mirror of
https://github.com/ziglang/zig.git
synced 2025-12-09 15:53:08 +00:00
078aa5f7b2
On Linux, locking fails with EAGAIN (vs. EACCES on other systems). This commit also adds FcntlErrors for EDEADLK and ENOLCK.
527 lines
11 KiB
Zig
527 lines
11 KiB
Zig
const std = @import("../../std.zig");
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const uid_t = std.os.linux.uid_t;
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const gid_t = std.os.linux.gid_t;
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const pid_t = std.os.linux.pid_t;
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const timespec = std.os.linux.timespec;
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pub fn syscall0(number: SYS) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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: "memory"
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);
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}
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pub fn syscall1(number: SYS, arg1: usize) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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: "memory"
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);
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}
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pub fn syscall2(number: SYS, arg1: usize, arg2: usize) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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[arg2] "{x11}" (arg2),
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: "memory"
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);
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}
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pub fn syscall3(number: SYS, arg1: usize, arg2: usize, arg3: usize) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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[arg2] "{x11}" (arg2),
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[arg3] "{x12}" (arg3),
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: "memory"
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);
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}
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pub fn syscall4(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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[arg2] "{x11}" (arg2),
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[arg3] "{x12}" (arg3),
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[arg4] "{x13}" (arg4),
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: "memory"
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);
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}
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pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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[arg2] "{x11}" (arg2),
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[arg3] "{x12}" (arg3),
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[arg4] "{x13}" (arg4),
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[arg5] "{x14}" (arg5),
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: "memory"
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);
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}
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pub fn syscall6(
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number: SYS,
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arg1: usize,
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arg2: usize,
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arg3: usize,
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arg4: usize,
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arg5: usize,
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arg6: usize,
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) usize {
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return asm volatile ("ecall"
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: [ret] "={x10}" (-> usize),
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: [number] "{x17}" (@enumToInt(number)),
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[arg1] "{x10}" (arg1),
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[arg2] "{x11}" (arg2),
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[arg3] "{x12}" (arg3),
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[arg4] "{x13}" (arg4),
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[arg5] "{x14}" (arg5),
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[arg6] "{x15}" (arg6),
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: "memory"
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);
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}
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pub extern fn clone(func: fn (arg: usize) callconv(.C) u8, stack: usize, flags: u32, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
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pub const restore = restore_rt;
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pub fn restore_rt() callconv(.Naked) void {
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return asm volatile ("ecall"
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:
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: [number] "{x17}" (@enumToInt(SYS.rt_sigreturn)),
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: "memory"
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);
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}
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pub const SYS = enum(usize) {
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pub const arch_specific_syscall = 244;
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io_setup = 0,
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io_destroy = 1,
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io_submit = 2,
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io_cancel = 3,
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io_getevents = 4,
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setxattr = 5,
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lsetxattr = 6,
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fsetxattr = 7,
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getxattr = 8,
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lgetxattr = 9,
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fgetxattr = 10,
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listxattr = 11,
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llistxattr = 12,
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flistxattr = 13,
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removexattr = 14,
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lremovexattr = 15,
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fremovexattr = 16,
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getcwd = 17,
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lookup_dcookie = 18,
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eventfd2 = 19,
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epoll_create1 = 20,
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epoll_ctl = 21,
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epoll_pwait = 22,
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dup = 23,
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dup3 = 24,
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fcntl = 25,
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inotify_init1 = 26,
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inotify_add_watch = 27,
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inotify_rm_watch = 28,
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ioctl = 29,
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ioprio_set = 30,
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ioprio_get = 31,
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flock = 32,
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mknodat = 33,
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mkdirat = 34,
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unlinkat = 35,
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symlinkat = 36,
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linkat = 37,
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umount2 = 39,
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mount = 40,
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pivot_root = 41,
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nfsservctl = 42,
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statfs = 43,
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fstatfs = 44,
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truncate = 45,
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ftruncate = 46,
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fallocate = 47,
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faccessat = 48,
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chdir = 49,
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fchdir = 50,
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chroot = 51,
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fchmod = 52,
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fchmodat = 53,
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fchownat = 54,
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fchown = 55,
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openat = 56,
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close = 57,
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vhangup = 58,
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pipe2 = 59,
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quotactl = 60,
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getdents64 = 61,
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lseek = 62,
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read = 63,
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write = 64,
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readv = 65,
