On Mon, 4 Jul 2022 12:19:27 GMT, David Holmes <dhol...@openjdk.org> wrote:
>> Ryan Ernst has updated the pull request incrementally with one additional >> commit since the last revision: >> >> better clarify multiple threads behavior > >> Let's say we've run shutdown so run all the hooks but not halted. Then >> someone calls exit(0). That seems to suggest the call will block >> indefinitely, which is neither desirable nor what was actually implemented. > > If the hook threads do not halt then the exiting thread (which holds the > lock) blocks forever in the join(). Any other call to exit blocks trying to > acquire the lock. That has always been the way this works - if hook threads > don't terminate then the VM doesn't (unless someone calls halt() directly). > That is one of the things the window you suggested be closed, allowed - a > call to exit(non-zero) could force a call to halt(). @dholmes-ora @AlanBateman @kimbarrett The following [CSR](https://bugs.openjdk.org/browse/JDK-8289824) has been filed to cover the specification related changes in this PR - please review as appropriate. ------------- PR: https://git.openjdk.org/jdk/pull/9351
