emit ModulesInitializationFinalized signals

Author: Dr15Jones

FWCore/Framework/interface/Schedule.h

@@ -82,6 +82,7 @@
 #include "FWCore/Utilities/interface/get_underlying_safe.h"
 #include "FWCore/Utilities/interface/propagate_const.h"
 #include "FWCore/Utilities/interface/Transition.h"
+#include "FWCore/Utilities/interface/Signal.h"
 
 #include <array>
 #include <map>
@@ -323,6 +324,8 @@ namespace edm {
 
     std::vector<std::string> const* pathNames_;
     std::vector<std::string> const* endPathNames_;
+    edm::signalslot::Signal<void()> preModulesInitializationFinalizedSignal_;
+    edm::signalslot::Signal<void()> postModulesInitializationFinalizedSignal_;
     bool wantSummary_;
   };
 

FWCore/Framework/src/Schedule.cc

@@ -237,6 +237,8 @@ namespace edm {
         pathNames_(&tns.getTrigPaths()),
         endPathNames_(&tns.getEndPaths()),
         wantSummary_(tns.wantSummary()) {
+    preModulesInitializationFinalizedSignal_.connect(std::cref(areg->preModulesInitializationFinalizedSignal_));
+    postModulesInitializationFinalizedSignal_.connect(std::cref(areg->postModulesInitializationFinalizedSignal_));
     ScheduleBuilder builder(
         *moduleRegistry_, proc_pset, *pathNames_, *endPathNames_, prealloc, preg, *areg, processConfiguration);
     resultsInserter_ = std::move(builder.resultsInserter_);
@@ -900,6 +902,9 @@ namespace edm {
                           eventsetup::ESRecordsToProductResolverIndices const& iESIndices,
                           ProcessBlockHelperBase const& processBlockHelperBase,
                           std::string const& iProcessName) {
+    preModulesInitializationFinalizedSignal_();
+    auto post = [this](void*) { postModulesInitializationFinalizedSignal_(); };
+    std::unique_ptr<void, decltype(post)> const postGuard(this, post);
     finishModulesInitialization(*moduleRegistry_, iRegistry, iESIndices, processBlockHelperBase, iProcessName);
     globalSchedule_->beginJob(*moduleRegistry_);
   }