On Fri, 23 Sep 2022 06:17:34 GMT, David Holmes <dhol...@openjdk.org> wrote:
> Now that Thread.stop has been degraded to throw > `UnsupportedOperationException` (JDK-8299610) the only direct source of async > exceptions is from JVMTI `StopThread`. We can remove the `JVM_StopThread` > code, remove the `stillborn` field from `java.lang.Thread` and its associated > accesses from the VM, and we can stop special-casing `ThreadDeath` handling > (as was done for the JDK code as part of JDK-8299610). > > Note that JVMTI `StopThread` can only act on a thread that is alive, so it is > no longer possible to stop a thread before it has been started. > > Also note that there is a change in behaviour for JNI `ExceptionDescribe` as > it no longer ignores `ThreadDeath` exceptions (not that it was ever specified > to ignore them, it simply mirrored the behaviour of the default > `UncaughtExceptionHandler` in `java.lang.ThreadGroup` - which also no longer > ignores them so the mirroring behaviour remains the same). > > Testing: tiers 1-3 This pull request has now been integrated. Changeset: 763d4bf0 Author: David Holmes <dhol...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/763d4bf0749e54f74821e5155f672ed24d6f2fcd Stats: 208 lines in 18 files changed: 19 ins; 146 del; 43 mod 8293592: Remove JVM_StopThread, stillborn, and related cleanup Reviewed-by: alanb, sspitsyn, rehn, coleenp ------------- PR: https://git.openjdk.org/jdk/pull/10400
