mirror of
https://github.com/ziglang/zig.git
synced 2025-12-09 07:43:10 +00:00
3deda15e21
The main purpose of this branch is to explore avoiding the `usingnamespace` feature of the zig language, specifically with regards to `std.os` and related functionality. If this experiment is successful, it will provide a data point on whether or not it would be practical to entirely remove `usingnamespace` from the language. In this commit, `usingnamespace` has been completely eliminated from the Linux x86_64 compilation path, aside from io_uring. The behavior tests pass, however that's as far as this branch goes. It is very breaking, and a lot more work is needed before it could be considered mergeable. I wanted to put a pull requset up early so that zig programmers have time to provide feedback. This is progress towards closing #6600 since it clarifies where the actual "owner" of each declaration is, and reduces the number of different ways to import the same declarations. One of the main organizational strategies used here is to do namespacing with real namespaces (e.g. structs) rather than by having declarations share a common prefix (the C strategy). It's no coincidence that `usingnamespace` has similar semantics to `#include` and becomes much less necessary when using proper namespaces.
726 lines
16 KiB
Zig
726 lines
16 KiB
Zig
// i386-specific declarations that are intended to be imported into the POSIX namespace.
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// This does include Linux-only APIs.
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const std = @import("../../../std.zig");
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const linux = std.os.linux;
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const socklen_t = linux.socklen_t;
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const iovec = linux.iovec;
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const iovec_const = linux.iovec_const;
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const uid_t = linux.uid_t;
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const gid_t = linux.gid_t;
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const pid_t = linux.pid_t;
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const stack_t = linux.stack_t;
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const sigset_t = linux.sigset_t;
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pub const SYS = enum(usize) {
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restart_syscall = 0,
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exit = 1,
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fork = 2,
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read = 3,
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write = 4,
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open = 5,
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close = 6,
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waitpid = 7,
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creat = 8,
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link = 9,
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unlink = 10,
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execve = 11,
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chdir = 12,
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time = 13,
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mknod = 14,
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chmod = 15,
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lchown = 16,
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@"break" = 17,
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oldstat = 18,
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lseek = 19,
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getpid = 20,
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mount = 21,
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umount = 22,
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setuid = 23,
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getuid = 24,
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stime = 25,
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ptrace = 26,
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alarm = 27,
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oldfstat = 28,
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pause = 29,
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utime = 30,
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stty = 31,
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gtty = 32,
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access = 33,
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nice = 34,
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ftime = 35,
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sync = 36,
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kill = 37,
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rename = 38,
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mkdir = 39,
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rmdir = 40,
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dup = 41,
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pipe = 42,
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times = 43,
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prof = 44,
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brk = 45,
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setgid = 46,
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getgid = 47,
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signal = 48,
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geteuid = 49,
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getegid = 50,
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acct = 51,
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umount2 = 52,
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lock = 53,
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ioctl = 54,
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fcntl = 55,
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mpx = 56,
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setpgid = 57,
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ulimit = 58,
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oldolduname = 59,
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umask = 60,
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chroot = 61,
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ustat = 62,
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dup2 = 63,
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getppid = 64,
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getpgrp = 65,
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setsid = 66,
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sigaction = 67,
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sgetmask = 68,
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ssetmask = 69,
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setreuid = 70,
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setregid = 71,
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sigsuspend = 72,
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sigpending = 73,
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sethostname = 74,
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setrlimit = 75,
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getrlimit = 76,
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getrusage = 77,
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gettimeofday = 78,
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settimeofday = 79,
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getgroups = 80,
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setgroups = 81,
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select = 82,
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symlink = 83,
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oldlstat = 84,
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readlink = 85,
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uselib = 86,
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swapon = 87,
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reboot = 88,
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readdir = 89,
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mmap = 90,
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munmap = 91,
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truncate = 92,
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ftruncate = 93,
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fchmod = 94,
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fchown = 95,
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getpriority = 96,
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setpriority = 97,
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profil = 98,
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statfs = 99,
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fstatfs = 100,
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ioperm = 101,
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socketcall = 102,
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syslog = 103,
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setitimer = 104,
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getitimer = 105,
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stat = 106,
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lstat = 107,
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fstat = 108,
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olduname = 109,
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iopl = 110,
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vhangup = 111,
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idle = 112,
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vm86old = 113,
