Method notify_all

tensorflow/core/platform/default/mutex.cc:98–100

void condition_variable::notify_one() { nsync::nsync_cv_signal(cv_cast(&cv_)); }

void condition_variable::notify_all() {
  nsync::nsync_cv_broadcast(cv_cast(&cv_));
}

namespace internal {
std::cv_status wait_until_system_clock(