pub fn pi_park_current_once(token: &PiWaitToken) -> Result<(), TaskError>Expand description
Performs one scheduler park attempt for a PI waiter.
The caller must recheck ownership, interruption, and timeout after this
function returns. This mirrors Linux rt_mutex_schedule(): an unrelated
wake returns control to the rtmutex state loop instead of being consumed by
an inner uninterruptible wait.