On Tue, 29 Jun 2021 07:51:52 GMT, Leonid Mesnik <lmes...@openjdk.org> wrote:
>> src/hotspot/share/prims/jvmtiImpl.cpp line 968:
>>
>>> 966: for (QueueNode* node = _queue_head; node != NULL; node =
>>> node->next()) {
>>> 967: node->event().post_compiled_method_load_event(env);
>>> 968: }
>>
>> Can't you dequeue() immediately after calling
>> post_compiled_method_load_event()?
>
> Seems that dequeue in for-loop deletes the node which posted. It is possible
> to update the loop to have update dequeue in the same iteration however, I
> don't think it is a good idea to mix iterator/deletion in the same loop. What
> is the reason for this change?
Just to save iterating the queue twice. And that is what the original loop did
- you just have to switch the order of processing and deleting.
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PR: https://git.openjdk.java.net/jdk/pull/4602
