mxw_wotlk_azerothcore/deps/acelite/ace/Singleton.cpp

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2020-10-30 23:45:46 -04:00
#ifndef ACE_SINGLETON_CPP
#define ACE_SINGLETON_CPP
#include "ace/Singleton.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (__ACE_INLINE__)
#include "ace/Singleton.inl"
#endif /* __ACE_INLINE__ */
#include "ace/Object_Manager.h"
#include "ace/Log_Category.h"
#include "ace/Framework_Component.h"
#include "ace/Guard_T.h"
#include "ace/os_include/os_typeinfo.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
template <class TYPE, class ACE_LOCK> void
ACE_Singleton<TYPE, ACE_LOCK>::dump (void)
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_Singleton<TYPE, ACE_LOCK>::dump");
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("instance_ = %x"),
ACE_Singleton<TYPE, ACE_LOCK>::instance_i ()));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
#endif /* ACE_HAS_DUMP */
}
template <class TYPE, class ACE_LOCK> ACE_Singleton<TYPE, ACE_LOCK> *&
ACE_Singleton<TYPE, ACE_LOCK>::instance_i (void)
{
#if defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance. This works around a bug with
// G++ and it's (mis-)handling of templates and statics...
static ACE_Singleton<TYPE, ACE_LOCK> *singleton_ = 0;
return singleton_;
#else
return ACE_Singleton<TYPE, ACE_LOCK>::singleton_;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
}
template <class TYPE, class ACE_LOCK> TYPE *
ACE_Singleton<TYPE, ACE_LOCK>::instance (void)
{
ACE_TRACE ("ACE_Singleton<TYPE, ACE_LOCK>::instance");
ACE_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Singleton<TYPE, ACE_LOCK>::instance_i ();
// Perform the Double-Check pattern...
if (singleton == 0)
{
if (ACE_Object_Manager::starting_up () ||
ACE_Object_Manager::shutting_down ())
{
// The program is still starting up, and therefore assumed
// to be single threaded. There's no need to double-check.
// Or, the ACE_Object_Manager instance has been destroyed,
// so the preallocated lock is not available. Either way,
// don't register for destruction with the
// ACE_Object_Manager: we'll have to leak this instance.
ACE_NEW_RETURN (singleton, (ACE_Singleton<TYPE, ACE_LOCK>), 0);
}
else
{
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
// Obtain a lock from the ACE_Object_Manager. The pointer
// is static, so we only obtain one per ACE_Singleton
// instantiation.
static ACE_LOCK *lock = 0;
if (ACE_Object_Manager::get_singleton_lock (lock) != 0)
// Failed to acquire the lock!
return 0;
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, *lock, 0);
if (singleton == 0)
{
#endif /* ACE_MT_SAFE */
ACE_NEW_RETURN (singleton, (ACE_Singleton<TYPE, ACE_LOCK>), 0);
// Register for destruction with ACE_Object_Manager.
ACE_Object_Manager::at_exit (singleton, 0, typeid (TYPE).name ());
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
}
#endif /* ACE_MT_SAFE */
}
}
return &singleton->instance_;
}
template <class TYPE, class ACE_LOCK> void
ACE_Singleton<TYPE, ACE_LOCK>::cleanup (void *)
{
ACE_Object_Manager::remove_at_exit (this);
delete this;
ACE_Singleton<TYPE, ACE_LOCK>::instance_i () = 0;
}
template <class TYPE, class ACE_LOCK> void
ACE_Singleton<TYPE, ACE_LOCK>::close (void)
{
ACE_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Singleton<TYPE, ACE_LOCK>::instance_i ();
if (singleton)
{
singleton->cleanup ();
ACE_Singleton<TYPE, ACE_LOCK>::instance_i () = 0;
}
}
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance.
template <class TYPE, class ACE_LOCK> ACE_Singleton<TYPE, ACE_LOCK> *
ACE_Singleton<TYPE, ACE_LOCK>::singleton_ = 0;
template <class TYPE, class ACE_LOCK> ACE_Unmanaged_Singleton<TYPE, ACE_LOCK> *
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::singleton_ = 0;
#endif /* !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES) */
template <class TYPE, class ACE_LOCK> void
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::dump (void)
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::dump");
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("instance_ = %x"),
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance_i ()));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
#endif /* ACE_HAS_DUMP */
}
template <class TYPE, class ACE_LOCK>
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK> *&
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance_i (void)
{
#if defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance. This works around a bug with
// G++ and it's (mis-)handling of templates and statics...
static ACE_Unmanaged_Singleton<TYPE, ACE_LOCK> *singleton_ = 0;
return singleton_;
#else
return ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::singleton_;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
}
template <class TYPE, class ACE_LOCK> TYPE *
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance (void)
{
ACE_TRACE ("ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance");
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance_i ();
// Perform the Double-Check pattern...
if (singleton == 0)
{
if (ACE_Object_Manager::starting_up () ||
ACE_Object_Manager::shutting_down ())
{
// The program is still starting up, and therefore assumed
// to be single threaded. There's no need to double-check.
