feat: is_running for linux

skyhook/src/lib.rs

@@ -20,3 +20,7 @@ pub fn run(callback: fn(Event)) -> Result<(), Error> {
 pub fn stop() -> Result<(), Error> {
     platforms::stop()
 }
+
+pub fn is_running() -> bool {
+    platforms::is_running()
+}

skyhook/src/platforms/linux/inputdev/mod.rs

@@ -158,3 +158,7 @@ pub fn stop() -> Result<(), Error> {
         message: "Hook cannot be stopped before starting.".into(),
     })
 }
+
+pub fn is_running() -> bool {
+    unsafe { STARTED }
+}

skyhook/src/platforms/linux/mod.rs

@@ -53,3 +53,11 @@ pub fn stop() -> Result<(), Error> {
 
     Ok(())
 }
+
+pub fn is_running() -> bool {
+    match unsafe { &SELECTED_METHOD } {
+        LinuxHookMethod::InputDev => inputdev::is_running(),
+        LinuxHookMethod::XInput => xinput::is_running(),
+        _ => false,
+    }
+}

skyhook/src/platforms/linux/xinput/mod.rs

@@ -156,6 +156,16 @@ pub fn stop() -> Result<(), Error> {
     Ok(())
 }
 
+pub fn is_running() -> bool {
+    unsafe {
+        if let Some(_) = &RECORDER {
+            true
+        } else {
+            false
+        }
+    }
+}
+
 unsafe extern "C" fn record_callback(_: *mut i8, raw_data: *mut xrecord::XRecordInterceptData) {
     let data = &*raw_data;
 

skyhook/src/platforms/mod.rs

@@ -15,6 +15,10 @@ pub fn stop() -> Result<(), Error> {
     linux::stop()
 }
 
+pub fn is_running() -> bool {
+    linux::is_running()
+}
+
 // ------- WINDOWS -------
 
 #[cfg(target_os = "windows")]