PPI: made EventDescriptor::enabled() const

[senf.git] / senf / PPI / EventManager.cc

diff --git a/senf/PPI/EventManager.cc b/senf/PPI/EventManager.cc
index c07f368..59cf31f 100644 (file)
--- a/senf/PPI/EventManager.cc
+++ b/senf/PPI/EventManager.cc
@@ -57,7 +57,9 @@ prefix_ void senf::ppi::EventManager::destroyEvent(EventDescriptor & event)
         std::find_if(registrations_.begin(), registrations_.end(),
                      l::bind(&detail::EventBindingBase::descriptor_,_1) == &event)
         == registrations_.end(),
-        "Internal failure: registrations still active while destroying event ??");
+        "Internal failure: registrations still active while destroying event."
+        "Maybe you've put the SENF_PPI_MODULE macro in a superclass instead of"
+        "in the subclass?");
 }
 
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