17 files changed, 919 insertions, 0 deletions
diff --git a/third_party/rust/wio/.cargo-checksum.json b/third_party/rust/wio/.cargo-checksum.json
new file mode 100644
index 0000000000..3005879109
--- /dev/null
+++ b/third_party/rust/wio/.cargo-checksum.json
@@ -0,0 +1 @@
+{"files":{"Cargo.toml":"89d6e29e2d13fcf58de301fed58841998c9dd18dd2397f2404ba77ba3dd66730","LICENSE-APACHE":"b40930bbcf80744c86c46a12bc9da056641d722716c378f5659b9e555ef833e1","LICENSE-MIT":"5b19674a1db628a475850a131956ed49521b744e3dda8f5a94141f9aba681219","README.md":"d08ab02a40b9934719cc5f9083aae6b012b2535827048225484adca26776babd","src/apc.rs":"8baef3e1fde88c79c22fda4acc0c56183388a188251fd08b38d6e70eb6a4874f","src/com.rs":"419c855c84dbc93e0ffe9668ad1eece78a73504689c7986a0b27c57256f59659","src/console.rs":"d02d4c83083487159e9626159a27b2b99620d60c85fd01421af9a4d5b441cc16","src/error.rs":"0869b4b1bc731b2d66fc36c33c205d9c888ffc6a057dff61847185357c290f49","src/handle.rs":"322b7881466505c240552171d1b8db0c70fc85e05baf921129bc7ab0a4e54f90","src/lib.rs":"34be2562e1e006a2ada84fabeaf8bcfc3abf91b9f516faa291d58470bb638443","src/perf.rs":"0a50ec0b26bd9d3ec257d1b5fe02787337bc2053bb1e189864937a37ba5dea3d","src/pipe.rs":"671753d23dfbcd17ffcd1c1570beca3720502e9059ef5fde55d5f8e6413da1b3","src/sleep.rs":"63acd7e403b13f21f1a5add47ab79df61deab43b42db24c3570e2867bba454b7","src/thread.rs":"4ab1da513bfb0dc099ddaf7ce6622d46423007a7ec7a902064bf24b1805b63ae","src/ums.rs":"024f1513de1f72d6f8a796567f08f1a3ac728ab1a83ae94a9cd851f5d9d7e9b2","src/wide.rs":"443ef562870d316e1fd967ae9752c98cc9b7483abb0ad79b295628cc9440c3ad"},"package":"5d129932f4644ac2396cb456385cbf9e63b5b30c6e8dc4820bdca4eb082037a5"}
+\ No newline at end of file
diff --git a/third_party/rust/wio/Cargo.toml b/third_party/rust/wio/Cargo.toml
new file mode 100644
index 0000000000..2e1c29ab2a
--- /dev/null
+++ b/third_party/rust/wio/Cargo.toml
@@ -0,0 +1,28 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+name = "wio"
+version = "0.2.2"
+authors = ["Peter Atashian <retep998@gmail.com>"]
+include = ["/src/**/*", "/Cargo.toml", "/LICENSE-MIT", "/LICENSE-APACHE", "/build.rs", "/README.md"]
+description = "Windows IO wrapper"
+readme = "README.md"
+keywords = ["windows", "ffi", "win32", "com"]
+categories = ["api-bindings", "os::windows-apis"]
+license = "MIT/Apache-2.0"
+repository = "https://github.com/retep998/wio-rs"
+[dependencies.winapi]
+version = "0.3"
+features = ["consoleapi", "errhandlingapi", "fileapi", "handleapi", "minwindef", "processthreadsapi", "std", "unknwnbase", "wincon", "winnt"]
+[dev-dependencies.rand]
+version = "0.4"
diff --git a/third_party/rust/wio/LICENSE-APACHE b/third_party/rust/wio/LICENSE-APACHE
new file mode 100644
index 0000000000..8dada3edaf
--- /dev/null
+++ b/third_party/rust/wio/LICENSE-APACHE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      whether in tort (including negligence), contract, or otherwise,
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+
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+   you may not use this file except in compliance with the License.
