szaszm commented on a change in pull request #777:
URL: https://github.com/apache/nifi-minifi-cpp/pull/777#discussion_r422195976
##########
File path: libminifi/src/FlowController.cpp
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@@ -248,9 +248,9 @@ int16_t FlowController::stop(bool force, uint64_t
timeToWait) {
this->timer_scheduler_->stop();
this->event_scheduler_->stop();
this->cron_scheduler_->stop();
+ thread_pool_.shutdown();
Review comment:
Given the above discussion, the changes look reasonable to me. However,
the discussion revealed that this code has numerous hidden interconnections:
processors may run after initiating stop => both repositories and controller
services need to be stopped after the thread pool, controller services need to
be stopped because of db locking, affected C2 which I don't understand in
detail.
Could you add a code comment mentioning the existence of these to the future
reader/developer? While not all of it is strictly in the scope of this fix, I
think the value/effort ratio would be outstanding here, making it worth doing
IMO.
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