Class CoroutineRuntimeStub

src/platforms/stub/coroutine_stub.h:122–134

//=============================================================================

class CoroutineRuntimeStub : public ICoroutineRuntime {
public:
    void pumpCoroutines(fl::u32 us) FL_NOEXCEPT override {
        fl::detail::CoroutineRunner::instance().run(us);
    }

    void suspendMainthread(fl::u32 us) FL_NOEXCEPT override {
        // Stub coroutines are std::threads — calling CoroutineRunner::run()
        // from a worker thread would deadlock on the two-phase semaphore handoff.
        // Instead, just sleep for the requested duration (safe from any thread).
        fl::this_thread::sleep_for(fl::chrono::microseconds(us));  // ok sleep for
    }
};

//=============================================================================
// Task Coroutine — std::thread-based