synchronize on logs

bindings/java/src/net/hyperic/sigar/win32/EventLogThread.java

@@ -27,20 +27,24 @@ public class EventLogThread implements Runnable {
     private String logName = "Application";
     private long interval  = 10 * 1000; // Default to 10 seconds
 
-    public static synchronized EventLogThread getInstance(String name) {
-        EventLogThread instance =
-            (EventLogThread)logs.get(name);
+    public static EventLogThread getInstance(String name) {
+        EventLogThread instance;
+
+        synchronized (logs) {
+            instance = (EventLogThread)logs.get(name);
 
             if (instance == null) {
                 instance = new EventLogThread();
                 instance.setLogName(name);
                 logs.put(name, instance);
             }
+        }
 
         return instance;
     }
 
-    public static synchronized void closeInstances() {
+    public static void closeInstances() {
+        synchronized (logs) {
             for (Iterator it = logs.values().iterator();
                  it.hasNext();)
             {
@@ -50,6 +54,7 @@ public class EventLogThread implements Runnable {
             }
             logs.clear();
         }
+    }
 
     public void setInterval(long interval) {
         this.interval = interval;