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wait4 = 114,
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swapoff = 115,
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sysinfo = 116,
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ipc = 117,
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fsync = 118,
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sigreturn = 119,
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clone = 120,
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setdomainname = 121,
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uname = 122,
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modify_ldt = 123,
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adjtimex = 124,
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mprotect = 125,
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sigprocmask = 126,
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create_module = 127,
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init_module = 128,
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delete_module = 129,
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get_kernel_syms = 130,
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quotactl = 131,
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getpgid = 132,
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fchdir = 133,
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bdflush = 134,
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sysfs = 135,
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personality = 136,
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afs_syscall = 137,
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setfsuid = 138,
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setfsgid = 139,
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_llseek = 140,
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getdents = 141,
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_newselect = 142,
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flock = 143,
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msync = 144,
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readv = 145,
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writev = 146,
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getsid = 147,
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fdatasync = 148,
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_sysctl = 149,
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mlock = 150,
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munlock = 151,
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mlockall = 152,
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munlockall = 153,
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sched_setparam = 154,
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sched_getparam = 155,
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sched_setscheduler = 156,
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sched_getscheduler = 157,
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sched_yield = 158,
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sched_get_priority_max = 159,
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sched_get_priority_min = 160,
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sched_rr_get_interval = 161,
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nanosleep = 162,
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mremap = 163,
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setresuid = 164,
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getresuid = 165,
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vm86 = 166,
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query_module = 167,
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poll = 168,
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nfsservctl = 169,
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setresgid = 170,
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getresgid = 171,
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prctl = 172,
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rt_sigreturn = 173,
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rt_sigaction = 174,
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rt_sigprocmask = 175,
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rt_sigpending = 176,
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rt_sigtimedwait = 177,
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rt_sigqueueinfo = 178,
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rt_sigsuspend = 179,
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pread64 = 180,
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pwrite64 = 181,
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chown = 182,
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getcwd = 183,
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capget = 184,
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capset = 185,
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sigaltstack = 186,
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sendfile = 187,
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getpmsg = 188,
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putpmsg = 189,
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vfork = 190,
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ugetrlimit = 191,
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mmap2 = 192,
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truncate64 = 193,
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ftruncate64 = 194,
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stat64 = 195,
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lstat64 = 196,
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fstat64 = 197,
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lchown32 = 198,
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getuid32 = 199,
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getgid32 = 200,
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geteuid32 = 201,
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getegid32 = 202,
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setreuid32 = 203,
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setregid32 = 204,
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getgroups32 = 205,
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setgroups32 = 206,
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fchown32 = 207,
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setresuid32 = 208,
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getresuid32 = 209,
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setresgid32 = 210,
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getresgid32 = 211,
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chown32 = 212,
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setuid32 = 213,
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setgid32 = 214,
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setfsuid32 = 215,
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setfsgid32 = 216,
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pivot_root = 217,
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mincore = 218,
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madvise = 219,
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getdents64 = 220,
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fcntl64 = 221,
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gettid = 224,
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readahead = 225,
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setxattr = 226,
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lsetxattr = 227,
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fsetxattr = 228,
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getxattr = 229,
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lgetxattr = 230,
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fgetxattr = 231,
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listxattr = 232,
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llistxattr = 233,
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flistxattr = 234,
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removexattr = 235,
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lremovexattr = 236,
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fremovexattr = 237,
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tkill = 238,
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sendfile64 = 239,
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futex = 240,
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sched_setaffinity = 241,
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sched_getaffinity = 242,
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set_thread_area = 243,
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get_thread_area = 244,
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io_setup = 245,
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io_destroy = 246,
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io_getevents = 247,
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io_submit = 248,
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io_cancel = 249,
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fadvise64 = 250,
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exit_group = 252,
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lookup_dcookie = 253,
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epoll_create = 254,
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epoll_ctl = 255,
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epoll_wait = 256,
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remap_file_pages = 257,
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set_tid_address = 258,
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timer_create = 259,
