diff options
Diffstat (limited to 'lib/std/os/bits/linux.zig')
| -rw-r--r-- | lib/std/os/bits/linux.zig | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/lib/std/os/bits/linux.zig b/lib/std/os/bits/linux.zig new file mode 100644 index 0000000000..939d203e8d --- /dev/null +++ b/lib/std/os/bits/linux.zig @@ -0,0 +1,1187 @@ +const builtin = @import("builtin"); +const std = @import("../../std.zig"); +const maxInt = std.math.maxInt; +usingnamespace @import("../bits.zig"); + +pub usingnamespace @import("linux/errno.zig"); +pub usingnamespace switch (builtin.arch) { + .x86_64 => @import("linux/x86_64.zig"), + .aarch64 => @import("linux/arm64.zig"), + .arm => @import("linux/arm-eabi.zig"), + .riscv64 => @import("linux/riscv64.zig"), + else => struct {}, +}; + +pub const pid_t = i32; +pub const fd_t = i32; +pub const uid_t = i32; +pub const gid_t = u32; +pub const clock_t = isize; + +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; + +/// Special value used to indicate openat should use the current working directory +pub const AT_FDCWD = -100; + +/// Do not follow symbolic links +pub const AT_SYMLINK_NOFOLLOW = 0x100; + +/// Remove directory instead of unlinking file +pub const AT_REMOVEDIR = 0x200; + +/// Follow symbolic links. +pub const AT_SYMLINK_FOLLOW = 0x400; + +/// Suppress terminal automount traversal +pub const AT_NO_AUTOMOUNT = 0x800; + +/// Allow empty relative pathname +pub const AT_EMPTY_PATH = 0x1000; + +/// Type of synchronisation required from statx() +pub const AT_STATX_SYNC_TYPE = 0x6000; + +/// - Do whatever stat() does +pub const AT_STATX_SYNC_AS_STAT = 0x0000; + +/// - Force the attributes to be sync'd with the server +pub const AT_STATX_FORCE_SYNC = 0x2000; + +/// - Don't sync attributes with the server +pub const AT_STATX_DONT_SYNC = 0x4000; + +/// Apply to the entire subtree +pub const AT_RECURSIVE = 0x8000; + +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; + +/// Share changes +pub const MAP_SHARED = 0x01; + +/// Changes are private +pub const MAP_PRIVATE = 0x02; + +/// share + validate extension flags +pub const MAP_SHARED_VALIDATE = 0x03; + +/// Mask for type of mapping +pub const MAP_TYPE = 0x0f; + +/// Interpret addr exactly +pub const MAP_FIXED = 0x10; + +/// don't use a file +pub const MAP_ANONYMOUS = 0x20; + +// MAP_ 0x0100 - 0x4000 flags are per architecture + +/// populate (prefault) pagetables +pub const MAP_POPULATE = 0x8000; + +/// do not block on IO +pub const MAP_NONBLOCK = 0x10000; + +/// give out an address that is best suited for process/thread stacks +pub const MAP_STACK = 0x20000; + +/// create a huge page mapping +pub const MAP_HUGETLB = 0x40000; + +/// perform synchronous page faults for the mapping +pub const MAP_SYNC = 0x80000; + +/// MAP_FIXED which doesn't unmap underlying mapping +pub const MAP_FIXED_NOREPLACE = 0x100000; + +/// For anonymous mmap, memory could be uninitialized +pub const MAP_UNINITIALIZED = 0x4000000; + +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 kernel_rwf = u32; + +/// high priority request, poll if possible +pub const RWF_HIPRI = kernel_rwf(0x00000001); + +/// per-IO O_DSYNC +pub const RWF_DSYNC = kernel_rwf(0x00000002); + +/// per-IO O_SYNC +pub const RWF_SYNC = kernel_rwf(0x00000004); + +/// per-IO, return -EAGAIN if operation would block +pub const RWF_NOWAIT = kernel_rwf(0x00000008); + +/// per-IO O_APPEND +pub const RWF_APPEND = kernel_rwf(0x00000010); + +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_OLD = 29; +pub const SO_PEERSEC = 31; +pub const SO_PASSSEC = 34; +pub const SO_TIMESTAMPNS_OLD = 35; +pub const SO_MARK = 36; +pub const SO_TIMESTAMPING_OLD = 