(XS) RFR: 8146616: VM exit path throws fatal error: Thread holding lock at safepoint that vm can block on: BeforeExit_lock
David Holmes
david.holmes at oracle.com
Wed Feb 3 03:09:12 UTC 2016
Thanks Jerry.
David
On 3/02/2016 12:58 PM, Gerald Thornbrugh wrote:
> Hi David,
>
> Your change looks good to me.
>
> Jerry
>> bug: https://bugs.openjdk.java.net/browse/JDK-8146616
>>
>> webrev: http://cr.openjdk.java.net/~dholmes/8146616/webrev/
>>
>> We encountered a bug with the Solaris Studio 12u4 compiler that causes
>> a destructor not to be called when leaving a block, and so leaves a
>> system monitor locked. A workaround is to introduce an explicit local
>> scope:
>>
>> @@ -421,7 +421,10 @@
>> assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state");
>> return;
>> case BEFORE_EXIT_DONE:
>> - return;
>> + // need block to avoid SS compiler bug
>> + {
>> + return;
>> + }
>> }
>>
>> Thanks,
>> David
>
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