Fix the behaviour of the EpollPoller when shutdowns and interrupts interact

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@945899 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 6 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/epoll/EpollPoller.cpp b/cpp/src/qpid/sys/epoll/EpollPoller.cpp
index d7f64f3b4c..7b0d0aaa7f 100644
--- a/cpp/src/qpid/sys/epoll/EpollPoller.cpp
+++ b/cpp/src/qpid/sys/epoll/EpollPoller.cpp
@@ -536,6 +536,12 @@ Poller::Event Poller::wait(Duration timeout) {
             // Check if this is an interrupt
             PollerPrivate::InterruptHandle& interruptHandle = impl->interruptHandle;
             if (dataPtr == &interruptHandle) {
+                // If we are shutting down we need to rearm the shutdown interrupt to
+                // ensure everyone still sees it. It's okay that this might be overridden
+                // below as we will be back here if it is.
+                if (impl->isShutdown) {
+                    impl->interruptAll();
+                }
                 PollerHandle* wrappedHandle = 0;
                 {
                 ScopedLock<Mutex> l(interruptHandle.impl->lock);