<AWT Dev> [9] Review request for 8031471: Test closed/java/awt/dnd/FileDialogDropTargetTest/FileDialogDropTargetTest.java fails on Solaris zones virtual hosts

[Alexander Zvegintsev]

Hello,

please review the fix:
http://cr.openjdk.java.net/~azvegint/jdk/9/8031471/00/
for
https://bugs.openjdk.java.net/browse/JDK-8031471

This fix also fixes 7100524 [1] and 7054476 [2] as well.

This issue is related to the X error handling code: when we setting a 
synthetic error handler with WITH_XERROR_HANDLER()
we do not wait for processing XErrorEvents for previous xlib calls which 
wasn't dispatched yet, so we can catch a wrong one.
This fix adds a XSync() call. (like we do in the native 
WITH_XERROR_HANDLER macro in awt_util.h).

RESTORE_XERROR_HANDLER(boolean doXSync) was called from native 
previously, but it was reverted back to use native xerror
handler in 8025775 [3] and is no longer needed.


[1] https://bugs.openjdk.java.net/browse/JDK-7100524
[2] https://bugs.openjdk.java.net/browse/JDK-7054476
[3] https://bugs.openjdk.java.net/browse/JDK-8025775

-- 
Thanks,

Alexander.