aaudio: fix ownership problems with file descriptors
Use unique_fd to track file descriptors.
Fix extra close of file descriptor in SharedMemoryParcelable.cpp.
This bug was causing unrelated file descriptors to be closed!
Bug: 64311216
Test: write_sine.cpp, FD should survive aaudio close
Change-Id: I4f38c83510a49ea22b79b96d970ee48153417249
Merged-In: I4f38c83510a49ea22b79b96d970ee48153417249
diff --git a/media/libaaudio/src/binding/AudioEndpointParcelable.cpp b/media/libaaudio/src/binding/AudioEndpointParcelable.cpp
index d05abb0..1a97555 100644
--- a/media/libaaudio/src/binding/AudioEndpointParcelable.cpp
+++ b/media/libaaudio/src/binding/AudioEndpointParcelable.cpp
@@ -28,6 +28,7 @@
#include "binding/RingBufferParcelable.h"
#include "binding/AudioEndpointParcelable.h"
+using android::base::unique_fd;
using android::NO_ERROR;
using android::status_t;
using android::Parcel;
@@ -49,7 +50,8 @@
* Add the file descriptor to the table.
* @return index in table or negative error
*/
-int32_t AudioEndpointParcelable::addFileDescriptor(int fd, int32_t sizeInBytes) {
+int32_t AudioEndpointParcelable::addFileDescriptor(const unique_fd& fd,
+ int32_t sizeInBytes) {
if (mNumSharedMemories >= MAX_SHARED_MEMORIES) {
return AAUDIO_ERROR_OUT_OF_RANGE;
}