Updating dependencies + fix macos warning.

Author: Narsil

Cargo.toml

@@ -22,18 +22,18 @@ serialize = ["serde"]
 unstable_grab = ["evdev-rs", "epoll", "inotify"]
 
 [target.'cfg(target_os = "macos")'.dependencies]
-cocoa = "0.22"
-core-graphics = {version = "0.19.0", features = ["highsierra"]}
-core-foundation = {version = "0.7"}
-core-foundation-sys = {version = "0.7"}
+cocoa = "0.26"
+core-graphics = {version = "0.24.0", features = ["highsierra"]}
+core-foundation = {version = "0.10"}
+core-foundation-sys = {version = "0.8"}
 
 
 [target.'cfg(target_os = "linux")'.dependencies]
 libc = "0.2"
 x11 = {version = "2.18", features = ["xlib", "xrecord", "xinput"]}
-evdev-rs = {version = "0.4.0", optional=true}
+evdev-rs = {version = "0.6", optional=true}
 epoll = {version = "4.1.0", optional=true}
-inotify = {version = "0.8.2", default-features=false, optional=true}
+inotify = {version = "0.11", default-features=false, optional=true}
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3", features = ["winuser", "errhandlingapi", "processthreadsapi"] }
@@ -43,7 +43,7 @@ serde_json = "1.0"
 # Some tests interact with the real OS. We can't hit the OS in parallel
 # because that leads to unexpected behavior and flaky tests, so we need
 # to run thoses tests in sequence instead.
-serial_test = "0.4"
+serial_test = "3"
 tokio = {version = "1.5", features=["sync", "macros", "rt-multi-thread"]}
 
 [[example]]

src/macos/listen.rs

@@ -22,7 +22,10 @@ unsafe extern "C" fn raw_callback(
     let opt = KEYBOARD_STATE.lock();
     if let Ok(mut keyboard) = opt {
         if let Some(event) = convert(_type, &cg_event, &mut keyboard) {
-            if let Some(callback) = &mut GLOBAL_CALLBACK {
+            // Reborrowing the global callback pointer.
+            // Totally UB. but not sure there's a great alternative.
+            let ptr = &raw mut GLOBAL_CALLBACK;
+            if let Some(callback) = &mut *ptr {
                 callback(event);
             }
         }