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timer_settime, // SYS_timer_create + 1
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timer_gettime, // SYS_timer_create + 2
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timer_getoverrun, // SYS_timer_create + 3
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timer_delete, // SYS_timer_create + 4
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clock_settime, // SYS_timer_create + 5
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clock_gettime, // SYS_timer_create + 6
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clock_getres, // SYS_timer_create + 7
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clock_nanosleep, // SYS_timer_create + 8
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statfs64 = 268,
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fstatfs64 = 269,
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tgkill = 270,
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utimes = 271,
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fadvise64_64 = 272,
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vserver = 273,
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mbind = 274,
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get_mempolicy = 275,
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set_mempolicy = 276,
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mq_open = 277,
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mq_unlink, // SYS_mq_open + 1
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mq_timedsend, // SYS_mq_open + 2
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mq_timedreceive, // SYS_mq_open + 3
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mq_notify, // SYS_mq_open + 4
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mq_getsetattr, // SYS_mq_open + 5
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kexec_load = 283,
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waitid = 284,
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add_key = 286,
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request_key = 287,
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keyctl = 288,
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ioprio_set = 289,
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ioprio_get = 290,
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inotify_init = 291,
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inotify_add_watch = 292,
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inotify_rm_watch = 293,
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migrate_pages = 294,
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openat = 295,
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mkdirat = 296,
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mknodat = 297,
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fchownat = 298,
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futimesat = 299,
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fstatat64 = 300,
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unlinkat = 301,
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renameat = 302,
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linkat = 303,
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symlinkat = 304,
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readlinkat = 305,
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fchmodat = 306,
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faccessat = 307,
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pselect6 = 308,
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ppoll = 309,
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unshare = 310,
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set_robust_list = 311,
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get_robust_list = 312,
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splice = 313,
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sync_file_range = 314,
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tee = 315,
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vmsplice = 316,
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move_pages = 317,
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getcpu = 318,
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epoll_pwait = 319,
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utimensat = 320,
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signalfd = 321,
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timerfd_create = 322,
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eventfd = 323,
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fallocate = 324,
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timerfd_settime = 325,
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timerfd_gettime = 326,
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signalfd4 = 327,
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eventfd2 = 328,
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epoll_create1 = 329,
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dup3 = 330,
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pipe2 = 331,
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inotify_init1 = 332,
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preadv = 333,
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pwritev = 334,
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rt_tgsigqueueinfo = 335,
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perf_event_open = 336,
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recvmmsg = 337,
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fanotify_init = 338,
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fanotify_mark = 339,
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prlimit64 = 340,
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name_to_handle_at = 341,
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open_by_handle_at = 342,
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clock_adjtime = 343,
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syncfs = 344,
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sendmmsg = 345,
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setns = 346,
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process_vm_readv = 347,
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process_vm_writev = 348,
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kcmp = 349,
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finit_module = 350,
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sched_setattr = 351,
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sched_getattr = 352,
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renameat2 = 353,
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seccomp = 354,
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getrandom = 355,
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memfd_create = 356,
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bpf = 357,
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execveat = 358,
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socket = 359,
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socketpair = 360,
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bind = 361,
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connect = 362,
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listen = 363,
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accept4 = 364,
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getsockopt = 365,
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setsockopt = 366,
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getsockname = 367,
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getpeername = 368,
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sendto = 369,
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sendmsg = 370,
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recvfrom = 371,
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recvmsg = 372,
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shutdown = 373,
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userfaultfd = 374,
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membarrier = 375,
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mlock2 = 376,
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copy_file_range = 377,
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preadv2 = 378,
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pwritev2 = 379,
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pkey_mprotect = 380,
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pkey_alloc = 381,
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pkey_free = 382,
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statx = 383,
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arch_prctl = 384,
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io_pgetevents = 385,
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rseq = 386,
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semget = 393,
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semctl = 394,
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shmget = 395,
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shmctl = 396,
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shmat = 397,
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shmdt = 398,
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msgget = 399,
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msgsnd = 400,
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msgrcv = 401,
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msgctl = 402,
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clock_gettime64 = 403,
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clock_settime64 = 404,
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clock_adjtime64 = 405,
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clock_getres_time64 = 406,
