On Fri, 1 Dec 2023 11:14:04 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
>> test/lib/jdk/test/lib/process/OutputBuffer.java line 150:
>>
>>> 148: @Override
>>> 149: public int getExitValue() {
>>> 150: Integer exitCode = this.processExitCode;
>>
>> Do we really need the local `exitCode` variable? Even if another multiple
>> threads write to processExitCode, I expect them to all write a non-null
>> Integer.
>
> Hello Stefan, this is just for a tiny optimization to prevent multiple reads
> (in the same thread) on the `volatile` field `processExitCode` in this method.
I don't think such an optimization is needed here. This is not
performance-critical code.
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PR Review Comment: https://git.openjdk.org/jdk/pull/16919#discussion_r1412028528
