Method requestShutdown

src/platforms/coroutine_runtime.h:76–76

Request shutdown — background threads will see this via isShutdownRequested()

    /// Request shutdown — background threads will see this via isShutdownRequested()
    void requestShutdown() FL_NOEXCEPT { mShutdownRequested.store(true); }

    /// Reset shutdown flag — call after cleanup to allow new threads
    void resetShutdown() FL_NOEXCEPT { mShutdownRequested.store(false); }