<AWT Dev>  Review Request for 8009911 : [macosx] SWT app freeze when going full screen using Java 7 on Mac
petr.pchelko at oracle.com
Tue May 21 11:07:47 UTC 2013
On May 21, 2013, at 10:57 AM, David Holmes wrote:
> Adding core-libs as this is actually a launcher change.
> On 21/05/2013 4:36 PM, Petr Pchelko wrote:
>> Hello, AWT Team.
>> Please review the fix for the issue:
>> The webrev is available at:
>> The problem:
>> When launching java with -XstatrOnFirstThread we were using dispatch_sync to start a Java main on the main thread. This blocked the main dispatch queue, so all the subsequent calls to GCD were never invoked. GCD is used a bit in our code, but it is used inside Cocoa, for example for fullscreen.
>> The solution:
>> We now launch Java main using a performSelectorOnMaintThread, so we do not block GCD.
>> 1. This also fixes the following SWT bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=388886
>> 2. Although I have added OBJC syntax into java_md_macosx.c file, I did not rename it to .m, because:
>> a. It is hard to update an old build system to compile with the new file name.
>> b. It is already compiled with -x objective-c, so I will compile
>> c. We would have lost all the hg history for this file.
>> With best regards. Petr.
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