Follow up to r1884109: Fix synchronization in thread_pool_cleanup().

Ask each thread to signal its task completion individually when being waited in
wait_on_busy_threads(), and ignore threads that have already finished their
task (elt->current_owner == NULL).


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1889217 13f79535-47bb-0310-9956-ffa450edef68
1 file changed