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clock_nanosleep_time64 = 407,
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timer_gettime64 = 408,
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timer_settime64 = 409,
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timerfd_gettime64 = 410,
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timerfd_settime64 = 411,
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utimensat_time64 = 412,
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pselect6_time64 = 413,
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ppoll_time64 = 414,
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io_pgetevents_time64 = 416,
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recvmmsg_time64 = 417,
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mq_timedsend_time64 = 418,
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mq_timedreceive_time64 = 419,
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semtimedop_time64 = 420,
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rt_sigtimedwait_time64 = 421,
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futex_time64 = 422,
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sched_rr_get_interval_time64 = 423,
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pidfd_send_signal = 424,
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io_uring_setup = 425,
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io_uring_enter = 426,
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io_uring_register = 427,
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open_tree = 428,
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move_mount = 429,
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fsopen = 430,
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fsconfig = 431,
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fsmount = 432,
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fspick = 433,
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pidfd_open = 434,
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clone3 = 435,
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close_range = 436,
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openat2 = 437,
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pidfd_getfd = 438,
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faccessat2 = 439,
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process_madvise = 440,
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epoll_pwait2 = 441,
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_,
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};
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pub const O = struct {
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pub const RDONLY = 0o0;
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pub const WRONLY = 0o1;
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pub const RDWR = 0o2;
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pub const CREAT = 0o100;
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pub const EXCL = 0o200;
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pub const NOCTTY = 0o400;
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pub const TRUNC = 0o1000;
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pub const APPEND = 0o2000;
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pub const NONBLOCK = 0o4000;
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pub const DSYNC = 0o10000;
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pub const SYNC = 0o4010000;
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pub const RSYNC = 0o4010000;
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pub const DIRECTORY = 0o200000;
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pub const NOFOLLOW = 0o400000;
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pub const CLOEXEC = 0o2000000;
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pub const ASYNC = 0o20000;
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pub const DIRECT = 0o40000;
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pub const LARGEFILE = 0o100000;
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pub const NOATIME = 0o1000000;
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pub const PATH = 0o10000000;
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pub const TMPFILE = 0o20200000;
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pub const NDELAY = NONBLOCK;
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};
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pub const F = struct {
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pub const DUPFD = 0;
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pub const GETFD = 1;
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pub const SETFD = 2;
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pub const GETFL = 3;
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pub const SETFL = 4;
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pub const SETOWN = 8;
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pub const GETOWN = 9;
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pub const SETSIG = 10;
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pub const GETSIG = 11;
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pub const GETLK = 12;
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pub const SETLK = 13;
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pub const SETLKW = 14;
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pub const SETOWN_EX = 15;
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pub const GETOWN_EX = 16;
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pub const GETOWNER_UIDS = 17;
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pub const RDLCK = 0;
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pub const WRLCK = 1;
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pub const UNLCK = 2;
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};
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pub const LOCK = struct {
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pub const SH = 1;
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pub const EX = 2;
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pub const NB = 4;
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pub const UN = 8;
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};
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pub const MAP = struct {
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/// Share changes
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pub const SHARED = 0x01;
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/// Changes are private
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pub const PRIVATE = 0x02;
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/// share + validate extension flags
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pub const SHARED_VALIDATE = 0x03;
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/// Mask for type of mapping
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pub const TYPE = 0x0f;
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/// Interpret addr exactly
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pub const FIXED = 0x10;
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/// don't use a file
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pub const ANONYMOUS = if (is_mips) 0x800 else 0x20;
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/// populate (prefault) pagetables
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pub const POPULATE = if (is_mips) 0x10000 else 0x8000;
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/// do not block on IO
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pub const NONBLOCK = if (is_mips) 0x20000 else 0x10000;
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/// give out an address that is best suited for process/thread stacks
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pub const STACK = if (is_mips) 0x40000 else 0x20000;
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/// create a huge page mapping
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pub const HUGETLB = if (is_mips) 0x80000 else 0x40000;
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/// perform synchronous page faults for the mapping
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pub const SYNC = 0x80000;
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|
/// FIXED which doesn't unmap underlying mapping
|
|
pub const FIXED_NOREPLACE = 0x100000;
|
|
|
|
/// For anonymous mmap, memory could be uninitialized
|
|
pub const UNINITIALIZED = 0x4000000;
|
|
|
|
pub const NORESERVE = 0x4000;
|
|
pub const GROWSDOWN = 0x0100;
|
|
pub const DENYWRITE = 0x0800;
|
|
pub const EXECUTABLE = 0x1000;
|
|
pub const LOCKED = 0x2000;
|
|
pub const @"32BIT" = 0x40;
|
|
};
|
|
|
|
pub const MMAP2_UNIT = 4096;
|
|
|
|
pub const VDSO = struct {
|
|
pub const CGT_SYM = "__vdso_clock_gettime";
|
|
pub const CGT_VER = "LINUX_2.6";
|
|
};
|
|
|
|
pub const ARCH = struct {};
|
|
|
|
pub const Flock = extern struct {
|
|
type: i16,
|
|
whence: i16,
|
|
start: off_t,
|
|
len: off_t,
|
|
pid: pid_t,
|
|
};
|
|
|
|
pub const msghdr = extern struct {
|
|
name: ?*sockaddr,
|
|
namelen: socklen_t,
|
|
iov: [*]iovec,
|
|
iovlen: i32,
|
|
control: ?*c_void,
|
|
controllen: socklen_t,
|
|
flags: i32,
|
|
};
|
|
|
|
pub const msghdr_const = extern struct {
|
|
name: ?*const sockaddr,
|
|
namelen: socklen_t,
|
|
iov: [*]iovec_const,
|
|
iovlen: i32,
|
|
control: ?*c_void,
|
|
controllen: socklen_t,
|
|
flags: i32,
|
|
};
|
|
|
|
pub const blksize_t = i32;
|
|
pub const nlink_t = u32;
|
|
pub const time_t = isize;
|
|
pub const mode_t = u32;
|
|
pub const off_t = i64;
|
|
pub const ino_t = u64;
|
|
pub const dev_t = u64;
|
|
pub const blkcnt_t = i64;
|
|
|
|
// The `stat` definition used by the Linux kernel.
