Benjamin Mahler created MESOS-8852:
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Summary: process::loop does not guarantee stack overflow
prevention.
Key: MESOS-8852
URL: https://issues.apache.org/jira/browse/MESOS-8852
Project: Mesos
Issue Type: Bug
Components: libprocess
Reporter: Benjamin Mahler
One of the goals of process::loop is to prevent stack overflows in the case
that the callbacks are completing synchronously. However, it's still possible
for process::loop to stack overflow if the body and iterate futures transition
between the checking of them being ready and the setting of the continuation
callbacks. If the futures continuously transition in these windows, the stack
will overflow.
One way to fix this would be to provide an atomic set-callbacks-if-pending
function on Future (e.g. {{bool setIfPending(...)}} that allows the caller to
avoid accidentally invoking callbacks synchronously when setting the callbacks.
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