Zig 0.17.0-dev (Split by item)

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futexWake

Uring.futexWake

fn futexWake(userdata: ?*anyopaque, ptr: *const u32, max_waiters: u32) void

File

lib/std/Io/Uring.zig:2042

Code

fn futexWake(userdata: ?*anyopaque, ptr: *const u32, max_waiters: u32) void {
    const ev: *Evented = @ptrCast(@alignCast(userdata));
    _ = ev;
    const thread: *Thread = .current();
    thread.enqueue().* = .{
        .opcode = .FUTEX_WAKE,
        .flags = linux.IOSQE_CQE_SKIP_SUCCESS,
        .ioprio = 0,
        .fd = @bitCast(linux.FUTEX2_FLAGS{ .size = .U32, .private = true }),
        .off = max_waiters,
        .addr = @intFromPtr(ptr),
        .len = 0,
        .rw_flags = 0,
        .user_data = @backingInt(Completion.Userdata.futex_wake),
        .buf_index = 0,
        .personality = 0,
        .splice_fd_in = 0,
        .addr3 = std.math.maxInt(u32),
        .resv = 0,
    };
    thread.submit();
}