|
|
pub const kernel_stat = extern struct {
|
|
dev: dev_t,
|
|
__dev_padding: u32,
|
|
__ino_truncated: u32,
|
|
mode: mode_t,
|
|
nlink: nlink_t,
|
|
uid: uid_t,
|
|
gid: gid_t,
|
|
rdev: dev_t,
|
|
__rdev_padding: u32,
|
|
size: off_t,
|
|
blksize: blksize_t,
|
|
blocks: blkcnt_t,
|
|
atim: timespec,
|
|
mtim: timespec,
|
|
ctim: timespec,
|
|
ino: ino_t,
|
|
|
|
pub fn atime(self: @This()) timespec {
|
|
return self.atim;
|
|
}
|
|
|
|
pub fn mtime(self: @This()) timespec {
|
|
return self.mtim;
|
|
}
|
|
|
|
pub fn ctime(self: @This()) timespec {
|
|
return self.ctim;
|
|
}
|
|
};
|
|
|
|
// The `stat64` definition used by the libc.
|
|
pub const libc_stat = kernel_stat;
|
|
|
|
pub const timespec = extern struct {
|
|
tv_sec: i32,
|
|
tv_nsec: i32,
|
|
};
|
|
|
|
pub const timeval = extern struct {
|
|
tv_sec: i32,
|
|
tv_usec: i32,
|
|
};
|
|
|
|
pub const timezone = extern struct {
|
|
tz_minuteswest: i32,
|
|
tz_dsttime: i32,
|
|
};
|
|
|
|
pub const mcontext_t = extern struct {
|
|
gregs: [19]usize,
|
|
fpregs: [*]u8,
|
|
oldmask: usize,
|
|
cr2: usize,
|
|
};
|
|
|
|
pub const REG = struct {
|
|
pub const GS = 0;
|
|
pub const FS = 1;
|
|
pub const ES = 2;
|
|
pub const DS = 3;
|
|
pub const EDI = 4;
|
|
pub const ESI = 5;
|
|
pub const EBP = 6;
|
|
pub const ESP = 7;
|
|
pub const EBX = 8;
|
|
pub const EDX = 9;
|
|
pub const ECX = 10;
|
|
pub const EAX = 11;
|
|
pub const TRAPNO = 12;
|
|
pub const ERR = 13;
|
|
pub const EIP = 14;
|
|
pub const CS = 15;
|
|
pub const EFL = 16;
|
|
pub const UESP = 17;
|
|
pub const SS = 18;
|
|
};
|
|
|
|
pub const ucontext_t = extern struct {
|
|
flags: usize,
|
|
link: *ucontext_t,
|
|
stack: stack_t,
|
|
mcontext: mcontext_t,
|
|
sigmask: sigset_t,
|
|
regspace: [64]u64,
|
|
};
|
|
|
|
pub const Elf_Symndx = u32;
|
|
|
|
pub const user_desc = packed struct {
|
|
entry_number: u32,
|
|
base_addr: u32,
|
|
limit: u32,
|
|
seg_32bit: u1,
|
|
contents: u2,
|
|
read_exec_only: u1,
|
|
limit_in_pages: u1,
|
|
seg_not_present: u1,
|
|
useable: u1,
|
|
};
|
|
|
|
/// socketcall() call numbers
|
|
pub const SC = struct {
|
|
pub const socket = 1;
|
|
pub const bind = 2;
|
|
pub const connect = 3;
|
|
pub const listen = 4;
|
|
pub const accept = 5;
|
|
pub const getsockname = 6;
|
|
pub const getpeername = 7;
|
|
pub const socketpair = 8;
|
|
pub const send = 9;
|
|
pub const recv = 10;
|
|
pub const sendto = 11;
|
|
pub const recvfrom = 12;
|
|
pub const shutdown = 13;
|
|
pub const setsockopt = 14;
|
|
pub const getsockopt = 15;
|
|
pub const sendmsg = 16;
|
|
pub const recvmsg = 17;
|
|
pub const accept4 = 18;
|
|
pub const recvmmsg = 19;
|
|
pub const sendmmsg = 20;
|
|
};
|