pub const IN_CLOSE = IN_CLOSE_WRITE | IN_CLOSE_NOWRITE; -pub const IN_OPEN = 0x00000020; -pub const IN_MOVED_FROM = 0x00000040; -pub const IN_MOVED_TO = 0x00000080; -pub const IN_MOVE = IN_MOVED_FROM | IN_MOVED_TO; -pub const IN_CREATE = 0x00000100; -pub const IN_DELETE = 0x00000200; -pub const IN_DELETE_SELF = 0x00000400; -pub const IN_MOVE_SELF = 0x00000800; -pub const IN_ALL_EVENTS = 0x00000fff; - -pub const IN_UNMOUNT = 0x00002000; -pub const IN_Q_OVERFLOW = 0x00004000; -pub const IN_IGNORED = 0x00008000; - -pub const IN_ONLYDIR = 0x01000000; -pub const IN_DONT_FOLLOW = 0x02000000; -pub const IN_EXCL_UNLINK = 0x04000000; -pub const IN_MASK_ADD = 0x20000000; - -pub const IN_ISDIR = 0x40000000; -pub const IN_ONESHOT = 0x80000000; - -pub const S_IFMT = 0o170000; - -pub const S_IFDIR = 0o040000; -pub const S_IFCHR = 0o020000; -pub const S_IFBLK = 0o060000; -pub const S_IFREG = 0o100000; -pub const S_IFIFO = 0o010000; -pub const S_IFLNK = 0o120000; -pub const S_IFSOCK = 0o140000; - -pub const S_ISUID = 0o4000; -pub const S_ISGID = 0o2000; -pub const S_ISVTX = 0o1000; -pub const S_IRUSR = 0o400; -pub const S_IWUSR = 0o200; -pub const S_IXUSR = 0o100; -pub const S_IRWXU = 0o700; -pub const S_IRGRP = 0o040; -pub const S_IWGRP = 0o020; -pub const S_IXGRP = 0o010; -pub const S_IRWXG = 0o070; -pub const S_IROTH = 0o004; -pub const S_IWOTH = 0o002; -pub const S_IXOTH = 0o001; -pub const S_IRWXO = 0o007; - -pub fn S_ISREG(m: u32) bool { - return m & S_IFMT == S_IFREG; -} - -pub fn S_ISDIR(m: u32) bool { - return m & S_IFMT == S_IFDIR; -} - -pub fn S_ISCHR(m: u32) bool { - return m & S_IFMT == S_IFCHR; -} - -pub fn S_ISBLK(m: u32) bool { - return m & S_IFMT == S_IFBLK; -} - -pub fn S_ISFIFO(m: u32) bool { - return m & S_IFMT == S_IFIFO; -} - -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 const TFD_NONBLOCK = O_NONBLOCK; -pub const TFD_CLOEXEC = O_CLOEXEC; +pub use @import("bits.zig"); +pub const tls = @import("linux/tls.zig"); -pub const TFD_TIMER_ABSTIME = 1; -pub const TFD_TIMER_CANCEL_ON_SET = (1 << 1); +/// Set by startup code, used by `getauxval`. +pub var elf_aux_maybe: ?[*]std.elf.Auxv = null; -fn unsigned(s: i32) u32 { - return @bitCast(u32, s); -} -fn signed(s: u32) i32 { - return @bitCast(i32, s); -} -pub fn WEXITSTATUS(s: i32) i32 { - return signed((unsigned(s) & 0xff00) >> 8); -} -pub fn WTERMSIG(s: i32) i32 { - return signed(unsigned(s) & 0x7f); -} -pub fn WSTOPSIG(s: i32) i32 { - return WEXITSTATUS(s); -} -pub fn WIFEXITED(s: i32) bool { - return WTERMSIG(s) == 0; -} -pub fn WIFSTOPPED(s: i32) bool { - return @intCast(u16, ((unsigned(s) & 0xffff) *% 0x10001) >> 8) > 0x7f00; -} -pub fn WIFSIGNALED(s: i32) bool { - return (unsigned(s) & 0xffff) -% 1 < 0xff; +/// See `std.elf` for the constants. +pub fn getauxval(index: usize) usize { + const auxv = elf_aux_maybe orelse return 0; + var i: usize = 0; + while (auxv[i].a_type != std.elf.AT_NULL) : (i += 1) { + if (auxv[i].a_type == index) + return auxv[i].a_un.a_val; + } + return 0; } -pub const winsize = extern