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+       http://www.apache.org/licenses/LICENSE-2.0
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+   Unless required by applicable law or agreed to in writing, software
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diff --git a/third_party/rust/wio/LICENSE-MIT b/third_party/rust/wio/LICENSE-MIT
new file mode 100644
index 0000000000..796e929aa5
--- /dev/null
+++ b/third_party/rust/wio/LICENSE-MIT
@@ -0,0 +1,19 @@
+Copyright (c) 2015 The winapi-rs Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/third_party/rust/wio/README.md b/third_party/rust/wio/README.md
new file mode 100644
index 0000000000..3a7a0a9dad
--- /dev/null
+++ b/third_party/rust/wio/README.md
@@ -0,0 +1,4 @@
+# wio-rs #
+
+A middle-level wrapper around various things in Windows API.
+Designed to be a very thin layer around Windows API to provide a safe Rusty API but without hiding any functionality.
diff --git a/third_party/rust/wio/src/apc.rs b/third_party/rust/wio/src/apc.rs
new file mode 100644
index 0000000000..21dcef2974
--- /dev/null
+++ b/third_party/rust/wio/src/apc.rs
@@ -0,0 +1,39 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use {Result, k32, last_error, w};
+use std::os::windows::io::{AsRawHandle};
+use thread::{Thread};
+
+pub fn queue<T>(func: T, thread: &Thread) -> Result<()> where T: FnOnce() + 'static {
+    unsafe extern "system" fn helper<T: FnOnce() + 'static>(thing: w::ULONG_PTR) {
+        let func = Box::from_raw(thing as *mut T);
+        func()
+    }
+    let thing = Box::into_raw(Box::new(func)) as w::ULONG_PTR;
+    match unsafe { k32::QueueUserAPC(Some(helper::<T>), thread.as_raw_handle(), thing) } {
+        0 => {
+            // If it fails we still need to deallocate the function
+            unsafe { Box::from_raw(thing as *mut T) };
+            last_error()
+        },
+        _ => Ok(()),
+    }
+}
+pub fn queue_current<T>(func: T) -> Result<()> where T: FnOnce() + 'static {
+    unsafe extern "system" fn helper<T: FnOnce() + 'static>(thing: w::ULONG_PTR) {
+        let func = Box::from_raw(thing as *mut T);
+        func()
+    }
+    let thing = Box::into_raw(Box::new(func)) as w::ULONG_PTR;
+    match unsafe { k32::QueueUserAPC(Some(helper::<T>), k32::GetCurrentThread(), thing) } {
+        0 => {
+            // If it fails we still need to deallocate the function
+            unsafe { Box::from_raw(thing as *mut T) };
+            last_error()
+        },
+        _ => Ok(()),
+    }
+}
diff --git a/third_party/rust/wio/src/com.rs b/third_party/rust/wio/src/com.rs
new file mode 100644
index 0000000000..d94d3d35cf
--- /dev/null
+++ b/third_party/rust/wio/src/com.rs
@@ -0,0 +1,79 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use std::fmt::{Debug, Error as FmtError, Formatter};
+use std::mem::forget;
+use std::ops::Deref;
+use std::ptr::{NonNull, null_mut};
+use winapi::Interface;
+use winapi::um::unknwnbase::IUnknown;
+
+// ComPtr to wrap COM interfaces sanely
+#[repr(transparent)]
+pub struct ComPtr<T>(NonNull<T>);
+impl<T> ComPtr<T> {
+    /// Creates a `ComPtr` to wrap a raw pointer.
+    /// It takes ownership over the pointer which means it does __not__ call `AddRef`.
+    /// `T` __must__ be a COM interface that inherits from `IUnknown`.
+    pub unsafe fn from_raw(ptr: *mut T) -> ComPtr<T> where T: Interface {
+        ComPtr(NonNull::new(ptr).expect("ptr should not be null"))
+    }
+    /// Casts up the inheritance chain
+    pub fn up<U>(self) -> ComPtr<U> where T: Deref<Target=U>, U: Interface {
+        unsafe { ComPtr::from_raw(self.into_raw() as *mut U) }
+    }
+    /// Extracts the raw pointer.
+    /// You are now responsible for releasing it yourself.
+    pub fn into_raw(self) -> *mut T {
+        let p = self.0.as_ptr();
+        forget(self);
+        p
+    }
+    /// For internal use only.
