On Fri, 25 Nov 2022 18:54:28 GMT, Alan Bateman <al...@openjdk.org> wrote:
> Another small step in the multi-release/multi-year effort to remove cruft > from Thread/ThreadGroup. > > java.lang.ThreadGroup.allowThreadSuspension(boolean) dates from JDK 1.1 and > the Classic VM. The method controlled whether threads were suspended when the > GC failed. It appears to have interacted with a callback mechanism that could > potentially free memory, allowing the GC to retry. The method was never > specified . > > The method was deprecated and changed to do nothing in JDK 1.2. It was > deprecated for removal in Java 14. > > A corpus analysis of 30M classes in 130k artifacts found 0 usages of this > method. > > It is time to finally remove this method. The compatibility impact should be > negligible. Joe, Stuart and I discussed briefly and think early in JDK 21 is > a good time to do this. This pull request has now been integrated. Changeset: d35e8400 Author: Alan Bateman <al...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/d35e840024b80f9f686fb5522dc03b2c9233a6d3 Stats: 24 lines in 2 files changed: 0 ins; 24 del; 0 mod 8297295: Remove ThreadGroup.allowThreadSuspension Reviewed-by: jpai, smarks, chegar, darcy ------------- PR: https://git.openjdk.org/jdk/pull/11373