struct { - ws_row: u16, - ws_col: u16, - ws_xpixel: u16, - ws_ypixel: u16, -}; - /// Get the errno from a syscall return value, or 0 for no error. -pub fn getErrno(r: usize) usize { +pub fn getErrno(r: usize) u12 { const signed_r = @bitCast(isize, r); - return if (signed_r > -4096 and signed_r < 0) @intCast(usize, -signed_r) else 0; + return if (signed_r > -4096 and signed_r < 0) @intCast(u12, -signed_r) else 0; } pub fn dup2(old: i32, new: i32) usize { - return dup3(old, new, 0); + if (@hasDecl(@This(), "SYS_dup2")) { + return syscall2(SYS_dup2, @bitCast(usize, isize(old)), @bitCast(usize, isize(new))); + } else { + if (old == new) { + if (std.debug.runtime_safety) { + const rc = syscall2(SYS_fcntl, @bitCast(usize, isize(old)), F_GETFD); + if (@bitCast(isize, rc) < 0) return rc; + } + return @intCast(usize, old); + } else { + return syscall3(SYS_dup3, @bitCast(usize, isize(old)), @bitCast(usize, isize(new)), 0); + } + } } pub fn dup3(old: i32, new: i32, flags: u32) usize { @@ -726,7 +78,11 @@ pub fn execve(path: [*]const u8, argv: [*]const ?[*]const u8, envp: [*]const ?[* } pub fn fork() usize { - return clone2(SIGCHLD, 0); + if (@hasDecl(@This(), "SYS_fork")) { + return syscall0(SYS_fork); + } else { + return syscall2(SYS_clone, SIGCHLD, 0); + } } /// This must be inline, and inline call the syscall function, because if the @@ -750,6 +106,10 @@ pub fn getcwd(buf: [*]u8, size: usize) usize { return syscall2(SYS_getcwd, @ptrToInt(buf), size); } +pub fn getdents(fd: i32, dirp: [*]u8, count: usize) usize { + return syscall3(SYS_getdents, @bitCast(usize, isize(fd)), @ptrToInt(dirp), count); +} + pub fn getdents64(fd: i32, dirp: [*]u8, count: usize) usize { return syscall3(SYS_getdents64, @bitCast(usize, isize(fd)), @ptrToInt(dirp), count); } @@ -766,14 +126,13 @@ pub fn inotify_rm_watch(fd: i32, wd: i32) usize { return syscall2(SYS_inotify_rm_watch, @bitCast(usize, isize(fd)), @bitCast(usize, isize(wd))); } -pub fn isatty(fd: i32) bool { - var wsz: winsize = undefined; - return syscall3(SYS_ioctl, @bitCast(usize, isize(fd)), TIOCGWINSZ, @ptrToInt(&wsz)) == 0; -} - // TODO https://github.com/ziglang/zig/issues/265 pub fn readlink(noalias path: [*]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize { - return readlinkat(AT_FDCWD, path, buf_ptr, buf_len); + if (@hasDecl(@This(), "SYS_readlink")) { + return syscall3(SYS_readlink, @ptrToInt(path), @ptrToInt(buf_ptr), buf_len); + } else { + return syscall4(SYS_readlinkat, AT_FDCWD, @ptrToInt(path), @ptrToInt(buf_ptr), buf_len); + } } // TODO https://github.com/ziglang/zig/issues/265 @@ -783,7 +142,11 @@ pub fn readlinkat(dirfd: i32, noalias path: [*]const u8, noalias buf_ptr: [*]u8, // TODO https://github.com/ziglang/zig/issues/265 pub fn mkdir(path: [*]const u8, mode: u32) usize { - return mkdirat(AT_FDCWD, path, mode); + if (@hasDecl(@This(), "SYS_mkdir")) { + return syscall2(SYS_mkdir, @ptrToInt(path), mode); + } else { + return syscall3(SYS_mkdirat, AT_FDCWD, @ptrToInt(path), mode); + } } // TODO https://github.com/ziglang/zig/issues/265 @@ -810,12 +173,12 @@ pub fn mmap(address: ?