> This change terminally deprecates the following methods defined by > java.lang.ThreadGroup > > - stop > - destroy > - isDestroyed > - setDaemon > - isDaemon > > The stop method has been deprecated since=1.2 because it is inherently > unsafe. It is time to terminally deprecate this method so it can be removed > in a future release. Thread.stop will be examined in a separate issue. > > The destroy, isDestroyed, setDaemon, isDaemon methods support the mechanism > to explicitly or automatically destroy a thread group. As detailed in > JDK-8252885, the mechanism to destroy thread groups is flawed and racy. > Furthermore, this mechanism inhibits efforts to drop the reference from a > thread group to its threads (so that thread creation, starting and > termination do not need to coordinate with their thread group). These methods > should be terminally deprecated so they can be degraded in a future release > and eventually removed. > > CSR with more information: https://bugs.openjdk.java.net/browse/JDK-8256644
Alan Bateman has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision: - Fixed typo in @deprecated text - Merge - Update jshell class - 8256643: Terminally deprecate ThreadGroup stop, destroy, isDestroyed, setDaemon and isDaemon ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/1318/files - new: https://git.openjdk.java.net/jdk/pull/1318/files/c661861a..ca656ba1 Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1318&range=01 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1318&range=00-01 Stats: 99634 lines in 382 files changed: 45266 ins; 43186 del; 11182 mod Patch: https://git.openjdk.java.net/jdk/pull/1318.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/1318/head:pull/1318 PR: https://git.openjdk.java.net/jdk/pull/1318
