3 files changed, 9 insertions, 8 deletions

diff --git a/alacritty_terminal/Cargo.toml b/alacritty_terminal/Cargo.toml
index 6afa7fef..32e09a72 100644
--- a/alacritty_terminal/Cargo.toml
+++ b/alacritty_terminal/Cargo.toml
@@ -34,7 +34,7 @@ signal-hook = "0.3.10"
 [target.'cfg(windows)'.dependencies]
 piper = "0.2.1"
 miow = "0.6.0"
-windows-sys = { version = "0.52.0", features = [
+windows-sys = { version = "0.59.0", features = [
     "Win32_System_Console",
     "Win32_Foundation",
     "Win32_Security",
diff --git a/alacritty_terminal/src/tty/windows/child.rs b/alacritty_terminal/src/tty/windows/child.rs
index dc6b992c..573eb475 100644
--- a/alacritty_terminal/src/tty/windows/child.rs
+++ b/alacritty_terminal/src/tty/windows/child.rs
@@ -1,6 +1,7 @@
 use std::ffi::c_void;
 use std::io::Error;
 use std::num::NonZeroU32;
+use std::ptr;
 use std::sync::atomic::{AtomicPtr, Ordering};
 use std::sync::{mpsc, Arc, Mutex};
 
@@ -50,7 +51,7 @@ pub struct ChildExitWatcher {
     wait_handle: AtomicPtr<c_void>,
     event_rx: mpsc::Receiver<ChildEvent>,
     interest: Arc<Mutex<Option<Interest>>>,
-    child_handle: HANDLE,
+    child_handle: AtomicPtr<c_void>,
     pid: Option<NonZeroU32>,
 }
 
@@ -58,12 +59,12 @@ impl ChildExitWatcher {
     pub fn new(child_handle: HANDLE) -> Result<ChildExitWatcher, Error> {
         let (event_tx, event_rx) = mpsc::channel();
 
-        let mut wait_handle: HANDLE = 0;
+        let mut wait_handle: HANDLE = ptr::null_mut();
         let interest = Arc::new(Mutex::new(None));
         let sender_ref = Box::new(ChildExitSender {
             sender: event_tx,
             interest: interest.clone(),
-            child_handle: AtomicPtr::from(child_handle as *mut c_void),
+            child_handle: AtomicPtr::from(child_handle),
         });
 
         let success = unsafe {
@@ -82,11 +83,11 @@ impl ChildExitWatcher {
         } else {
             let pid = unsafe { NonZeroU32::new(GetProcessId(child_handle)) };
             Ok(ChildExitWatcher {
-                wait_handle: AtomicPtr::from(wait_handle as *mut c_void),
                 event_rx,
                 interest,
-                child_handle,
                 pid,
+                child_handle: AtomicPtr::from(child_handle),
+                wait_handle: AtomicPtr::from(wait_handle),
             })
         }
     }
@@ -112,7 +113,7 @@ impl ChildExitWatcher {
     /// If you terminate the process using this handle, the terminal will get a
     /// timeout error, and the child watcher will emit an `Exited` event.
     pub fn raw_handle(&self) -> HANDLE {
-        self.child_handle
+        self.child_handle.load(Ordering::Relaxed) as HANDLE
     }
 
     /// Retrieve the Process ID associated to the underlying child process.
diff --git a/alacritty_terminal/src/tty/windows/conpty.rs b/alacritty_terminal/src/tty/windows/conpty.rs
index 28289f90..bcbc1f0e 100644
--- a/alacritty_terminal/src/tty/windows/conpty.rs
+++ b/alacritty_terminal/src/tty/windows/conpty.rs
@@ -72,7 +72,7 @@ impl ConptyApi {
         type LoadedFn = unsafe extern "system" fn() -> isize;
         unsafe {
             let hmodule = LoadLibraryW(w!("conpty.dll"));
-            if hmodule == 0 {
+            if hmodule.is_null() {
                 return None;
             }
             let create_fn = GetProcAddress(hmodule, s!("CreatePseudoConsole"))?;