On Wed, 7 Apr 2021 07:23:26 GMT, Robbin Ehn <r...@openjdk.org> wrote:
>> src/hotspot/share/runtime/handshake.cpp line 415: >> >>> 413: // Adds are done lock free and so is arming. >>> 414: // Calling this method with lock held is considered an error. >>> 415: assert(!_lock.owned_by_self(), "Lock should not be held"); >> >> If adds are still lock-free then why was this assertion removed? > > Because we add the async handshake inside the sync handshake and thus we > already hold the _lock. Doesn't that mean the comment on L415 needs updating? Should it be something like: // Synchronous adds are done lock free and so is arming, but some // asynchronous adds are done when we already hold the lock. I'm not sure about the "some asynchronous adds" part... ------------- PR: https://git.openjdk.java.net/jdk/pull/3191