Function grpcio_sys::grpc_completion_queue_thread_local_cache_flush

pub unsafe extern "C" fn grpc_completion_queue_thread_local_cache_flush(
    cq: *mut grpc_completion_queue, 
    tag: *mut *mut c_void, 
    ok: *mut c_int
) -> c_int

EXPERIMENTAL API ************/ Returns 1 if there was contents in the cache. If there was an event in \a cq tls cache, its tag is placed in tag, and ok is set to the event success.