> The debug agent sets a breakpoint in Thread.resume() so it can prevent the > debugger from suspending threads while in the resume call: > > /* > * Track the resuming thread by marking it as being within > * a resume and by setting up for notification on > * a frame pop or exception. We won't allow the debugger > * to suspend threads while any thread is within a > * call to resume. This (along with the block below) > * ensures that when the debugger > * suspends a thread it will remain suspended. > */ > trackAppResume(resumer); > > Now that Thread.resume() is unsupported and just throws > UnsupportedOperationException, all debug agent code related to this support > can be removed. It's at least a couple of hundred lines of code, and with a > fair amount of confusing synchronization. It will be nice to see it go.
Chris Plummer has updated the pull request incrementally with one additional commit since the last revision: Cleanup some suspect suspendOnStart and toBeResumed checks. ------------- Changes: - all: https://git.openjdk.org/jdk/pull/10922/files - new: https://git.openjdk.org/jdk/pull/10922/files/27aefd27..04f7b567 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=10922&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10922&range=00-01 Stats: 18 lines in 1 file changed: 3 ins; 8 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/10922.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10922/head:pull/10922 PR: https://git.openjdk.org/jdk/pull/10922