ThreadInitTask Class Reference

Special TBB task used by ThreadPoolSvc to wrap execution of IThreadInitTools. More...

#include <src/ThreadInitTask.h>

Inheritance diagram for ThreadInitTask:

Collaboration diagram for ThreadInitTask:

Public Member Functions
	ThreadInitTask (ToolHandleArray< IThreadInitTool > &tools, boost::barrier *b, ISvcLocator *svcLocator, bool terminate=false)
tbb::task *	execute () override
	Execute the task. More...

Static Public Member Functions
static bool	execFailed ()

Private Attributes
ToolHandleArray< IThreadInitTool >	m_tools
boost::barrier *	m_barrier = nullptr
SmartIF< ISvcLocator >	m_serviceLocator
bool	m_terminate = false

Static Private Attributes
static std::atomic< bool >	m_execFailed

Detailed Description

Special TBB task used by ThreadPoolSvc to wrap execution of IThreadInitTools.

Author

Charles Leggett

Definition at line 31 of file ThreadInitTask.h.

Constructor & Destructor Documentation

ThreadInitTask()

ThreadInitTask::ThreadInitTask ( ToolHandleArray< IThreadInitTool > &  tools, boost::barrier *  b, ISvcLocator *  svcLocator, bool  terminate = false  )

inline

Definition at line 36 of file ThreadInitTask.h.

      : m_tools( tools ), m_barrier( b ), m_serviceLocator( svcLocator ), m_terminate( terminate ){};

Member Function Documentation

execFailed()

static bool ThreadInitTask::execFailed ( )

inlinestatic

Definition at line 46 of file ThreadInitTask.h.

{ return m_execFailed; }

execute()

tbb::task * ThreadInitTask::execute ( )

override

Execute the task.

Will loop over IThreadInitTools and execute each one.

Definition at line 28 of file ThreadInitTask.cpp.

                                 {

  SmartIF<IMessageSvc> messageSvc( m_serviceLocator );
  MsgStream            log( messageSvc, "ThreadInitTask" );

  const auto debug = log.level() <= MSG::DEBUG;

  if ( debug )
    log << MSG::DEBUG << "execute() in thread 0x" << std::hex << pthread_self() << " at " << this << std::dec
        << "  state: " << ( m_terminate ? "terminate" : "initialize" ) << endmsg;

  if ( !m_terminate && Gaudi::Concurrency::ThreadInitDone ) {
    log << MSG::WARNING << "thread initialization has already been done on thread " << std::hex << pthread_self()
        << endmsg;
  }

  if ( m_tools.retrieve().isFailure() ) {
    log << MSG::ERROR << "unable to retrieve ToolHandleArray " << m_tools << endmsg;
    m_execFailed = true;
  } else {

    if ( m_tools.empty() ) {
      log << MSG::DEBUG << "no entries in Tool Array" << endmsg;
      if ( !m_terminate ) { Gaudi::Concurrency::ThreadInitDone = true; }
    } else {
      if ( debug ) log << MSG::DEBUG << "executing in thread 0x" << std::hex << pthread_self() << std::dec << endmsg;

      // only call terminate for threads that have been initialized
      if ( m_terminate && !Gaudi::Concurrency::ThreadInitDone ) {
        log << MSG::INFO << "Not calling terminateThread for thread 0x" << std::hex << pthread_self()
            << " as it has not been initialized" << endmsg;
      } else {

        for ( auto& t : m_tools ) {
          try {

            if ( debug ) log << MSG::DEBUG << "calling IThreadInitTool " << t << endmsg;

            if ( !m_terminate ) {
              t->initThread();
              Gaudi::Concurrency::ThreadInitDone = true;
            } else {
              t->terminateThread();
            }

          } catch ( const GaudiException& exc ) {
            log << MSG::ERROR << "ThreadInitTool " << t << " in thread 0x" << std::hex << pthread_self() << std::dec
                << " threw GaudiException: " << exc << endmsg;
            m_execFailed = true;
          } catch ( const std::exception& exc ) {
            log << MSG::ERROR << "ThreadInitTool " << t << " in thread 0x" << std::hex << pthread_self() << std::dec
                << " threw std::exception: " << exc.what() << endmsg;
            m_execFailed = true;
          } catch ( ... ) {
            log << MSG::ERROR << "ThreadInitTool " << t << " in thread 0x" << std::hex << pthread_self() << std::dec
                << " threw unknown exception" << endmsg;
            m_execFailed = true;
          }
        }
      }

      m_tools.release().ignore();
    }
  }

  if ( m_barrier ) {
    log << MSG::DEBUG << "waiting at barrier in thread 0x" << std::hex << pthread_self() << std::dec << endmsg;
    m_barrier->wait();
  }

  return nullptr;
}

Member Data Documentation

m_barrier

boost::barrier* ThreadInitTask::m_barrier = nullptr

private

Definition at line 51 of file ThreadInitTask.h.

m_execFailed

std::atomic< bool > ThreadInitTask::m_execFailed

staticprivate

Definition at line 55 of file ThreadInitTask.h.

m_serviceLocator

SmartIF<ISvcLocator> ThreadInitTask::m_serviceLocator

private

Definition at line 52 of file ThreadInitTask.h.

m_terminate

bool ThreadInitTask::m_terminate = false

private

Definition at line 53 of file ThreadInitTask.h.

m_tools

ToolHandleArray<IThreadInitTool> ThreadInitTask::m_tools

private

Definition at line 49 of file ThreadInitTask.h.

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The documentation for this class was generated from the following files:

• GaudiHive/src/ThreadInitTask.h
• GaudiHive/src/ThreadInitTask.cpp