[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 55b1068bc1aedff31bb5e11c07d0ec3c94db90ff
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Oct 19 10:26:11 2020 -0400

    server: use the event-loop to shutdown helper threads
    
    Replace the convoluted code using a pipe to synchronize the helper and
    main threads with (convoluted?) code synchronising using the
    event-loop.
    
    Because the shutdown code only regains control after all the helper
    thread events have been processed, helper thread leaks should all
    magically disappear.  Sure ...