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log GameLock failure only when it's a result

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This commit is contained in:
Eric House 2019-01-16 13:24:46 -08:00
parent 4c9ded77bf
commit 20359e50da
1 changed files with 20 additions and 9 deletions
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29
xwords4/android/app/src/main/java/org/eehouse/android/xw4/GameLock.java
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@ -22,6 +22,7 @@ package org.eehouse.android.xw4;
import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
@ -114,13 +115,6 @@ public class GameLock implements AutoCloseable {
mReadOnly = readOnly;
result = this;
}
if ( DEBUG_LOCKS ) {
Log.d( TAG, "%s.tryLockImpl(ro=%b) => %s", this, readOnly, result );
if ( null == result ) {
Log.d( TAG, "Unable to lock; cur owner: %s; would-be owner: %s",
mOwners.peek(), new Owner() );
}
}
}
return result;
}
@ -129,12 +123,16 @@ public class GameLock implements AutoCloseable {
// // see if not doing that causes problems.
public GameLock tryLock()
{
return tryLockImpl( false );
GameLock result = tryLockImpl( false );
logIfNull( result, "tryLock()" );
return result;
}
public GameLock tryLockRO()
{
return tryLockImpl( true );
GameLock result = tryLockImpl( true );
logIfNull( result, "tryLockRO()" );
return result;
}
private GameLock lockImpl( long timeoutMS, boolean readOnly ) throws InterruptedException
@ -182,6 +180,7 @@ public class GameLock implements AutoCloseable {
if ( DEBUG_LOCKS ) {
Log.d( TAG, "%s.lock(%d) => %s", this, maxMillis, result );
}
logIfNull( result, "lock(maxMillis=%d)", maxMillis );
return result;
}
@ -193,6 +192,8 @@ public class GameLock implements AutoCloseable {
lock = lockImpl( maxMillis, true );
} catch ( InterruptedException ex ) {
}
logIfNull( lock, "lockRO(maxMillis=%d)", maxMillis );
return lock;
}
@ -240,4 +241,14 @@ public class GameLock implements AutoCloseable {
}
return result;
}
private void logIfNull( GameLock result, String fmt, Object... args )
{
if ( DEBUG_LOCKS && null == result ) {
String func = new Formatter().format( fmt, args ).toString();
Log.d( TAG, "%s.%s => null", this, func );
Log.d( TAG, "Unable to lock; cur owner: %s; would-be owner: %s",
mOwners.peek(), new Owner() );
}
}
}