37; +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 SO_TXTIME = 61; +pub const SCM_TXTIME = SO_TXTIME; +pub const SO_BINDTOIFINDEX = 62; +pub const SO_TIMESTAMP_NEW = 63; +pub const SO_TIMESTAMPNS_NEW = 64; +pub const SO_TIMESTAMPING_NEW = 65; +pub const SO_RCVTIMEO_NEW = 66; +pub const SO_SNDTIMEO_NEW = 67; +pub const SO_DETACH_REUSEPORT_BPF = 68; + +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 const TFD_TIMER_ABSTIME = 1; +pub const TFD_TIMER_CANCEL_ON_SET = (1 << 1); + +pub fn WEXITSTATUS(s: u32) u32 { + return (s & 0xff00) >> 8; +} +pub fn WTERMSIG(s: u32) u32 { + return s & 0x7f; +} +pub fn WSTOPSIG(s: u32) u32 { + return WEXITSTATUS(s); +} +pub fn WIFEXITED(s: u32) bool { + return WTERMSIG(s) == 0; +} +pub fn WIFSTOPPED(s: u32) bool { + return @intCast(u16, ((s & 0xffff) *% 0x10001) >> 8) > 0x7f00; +} +pub fn WIFSIGNALED(s: u32) bool { + return (s & 0xffff) -% 1 < 0xff; +} + +pub const winsize = extern struct { + ws_row: u16, + ws_col: u16, + ws_xpixel: u16, + ws_ypixel: u16, +}; + +pub const NSIG = 65; +pub const sigset_t = [128 / @sizeOf(usize)]usize; +pub const all_mask = [_]u32{ 0xffffffff, 0xffffffff }; +pub const app_mask = [_]u32{ 0xfffffffc, 0x7fffffff }; + +pub const k_sigaction = extern struct { + sigaction: ?extern fn (i32, *siginfo_t, *c_void) void, + flags: usize, + restorer: extern fn () void, + mask: [2]u32, +}; + +/// Renamed from `sigaction` to `Sigaction` to avoid conflict with the syscall. +pub const Sigaction = extern struct { + sigaction: ?extern fn (i32, *siginfo_t, *c_void) void, + mask: sigset_t, + flags: u32, + restorer: ?extern fn () void = null, +}; + +pub const SIG_ERR = @intToPtr(extern fn (i32, *siginfo_t, *c_void) void, maxInt(usize)); +pub const SIG_DFL = @intToPtr(?extern fn (i32, *siginfo_t, *c_void) void, 0); +pub const SIG_IGN = @intToPtr(extern fn (i32, *siginfo_t, *c_void) void, 1); +pub const empty_sigset = [_]usize{0} ** sigset_t.len; + +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, + un: sockaddr_un, +}; + +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 mmsghdr = extern struct { + msg_hdr: msghdr, + msg_len: u32, +}; + +pub const mmsghdr_const = extern struct { + msg_hdr: msghdr_const, + msg_len: u32, +}; + +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 = switch (builtin.arch) { + .x86_64 => packed struct { + events: u32, + data: epoll_data, + }, + else => extern struct { + events: u32, + data: epoll_data, + }, +}; + +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 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: [*]std.elf.Phdr, + dlpi_phnum: u16, +}; + +pub const pthread_attr_t = extern struct { + __size: [56]u8, + __align: c_long, +}; + +pub const CPU_SETSIZE = 128; +pub const cpu_set_t = [CPU_SETSIZE / @sizeOf(usize)]usize; +pub const cpu_count_t = @IntType(false, std.math.log2(CPU_SETSIZE * 8)); + +pub fn CPU_COUNT(set: cpu_set_t) cpu_count_t { + var sum: cpu_count_t = 0; + for (set) |x| { + sum += @popCount(usize, x); + } + return sum; +} + +// TODO port these over +//#define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set) +//#define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set) +//#define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set) +//#define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2) +//#define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2) +//#define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2) +//#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set) +//#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set) +//#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2) + +pub const MINSIGSTKSZ = switch (builtin.arch) { + .i386, .x86_64, .arm => 2048, + .aarch64 => 5120, + else => @compileError("MINSIGSTKSZ not defined for this architecture"), +}; +pub const SIGSTKSZ = switch (builtin.arch) { + .i386, .x86_64, .arm => 8192, + .aarch64 => 16384, + else => @compileError("SIGSTKSZ not defined for this architecture"), +}; + +pub const SS_ONSTACK = 1; +pub const SS_DISABLE = 2; +pub const SS_AUTODISARM = 1 << 31; + +pub const stack_t = extern struct { + ss_sp: [*]u8, + ss_flags: i32, + ss_size: isize, +}; + +pub const io_uring_params = extern struct { + sq_entries: u32, + cq_entries: u32, + flags: u32, + sq_thread_cpu: u32, + sq_thread_idle: u32, + resv: [5]u32, + sq_off: io_sqring_offsets, + cq_off: io_cqring_offsets, +}; + +// io_uring_params.flags + +/// io_context is polled +pub const IORING_SETUP_IOPOLL = (1 << 0); + +/// SQ poll thread +pub const IORING_SETUP_SQPOLL = (1 << 1); + +/// sq_thread_cpu is valid +pub const IORING_SETUP_SQ_AFF = (1 << 2); + +pub const io_sqring_offsets = extern struct { + /// offset of ring head + head: u32, + + /// offset of ring tail + tail: u32, + + /// ring mask value + ring_mask: u32, + + /// entries in ring + ring_entries: u32, + + /// ring flags + flags: u32, + + /// number of sqes not submitted + dropped: u32, + + /// sqe index array + array: u32, + + resv1: u32, + resv2: u64, +}; + +// io_sqring_offsets.flags + +/// needs io_uring_enter wakeup +pub const IORING_SQ_NEED_WAKEUP = 1 << 0; + +pub const io_cqring_offsets = extern struct { + head: u32, + tail: u32, + ring_mask: u32, + ring_entries: u32, + overflow: u32, + cqes: u32, + resv: [2]u64, +}; + +pub const io_uring_sqe = extern struct { + opcode: u8, + flags: u8, + ioprio: u16, + fd: i32, + off: u64, + addr: u64, + len: u32, + pub const union1 = extern union { + rw_flags: kernel_rwf, + fsync_flags: u32, + poll_events: u16, + sync_range_flags: u32, + msg_flags: u32, + }; + union1: union1, + user_data: u64, + pub const union2 = extern union { + buf_index: u16, + __pad2: [3]u64, + }; + union2: union2, +}; + +// io_uring_sqe.flags + +/// use fixed fileset +pub const IOSQE_FIXED_FILE = (1 << 0); + +/// issue after inflight IO +pub const IOSQE_IO_DRAIN = (1 << 1); + +/// links next sqe +pub const IOSQE_IO_LINK = (1 << 2); + +pub const IORING_OP_NOP = 0; +pub const IORING_OP_READV = 1; +pub const IORING_OP_WRITEV = 2; +pub const IORING_OP_FSYNC = 3; +pub const IORING_OP_READ_FIXED = 4; +pub const IORING_OP_WRITE_FIXED = 5; +pub const IORING_OP_POLL_ADD = 6; +pub const IORING_OP_POLL_REMOVE = 7; +pub const IORING_OP_SYNC_FILE_RANGE = 8; +pub const IORING_OP_SENDMSG = 9; +pub const IORING_OP_RECVMSG = 10; + +// io_uring_sqe.fsync_flags +pub const IORING_FSYNC_DATASYNC = (1 << 0); + +// IO completion data structure (Completion Queue Entry) +pub const io_uring_cqe = extern struct { + /// io_uring_sqe.data submission passed back + user_data: u64, + + /// result code for this event + res: i32, + flags: u32, +}; + +pub const IORING_OFF_SQ_RING = 0; +pub const IORING_OFF_CQ_RING = 0x8000000; +pub const IORING_OFF_SQES = 0x10000000; + +// io_uring_enter flags +pub const IORING_ENTER_GETEVENTS = (1 << 0); +pub const IORING_ENTER_SQ_WAKEUP = (1 << 1); + +// io_uring_register opcodes and arguments +pub const IORING_REGISTER_BUFFERS = 0; +pub const IORING_UNREGISTER_BUFFERS = 1; +pub const IORING_REGISTER_FILES = 2; +pub const IORING_UNREGISTER_FILES = 3; +pub const IORING_REGISTER_EVENTFD = 4; +pub const IORING_UNREGISTER_EVENTFD = 5; + +pub const utsname = extern struct { + sysname: [65]u8, + nodename: [65]u8, + release: [65]u8, + version: [65]u8, + machine: [65]u8, + domainname: [65]u8, +}; +pub const HOST_NAME_MAX = 64; |