diff options
Diffstat (limited to 'ace/Object_Manager.cpp')
| -rw-r--r-- | ace/Object_Manager.cpp | 827 |
1 files changed, 0 insertions, 827 deletions
diff --git a/ace/Object_Manager.cpp b/ace/Object_Manager.cpp deleted file mode 100644 index f5facf04e63..00000000000 --- a/ace/Object_Manager.cpp +++ /dev/null @@ -1,827 +0,0 @@ -// $Id$ - -#define ACE_BUILD_DLL - -#include "ace/Object_Manager.h" -#if !defined (ACE_LACKS_ACE_TOKEN) -# include "ace/Token_Manager.h" -#endif /* ! ACE_LACKS_ACE_TOKEN */ -#if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_OTHER) -# include "ace/Naming_Context.h" -#endif /* ! ACE_HAS_WINCE && ! ACE_LACKS_ACE_OTHER */ -#include "ace/Service_Manager.h" -#include "ace/Service_Config.h" -#include "ace/Signal.h" -#include "ace/Log_Msg.h" -#include "ace/Containers.h" -#include "ace/Synch.h" -#include "ace/Malloc.h" -#include "ace/Signal.h" - -#if !defined (__ACE_INLINE__) -# include "ace/Object_Manager.i" -#endif /* __ACE_INLINE__ */ - -ACE_RCSID(ace, Object_Manager, "$Id$") - -#if ! defined (ACE_APPLICATION_PREALLOCATED_OBJECT_DEFINITIONS) -# define ACE_APPLICATION_PREALLOCATED_OBJECT_DEFINITIONS -#endif /* ACE_APPLICATION_PREALLOCATED_OBJECT_DEFINITIONS */ - -#if ! defined (ACE_APPLICATION_PREALLOCATED_ARRAY_DEFINITIONS) -# define ACE_APPLICATION_PREALLOCATED_ARRAY_DEFINITIONS -#endif /* ACE_APPLICATION_PREALLOCATED_ARRAY_DEFINITIONS */ - -#if ! defined (ACE_APPLICATION_PREALLOCATED_OBJECT_DELETIONS) -# define ACE_APPLICATION_PREALLOCATED_OBJECT_DELETIONS -#endif /* ACE_APPLICATION_PREALLOCATED_OBJECT_DELETIONS */ - -#if ! defined (ACE_APPLICATION_PREALLOCATED_ARRAY_DELETIONS) -# define ACE_APPLICATION_PREALLOCATED_ARRAY_DELETIONS -#endif /* ACE_APPLICATION_PREALLOCATED_ARRAY_DELETIONS */ - -// Singleton pointer. -ACE_Object_Manager *ACE_Object_Manager::instance_ = 0; - -void *ACE_Object_Manager::preallocated_object[ - ACE_Object_Manager::ACE_PREALLOCATED_OBJECTS] = { 0 }; - -void *ACE_Object_Manager::preallocated_array[ - ACE_Object_Manager::ACE_PREALLOCATED_ARRAYS] = { 0 }; - -// Handy macros for use by ACE_Object_Manager constructor to -// preallocate or delete an object or array, either statically (in -// global data) or dynamically (on the heap). -#if defined (ACE_HAS_STATIC_PREALLOCATION) -# define ACE_PREALLOCATE_OBJECT(TYPE, ID)\ - {\ - static ACE_Cleanup_Adapter<TYPE> obj;\ - preallocated_object[ID] = &obj;\ - } -# define ACE_PREALLOCATE_ARRAY(TYPE, ID, COUNT)\ - {\ - static ACE_Cleanup_Adapter<TYPE> obj[COUNT];\ - preallocated_array[ID] = &obj;\ - } -#else -# define ACE_PREALLOCATE_OBJECT(TYPE, ID)\ - {\ - ACE_Cleanup_Adapter<TYPE> *obj_p;\ - ACE_NEW_RETURN (obj_p, ACE_Cleanup_Adapter<TYPE>, -1);\ - preallocated_object[ID] = obj_p;\ - } -# define ACE_PREALLOCATE_ARRAY(TYPE, ID, COUNT)\ - {\ - ACE_Cleanup_Adapter<TYPE[COUNT]> *array_p;\ - ACE_NEW_RETURN (array_p, ACE_Cleanup_Adapter<TYPE[COUNT]>, -1);\ - preallocated_array[ID] = array_p;\ - } -# define ACE_DELETE_PREALLOCATED_OBJECT(TYPE, ID)\ - ace_cleanup_destroyer (\ - (ACE_Cleanup_Adapter<TYPE> *) preallocated_object[ID], 0);\ - preallocated_object[ID] = 0; -# define ACE_DELETE_PREALLOCATED_ARRAY(TYPE, ID, COUNT)\ - delete (ACE_Cleanup_Adapter<TYPE[COUNT]> *) preallocated_array[ID];\ - preallocated_array[ID] = 0; -#endif /* ACE_HAS_STATIC_PREALLOCATION */ - -class ACE_Object_Manager_Preallocations -{ - // = TITLE - // Performs