RFR: 8306965: osThread allocation failures should not abort the VM

[David Holmes]

On Thu, 11 May 2023 00:45:29 GMT, Lois Foltan <lfoltan at openjdk.org> wrote:

>> Trivial fix ... Currently OSThread allocation will abort the VM if there is not enough memory. While the fact we are exhausting C-heap means we are likely to abort for one reason or another, it isn't the role of thread starting to act as that trigger. So `new OSThread()` becomes `new (std::nothrow) OSThread()` and the existing null checks actually serve a purpose.
>> 
>> Change was suggested by Kim Barrett - thanks.
>> 
>> Testing:
>>  - tiers 1-3 sanity
>>  - GHA sanity
>> 
>> Thanks
>
> Looks good and trivial.
> - Lois

Thanks @lfoltan !

-------------

PR Comment: https://git.openjdk.org/jdk/pull/13879#issuecomment-1542986791