Method ReleaseToken

be/src/kudu/util/threadpool.cc:516–521

}

void ThreadPool::ReleaseToken(ThreadPoolToken* t) {
  MutexLock guard(lock_);
  CHECK(!t->IsActive()) << Substitute("Token with state $0 may not be released",
                                      ThreadPoolToken::StateToString(t->state()));
  CHECK_EQ(1, tokens_.erase(t));
}

Status ThreadPool::Submit(std::function<void()> f) {
  return DoSubmit(std::move(f), tokenless_.get());