preallocations of certain statically allocated - // services needed by ACE. -public: - ACE_Object_Manager_Preallocations (void); - ~ACE_Object_Manager_Preallocations (void); - -private: -#if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_OTHER) - ACE_Static_Svc_Descriptor ace_svc_desc_ACE_Naming_Context; -#endif /* ! ACE_HAS_WINCE && ! ACE_LACKS_ACE_OTHER */ - ACE_Static_Svc_Descriptor ace_svc_desc_ACE_Service_Manager; -}; - -// We can't use the ACE_SVC_FACTORY_DECLARE macro here because this -// needs to be in the ACE_Export context rather than the -// ACE_Svc_Export context. -extern "C" ACE_Export -ACE_Service_Object * -_make_ACE_Service_Manager (ACE_Service_Object_Exterminator *); - -ACE_Object_Manager_Preallocations::ACE_Object_Manager_Preallocations (void) -{ - // Define the static services. This macro call creates static - // service descriptors that are used for initialization below. -#if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_OTHER) - ACE_STATIC_SVC_DEFINE (ACE_Naming_Context_initializer, - ASYS_TEXT ("ACE_Naming_Context"), - ACE_SVC_OBJ_T, - &ACE_SVC_NAME (ACE_Naming_Context), - ACE_Service_Type::DELETE_THIS | - ACE_Service_Type::DELETE_OBJ, - 0) -#endif /* ! ACE_HAS_WINCE && ! ACE_LACKS_ACE_OTHER */ - - ACE_STATIC_SVC_DEFINE (ACE_Service_Manager_initializer, - ASYS_TEXT ("ACE_Service_Manager"), - ACE_SVC_OBJ_T, - &ACE_SVC_NAME (ACE_Service_Manager), - ACE_Service_Type::DELETE_THIS | - ACE_Service_Type::DELETE_OBJ, - 0) - - // Initialize the static service objects using the descriptors created - // above. -#if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_OTHER) - ace_svc_desc_ACE_Naming_Context = - ace_svc_desc_ACE_Naming_Context_initializer; -#endif /* ! ACE_HAS_WINCE && ! ACE_LACKS_ACE_OTHER */ - - ace_svc_desc_ACE_Service_Manager = - ace_svc_desc_ACE_Service_Manager_initializer; - - // Add to the list of static configured services. -#if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_OTHER) - ACE_Service_Config::static_svcs ()-> - insert (&ace_svc_desc_ACE_Naming_Context); -#endif /* ! ACE_HAS_WINCE && ! ACE_LACKS_ACE_OTHER */ - - ACE_Service_Config::static_svcs ()-> - insert (&ace_svc_desc_ACE_Service_Manager); -} - -ACE_Object_Manager_Preallocations::~ACE_Object_Manager_Preallocations (void) -{ -} - -int -ACE_Object_Manager::starting_up (void) -{ - return ACE_Object_Manager::instance_ ? instance_->starting_up_i () : 1; -} - -int -ACE_Object_Manager::shutting_down (void) -{ - return ACE_Object_Manager::instance_ ? instance_->shutting_down_i () : 1; -} - -// Initialize an ACE_Object_Manager. There can be instances of this object -// other than The Instance. This can happen if a user creates one for some -// reason. All objects set up their per-object information and managed -// objects, but only The Instance sets up the static preallocated objects and -// the (static) ACE_Service_Config signal handler. -int -ACE_Object_Manager::init (void) -{ - if (starting_up_i ()) - { - // First, indicate that the ACE_Object_Manager instance is being - // initialized. - object_manager_state_ = OBJ_MAN_INITIALIZING; - - // Only The Instance sets up with ACE_OS_Object_Manager and initializes - // the preallocated objects. - if (this == instance_) - { - // Make sure that the ACE_OS_Object_Manager has been created, - // and register with it for chained fini (). - ACE_OS_Object_Manager::instance ()->next_ = this; - - // Construct the ACE_Service_Config's signal handler. - ACE_NEW_RETURN (ace_service_config_sig_handler_, - ACE_Sig_Adapter (&ACE_Service_Config::handle_signal), -1); - ACE_Service_Config::signal_handler (ace_service_config_sig_handler_); - - // Allocate the preallocated (hard-coded) object instances. - ACE_PREALLOCATE_OBJECT (ACE_SYNCH_RW_MUTEX, ACE_FILECACHE_LOCK) -# if defined (ACE_HAS_THREADS) - ACE_PREALLOCATE_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_STATIC_OBJECT_LOCK) -# endif /* ACE_HAS_THREADS */ -# if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - ACE_PREALLOCATE_OBJECT (ACE_Thread_Mutex, - ACE_MT_CORBA_HANDLER_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_Thread_Mutex, ACE_DUMP_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_SIG_HANDLER_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_Null_Mutex, ACE_SINGLETON_NULL_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_SINGLETON_RECURSIVE_THREAD_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_Thread_Mutex, ACE_THREAD_EXIT_LOCK) -#if !defined (ACE_LACKS_ACE_TOKEN) - ACE_PREALLOCATE_OBJECT (ACE_TOKEN_CONST::MUTEX, - ACE_TOKEN_MANAGER_CREATION_LOCK) - ACE_PREALLOCATE_OBJECT (ACE_TOKEN_CONST::MUTEX, - ACE_TOKEN_INVARIANTS_CREATION_LOCK) -#endif /* ! ACE_LACKS_ACE_TOKEN */ - ACE_PREALLOCATE_OBJECT (ACE_Thread_Mutex, - ACE_PROACTOR_EVENT_LOOP_LOCK) -# endif /* ACE_MT_SAFE */ - } - - if (this == instance_) - { - // Hooks for preallocated objects and arrays provided by application. - ACE_APPLICATION_PREALLOCATED_OBJECT_DEFINITIONS - ACE_APPLICATION_PREALLOCATED_ARRAY_DEFINITIONS - -# if defined (ACE_HAS_TSS_EMULATION) - // Initialize the main thread's TS storage. - ACE_TSS_Emulation::tss_open (ts_storage_); -# endif /* ACE_HAS_TSS_EMULATION */ - - ACE_NEW_RETURN (preallocations_, - ACE_Object_Manager_Preallocations, - -1); - // Open the main thread's ACE_Log_Msg. - (void) ACE_LOG_MSG; - } - - // Finally, indicate that the ACE_Object_Manager instance has - // been initialized. - object_manager_state_ = OBJ_MAN_INITIALIZED; - - return 0; - } else { - // Had already initialized. - return 1; - } -} - -ACE_Object_Manager::ACE_Object_Manager (void) - // With ACE_HAS_TSS_EMULATION, ts_storage_ is initialized by the call to - // ACE_OS::tss_open () in the function body. - : exit_info_ () - , preallocations_ (0) - , ace_service_config_sig_handler_ (0) -#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - , internal_lock_ (new ACE_Recursive_Thread_Mutex) - , singleton_null_lock_ (0) - , singleton_recursive_lock_ (0) -# endif /* ACE_MT_SAFE */ -{ - // If instance_ was not 0, then another ACE_Object_Manager has - // already been instantiated (it is likely to be one initialized by way - // of library/DLL loading). Let this one go through construction in - // case there really is a good reason for it (like, ACE is a static/archive - // library, and this one is the non-static instance (with - // ACE_HAS_NONSTATIC_OBJECT_MANAGER, or the user has a good reason for - // creating a separate one) but the original one will be the one retrieved - // from calls to ACE_Object_Manager::instance(). - - // Be sure that no further instances are created via instance (). - if (instance_ == 0) - instance_ = this; - - init (); -} - -ACE_Object_Manager::~ACE_Object_Manager (void) -{ - dynamically_allocated_ = 0; // Don't