+    fn as_unknown(&self) -> &IUnknown {
+        unsafe { &*(self.as_raw() as *mut IUnknown) }
+    }
+    /// Performs QueryInterface fun.
+    pub fn cast<U>(&self) -> Result<ComPtr<U>, i32> where U: Interface {
+        let mut obj = null_mut();
+        let err = unsafe { self.as_unknown().QueryInterface(&U::uuidof(), &mut obj) };
+        if err < 0 { return Err(err); }
+        Ok(unsafe { ComPtr::from_raw(obj as *mut U) })
+    }
+    /// Obtains the raw pointer without transferring ownership.
+    /// Do __not__ release this pointer because it is still owned by the `ComPtr`.
+    pub fn as_raw(&self) -> *mut T {
+        self.0.as_ptr()
+    }
+}
+impl<T> Deref for ComPtr<T> {
+    type Target = T;
+    fn deref(&self) -> &T {
+        unsafe { &*self.as_raw() }
+    }
+}
+impl<T> Clone for ComPtr<T> where T: Interface {
+    fn clone(&self) -> Self {
+        unsafe {
+            self.as_unknown().AddRef();
+            ComPtr::from_raw(self.as_raw())
+        }
+    }
+}
+impl<T> Debug for ComPtr<T> {
+    fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
+        write!(f, "{:?}", self.0)
+    }
+}
+impl<T> Drop for ComPtr<T> {
+    fn drop(&mut self) {
+        unsafe { self.as_unknown().Release(); }
+    }
+}
+impl<T> PartialEq<ComPtr<T>> for ComPtr<T> where T: Interface {
+    fn eq(&self, other: &ComPtr<T>) -> bool {
+        self.0 == other.0
+    }
+}
diff --git a/third_party/rust/wio/src/console.rs b/third_party/rust/wio/src/console.rs
new file mode 100644
index 0000000000..a7d9fa7989
--- /dev/null
+++ b/third_party/rust/wio/src/console.rs
@@ -0,0 +1,270 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use error::{Error, Result};
+use handle::Handle;
+use std::{
+    mem::{size_of_val, zeroed},
+    os::windows::io::FromRawHandle,
+    ptr::{null, null_mut},
+};
+use wide::ToWide;
+use winapi::{
+    um::{
+        consoleapi::{AllocConsole, GetConsoleCP, GetConsoleOutputCP, GetNumberOfConsoleInputEvents, ReadConsoleInputW},
+        fileapi::{CreateFileW, OPEN_EXISTING},
+        handleapi::INVALID_HANDLE_VALUE,
+        wincon::{AttachConsole, CHAR_INFO, CONSOLE_FONT_INFOEX, CONSOLE_SCREEN_BUFFER_INFO, CONSOLE_SCREEN_BUFFER_INFOEX, CONSOLE_TEXTMODE_BUFFER, COORD, CreateConsoleScreenBuffer, FlushConsoleInputBuffer, FOCUS_EVENT, FreeConsole, GetConsoleScreenBufferInfo, GetConsoleScreenBufferInfoEx, GetCurrentConsoleFont, INPUT_RECORD, KEY_EVENT, MENU_EVENT, MOUSE_EVENT, SetConsoleActiveScreenBuffer, SetConsoleCP, SetConsoleOutputCP, SetConsoleScreenBufferInfoEx, SMALL_RECT, WINDOW_BUFFER_SIZE_EVENT, WriteConsoleOutputW},
+        winnt::{FILE_SHARE_READ, FILE_SHARE_WRITE, GENERIC_READ, GENERIC_WRITE, HANDLE},
+    },
+    shared::minwindef::{DWORD, FALSE},
+};
+
+pub struct ScreenBuffer(Handle);
+impl ScreenBuffer {
+    pub fn new() -> Result<ScreenBuffer> {
+        let handle = unsafe { CreateConsoleScreenBuffer(
+            GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
+            null(), CONSOLE_TEXTMODE_BUFFER, null_mut(),
+        )};
+        if handle == INVALID_HANDLE_VALUE { return Error::last() }
+        unsafe { Ok(ScreenBuffer(Handle::new(handle))) }
+    }
+    /// Gets the actual active console screen buffer
+    pub fn from_conout() -> Result<ScreenBuffer> {
+        let handle = unsafe { CreateFileW(
+            "CONOUT$".to_wide_null().as_ptr(), GENERIC_READ | GENERIC_WRITE,
+            FILE_SHARE_READ, null_mut(), OPEN_EXISTING,
+            0, null_mut(),
+        )};
+        if handle == INVALID_HANDLE_VALUE { return Error::last() }
+        unsafe { Ok(ScreenBuffer(Handle::new(handle))) }
