Home | History | Annotate | Download | only in dvr 
      1 #ifndef ANDROID_DVR_HARDWARE_COMPOSER_AIDL_ANDROID_DVR_PARCELABLE_UNIQUE_FD_H
      2 #define ANDROID_DVR_HARDWARE_COMPOSER_AIDL_ANDROID_DVR_PARCELABLE_UNIQUE_FD_H
      3 
      4 #include <android-base/unique_fd.h>
      5 #include <binder/Parcelable.h>
      6 
      7 namespace android {
      8 namespace dvr {
      9 
     10 // Provide a wrapper to serialized base::unique_fd. The wrapper also handles the
     11 // case where the FD is invalid (-1), unlike FileDescriptor which expects a
     12 // valid FD.
     13 class ParcelableUniqueFd : public Parcelable {
     14  public:
     15   ParcelableUniqueFd();
     16   ParcelableUniqueFd(const base::unique_fd& fence);
     17   ~ParcelableUniqueFd() override;
     18 
     19   void set_fence(const base::unique_fd& fence) {
     20     fence_.reset(dup(fence.get()));
     21   }
     22   base::unique_fd fence() const { return base::unique_fd(dup(fence_.get())); }
     23 
     24   status_t writeToParcel(Parcel* parcel) const override;
     25   status_t readFromParcel(const Parcel* parcel) override;
     26 
     27  private:
     28   base::unique_fd fence_;
     29 };
     30 
     31 }  // namespace dvr
     32 }  // namespace android
     33 
     34 #endif  // ANDROID_DVR_HARDWARE_COMPOSER_AIDL_ANDROID_DVR_PARCELABLE_UNIQUE_FD_H
     35