+ DEBUG_TRACE (DEBUG::SessionEvents, string_compose (
+ "%1 Deleting SessionEvent @ %2 ev thread pool = %3 ev pool = %4\n",
+ pthread_self(), ev, p->name(), ev->own_pool->name()
+ ));
+
+#ifndef NDEBUG
+ if (DEBUG::SessionEvents & PBD::debug_bits) {
+ stacktrace (cerr, 40);
+ }
+#endif
+