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writev = 66,
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pread64 = 67,
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pwrite64 = 68,
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preadv = 69,
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pwritev = 70,
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sendfile = 71,
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pselect6 = 72,
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ppoll = 73,
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signalfd4 = 74,
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vmsplice = 75,
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splice = 76,
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tee = 77,
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readlinkat = 78,
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fstatat = 79,
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fstat = 80,
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sync = 81,
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fsync = 82,
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fdatasync = 83,
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sync_file_range = 84,
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timerfd_create = 85,
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timerfd_settime = 86,
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timerfd_gettime = 87,
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utimensat = 88,
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acct = 89,
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capget = 90,
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capset = 91,
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personality = 92,
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exit = 93,
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exit_group = 94,
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waitid = 95,
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set_tid_address = 96,
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unshare = 97,
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futex = 98,
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set_robust_list = 99,
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get_robust_list = 100,
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nanosleep = 101,
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getitimer = 102,
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setitimer = 103,
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kexec_load = 104,
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init_module = 105,
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delete_module = 106,
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timer_create = 107,
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timer_gettime = 108,
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timer_getoverrun = 109,
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timer_settime = 110,
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timer_delete = 111,
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clock_settime = 112,
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clock_gettime = 113,
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clock_getres = 114,
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clock_nanosleep = 115,
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syslog = 116,
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ptrace = 117,
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sched_setparam = 118,
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sched_setscheduler = 119,
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sched_getscheduler = 120,
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sched_getparam = 121,
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sched_setaffinity = 122,
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sched_getaffinity = 123,
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sched_yield = 124,
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sched_get_priority_max = 125,
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sched_get_priority_min = 126,
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sched_rr_get_interval = 127,
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restart_syscall = 128,
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kill = 129,
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tkill = 130,
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tgkill = 131,
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sigaltstack = 132,
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rt_sigsuspend = 133,
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rt_sigaction = 134,
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rt_sigprocmask = 135,
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rt_sigpending = 136,
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rt_sigtimedwait = 137,
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rt_sigqueueinfo = 138,
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rt_sigreturn = 139,
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setpriority = 140,
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getpriority = 141,
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reboot = 142,
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setregid = 143,
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setgid = 144,
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setreuid = 145,
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setuid = 146,
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setresuid = 147,
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getresuid = 148,
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setresgid = 149,
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getresgid = 150,
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setfsuid = 151,
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setfsgid = 152,
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times = 153,
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setpgid = 154,
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getpgid = 155,
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getsid = 156,
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setsid = 157,
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getgroups = 158,
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setgroups = 159,
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uname = 160,
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sethostname = 161,
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setdomainname = 162,
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getrlimit = 163,
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setrlimit = 164,
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getrusage = 165,
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umask = 166,
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prctl = 167,
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getcpu = 168,
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gettimeofday = 169,
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settimeofday = 170,
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adjtimex = 171,
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getpid = 172,
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getppid = 173,
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getuid = 174,
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geteuid = 175,
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getgid = 176,
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getegid = 177,
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gettid = 178,
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sysinfo = 179,
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mq_open = 180,
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mq_unlink = 181,
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mq_timedsend = 182,
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mq_timedreceive = 183,
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mq_notify = 184,
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mq_getsetattr = 185,
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msgget = 186,
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msgctl = 187,
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msgrcv = 188,
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msgsnd = 189,
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semget = 190,
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semctl = 191,
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semtimedop = 192,
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semop = 193,
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shmget = 194,
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shmctl = 195,
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shmat = 196,
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shmdt = 197,
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socket = 198,
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socketpair = 199,
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bind = 200,
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listen = 201,
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accept = 202,
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connect = 203,
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getsockname = 204,
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getpeername = 205,
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sendto = 206,
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recvfrom = 207,
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setsockopt = 208,
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getsockopt = 209,
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shutdown = 210,