+    }
+    pub fn set_active(&self) -> Result<()> {
+        let res = unsafe { SetConsoleActiveScreenBuffer(*self.0) };
+        if res == 0 { return Error::last() }
+        Ok(())
+    }
+    pub fn info(&self) -> Result<ScreenBufferInfo> {
+        let mut info = ScreenBufferInfo(unsafe { zeroed() });
+        let res = unsafe { GetConsoleScreenBufferInfo(*self.0, &mut info.0) };
+        if res == 0 { return Error::last() }
+        Ok(info)
+    }
+    pub fn info_ex(&self) -> Result<ScreenBufferInfoEx> {
+        let mut info: CONSOLE_SCREEN_BUFFER_INFOEX = unsafe { zeroed() };
+        info.cbSize = size_of_val(&info) as u32;
+        let res = unsafe { GetConsoleScreenBufferInfoEx(*self.0, &mut info) };
+        if res == 0 { return Error::last() }
+        // Yes, this is important
+        info.srWindow.Right += 1;
+        info.srWindow.Bottom += 1;
+        Ok(ScreenBufferInfoEx(info))
+    }
+    pub fn set_info_ex(&self, mut info: ScreenBufferInfoEx) -> Result<()> {
+        let res = unsafe { SetConsoleScreenBufferInfoEx(*self.0, &mut info.0) };
+        if res == 0 { return Error::last() }
+        Ok(())
+    }
+    // pub fn font_ex(&self) -> Result<FontEx> {
+        // unsafe {
+            // let mut info = zeroed();
+            // info.cbSize = size_of_val(&info);
+            // let res = GetCurrentConsoleFontEx(*self.0, w::FALSE, &mut info);
+            // if res == 0 { return Error::last() }
+            // Ok(FontEx(info))
+        // }
+    // }
+    pub fn write_output(&self, buf: &[CharInfo], size: (i16, i16), pos: (i16, i16)) -> Result<()> {
+        assert!(buf.len() == (size.0 as usize) * (size.1 as usize));
+        let mut rect = SMALL_RECT {
+            Left: pos.0,
+            Top: pos.1,
+            Right: pos.0 + size.0,
+            Bottom: pos.1 + size.1,
+        };
+        let size = COORD { X: size.0, Y: size.1 };
+        let pos = COORD { X: 0, Y: 0 };
+        let res = unsafe { WriteConsoleOutputW(
+            *self.0, buf.as_ptr() as *const CHAR_INFO, size, pos, &mut rect
+        )};
+        if res == 0 { return Error::last() }
+        Ok(())
+    }
+    pub fn font_size(&self) -> Result<(i16, i16)> {
+        unsafe {
+            let mut font = zeroed();
+            let res = GetCurrentConsoleFont(*self.0, FALSE, &mut font);
+            if res == 0 { return Error::last() }
+            Ok((font.dwFontSize.X, font.dwFontSize.Y))
+        }
+    }
+}
+impl FromRawHandle for ScreenBuffer {
+    unsafe fn from_raw_handle(handle: HANDLE) -> ScreenBuffer {
+        ScreenBuffer(Handle::new(handle))
+    }
+}
+pub struct InputBuffer(Handle);
+impl InputBuffer {
+    /// Gets the actual active console input buffer
+    pub fn from_conin() -> Result<InputBuffer> {
+        let handle = unsafe { CreateFileW(
+            "CONIN$".to_wide_null().as_ptr(), GENERIC_READ | GENERIC_WRITE,
+            FILE_SHARE_READ | FILE_SHARE_WRITE, null_mut(), OPEN_EXISTING,
+            0, null_mut(),
+        )};
+        if handle == INVALID_HANDLE_VALUE { Error::last() }
+        else { unsafe { Ok(InputBuffer::from_raw_handle(handle)) } }
+    }
+    /// The number of input that is available to read
+    pub fn available_input(&self) -> Result<u32> {
+        let mut num = 0;
+        let res = unsafe { GetNumberOfConsoleInputEvents(*self.0, &mut num) };
+        if res == 0 { return Error::last() }
+        Ok(num)
+    }
+    /// Reads a bunch of input events
+    pub fn read_input(&self) -> Result<Vec<Input>> {
+        let mut buf: [INPUT_RECORD; 0x1000] = unsafe { zeroed() };