[*]u8, length: usize, prot: usize, flags: u32, fd: i32, of return syscall6(SYS_mmap, @ptrToInt(address), length, prot, flags, @bitCast(usize, isize(fd)), @bitCast(usize, offset)); } -pub fn mprotect(address: usize, length: usize, protection: usize) usize { - return syscall3(SYS_mprotect, address, length, protection); +pub fn mprotect(address: [*]const u8, length: usize, protection: usize) usize { + return syscall3(SYS_mprotect, @ptrToInt(address), length, protection); } -pub fn munmap(address: usize, length: usize) usize { - return syscall2(SYS_munmap, address, length); +pub fn munmap(address: [*]const u8, length: usize) usize { + return syscall2(SYS_munmap, @ptrToInt(address), length); } pub fn read(fd: i32, buf: [*]u8, count: usize) usize { @@ -840,12 +203,20 @@ pub fn pwritev(fd: i32, iov: [*]const iovec_const, count: usize, offset: u64) us // TODO https://github.com/ziglang/zig/issues/265 pub fn rmdir(path: [*]const u8) usize { - return unlinkat(AT_FDCWD, path, AT_REMOVEDIR); + if (@hasDecl(@This(), "SYS_rmdir")) { + return syscall1(SYS_rmdir, @ptrToInt(path)); + } else { + return syscall3(SYS_unlinkat, AT_FDCWD, @ptrToInt(path), AT_REMOVEDIR); + } } // TODO https://github.com/ziglang/zig/issues/265 pub fn symlink(existing: [*]const u8, new: [*]const u8) usize { - return symlinkat(existing, AT_FDCWD, new); + if (@hasDecl(@This(), "SYS_symlink")) { + return syscall2(SYS_symlink, @ptrToInt(existing), @ptrToInt(new)); + } else { + return syscall3(SYS_symlinkat, @ptrToInt(existing), AT_FDCWD, @ptrToInt(new)); + } } // TODO https://github.com/ziglang/zig/issues/265 @@ -860,15 +231,20 @@ pub fn pread(fd: i32, buf: [*]u8, count: usize, offset: usize) usize { // TODO https://github.com/ziglang/zig/issues/265 pub fn access(path: [*]const u8, mode: u32) usize { - return faccessat(AT_FDCWD, path, mode); + return syscall2(SYS_access, @ptrToInt(path), mode); } +// TODO https://github.com/ziglang/zig/issues/265 pub fn faccessat(dirfd: i32, path: [*]const u8, mode: u32) usize { return syscall3(SYS_faccessat, @bitCast(usize, isize(dirfd)), @ptrToInt(path), mode); } pub fn pipe(fd: *[2]i32) usize { - return pipe2(fd, 0); + if (@hasDecl(@This(), "SYS_pipe")) { + return syscall1(SYS_pipe, @ptrToInt(fd)); + } else { + return syscall2(SYS_pipe2, @ptrToInt(fd), 0); + } } pub fn pipe2(fd: *[2]i32, flags: u32) usize { @@ -885,17 +261,51 @@ pub fn pwrite(fd: i32, buf: [*]const u8, count: usize, offset: usize) usize { // TODO https://github.com/ziglang/zig/issues/265 pub fn rename(old: [*]const u8, new: [*]const u8) usize { - return renameat2(AT_FDCWD, old, AT_FDCWD, new, 0); + if (@hasDecl(@This(), "SYS_rename")) { + return syscall2(SYS_rename, @ptrToInt(old), @ptrToInt(new)); + } else if (@hasDecl(@This(), "SYS_renameat")) { + return syscall4(SYS_renameat, AT_FDCWD, @ptrToInt(old), AT_FDCWD, @ptrToInt(new)); + } else { + return syscall5(SYS_renameat2, AT_FDCWD, @ptrToInt(old), AT_FDCWD, @ptrToInt(new), 0); + } +} + +pub