On Wed, 11 May 2022 16:38:54 GMT, Jorn Vernee <jver...@openjdk.org> wrote:
>> If you want to avoid processing asynchronous exceptions during this upcall >> you could block them (check NoAsyncExceptionDeliveryMark in >> JavaThread::exit()). Seems you could set the flag in >> ProgrammableUpcallhandler::on_entry() and unset it back on >> ProgrammableUpcallhandler::on_exit(). While that flag is set any >> asynchronous exception in the handshake queue of this thread will be skipped >> from processing. Maybe we should add a public method in the JavaThread >> class, block_async_exceptions()/unblock_async_exceptions() so we hide the >> handshake implementation. > > Oh nice! I was just thinking that the only possible way out of this conundrum > would be to somehow block the delivery of async exceptions (at least outside > of the user's exception handler). So, that seems to be exactly what we need :) I went ahead and implemented this suggestion. Now we block async exceptions in on_entry, and unblock in on_exit. ------------- PR: https://git.openjdk.java.net/jdk/pull/7959