+        let mut size = 0;
+        let res = unsafe { ReadConsoleInputW(
+            *self.0, buf.as_mut_ptr(), buf.len() as DWORD, &mut size,
+        )};
+        if res == 0 { return Error::last() }
+        Ok(buf[..(size as usize)].iter().map(|input| {
+            unsafe { match input.EventType {
+                KEY_EVENT => {
+                    let e = input.Event.KeyEvent();
+                    Input::Key {
+                        key_down: e.bKeyDown != 0,
+                        repeat_count: e.wRepeatCount,
+                        key_code: e.wVirtualKeyCode,
+                        scan_code: e.wVirtualScanCode,
+                        wide_char: *e.uChar.UnicodeChar(),
+                        control_key_state: e.dwControlKeyState,
+                    }
+                },
+                MOUSE_EVENT => {
+                    let e = input.Event.MouseEvent();
+                    Input::Mouse {
+                        position: (e.dwMousePosition.X, e.dwMousePosition.Y),
+                        button_state: e.dwButtonState,
+                        control_key_state: e.dwControlKeyState,
+                        event_flags: e.dwEventFlags,
+                    }
+                },
+                WINDOW_BUFFER_SIZE_EVENT => {
+                    let s = input.Event.WindowBufferSizeEvent().dwSize;
+                    Input::WindowBufferSize(s.X, s.Y)
+                },
+                MENU_EVENT => Input::Menu(input.Event.MenuEvent().dwCommandId),
+                FOCUS_EVENT => Input::Focus(input.Event.FocusEvent().bSetFocus != 0),
+                e => unreachable!("invalid event type: {}", e),
+            } }
+        }).collect())
+    }
+    /// Clears all pending input
+    pub fn flush_input(&self) -> Result<()> {
+        let res = unsafe { FlushConsoleInputBuffer(*self.0) };
+        if res == 0 { return Error::last() }
+        Ok(())
+    }
+}
+impl FromRawHandle for InputBuffer {
+    unsafe fn from_raw_handle(handle: HANDLE) -> InputBuffer {
+        InputBuffer(Handle::from_raw_handle(handle))
+    }
+}
+#[repr(transparent)] #[derive(Copy, Clone)]
+pub struct ScreenBufferInfo(CONSOLE_SCREEN_BUFFER_INFO);
+impl ScreenBufferInfo {
+    pub fn size(&self) -> (i16, i16) {
+        (self.0.dwSize.X, self.0.dwSize.Y)
+    }
+}
+#[repr(transparent)] #[derive(Copy, Clone)]
+pub struct ScreenBufferInfoEx(CONSOLE_SCREEN_BUFFER_INFOEX);
+impl ScreenBufferInfoEx {
+    pub fn raw_mut(&mut self) -> &mut CONSOLE_SCREEN_BUFFER_INFOEX {
+        &mut self.0
+    }
+}
+#[repr(transparent)] #[derive(Copy, Clone)]
+pub struct FontInfoEx(CONSOLE_FONT_INFOEX);
+#[derive(Copy, Clone)]
+pub enum Input {
+    Key {
+        key_down: bool,
+        repeat_count: u16,
+        key_code: u16,
+        scan_code: u16,
+        wide_char: u16,
+        control_key_state: u32,
+    },
+    Mouse {
+        position: (i16, i16),
+        button_state: u32,
+        control_key_state: u32,
+        event_flags: u32,
+    },
+    WindowBufferSize(i16, i16),
+    Menu(u32),
+    Focus(bool),
+}
+#[repr(transparent)] #[derive(Copy, Clone)]
+pub struct CharInfo(CHAR_INFO);
+impl CharInfo {
+    pub fn new(ch: u16, attr: u16) -> CharInfo {
+        let mut ci: CHAR_INFO = unsafe { zeroed() };
+        unsafe { *ci.Char.UnicodeChar_mut() = ch };
+        ci.Attributes = attr;
+        CharInfo(ci)
+    }
+    pub fn character(&self) -> u16 { unsafe { *self.0.Char.UnicodeChar() } }
+    pub fn attributes(&self) -> u16 { self.0.Attributes }
+}
+/// Allocates a console if the process does not already have a console.
