Function wrapPayloadAnchor

pj_runtime/src/DataSourceRuntimeHost.cpp:28–38

namespace detail {

sdk::BufferAnchor wrapPayloadAnchor(const PJ_payload_anchor_t& anchor, std::shared_ptr<void> library_keepalive) {
  if (anchor.release == nullptr) {
    return {};
  }
  // Host-side deleter (always mapped): calls the plugin's release while holding
  // `library_keepalive`, so the producing DSO stays mapped for the call and is
  // dlclosed only once every anchor copy is destroyed.
  auto release = anchor.release;
  return sdk::BufferAnchor{std::shared_ptr<void>(
      anchor.ctx, [release, keepalive = std::move(library_keepalive)](void* ctx) noexcept { release(ctx); })};
}

}  // namespace detail