Update signal.rs
Allow `poll_wait` to be public so higher-order futures around Signal can be built.
@@ -69,7 +69,7 @@ impl<T: Send> Signal<T> {
})
}
- fn poll_wait(&self, cx: &mut Context<'_>) -> Poll<T> {
+ pub fn poll_wait(&self, cx: &mut Context<'_>) -> Poll<T> {
critical_section::with(|_| unsafe {
let state = &mut *self.state.get();
match state {
