ers::SingletonCreator< T > Class Template Reference

#include <SingletonCreator.hpp>

Static Public Member Functions
static T *	create ()

Static Private Attributes
static std::mutex	s_mutex
static T *	s_instance

Detailed Description

template<class T>
class ers::SingletonCreator< T >

Definition at line 33 of file SingletonCreator.hpp.

Member Function Documentation

create()

template<class T>

T * ers::SingletonCreator< T >::create ( )

inlinestatic

Definition at line 39 of file SingletonCreator.hpp.

  {
// on MacOS with gcc 4.2 the s_mutex is not yet created
// at this moment which causes crash. This might be fixed
// when movining to newer gcc version
#if !defined(__APPLE__) && !defined(__rtems__)
    std::scoped_lock lock(s_mutex);
#endif
    if (!s_instance) {
      s_instance = new T();
    }
    return s_instance;
  }

Member Data Documentation

s_instance

template<class T>

T* ers::SingletonCreator< T >::s_instance

staticprivate

Definition at line 36 of file SingletonCreator.hpp.

s_mutex

template<class T>

std::mutex ers::SingletonCreator< T >::s_mutex

staticprivate

Definition at line 35 of file SingletonCreator.hpp.

---

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

• /github/workspace/dunedaq/sourcecode/ers/include/ers/Configuration.hpp
• /github/workspace/dunedaq/sourcecode/ers/include/ers/internal/SingletonCreator.hpp