aixan/lawnchair
1
0
Fork 0
mirror of https://github.com/LawnchairLauncher/lawnchair.git synced 2026-02-19 18:58:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

Reducing chances for the object with finalizer to be reffed by register

Browse Source 
As suggested in b/143155020#comment27

Bug: 143155020
Change-Id: I4ed87a003fcd7afde213014fc1ba8b004500e71a
This commit is contained in:
vadimt
2019-10-25 18:12:25 -07:00
parent 51a4c7bd41
commit 56b800bfea
1 changed files with 18 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/com/android/launcher3/testing/TestInformationHandler.java
View File

@@ -24,9 +24,10 @@ import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Debug;
import android.util.Log;
import android.view.View;
import androidx.annotation.Keep;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.InvariantDeviceProfile;
import com.android.launcher3.Launcher;
@@ -186,6 +187,22 @@ public class TestInformationHandler implements ResourceBasedOverride {
Runtime.getRuntime().runFinalization();
final CountDownLatch fence = new CountDownLatch(1);
createFinalizationObserver(fence);
try {
do {
Runtime.getRuntime().gc();
Runtime.getRuntime().runFinalization();
} while (!fence.await(100, TimeUnit.MILLISECONDS));
} catch (InterruptedException ex) {
throw new RuntimeException(ex);
}
}
// Create the observer in the scope of a method to minimize the chance that
// it remains live in a DEX/machine register at the point of the fence guard.
// This must be kept to avoid R8 inlining it.
@Keep
private static void createFinalizationObserver(CountDownLatch fence) {
new Object() {
@Override
protected void finalize() throws Throwable {
@@ -196,13 +213,5 @@ public class TestInformationHandler implements ResourceBasedOverride {
}
}
};
try {
do {
Runtime.getRuntime().gc();
Runtime.getRuntime().runFinalization();
} while (!fence.await(100, TimeUnit.MILLISECONDS));
} catch (InterruptedException ex) {
throw new RuntimeException(ex);
}
}
}