RFR 8191278: MappedByteBuffer bulk access memory failures are not handled gracefully

[Harold Seigel]

No performance tests were run but we will run some and get back to you.

Thanks, Harold

On 3/1/2019 4:07 AM, Andrew Haley wrote:
> On 2/28/19 8:22 PM, Harold Seigel wrote:
>> Please review this fix for JDK-8191278.  The fix uses the
>> GuardUnsafeAccess class in unsafe.cpp so that the signal handler will
>> know to convert SIGBUS signals to exceptions.
> Are there any performance implications to this? It looks to me like there
> won't be, but I wonder if tests were done to confirm this.
>