// Or, the ACE_Object_Manager instance has been destroyed,
// so the preallocated lock is not available. Either way,
// don't register for destruction with the
// ACE_Object_Manager: we'll have to leak this instance.
ACE_NEW_RETURN (singleton, (ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>),
0);
}
else
{
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
// Obtain a lock from the ACE_Object_Manager. The pointer
// is static, so we only obtain one per
// ACE_Unmanaged_Singleton instantiation.
static ACE_LOCK *lock = 0;
if (ACE_Object_Manager::get_singleton_lock (lock) != 0)
// Failed to acquire the lock!
return 0;
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, *lock, 0);
#endif /* ACE_MT_SAFE */
if (singleton == 0)
ACE_NEW_RETURN (singleton,
(ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>),
0);
}
}
return &singleton->instance_;
}
template <class TYPE, class ACE_LOCK> void
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::close (void)
{
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance_i ();
if (singleton)
{
singleton->cleanup ();
ACE_Unmanaged_Singleton<TYPE, ACE_LOCK>::instance_i () = 0;
}
}
template <class TYPE, class ACE_LOCK> void
ACE_TSS_Singleton<TYPE, ACE_LOCK>::dump (void)
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_TSS_Singleton<TYPE, ACE_LOCK>::dump");
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("instance_ = %x"),
ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance_i ()));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
#endif /* ACE_HAS_DUMP */
}
template <class TYPE, class ACE_LOCK> ACE_TSS_Singleton<TYPE, ACE_LOCK> *&
ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance_i (void)
{
#if defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance. This works around a bug with
// G++ and it's (mis-)handling of templates and statics...
static ACE_TSS_Singleton<TYPE, ACE_LOCK> *singleton_ = 0;
return singleton_;
#else
return ACE_TSS_Singleton<TYPE, ACE_LOCK>::singleton_;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
}
template <class TYPE, class ACE_LOCK> TYPE *
ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance (void)
{
ACE_TRACE ("ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance");
ACE_TSS_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance_i ();
// Perform the Double-Check pattern...
if (singleton == 0)
{
if (ACE_Object_Manager::starting_up () ||
ACE_Object_Manager::shutting_down ())
{
// The program is still starting up, and therefore assumed
// to be single threaded. There's no need to double-check.
// Or, the ACE_Object_Manager instance has been destroyed,
// so the preallocated lock is not available. Either way,
// don't register for destruction with the
// ACE_Object_Manager: we'll have to leak this instance.
ACE_NEW_RETURN (singleton, (ACE_TSS_Singleton<TYPE, ACE_LOCK>), 0);
}
else
{
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
// Obtain a lock from the ACE_Object_Manager. The pointer
// is static, so we only obtain one per ACE_Singleton instantiation.
static ACE_LOCK *lock = 0;
if (ACE_Object_Manager::get_singleton_lock (lock) != 0)
// Failed to acquire the lock!
return 0;
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, *lock, 0);
if (singleton == 0)
{
#endif /* ACE_MT_SAFE */
ACE_NEW_RETURN (singleton, (ACE_TSS_Singleton<TYPE, ACE_LOCK>),
0);
// Register for destruction with ACE_Object_Manager.
ACE_Object_Manager::at_exit (singleton, 0, typeid (TYPE).name ());
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
}
#endif /* ACE_MT_SAFE */
}
}
return ACE_TSS_GET (&singleton->instance_, TYPE);
}
template <class TYPE, class ACE_LOCK> void
ACE_TSS_Singleton<TYPE, ACE_LOCK>::cleanup (void *)
{
delete this;
ACE_TSS_Singleton<TYPE, ACE_LOCK>::instance_i () = 0;
}
template <class TYPE, class ACE_LOCK> void
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::dump (void)
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::dump");
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("instance_ = %x"),
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance_i ()));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
#endif /* ACE_HAS_DUMP */
}
template <class TYPE, class ACE_LOCK>
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK> *&
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance_i (void)
{
#if defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance. This works around a bug with
// G++ and it's (mis-)handling of templates and statics...
static ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK> *singleton_ = 0;
return singleton_;
#else
return ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::singleton_;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
}
template <class TYPE, class ACE_LOCK> TYPE *
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance (void)
{
ACE_TRACE ("ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance");
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance_i ();
// Perform the Double-Check pattern...
if (singleton == 0)
{
if (ACE_Object_Manager::starting_up () ||
ACE_Object_Manager::shutting_down ())
{
// The program is still starting up, and therefore assumed
// to be single threaded. There's no need to double-check.
// Or, the ACE_Object_Manager instance has been destroyed,
// so the preallocated lock is not available. Either way,
// don't register for destruction with the
// ACE_Object_Manager: we'll have to leak this instance.