fn renameat(oldfd: i32, oldpath: [*]const u8, newfd: i32, newpath: [*]const u8) usize { + if (@hasDecl(@This(), "SYS_renameat")) { + return syscall4( + SYS_renameat, + @bitCast(usize, isize(oldfd)), + @ptrToInt(old), + @bitCast(usize, isize(newfd)), + @ptrToInt(new), + ); + } else { + return syscall5( + SYS_renameat2, + @bitCast(usize, isize(oldfd)), + @ptrToInt(old), + @bitCast(usize, isize(newfd)), + @ptrToInt(new), + 0, + ); + } } // TODO https://github.com/ziglang/zig/issues/265 pub fn renameat2(oldfd: i32, oldpath: [*]const u8, newfd: i32, newpath: [*]const u8, flags: u32) usize { - return syscall5(SYS_renameat2, @bitCast(usize, isize(oldfd)), @ptrToInt(oldpath), @bitCast(usize, isize(newfd)), @ptrToInt(newpath), flags); + return syscall5( + SYS_renameat2, + @bitCast(usize, isize(oldfd)), + @ptrToInt(oldpath), + @bitCast(usize, isize(newfd)), + @ptrToInt(newpath), + flags, + ); } // TODO https://github.com/ziglang/zig/issues/265 pub fn open(path: [*]const u8, flags: u32, perm: usize) usize { - return openat(AT_FDCWD, path, flags, perm); + return syscall3(SYS_open, @ptrToInt(path), flags, perm); } // TODO https://github.com/ziglang/zig/issues/265 @@ -923,8 +333,21 @@ pub fn close(fd: i32) usize { return syscall1(SYS_close, @bitCast(usize, isize(fd))); } -pub fn lseek(fd: i32, offset: isize, ref_pos: usize) usize { - return syscall3(SYS_lseek, @bitCast(usize, isize(fd)), @bitCast(usize, offset), ref_pos); +/// Can only be called on 32 bit systems. For 64 bit see `lseek`. +pub fn llseek(fd: i32, offset: u64, result: ?*u64, whence: usize) usize { + return syscall5( + SYS__llseek, + @bitCast(usize, isize(fd)), + @truncate(usize, offset >> 32), + @truncate(usize, offset), + @ptrToInt(result), + whence, + ); +} + +/// Can only be called on 64 bit systems. For 32 bit see `llseek`. +pub fn lseek(fd: i32, offset: i64, whence: usize) usize { + return syscall3(SYS_lseek, @bitCast(usize, isize(fd)), @bitCast(usize, offset), whence); } pub fn exit(status: i32) noreturn { @@ -947,7 +370,11 @@ pub fn kill(pid: i32, sig: i32) usize { // TODO https://github.com/ziglang/zig/issues/265 pub fn unlink(path: [*]const u8) usize { - return unlinkat(AT_FDCWD, path, 0); + if (@hasDecl(@This(), "SYS_unlink")) { + return syscall1(SYS_unlink, @ptrToInt(path)); + } else { + return syscall3(SYS_unlinkat, AT_FDCWD, @ptrToInt(path), 0); + } } // TODO https://github.com/ziglang/zig/issues/265 @@ -955,8 +382,8 @@ pub fn unlinkat(dirfd: i32, path: [*]const u8, flags: u32) usize { return syscall3(SYS_unlinkat, @bitCast(usize, isize(dirfd)), @ptrToInt(path), flags); } -pub fn waitpid(pid: i32, status: *i32, options: i32) usize { - return syscall4(SYS_wait4, @bitCast(usize, isize(pid)), @ptrToInt(status), @bitCast(usize, isize(options)), 0); +pub fn waitpid(pid: i32, status: *u32, flags: u32) usize { + return syscall4(SYS_wait4, @bitCast(usize, isize(pid)), @ptrToInt(status), flags, 0); } var vdso_clock_gettime = @ptrCast(?*const c_void, init_vdso_clock_gettime); @@ -1113,48 +540,15 @@ pub fn sigaction(sig: u6, noalias act: *const Sigaction, noalias oact: ?