+pub fn alloc() -> Result<()> {
+    match unsafe { AllocConsole() } {
+        0 => Error::last(),
+        _ => Ok(()),
+    }
+}
+/// Detaches the process from its current console.
+pub fn free() -> Result<()> {
+    match unsafe { FreeConsole() } {
+        0 => Error::last(),
+        _ => Ok(()),
+    }
+}
+/// Attaches the process to the console of the specified process.
+/// Pass None to attach to the console of the parent process.
+pub fn attach(processid: Option<u32>) -> Result<()> {
+    match unsafe { AttachConsole(processid.unwrap_or(-1i32 as u32)) } {
+        0 => Error::last(),
+        _ => Ok(()),
+    }
+}
+/// Gets the current input code page
+pub fn input_code_page() -> u32 {
+    unsafe { GetConsoleCP() }
+}
+/// Gets the current output code page
+pub fn output_code_page() -> u32 {
+    unsafe { GetConsoleOutputCP() }
+}
+/// Sets the current input code page
+pub fn set_input_code_page(code: u32) -> Result<()> {
+    let res = unsafe { SetConsoleCP(code) };
+    if res == 0 { return Error::last() }
+    Ok(())
+}
+/// Sets the current output code page
+pub fn set_output_code_page(code: u32) -> Result<()> {
+    let res = unsafe { SetConsoleOutputCP(code) };
+    if res == 0 { return Error::last() }
+    Ok(())
+}
diff --git a/third_party/rust/wio/src/error.rs b/third_party/rust/wio/src/error.rs
new file mode 100644
index 0000000000..4d321c1c8d
--- /dev/null
+++ b/third_party/rust/wio/src/error.rs
@@ -0,0 +1,18 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use std::result;
+use winapi::shared::minwindef::DWORD;
+use winapi::um::errhandlingapi::GetLastError;
+#[derive(Clone, Copy, Debug)]
+pub struct Error(DWORD);
+impl Error {
+    pub fn code(&self) -> u32 { self.0 }
+    pub fn last<T>() -> Result<T> {
+        Err(Error(unsafe { GetLastError() }))
+    }
+}
+
+pub type Result<T> = result::Result<T, Error>;
diff --git a/third_party/rust/wio/src/handle.rs b/third_party/rust/wio/src/handle.rs
new file mode 100644
index 0000000000..e19e950b6b
--- /dev/null
+++ b/third_party/rust/wio/src/handle.rs
@@ -0,0 +1,71 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use error::{Error, Result};
+use std::{
+    ops::Deref,
+    os::windows::io::{AsRawHandle, FromRawHandle, IntoRawHandle},
+    ptr::null_mut,
+};
+use winapi::{
+    um::{
+        handleapi::{CloseHandle, DuplicateHandle},
+        processthreadsapi::GetCurrentProcess,
+        winnt::{DUPLICATE_SAME_ACCESS, HANDLE},
+    },
+    shared::minwindef::FALSE,
+};
+
+pub struct Handle(HANDLE);
+impl Handle {
+    // Takes ownership of the handle
+    pub unsafe fn new(handle: HANDLE) -> Handle {
+        Handle(handle)
+    }
+    pub fn close(self) -> Result<()> {
+        match unsafe { CloseHandle(self.into_raw_handle()) } {
+            0 => Error::last(),
+            _ => Ok(()),
+        }
+    }
+    // Duplicates the handle without taking ownership
+    pub unsafe fn duplicate_from(handle: HANDLE) -> Result<Handle> {
+        let mut new_handle = null_mut();
+        let res = DuplicateHandle(
+            GetCurrentProcess(), handle, GetCurrentProcess(),
+            &mut new_handle, 0, FALSE, DUPLICATE_SAME_ACCESS,
+        );
+        match res {
+            0 => Error::last(),
+            _ => Ok(Handle(new_handle)),
+        }
+    }
+}