ACE_NEW_RETURN (singleton,
(ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>),
0);
}
else
{
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
// Obtain a lock from the ACE_Object_Manager. The pointer
// is static, so we only obtain one per
// ACE_Unmanaged_Singleton instantiation.
static ACE_LOCK *lock = 0;
if (ACE_Object_Manager::get_singleton_lock (lock) != 0)
// Failed to acquire the lock!
return 0;
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, *lock, 0);
#endif /* ACE_MT_SAFE */
if (singleton == 0)
ACE_NEW_RETURN (singleton,
(ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>),
0);
}
}
return ACE_TSS_GET (&singleton->instance_, TYPE);
}
template <class TYPE, class ACE_LOCK> void
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::close (void)
{
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK> *&singleton =
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::instance_i ();
if (singleton)
singleton->cleanup ();
}
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance.
template <class TYPE, class ACE_LOCK> ACE_TSS_Singleton <TYPE, ACE_LOCK> *
ACE_TSS_Singleton<TYPE, ACE_LOCK>::singleton_ = 0;
template <class TYPE, class ACE_LOCK>
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK> *
ACE_Unmanaged_TSS_Singleton<TYPE, ACE_LOCK>::singleton_ = 0;
#endif /* !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES) */
/*************************************************************************/
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance.
template <class TYPE, class ACE_LOCK> ACE_DLL_Singleton_T<TYPE, ACE_LOCK> *
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::singleton_ = 0;
#endif /* !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES) */
template <class TYPE, class ACE_LOCK> void
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::dump (void)
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::dump");
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("instance_ = %x"),
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance_i ()));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
#endif /* ACE_HAS_DUMP */
}
template <class TYPE, class ACE_LOCK>
ACE_DLL_Singleton_T<TYPE, ACE_LOCK> *&
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance_i (void)
{
ACE_TRACE ("ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance_i");
#if defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Pointer to the Singleton instance. This works around a bug with
// G++ and it's (mis-)handling of templates and statics...
static ACE_DLL_Singleton_T<TYPE, ACE_LOCK> *singleton_ = 0;
return singleton_;
#else
return ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::singleton_;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
}
template <class TYPE, class ACE_LOCK> TYPE *
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance (void)
{
ACE_TRACE ("ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance");
ACE_DLL_Singleton_T<TYPE, ACE_LOCK> *&singleton =
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance_i ();
// Perform the Double-Check pattern...
if (singleton == 0)
{
if (ACE_Object_Manager::starting_up () ||
ACE_Object_Manager::shutting_down ())
{
// The program is still starting up, and therefore assumed
// to be single threaded. There's no need to double-check.
// Or, the ACE_Object_Manager instance has been destroyed,
// so the preallocated lock is not available. Either way,
// don't register for destruction with the
// ACE_Object_Manager: we'll have to leak this instance.
ACE_NEW_RETURN (singleton, (ACE_DLL_Singleton_T<TYPE, ACE_LOCK>),
0);
}
else
{
#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0)
// Obtain a lock from the ACE_Object_Manager. The pointer
// is static, so we only obtain one per
// ACE_Unmanaged_Singleton instantiation.
static ACE_LOCK *lock = 0;
if (ACE_Object_Manager::get_singleton_lock (lock) != 0)
// Failed to acquire the lock!
return 0;
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, *lock, 0);
#endif /* ACE_MT_SAFE */
if (singleton == 0)
ACE_NEW_RETURN (singleton,
(ACE_DLL_Singleton_T<TYPE, ACE_LOCK>),
0);
}
//ACE_REGISTER_FRAMEWORK_COMPONENT(ACE_DLL_Singleton<TYPE,ACE_LOCK>, singleton);
ACE_Framework_Repository::instance ()->register_component
(new ACE_Framework_Component_T<ACE_DLL_Singleton_T<TYPE, ACE_LOCK> > (singleton));
}
return &singleton->instance_;
}
template <class TYPE, class ACE_LOCK> void
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::close (void)
{
ACE_TRACE ("ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::close");
ACE_DLL_Singleton_T<TYPE, ACE_LOCK> *&singleton =
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::instance_i ();
delete singleton;
singleton = 0;
}
template <class TYPE, class ACE_LOCK> void
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::close_singleton (void)
{
ACE_TRACE ("ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::close_singleton");
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::close ();
}
template <class TYPE, class ACE_LOCK> const ACE_TCHAR *
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::dll_name (void)
{
return this->instance ()->dll_name ();
}
template <class TYPE, class ACE_LOCK> const ACE_TCHAR *
ACE_DLL_Singleton_T<TYPE, ACE_LOCK>::name (void)
{
return this->instance ()->name ();
}
/**********************************************************************/
template <class TYPE> const ACE_TCHAR*
ACE_DLL_Singleton_Adapter_T<TYPE>::dll_name (void)
{
// @todo make this a constant somewhere (or it there already is one
// then use it.
return ACE_TEXT("ACE");
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_SINGLETON_CPP */