Android/frameworks_base
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Merge "SharedMemory: break Cleaner reference cycle."

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Treehugger Robot
2019-07-25 04:40:22 +00:00
committed by Gerrit Code Review
parent ff17b0826b 6ca916a657
commit 5783a79cfc
1 changed files with 6 additions and 4 deletions
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10
core/java/android/os/SharedMemory.java
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@@ -62,7 +62,7 @@ public final class SharedMemory implements Parcelable, Closeable {
mMemoryRegistration = new MemoryRegistration(mSize); mMemoryRegistration = new MemoryRegistration(mSize);
mCleaner = Cleaner.create(mFileDescriptor, mCleaner = Cleaner.create(mFileDescriptor,
new Closer(mFileDescriptor, mMemoryRegistration)); new Closer(mFileDescriptor.getInt$(), mMemoryRegistration));
} }
/** /**
@@ -290,10 +290,10 @@ public final class SharedMemory implements Parcelable, Closeable {
* Cleaner that closes the FD * Cleaner that closes the FD
*/ */
private static final class Closer implements Runnable { private static final class Closer implements Runnable {
private FileDescriptor mFd; private int mFd;
private MemoryRegistration mMemoryReference; private MemoryRegistration mMemoryReference;
private Closer(FileDescriptor fd, MemoryRegistration memoryReference) { private Closer(int fd, MemoryRegistration memoryReference) {
mFd = fd; mFd = fd;
mMemoryReference = memoryReference; mMemoryReference = memoryReference;
} }
@@ -301,7 +301,9 @@ public final class SharedMemory implements Parcelable, Closeable {
@Override @Override
public void run() { public void run() {
try { try {
Os.close(mFd); FileDescriptor fd = new FileDescriptor();
fd.setInt$(mFd);
Os.close(fd);
} catch (ErrnoException e) { /* swallow error */ } } catch (ErrnoException e) { /* swallow error */ }
mMemoryReference.release(); mMemoryReference.release();
mMemoryReference = null; mMemoryReference = null;