Provide universal Arc implementation for non-atomic platforms

drivers/native/src/devices/window_screen/window.rs

@@ -1,10 +1,8 @@
-use alloc::sync::Arc;
-
 use arboard::Clipboard;
 use graphics::{InputData, Key, Point, State};
 use pixels::{Pixels, SurfaceTexture};
 use synchronization::rwlock::RwLock;
-use synchronization::{blocking_mutex::raw::CriticalSectionRawMutex, channel::Sender};
+use synchronization::{Arc, blocking_mutex::raw::CriticalSectionRawMutex, channel::Sender};
 use winit::{
     application::ApplicationHandler,
     dpi::LogicalSize,

drivers/wasm/src/devices/graphics/mouse.rs

@@ -1,7 +1,7 @@
-use alloc::{boxed::Box, string::String, sync::Arc};
+use alloc::{boxed::Box, string::String};
 use file_system::{DirectBaseOperations, DirectCharacterDevice, MountOperations, Size};
 use graphics::{InputData, Point, State};
-use synchronization::{blocking_mutex::raw::CriticalSectionRawMutex, rwlock::RwLock};
+use synchronization::{Arc, blocking_mutex::raw::CriticalSectionRawMutex, rwlock::RwLock};
 use task::block_on;
 use wasm_bindgen::{JsCast, prelude::Closure};
 use web_sys::{HtmlCanvasElement, MouseEvent, TouchEvent};

modules/synchronization/Cargo.toml

@@ -8,3 +8,6 @@ embassy-sync = { workspace = true, features = ["std"] }
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dependencies]
 embassy-sync = { workspace = true }
+
+[target.'cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))'.dev-dependencies]
+critical-section = { workspace = true, features = ["std"] }