<AWT Dev> [9] Review Request: 8166673 The new implementation of Robot.waitForIdle() may hang

Semyon Sadetsky semyon.sadetsky at oracle.com
Fri Oct 7 07:28:13 UTC 2016


Hi Sergey,

1525         queueEmpty = false;
1526         eventDispatched = false;
1527         synchronized(waitLock) {

Shouldn't lines 1525 & 1526 be moved inside the synchronized block?

--Semyon


On 9/26/2016 8:38 PM, Sergey Bylokhov wrote:
> Hello.
>
> Please review the fix for jdk9.
>
> The SunToolkit.waitForIdle() uses string literal for synchronization, 
> which means some code (intentionally or not) can hang Robot.waitForIdle.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8166673
> Webrev can be found at: 
> http://cr.openjdk.java.net/~serb/8166673/webrev.00
>



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