From 79951acf39fbb1b44e4313167926dfe8be7e20e5 Mon Sep 17 00:00:00 2001
From: Nicolas <abramlujan@gmail.com>
Date: Mon, 15 Jul 2019 02:56:56 -0300
Subject: [PATCH] Replace static mut bool with AtomicBool

---
 src/window_draw_list.rs | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/window_draw_list.rs b/src/window_draw_list.rs
index 2a35c70..e00608e 100644
--- a/src/window_draw_list.rs
+++ b/src/window_draw_list.rs
@@ -62,24 +62,20 @@ pub struct WindowDrawList<'ui> {
     _phantom: PhantomData<&'ui Ui<'ui>>,
 }
 
-static mut WINDOW_DRAW_LIST_LOADED: bool = false;
+static WINDOW_DRAW_LIST_LOADED: std::sync::atomic::AtomicBool = std::sync::atomic::AtomicBool::new(false);
 
 impl<'ui> Drop for WindowDrawList<'ui> {
     fn drop(&mut self) {
-        unsafe {
-            WINDOW_DRAW_LIST_LOADED = false;
-        }
+        WINDOW_DRAW_LIST_LOADED.store(false, std::sync::atomic::Ordering::SeqCst);
     }
 }
 
 impl<'ui> WindowDrawList<'ui> {
     pub(crate) fn new(_: &Ui<'ui>) -> Self {
-        unsafe {
-            if WINDOW_DRAW_LIST_LOADED {
-                panic!("WindowDrawList is already loaded! You can only load one instance of it!")
-            }
-            WINDOW_DRAW_LIST_LOADED = true;
+        if WINDOW_DRAW_LIST_LOADED.load(std::sync::atomic::Ordering::SeqCst) {
+            panic!("WindowDrawList is already loaded! You can only load one instance of it!")
         }
+        WINDOW_DRAW_LIST_LOADED.store(true, std::sync::atomic::Ordering::SeqCst);
         Self {
             draw_list: unsafe { sys::igGetWindowDrawList() },
             _phantom: PhantomData,