*Sigacti return 0; } -const NSIG = 65; -const sigset_t = [128 / @sizeOf(usize)]usize; -const all_mask = []u32{ 0xffffffff, 0xffffffff }; -const app_mask = []u32{ 0xfffffffc, 0x7fffffff }; - -const k_sigaction = extern struct { - handler: extern fn (i32) void, - flags: usize, - restorer: extern fn () void, - mask: [2]u32, -}; - -/// Renamed from `sigaction` to `Sigaction` to avoid conflict with the syscall. -pub const Sigaction = struct { - handler: extern fn (i32) void, - mask: sigset_t, - flags: u32, -}; - -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); -pub const empty_sigset = []usize{0} ** sigset_t.len; - -pub fn raise(sig: i32) usize { - var set: sigset_t = undefined; - blockAppSignals(&set); - const tid = syscall0(SYS_gettid); - const ret = syscall2(SYS_tkill, tid, @bitCast(usize, isize(sig))); - restoreSignals(&set); - return ret; -} - -fn blockAllSignals(set: *sigset_t) void { +pub fn blockAllSignals(set: *sigset_t) void { _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&all_mask), @ptrToInt(set), NSIG / 8); } -fn blockAppSignals(set: *sigset_t) void { +pub fn blockAppSignals(set: *sigset_t) void { _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&app_mask), @ptrToInt(set), NSIG / 8); } -fn restoreSignals(set: *sigset_t) void { +pub fn restoreSignals(set: *sigset_t) void { _ = syscall4(SYS_rt_sigprocmask, SIG_SETMASK, @ptrToInt(set), 0, NSIG / 8); } @@ -1168,56 +562,6 @@ pub fn sigismember(set: *const sigset_t, sig: u6) bool { return ((set.*)[@intCast(usize, s) / usize.bit_count] & (@intCast(usize, 1) << (s & (usize.bit_count - 1)))) != 0; } -pub const in_port_t = u16; -pub const sa_family_t = u16; -pub const socklen_t = u32; - -/// This intentionally only has ip4 and ip6 -pub const sockaddr = extern union { - in: sockaddr_in, - in6: sockaddr_in6, -}; - -pub const sockaddr_in = extern struct { - family: sa_family_t, - port: in_port_t, - addr: u32, - zero: [8]u8, -}; - -pub const sockaddr_in6 = extern struct { - family: sa_family_t, - port: in_port_t, - flowinfo: u32, - addr: [16]u8, - scope_id: u32, -}; - -pub const sockaddr_un = extern struct { - family: sa_family_t, - path: [108]u8, -}; - -pub const iovec = extern struct { - iov_base: [*]u8, - iov_len: usize, -}; - -pub const iovec_const = extern struct { - iov_base: [*]const u8, - iov_len: usize, -}; - -pub const mmsghdr = extern struct { - msg_hdr: msghdr, - msg_len: u32, -}; - -pub const mmsghdr_const = extern struct { - msg_hdr: msghdr_const, - msg_len: u32, -}; - pub fn getsockname(fd: i32, noalias addr: *sockaddr, noalias len: *socklen_t) usize { return syscall3(SYS_getsockname, @bitCast(usize, isize(fd)), @ptrToInt(addr), @ptrToInt(len)); } @@ -1328,12 +672,12 @@ pub fn fstat(fd: i32, stat_buf: *Stat) usize { // TODO https://github.com/ziglang/zig/issues/265 pub fn stat(pathname: [*]const u8, statbuf: *Stat) usize { - return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT); + return