Windows / PageStore storage: the cooperative file locking mechanism did not always work

h2/src/docsrc/html/changelog.html

@@ -21,6 +21,8 @@ Change Log
 
 <h2>Next Version (unreleased)</h2>
 <ul>
+<li>Windows / PageStore storage: the cooperative file locking mechanism
+    did not always work as expected.
 <li>Temporary CLOB and BLOB objects are now removed while the database is open
     (and not just when closing the database).
 </li>

h2/src/main/org/h2/store/FileLock.java

@@ -365,6 +365,7 @@ public class FileLock implements Runnable {
             fileName = null;
             throw getExceptionFatal("Concurrent update", null);
         }
+        locked = true;
         watchdog = new Thread(this, "H2 File Lock Watchdog " + fileName);
         Driver.setThreadContextClassLoader(watchdog);
         watchdog.setDaemon(true);