Set process priority to high on windows

src/main.rs

@@ -19,7 +19,19 @@ struct Args {
     rom: Option<PathBuf>,
 }
 
+#[cfg(windows)]
+fn set_process_priority_to_high() -> Result<()> {
+    use windows::Win32::{Foundation, System::Threading};
+    let process = unsafe { Threading::GetCurrentProcess() };
+    unsafe { Threading::SetPriorityClass(process, Threading::HIGH_PRIORITY_CLASS)? };
+    unsafe { Foundation::CloseHandle(process)? };
+    Ok(())
+}
+
 fn main() -> Result<()> {
+    #[cfg(windows)]
+    set_process_priority_to_high()?;
+
     let args = Args::parse();
 
     let (mut builder, client) = EmulatorBuilder::new();