James Clampffer created HDFS-13745:
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Summary: libhdfs++: Fix race in FileSystem destructor
Key: HDFS-13745
URL: https://issues.apache.org/jira/browse/HDFS-13745
Project: Hadoop HDFS
Issue Type: Task
Components: native
Reporter: James Clampffer
Assignee: James Clampffer
Whatever happens to have the last shared_ptr to the IoService will run
~IoService when the shared_ptr goes out of scope. IoService's destructor is
responsible for joining all worker threads in the pool. Most callbacks now own
weak_ptr<IoService> that can be promoted to a shared_ptr in order to post new
async tasks. If a callback object is the last thing holding the IoService
shared_ptr it's going to try to join the thread pool inside of one of the
thread pool's threads.
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