+impl AsRawHandle for Handle {
+    fn as_raw_handle(&self) -> HANDLE {
+        self.0
+    }
+}
+impl Deref for Handle {
+    type Target = HANDLE;
+    fn deref(&self) -> &HANDLE { &self.0 }
+}
+impl Drop for Handle {
+    fn drop(&mut self) {
+        let ret = unsafe { CloseHandle(self.0) };
+        let err: Result<()> = Error::last();
+        assert!(ret != 0, "{:?}", err);
+    }
+}
+impl FromRawHandle for Handle {
+    unsafe fn from_raw_handle(handle: HANDLE) -> Handle {
+        Handle(handle)
+    }
+}
+impl IntoRawHandle for Handle {
+    fn into_raw_handle(self) -> HANDLE {
+        self.0
+    }
+}
diff --git a/third_party/rust/wio/src/lib.rs b/third_party/rust/wio/src/lib.rs
new file mode 100644
index 0000000000..c50d002a27
--- /dev/null
+++ b/third_party/rust/wio/src/lib.rs
@@ -0,0 +1,20 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+#![cfg(windows)]
+extern crate winapi;
+
+// pub mod apc;
+pub mod com;
+// pub mod console;
+pub mod error;
+// pub mod handle;
+// pub mod perf;
+// pub mod pipe;
+// pub mod sleep;
+// pub mod thread;
+pub mod wide;
+
+pub use error::{Error, Result};
diff --git a/third_party/rust/wio/src/perf.rs b/third_party/rust/wio/src/perf.rs
new file mode 100644
index 0000000000..0c00a06420
--- /dev/null
+++ b/third_party/rust/wio/src/perf.rs
@@ -0,0 +1,17 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use {k32};
+
+pub fn frequency() -> i64 {
+    let mut freq = 0;
+    unsafe { k32::QueryPerformanceFrequency(&mut freq) };
+    freq
+}
+pub fn counter() -> i64 {
+    let mut count = 0;
+    unsafe { k32::QueryPerformanceCounter(&mut count) };
+    count
+}
diff --git a/third_party/rust/wio/src/pipe.rs b/third_party/rust/wio/src/pipe.rs
new file mode 100644
index 0000000000..f0fe255022
--- /dev/null
+++ b/third_party/rust/wio/src/pipe.rs
@@ -0,0 +1,16 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use handle::{Handle};
+
+pub struct NamedPipe(Handle);
+impl NamedPipe {
+    //fn create(name: &[u16], access: Access, )
+}
+pub enum Access {
+    Inbound,
+    Outbound,
+    Duplex,
+}
diff --git a/third_party/rust/wio/src/sleep.rs b/third_party/rust/wio/src/sleep.rs
new file mode 100644
index 0000000000..bfe2cda5fa
--- /dev/null
+++ b/third_party/rust/wio/src/sleep.rs
@@ -0,0 +1,23 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use {k32, w};
+
+pub fn sleep(ms: u32) {
+    unsafe { k32::Sleep(ms) }
+}
+#[derive(Debug, Eq, PartialEq)]
+pub enum WakeReason {
+    TimedOut,
+    CallbacksFired,
+}
+pub fn sleep_alertable(ms: u32) -> WakeReason {
+    let ret = unsafe { k32::SleepEx(ms, w::TRUE) };
+    match ret {
+        0 => WakeReason::TimedOut,
+        w::WAIT_IO_COMPLETION => WakeReason::CallbacksFired,
+        _ => unreachable!("SleepEx returned weird value of {:?}", ret),
+    }
+}
diff --git a/third_party/rust/wio/src/thread.rs b/third_party/rust/wio/src/thread.rs
new file mode 100644
index 0000000000..417247b78b
--- /dev/null
+++ b/third_party/rust/wio/src/thread.rs
@@ -0,0 +1,51 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use {Result, k32, last_error, w};
+use handle::{Handle};
+use std::os::windows::io::{AsRawHandle, FromRawHandle, IntoRawHandle};
+use std::thread::{JoinHandle};
+
+pub struct Thread(Handle);
+impl Thread {
+    pub fn current() -> Result<Thread> {
