use crate::sys::locks::Mutex; use crate::time::Duration; pub struct Condvar {} impl Condvar { #[inline] #[rustc_const_stable(feature = "const_locks", since = "1.63.0")] pub const fn new() -> Condvar { Condvar {} } #[inline] pub fn notify_one(&self) {} #[inline] pub fn notify_all(&self) {} pub unsafe fn wait(&self, _mutex: &Mutex) { panic!("condvar wait not supported") } pub unsafe fn wait_timeout(&self, _mutex: &Mutex, _dur: Duration) -> bool { panic!("condvar wait not supported"); } }