Integrated: 8263903: Use Cleaner instead of finalize to auto stop Timer thread

[Kim Barrett]

On Sun, 21 Mar 2021 03:53:24 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> Please review this change to java.util.Timer, replacing the use of deprecated finalization-based cleanup with use of java.lang.ref.Cleaner.
> 
> In addition, Timer.cancel now cancels any later execution of the the no longer relevant cleanup.
> 
> Testing:
> mach5 tier1
> New AutoStop test verifies the specified cleanup behavior.
> (There are existing tests involving Timer.cancel.)

This pull request has now been integrated.

Changeset: 2425462a
Author:    Kim Barrett <kbarrett at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/2425462a
Stats:     111 lines in 2 files changed: 97 ins; 3 del; 11 mod

8263903: Use Cleaner instead of finalize to auto stop Timer thread

Reviewed-by: dholmes, alanb, bchristi, rriggs, mchung

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PR: https://git.openjdk.java.net/jdk/pull/3106