Function wait

src/libgpu/src/gpu_ringbuffer.cpp:42–53

}

bool
wait()
{
   std::unique_lock<std::mutex> lock { sMutex };
   if (mWriteVector.empty() && !sPendingWake) {
      sConditionVariable.wait(lock);
   }

   sPendingWake = false;

   return !mWriteVector.empty();
}

void
wake()