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Merge "Proper duping / closing of FileDescriptors" into sc-dev

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This commit is contained in:
Ytai Ben-tsvi
2021-05-25 21:49:43 +00:00
committed by Android (Google) Code Review
parent 76660ef721 cad4e327bf
commit cd77682736
1 changed files with 8 additions and 6 deletions
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14
core/java/android/os/HidlMemoryUtil.java
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@@ -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);
return new HidlMemory("ashmem", size, handle);
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) {