avoid NPE for synchronization issues on board list

facchinm · facchinm · commit 2cd64e55adff · 2016-04-01T10:34:08.000+02:00
diff --git a/arduino-core/src/cc/arduino/packages/discoverers/serial/SerialBoardsLister.java b/arduino-core/src/cc/arduino/packages/discoverers/serial/SerialBoardsLister.java
@@ -54,7 +54,7 @@ public void start(Timer timer) {
     timer.schedule(this, 0, 1000);
   }
 
-  public void retriggerDiscovery() {
+  public synchronized void retriggerDiscovery() {
     while (BaseNoGui.packages == null) {
       try {
         Thread.sleep(1000);

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ public void start(Timer timer) {`
`54`	`54`	`timer.schedule(this, 0, 1000);`
`55`	`55`	`}`
`56`	`56`
`57`		`- public void retriggerDiscovery() {`
	`57`	`+ public synchronized void retriggerDiscovery() {`
`58`	`58`	`while (BaseNoGui.packages == null) {`
`59`	`59`	`try {`
`60`	`60`	`Thread.sleep(1000);`