libbinder_ndk: read/write ParcelFileDescriptor
Bug: 115607973
Test: atest android.binder.cts
Change-Id: Ic9ef70cba95a12f3765573d24d87fd15021ab7a9
diff --git a/libs/binder/ndk/parcel.cpp b/libs/binder/ndk/parcel.cpp
index 29094db..ffa5cae 100644
--- a/libs/binder/ndk/parcel.cpp
+++ b/libs/binder/ndk/parcel.cpp
@@ -23,13 +23,17 @@
#include <limits>
#include <android-base/logging.h>
+#include <android-base/unique_fd.h>
#include <binder/Parcel.h>
+#include <binder/ParcelFileDescriptor.h>
#include <utils/Unicode.h>
using ::android::IBinder;
using ::android::Parcel;
using ::android::sp;
using ::android::status_t;
+using ::android::base::unique_fd;
+using ::android::os::ParcelFileDescriptor;
template <typename T>
using ContiguousArrayGetter = T* (*)(void* arrayData);
@@ -218,6 +222,28 @@
*binder = ret.get();
return PruneStatusT(status);
}
+
+binder_status_t AParcel_writeParcelFileDescriptor(AParcel* parcel, int fd) {
+ ParcelFileDescriptor parcelFd((unique_fd(fd)));
+
+ status_t status = parcel->get()->writeParcelable(parcelFd);
+
+ // ownership is retained by caller
+ (void)parcelFd.release().release();
+
+ return PruneStatusT(status);
+}
+
+binder_status_t AParcel_readParcelFileDescriptor(const AParcel* parcel, int* fd) {
+ ParcelFileDescriptor parcelFd;
+ // status_t status = parcelFd.readFromParcel(parcel->get());
+ status_t status = parcel->get()->readParcelable(&parcelFd);
+ if (status != STATUS_OK) return PruneStatusT(status);
+
+ *fd = parcelFd.release().release();
+ return STATUS_OK;
+}
+
binder_status_t AParcel_writeStatusHeader(AParcel* parcel, const AStatus* status) {
return PruneStatusT(status->get()->writeToParcel(parcel->get()));
}