src/rrdd.c: Add a debug message for disconnecting sockets.

diff --git a/src/rrdd.c b/src/rrdd.c
index 94ddf40..4ae3daa 100644 (file)
--- a/src/rrdd.c
+++ b/src/rrdd.c
@@ -406,13 +406,16 @@ static void *connection_thread_main (void *args) /* {{{ */
 
     if ((pollfd.revents & POLLHUP) != 0) /* normal shutdown */
     {
+      RRDD_LOG (LOG_DEBUG, "connection_thread_main: "
+          "poll(2) returned POLLHUP.");
       close (fd);
       break;
     }
     else if ((pollfd.revents & (POLLIN | POLLPRI)) == 0)
     {
-      RRDD_LOG (LOG_WARNING, "connection_thread_main: poll(2) returned "
-          "something unexpected.");
+      RRDD_LOG (LOG_WARNING, "connection_thread_main: "
+          "poll(2) returned something unexpected: %#04hx",
+          pollfd.revents);
       close (fd);
       break;
     }