syscall2(SYS_stat, @ptrToInt(pathname), @ptrToInt(statbuf)); } // TODO https://github.com/ziglang/zig/issues/265 pub fn lstat(pathname: [*]const u8, statbuf: *Stat) usize { - return fstatat(AF_FDCWD, pathname, statbuf, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT); + return syscall2(SYS_lstat, @ptrToInt(pathname), @ptrToInt(statbuf)); } // TODO https://github.com/ziglang/zig/issues/265 @@ -1400,30 +744,13 @@ pub fn fremovexattr(fd: usize, name: [*]const u8) usize { return syscall2(SYS_fremovexattr, fd, @ptrToInt(name)); } -pub fn sched_getaffinity(pid: i32, set: []usize) usize { - return syscall3(SYS_sched_getaffinity, @bitCast(usize, isize(pid)), set.len * @sizeOf(usize), @ptrToInt(set.ptr)); +pub fn sched_getaffinity(pid: i32, size: usize, set: *cpu_set_t) usize { + const rc = syscall3(SYS_sched_getaffinity, @bitCast(usize, isize(pid)), size, @ptrToInt(set)); + if (@bitCast(isize, rc) < 0) return rc; + if (rc < size) @memset(@ptrCast([*]u8, set) + rc, 0, size - rc); + return 0; } -pub const epoll_data = extern union { - ptr: usize, - fd: i32, - @"u32": u32, - @"u64": u64, -}; - -// On x86_64 the structure is packed so that it matches the definition of its -// 32bit counterpart -pub const epoll_event = if (builtin.arch != .x86_64) - extern struct { - events: u32, - data: epoll_data, - } -else - packed struct { - events: u32, - data: epoll_data, - }; - pub fn epoll_create() usize { return epoll_create1(0); } @@ -1437,7 +764,13 @@ pub fn epoll_ctl(epoll_fd: i32, op: u32, fd: i32, ev: *epoll_event) usize { } pub fn epoll_wait(epoll_fd: i32, events: [*]epoll_event, maxevents: u32, timeout: i32) usize { - return epoll_pwait(epoll_fd, events, maxevents, timeout, null); + return syscall4( + SYS_epoll_wait, + @bitCast(usize, isize(epoll_fd)), + @ptrToInt(events), + maxevents, + @bitCast(usize, isize(timeout)), + ); } pub fn epoll_pwait(epoll_fd: i32, events: [*]epoll_event, maxevents: u32, timeout: i32, sigmask: ?*sigset_t) usize { @@ -1473,112 +806,6 @@ pub fn timerfd_settime(fd: i32, flags: u32, new_value: *const itimerspec, old_va return syscall4(SYS_timerfd_settime, @bitCast(usize, isize(fd)), flags, @ptrToInt(new_value), @ptrToInt(old_value)); } -pub const _LINUX_CAPABILITY_VERSION_1 = 0x19980330; -pub const _LINUX_CAPABILITY_U32S_1 = 1; - -pub const _LINUX_CAPABILITY_VERSION_2 = 0x20071026; -pub const _LINUX_CAPABILITY_U32S_2 = 2; - -pub const _LINUX_CAPABILITY_VERSION_3 = 0x20080522; -pub const _LINUX_CAPABILITY_U32S_3 = 2; - -pub const VFS_CAP_REVISION_MASK = 0xFF000000; -pub const VFS_CAP_REVISION_SHIFT = 24; -pub const VFS_CAP_FLAGS_MASK = ~VFS_CAP_REVISION_MASK; -pub const VFS_CAP_FLAGS_EFFECTIVE = 0x000001; - -pub const VFS_CAP_REVISION_1 = 0x01000000; -pub const VFS_CAP_U32_1 = 1; -pub const XATTR_CAPS_SZ_1 = @sizeOf(u32) * (1 + 2 * VFS_CAP_U32_1); - -pub const VFS_CAP_REVISION_2 = 0x02000000; -pub const VFS_CAP_U32_2 = 2; -pub const XATTR_CAPS_SZ_2 = @sizeOf(u32) * (1 + 2 * VFS_CAP_U32_2); - -pub const XATTR_CAPS_SZ = XATTR_CAPS_SZ_2; -pub const VFS_CAP_U32 = VFS_CAP_U32_2; -pub const