Merge "Make SharedPreferences check with higher precision" (9ca31879) · Commits · e / os / android_frameworks_base

core/java/android/app/SharedPreferencesImpl.java

+9 −8

Original line number	Diff line number	Diff line
		@@ -23,16 +23,19 @@ import android.os.Looper;
		import android.system.ErrnoException;
		import android.system.Os;
		import android.system.StructStat;
		import android.system.StructTimespec;
		import android.util.Log;

		import com.google.android.collect.Maps;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.ExponentiallyBucketedHistogram;
		import com.android.internal.util.XmlUtils;

		import dalvik.system.BlockGuard;

		import libcore.io.IoUtils;

		import com.google.android.collect.Maps;

		import org.xmlpull.v1.XmlPullParserException;

		import java.io.BufferedInputStream;
		@@ -50,8 +53,6 @@ import java.util.Set;
		import java.util.WeakHashMap;
		import java.util.concurrent.CountDownLatch;

		import libcore.io.IoUtils;

		final class SharedPreferencesImpl implements SharedPreferences {
		private static final String TAG = "SharedPreferencesImpl";
		private static final boolean DEBUG = false;
		@@ -80,7 +81,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
		private boolean mLoaded = false;

		@GuardedBy("mLock")
		private long mStatTimestamp;
		private StructTimespec mStatTimestamp;

		@GuardedBy("mLock")
		private long mStatSize;
		@@ -162,7 +163,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
		mLoaded = true;
		if (map != null) {
		mMap = map;
		mStatTimestamp = stat.st_mtime;
		mStatTimestamp = stat.st_mtim;
		mStatSize = stat.st_size;
		} else {
		mMap = new HashMap<>();
		@@ -209,7 +210,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
		}

		synchronized (mLock) {
		return mStatTimestamp != stat.st_mtime \|\| mStatSize != stat.st_size;
		return !stat.st_mtim.equals(mStatTimestamp) \|\| mStatSize != stat.st_size;
		}
		}

		@@ -744,7 +745,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
		try {
		final StructStat stat = Os.stat(mFile.getPath());
		synchronized (mLock) {
		mStatTimestamp = stat.st_mtime;
		mStatTimestamp = stat.st_mtim;
		mStatSize = stat.st_size;
		}
		} catch (ErrnoException e) {