#include <InitRootHandlers.h>

Inheritance diagram for edm::service::InitRootHandlers:

Public Member Functions
	InitRootHandlers (ParameterSet const &pset)

virtual	~InitRootHandlers ()

Public Member Functions inherited from edm::RootHandlers
void	disableErrorHandler ()

void	enableErrorHandler ()

void	enableErrorHandlerWithoutWarnings ()

	RootHandlers ()

virtual	~RootHandlers ()

Static Public Member Functions
static void	fillDescriptions (ConfigurationDescriptions &descriptions)

Private Member Functions
virtual void	disableErrorHandler_ ()

virtual void	enableErrorHandler_ ()

virtual void	enableErrorHandlerWithoutWarnings_ ()

Private Attributes
bool	autoLibraryLoader_

bool	resetErrHandler_

bool	unloadSigHandler_

Detailed Description

Definition at line 11 of file InitRootHandlers.h.

Constructor & Destructor Documentation

edm::service::InitRootHandlers::InitRootHandlers ( ParameterSet const & pset )

explicit

Definition at line 187 of file InitRootHandlers.cc.

References autoLibraryLoader_, edm::RootAutoLibraryLoader::enable(), edmplugin::PluginCapabilities::get(), edm::ParameterSet::getUntrackedParameter(), edm::installCustomHandler(), edmplugin::PluginCapabilities::load(), resetErrHandler_, edm::setRefCoreStreamer(), edm::setStreamedProductStreamer(), and unloadSigHandler_.

       : RootHandlers(),
         unloadSigHandler_(pset.getUntrackedParameter<bool> ("UnloadRootSigHandler")),
         resetErrHandler_(pset.getUntrackedParameter<bool> ("ResetRootErrHandler")),
         autoLibraryLoader_(pset.getUntrackedParameter<bool> ("AutoLibraryLoader")) {
 
       if(unloadSigHandler_) {
       // Deactivate all the Root signal handlers and restore the system defaults
         gSystem->ResetSignal(kSigChild);
         gSystem->ResetSignal(kSigBus);
         gSystem->ResetSignal(kSigSegmentationViolation);
         gSystem->ResetSignal(kSigIllegalInstruction);
         gSystem->ResetSignal(kSigSystem);
         gSystem->ResetSignal(kSigPipe);
         gSystem->ResetSignal(kSigAlarm);
         gSystem->ResetSignal(kSigUrgent);
         gSystem->ResetSignal(kSigFloatingException);
         gSystem->ResetSignal(kSigWindowChanged);
       } else if(pset.getUntrackedParameter<bool>("AbortOnSignal")){
         //NOTE: ROOT can also be told to abort on these kinds of problems BUT
         // it requires an TApplication to be instantiated which causes problems
         gSystem->ResetSignal(kSigBus);
         gSystem->ResetSignal(kSigSegmentationViolation);
         gSystem->ResetSignal(kSigIllegalInstruction);
         installCustomHandler(SIGBUS,sig_dostack_then_abort);
         installCustomHandler(SIGSEGV,sig_dostack_then_abort);
         installCustomHandler(SIGILL,sig_dostack_then_abort);
       }
 
       if(resetErrHandler_) {
 
       // Replace the Root error handler with one that uses the MessageLogger
         SetErrorHandler(RootErrorHandler);
       }
 
       // Enable automatic Root library loading.
       if(autoLibraryLoader_) {
         RootAutoLibraryLoader::enable();
       }
 
       // Enable Cintex.
       ROOT::Cintex::Cintex::Enable();
 
       // Set ROOT parameters.
       TTree::SetMaxTreeSize(kMaxLong64);
       TH1::AddDirectory(kFALSE);
       G__SetCatchException(0);
 
       // Set custom streamers
       setRefCoreStreamer();
       setStreamedProductStreamer();
 
       // Load the library containing dictionaries for std:: classes (e.g. std::vector<int>)
       if (ROOT::Reflex::Type()== Reflex::Type::ByName("std::vector<std::vector<unsigned int> >")) {
          edmplugin::PluginCapabilities::get()->load("LCGReflex/std::vector<std::vector<unsigned int> >");
       }
     }

edm::service::InitRootHandlers::~InitRootHandlers ( )

virtual

Definition at line 245 of file InitRootHandlers.cc.

References f.

                                          {
       // close all open ROOT files
       // We get a new iterator each time,
       // because closing a file can invalidate the iterator
       while(gROOT->GetListOfFiles()->GetSize()) {
         TIter iter(gROOT->GetListOfFiles());
         TFile* f = dynamic_cast<TFile*>(iter.Next());
         if(f) f->Close();
       }
     }

Member Function Documentation

void edm::service::InitRootHandlers::disableErrorHandler_ ( )

privatevirtual

Implements edm::RootHandlers.

Definition at line 271 of file InitRootHandlers.cc.

                                            {
         SetErrorHandler(DefaultErrorHandler);
     }

void edm::service::InitRootHandlers::enableErrorHandler_ ( )

privatevirtual

Implements edm::RootHandlers.

Definition at line 276 of file InitRootHandlers.cc.

                                           {
         SetErrorHandler(RootErrorHandler);
     }

void edm::service::InitRootHandlers::enableErrorHandlerWithoutWarnings_ ( )

privatevirtual

Implements edm::RootHandlers.

Definition at line 281 of file InitRootHandlers.cc.

                                                          {
         SetErrorHandler(RootErrorHandlerWithoutWarnings);
     }

void edm::service::InitRootHandlers::fillDescriptions ( ConfigurationDescriptions & descriptions )

static

Definition at line 256 of file InitRootHandlers.cc.

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::addUntracked(), and edm::ParameterSetDescription::setComment().

                                                                                    {
       ParameterSetDescription desc;
       desc.setComment("Centralized interface to ROOT.");
       desc.addUntracked<bool>("UnloadRootSigHandler", false)
           ->setComment("If True, signals are handled by this service, rather than by ROOT.");
       desc.addUntracked<bool>("ResetRootErrHandler", true)
           ->setComment("If True, ROOT messages (e.g. errors, warnings) are handled by this service, rather than by ROOT.");
       desc.addUntracked<bool>("AutoLibraryLoader", true)
           ->setComment("If True, enables automatic loading of data dictionaries.");
       desc.addUntracked<bool>("AbortOnSignal",true)
       ->setComment("If True, do an abort when a signal occurs that causes a crash. If False, ROOT will do an exit which attempts to do a clean shutdown.");
       descriptions.add("InitRootHandlers", desc);
     }