VFS_CAP_REVISION = VFS_CAP_REVISION_2; - -pub const vfs_cap_data = extern struct { - //all of these are mandated as little endian - //when on disk. - const Data = struct { - permitted: u32, - inheritable: u32, - }; - - magic_etc: u32, - data: [VFS_CAP_U32]Data, -}; - -pub const CAP_CHOWN = 0; -pub const CAP_DAC_OVERRIDE = 1; -pub const CAP_DAC_READ_SEARCH = 2; -pub const CAP_FOWNER = 3; -pub const CAP_FSETID = 4; -pub const CAP_KILL = 5; -pub const CAP_SETGID = 6; -pub const CAP_SETUID = 7; -pub const CAP_SETPCAP = 8; -pub const CAP_LINUX_IMMUTABLE = 9; -pub const CAP_NET_BIND_SERVICE = 10; -pub const CAP_NET_BROADCAST = 11; -pub const CAP_NET_ADMIN = 12; -pub const CAP_NET_RAW = 13; -pub const CAP_IPC_LOCK = 14; -pub const CAP_IPC_OWNER = 15; -pub const CAP_SYS_MODULE = 16; -pub const CAP_SYS_RAWIO = 17; -pub const CAP_SYS_CHROOT = 18; -pub const CAP_SYS_PTRACE = 19; -pub const CAP_SYS_PACCT = 20; -pub const CAP_SYS_ADMIN = 21; -pub const CAP_SYS_BOOT = 22; -pub const CAP_SYS_NICE = 23; -pub const CAP_SYS_RESOURCE = 24; -pub const CAP_SYS_TIME = 25; -pub const CAP_SYS_TTY_CONFIG = 26; -pub const CAP_MKNOD = 27; -pub const CAP_LEASE = 28; -pub const CAP_AUDIT_WRITE = 29; -pub const CAP_AUDIT_CONTROL = 30; -pub const CAP_SETFCAP = 31; -pub const CAP_MAC_OVERRIDE = 32; -pub const CAP_MAC_ADMIN = 33; -pub const CAP_SYSLOG = 34; -pub const CAP_WAKE_ALARM = 35; -pub const CAP_BLOCK_SUSPEND = 36; -pub const CAP_AUDIT_READ = 37; -pub const CAP_LAST_CAP = CAP_AUDIT_READ; - -pub fn cap_valid(u8: x) bool { - return x >= 0 and x <= CAP_LAST_CAP; -} - -pub fn CAP_TO_MASK(cap: u8) u32 { - return u32(1) << u5(cap & 31); -} - -pub fn CAP_TO_INDEX(cap: u8) u8 { - return cap >> 5; -} - -pub const cap_t = extern struct { - hdrp: *cap_user_header_t, - datap: *cap_user_data_t, -}; - -pub const cap_user_header_t = extern struct { - version: u32, - pid: usize, -}; - -pub const cap_user_data_t = extern struct { - effective: u32, - permitted: u32, - inheritable: u32, -}; - pub fn unshare(flags: usize) usize { return syscall1(SYS_unshare, flags); } @@ -1591,29 +818,6 @@ pub fn capset(hdrp: *cap_user_header_t, datap: *const cap_user_data_t) usize { return syscall2(SYS_capset, @ptrToInt(hdrp), @ptrToInt(datap)); } -pub const inotify_event = extern struct { - wd: i32, - mask: u32, - cookie: u32, - len: u32, - //name: [?]u8, -}; - -pub const dirent64 = extern struct { - d_ino: u64, - d_off: u64, - d_reclen: u16, - d_type: u8, - d_name: u8, // field address is the address of first byte of name https://github.com/ziglang/zig/issues/173 -}; - -pub const dl_phdr_info = extern struct { - dlpi_addr: usize, - dlpi_name: ?[*]const u8, - dlpi_phdr: [*]elf.Phdr, - dlpi_phnum: u16, -}; - // XXX: This should be weak extern const __ehdr_start: elf.Ehdr = undefined; @@ -1671,8 +875,8 @@ pub fn dl_iterate_phdr(comptime T: type, callback: extern fn (info: *dl_phdr_inf return last_r; } -test "import" { - if (builtin.os == builtin.Os.linux) { +test "" { + if (is_the_target) { _ = @import("linux/test.zig"); } } |