+        unsafe { Handle::duplicate_from(k32::GetCurrentThread()).map(Thread) }
+    }
+    /// Returns the old affinity mask on success
+    pub fn set_affinity_mask(&self, mask: usize) -> Result<usize> {
+        let res = unsafe {
+            k32::SetThreadAffinityMask(*self.0, mask as w::ULONG_PTR)
+        };
+        match res {
+            0 => last_error(),
+            prev => Ok(prev as usize),
+        }
+    }
+}
+impl<T> From<JoinHandle<T>> for Thread {
+    fn from(o: JoinHandle<T>) -> Thread {
+        unsafe { Thread::from_raw_handle(o.into_raw_handle()) }
+    }
+}
+impl<'a, T> From<&'a JoinHandle<T>> for Thread {
+    fn from(o: &'a JoinHandle<T>) -> Thread {
+        unsafe { Thread::from_raw_handle(o.as_raw_handle()) }
+    }
+}
+impl AsRawHandle for Thread {
+    fn as_raw_handle(&self) -> w::HANDLE {
+        self.0.as_raw_handle()
+    }
+}
+impl IntoRawHandle for Thread {
+    fn into_raw_handle(self) -> w::HANDLE {
+        self.0.into_raw_handle()
+    }
+}
+impl FromRawHandle for Thread {
+    unsafe fn from_raw_handle(handle: w::HANDLE) -> Thread {
+        Thread(Handle::from_raw_handle(handle))
+    }
+}
diff --git a/third_party/rust/wio/src/ums.rs b/third_party/rust/wio/src/ums.rs
new file mode 100644
index 0000000000..3100036867
--- /dev/null
+++ b/third_party/rust/wio/src/ums.rs
@@ -0,0 +1,3 @@
+// Copyright © 2016, Peter Atashian
+// Licensed under the MIT License <LICENSE.md>
+use {k32, w};
+\ No newline at end of file
diff --git a/third_party/rust/wio/src/wide.rs b/third_party/rust/wio/src/wide.rs
new file mode 100644
index 0000000000..0b4d9fe416
--- /dev/null
+++ b/third_party/rust/wio/src/wide.rs
@@ -0,0 +1,59 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use std::ffi::{OsStr, OsString};
+use std::os::windows::ffi::{OsStrExt, OsStringExt};
+use std::path::PathBuf;
+use std::slice::from_raw_parts;
+
+pub trait ToWide {
+    fn to_wide(&self) -> Vec<u16>;
+    fn to_wide_null(&self) -> Vec<u16>;
+}
+impl<T> ToWide for T where T: AsRef<OsStr> {
+    #[inline]
+    fn to_wide(&self) -> Vec<u16> {
+        self.as_ref().encode_wide().collect()
+    }
+    #[inline]
+    fn to_wide_null(&self) -> Vec<u16> {
+        self.as_ref().encode_wide().chain(Some(0)).collect()
+    }
+}
+pub trait FromWide where Self: Sized {
+    fn from_wide(wide: &[u16]) -> Self;
+    #[inline]
+    fn from_wide_null(wide: &[u16]) -> Self {
+        let len = wide.iter().take_while(|&&c| c != 0).count();
+        Self::from_wide(&wide[..len])
+    }
+    #[inline]
+    unsafe fn from_wide_ptr(wide: *const u16, len: usize) -> Self {
+        assert!(!wide.is_null());
+        Self::from_wide(from_raw_parts(wide, len))
+    }
+    #[inline]
+    unsafe fn from_wide_ptr_null(wide: *const u16) -> Self {
+        assert!(!wide.is_null());
+        for i in 0.. {
+            if *wide.offset(i) == 0 {
+                return Self::from_wide_ptr(wide, i as usize)
+            }
+        }
+        unreachable!()
+    }
+}
+impl FromWide for OsString {
+    #[inline]
+    fn from_wide(wide: &[u16]) -> OsString {
+        OsStringExt::from_wide(wide)
+    }
+}
+impl FromWide for PathBuf {
+    #[inline]
+    fn from_wide(wide: &[u16]) -> PathBuf {
+        <OsString as OsStringExt>::from_wide(wide).into()
+    }
+}