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sendmsg = 211,
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recvmsg = 212,
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readahead = 213,
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brk = 214,
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munmap = 215,
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mremap = 216,
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add_key = 217,
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request_key = 218,
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keyctl = 219,
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clone = 220,
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execve = 221,
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mmap = 222,
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fadvise64 = 223,
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swapon = 224,
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swapoff = 225,
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mprotect = 226,
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msync = 227,
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mlock = 228,
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munlock = 229,
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mlockall = 230,
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munlockall = 231,
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mincore = 232,
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madvise = 233,
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remap_file_pages = 234,
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mbind = 235,
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get_mempolicy = 236,
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set_mempolicy = 237,
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migrate_pages = 238,
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move_pages = 239,
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rt_tgsigqueueinfo = 240,
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perf_event_open = 241,
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accept4 = 242,
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recvmmsg = 243,
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riscv_flush_icache = arch_specific_syscall + 15,
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wait4 = 260,
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prlimit64 = 261,
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fanotify_init = 262,
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fanotify_mark = 263,
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name_to_handle_at = 264,
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open_by_handle_at = 265,
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clock_adjtime = 266,
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syncfs = 267,
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setns = 268,
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sendmmsg = 269,
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process_vm_readv = 270,
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process_vm_writev = 271,
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kcmp = 272,
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finit_module = 273,
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sched_setattr = 274,
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sched_getattr = 275,
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renameat2 = 276,
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seccomp = 277,
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getrandom = 278,
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memfd_create = 279,
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bpf = 280,
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execveat = 281,
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userfaultfd = 282,
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membarrier = 283,
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mlock2 = 284,
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copy_file_range = 285,
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preadv2 = 286,
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pwritev2 = 287,
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pkey_mprotect = 288,
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pkey_alloc = 289,
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pkey_free = 290,
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statx = 291,
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io_pgetevents = 292,
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rseq = 293,
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kexec_file_load = 294,
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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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mount_setattr = 442,
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landlock_create_ruleset = 444,
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landlock_add_rule = 445,
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landlock_restrict_self = 446,
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_,
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};
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pub const O = struct {
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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 GETLK = 5;
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pub const SETLK = 6;
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pub const SETLKW = 7;
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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 RDLCK = 0;
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pub const WRLCK = 1;
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pub const UNLCK = 2;
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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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};
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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 UN = 8;
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pub const NB = 4;
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};
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pub const blksize_t = i32;
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pub const nlink_t = u32;
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pub const time_t = isize;
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pub const mode_t = u32;
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pub const off_t = isize;
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pub const ino_t = usize;
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pub const dev_t = usize;
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pub const blkcnt_t = isize;
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pub const timeval = extern struct {
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tv_sec: time_t,
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tv_usec: i64,
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};
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pub const Flock = extern struct {
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type: i16,
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whence: i16,
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start: off_t,
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len: off_t,
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pid: pid_t,
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__unused: [4]u8,
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};
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// The `stat` definition used by the Linux kernel.
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pub const Stat = extern struct {
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dev: dev_t,
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ino: ino_t,
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mode: mode_t,
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nlink: nlink_t,
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uid: uid_t,
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gid: gid_t,
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rdev: dev_t,
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__pad: usize,
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size: off_t,
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blksize: blksize_t,
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__pad2: i32,
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blocks: blkcnt_t,
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atim: timespec,
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mtim: timespec,
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ctim: timespec,
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__unused: [2]u32,
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pub fn atime(self: @This()) timespec {
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return self.atim;
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}
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pub fn mtime(self: @This()) timespec {
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return self.mtim;
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}
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pub fn ctime(self: @This()) timespec {
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return self.ctim;
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}
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};
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pub const Elf_Symndx = u32;
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pub const VDSO = struct {};
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pub const MAP = struct {};
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