Add a fast-exit path for SchedulerImpl.runRepeatingTasks()
Resolves issue 4627
Patch by: andrew.teirney
Review by: bobv
git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7730 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/core/client/impl/SchedulerImpl.java b/user/src/com/google/gwt/core/client/impl/SchedulerImpl.java
index ea8b598..5454bb5 100644
--- a/user/src/com/google/gwt/core/client/impl/SchedulerImpl.java
+++ b/user/src/com/google/gwt/core/client/impl/SchedulerImpl.java
@@ -159,8 +159,12 @@
private static JsArray<Task> runRepeatingTasks(JsArray<Task> tasks) {
assert tasks != null : "tasks";
- boolean canceledSomeTasks = false;
int length = tasks.length();
+ if (length == 0) {
+ return null;
+ }
+
+ boolean canceledSomeTasks = false;
double start = Duration.currentTimeMillis();
while (Duration.currentTimeMillis() - start < TIME_SLICE) {
