SpinLockSynchronizedState.close now synchronized too

src/jvmMain/java/ru/landgrafhomyak/utility/closeable_state_1/SpinLockSynchronizedState.java

@@ -82,12 +82,16 @@ public /* open */ class SpinLockSynchronizedState
 	@ManualStateManipulation
 	@Override
 	public final void close() {
-		switch (this._currentState.compareAndExchange(State.OPEN, State.CLOSED)) {
+		while (true) {
-			case CLOSED:
+			switch (this._currentState.compareAndExchange(State.OPEN, State.CLOSED)) {
-				this.throwClosed();
+				case CLOSED:
-			case IN_USE:
+					this.throwClosed();
-				this.throwInUse();
+				case IN_USE:
-			case OPEN:
+					Thread.onSpinWait();
+					continue;
+				case OPEN:
+					return;
+			}
 		}
 	}
 

src/jvmMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/OwnedSpinLockSynchronizedState.kt

@@ -26,10 +26,6 @@ public class OwnedSpinLockSynchronizedState : SpinLockSynchronizedState {
 		throw IllegalStateException("Object is closed: ${this._owner}")
 	}
 
-	override fun throwInUse(): Nothing {
-		throw IllegalStateException("Failed close object because it is in use: ${this._owner}")
-	}
-
 	override fun toString(): String {
 		val base = super.toString()
 		return base.substring(0, base.length - 1) + " of ${this._owner}>"

src/jvmMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/SpinLockSynchronizedState$Errors.kt

@@ -4,8 +4,4 @@ internal abstract class `SpinLockSynchronizedState$Errors` : CloseableState.Exte
 	protected open fun throwClosed(): Nothing {
 		throw IllegalStateException("Object is closed")
 	}
-
-	protected open fun throwInUse(): Nothing {
-		throw IllegalStateException("Failed close object because it is in use")
-	}
 }