Yan Xu created MESOS-7641:
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Summary: process::delay'd method may not be canceled by canceling
the returned timer
Key: MESOS-7641
URL: https://issues.apache.org/jira/browse/MESOS-7641
Project: Mesos
Issue Type: Bug
Reporter: Yan Xu
It's a common pattern to use {{delay}} to dispatch work into a process at a
later time: e.g.,
[Slave::doReliableRegistration|https://github.com/apache/mesos/blob/b882f66394be1047d6f8ed3136a05eb5fe1e3e8e/src/slave/slave.cpp#L972].
{{delay}} returns a {{Timer}} and a {{Timer}} can be cancelled so its {{thunk}}
won't be executed if it's still pending. However in the case of {{delay}}, the
{{thunk}} is a
[dispatch|https://github.com/apache/mesos/blob/b882f66394be1047d6f8ed3136a05eb5fe1e3e8e/3rdparty/libprocess/include/process/delay.hpp#L69]
that could be already dispatched into the process {{pid}} and cancelling the
timer wouldn't prevent this event from being executed.
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