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Commit e014f133 authored by Ytai Ben-tsvi's avatar Ytai Ben-tsvi Committed by Automerger Merge Worker
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Merge "Proper duping / closing of FileDescriptors" into sc-dev am: cd776827 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14686828

Change-Id: I9633dda4a42a394051497050c09cfe8193df9574
parents 20a30b38 cd776827

core/java/android/os/HidlMemoryUtil.java

+8 −6
Original line number Diff line number Diff line
@@ -76,8 +76,7 @@ public final class HidlMemoryUtil { 
            return new HidlMemory("ashmem", 0, null);

        }



        try {

            SharedMemory shmem = SharedMemory.create(name != null ? name : "", input.length);

        try (SharedMemory shmem = SharedMemory.create(name != null ? name : "", input.length)) {

            ByteBuffer buffer = shmem.mapReadWrite();

            buffer.put(input);

            shmem.unmap(buffer);
@@ -119,8 +118,7 @@ public final class HidlMemoryUtil { 
            return new HidlMemory("ashmem", 0, null);

        }



        try {

            SharedMemory shmem = SharedMemory.create(name != null ? name : "", input.size());

        try (SharedMemory shmem = SharedMemory.create(name != null ? name : "", input.size())) {

            ByteBuffer buffer = shmem.mapReadWrite();

            for (Byte b : input) {

                buffer.put(b);
@@ -214,8 +212,12 @@ public final class HidlMemoryUtil { 
        if (fd == null) {

            return new HidlMemory("ashmem", 0, null);

        }

        NativeHandle handle = new NativeHandle(fd, true);

        try {

            NativeHandle handle = new NativeHandle(Os.dup(fd), true);

            return new HidlMemory("ashmem", size, handle);

        } catch (ErrnoException e) {

            throw new RuntimeException(e);

        }

    }



    private static ByteBuffer getBuffer(@NonNull HidlMemory mem) {