delete this again in fini() - fini (); -} - -ACE_Object_Manager * -ACE_Object_Manager::instance (void) -{ - // This function should be called during construction of static - // instances, or before any other threads have been created in - // the process. So, it's not thread safe. - - if (instance_ == 0) - { - ACE_Object_Manager *instance_pointer; - - ACE_NEW_RETURN (instance_pointer, - ACE_Object_Manager, - 0); - ACE_ASSERT (instance_pointer == instance_); - - instance_pointer->dynamically_allocated_ = 1; - - return instance_pointer; - } - else - return instance_; -} - -int -ACE_Object_Manager::at_exit_i (void *object, - ACE_CLEANUP_FUNC cleanup_hook, - void *param) -{ - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, - *instance_->internal_lock_, -1)); - - if (shutting_down_i ()) - { - errno = EAGAIN; - return -1; - } - - if (exit_info_.find (object)) - { - // The object has already been registered. - errno = EEXIST; - return -1; - } - - return exit_info_.at_exit_i (object, cleanup_hook, param); -} - -#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - -int -ACE_Object_Manager::get_singleton_lock (ACE_Null_Mutex *&lock) -{ - if (starting_up () || shutting_down ()) - { - // The preallocated lock has not been constructed yet. - // Therefore, the program is single-threaded at this point. Or, - // the ACE_Object_Manager instance has been destroyed, so the - // preallocated lock is not available. Allocate a lock to use, - // for interface compatibility, though there should be no - // contention on it. - if (ACE_Object_Manager::instance ()->singleton_null_lock_ == 0) - { - ACE_NEW_RETURN (ACE_Object_Manager::instance ()-> - singleton_null_lock_, - ACE_Cleanup_Adapter<ACE_Null_Mutex>, - -1); - - // Can't register with the ACE_Object_Manager here! The - // lock's declaration is visible to the ACE_Object_Manager - // destructor, so it will clean it up as a special case. - } - - if (ACE_Object_Manager::instance ()->singleton_null_lock_ != 0) - lock = &ACE_Object_Manager::instance ()->singleton_null_lock_-> - object (); - } - else - // Use the Object_Manager's preallocated lock. - lock = ACE_Managed_Object<ACE_Null_Mutex>::get_preallocated_object - (ACE_Object_Manager::ACE_SINGLETON_NULL_LOCK); - - return 0; -} - -int -ACE_Object_Manager::get_singleton_lock (ACE_Thread_Mutex *&lock) -{ - if (lock == 0) - { - if (starting_up () || shutting_down ()) - { - // The Object_Manager and its internal lock have not been - // constructed yet. Therefore, the program is single- - // threaded at this point. Or, the ACE_Object_Manager - // instance has been destroyed, so the internal lock is not - // available. Either way, we can not use double-checked - // locking. So, we'll leak the lock. - ACE_NEW_RETURN (lock, - ACE_Thread_Mutex, - -1); - } - else - { - // Allocate a new lock, but use double-checked locking to - // ensure that only one thread allocates it. - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, - ace_mon, - *ACE_Object_Manager::instance ()-> - internal_lock_, - -1)); - - if (lock == 0) - { - ACE_Cleanup_Adapter<ACE_Thread_Mutex> *lock_adapter; - ACE_NEW_RETURN (lock_adapter, - ACE_Cleanup_Adapter<ACE_Thread_Mutex>, - -1); - lock = &lock_adapter->object (); - - // Register the lock for destruction at program - // termination. This call will cause us to grab the - // ACE_Object_Manager::instance ()->internal_lock_ - // again; that's why it is a recursive lock. - ACE_Object_Manager::at_exit (lock_adapter); - } - } - } - - return 0; -} - -int -ACE_Object_Manager::get_singleton_lock (ACE_Mutex *&lock) -{ - if (lock == 0) - { - if (starting_up () || shutting_down ()) - { - // The Object_Manager and its internal lock have not been - // constructed yet. Therefore, the program is single- - // threaded at this point. Or, the ACE_Object_Manager - // instance has been destroyed, so the internal lock is not - // available. Either way, we can not use double-checked - // locking. So, we'll leak the lock. - - ACE_NEW_RETURN (lock, - ACE_Mutex, - -1); - } - else - { - // Allocate a new lock, but use double-checked locking to - // ensure that only one thread allocates it. - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, - ace_mon, - *ACE_Object_Manager::instance ()-> - internal_lock_, - -1)); - - if (lock == 0) - { - ACE_Cleanup_Adapter<ACE_Mutex> *lock_adapter; - ACE_NEW_RETURN (lock_adapter, - ACE_Cleanup_Adapter<ACE_Mutex>, - -1); - lock = &lock_adapter->object (); - - // Register the lock for destruction at program - // termination. This call will cause us to grab the - // ACE_Object_Manager::instance ()->internal_lock_ - // again; that's why it is a recursive lock. - ACE_Object_Manager::at_exit (lock_adapter); - } - } - } - - return 0; -} - -int -ACE_Object_Manager::get_singleton_lock (ACE_Recursive_Thread_Mutex *&lock) -{ - if (starting_up () || shutting_down ()) - { - // The preallocated lock has not been constructed yet. - // Therefore, the program is single-threaded at this point. Or, - // the ACE_Object_Manager instance has been destroyed, so the - // preallocated lock is not available. Allocate a lock to use, - // for interface compatibility, though there should be no - // contention on it. - if (ACE_Object_Manager::instance ()->singleton_recursive_lock_ == 0) - ACE_NEW_RETURN (ACE_Object_Manager::instance ()-> - singleton_recursive_lock_, - ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex>, - -1); - - // Can't register with the ACE_Object_Manager here! The lock's - // declaration is visible to the ACE_Object_Manager destructor, - // so it will clean it up as a special case. - - if (ACE_Object_Manager::instance ()->singleton_recursive_lock_ != 0) - lock = &ACE_Object_Manager::instance ()->singleton_recursive_lock_-> - object (); - } - else - { - // Use the Object_Manager's preallocated lock. - lock = ACE_Managed_Object<ACE_Recursive_Thread_Mutex>:: - get_preallocated_object (ACE_Object_Manager:: - ACE_SINGLETON_RECURSIVE_THREAD_LOCK); - } - - return 0; -} - -int -ACE_Object_Manager::get_singleton_lock (ACE_RW_Thread_Mutex *&lock) -{ - if (lock == 0) - { - if (starting_up () || shutting_down ()) - { - // The Object_Manager and its internal lock have not been - // constructed yet. Therefore, the program is single- - // threaded at this point. Or, the ACE_Object_Manager - // instance has been destroyed, so the internal lock is not - // available. Either way, we can not use double-checked - // locking. So, we'll leak the lock. - - ACE_NEW_RETURN (lock, - ACE_RW_Thread_Mutex, - -1); - } - else - { - // Allocate a new lock, but use double-checked locking to - // ensure that only one thread allocates it. - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, - ace_mon, - *ACE_Object_Manager::instance ()-> - internal_lock_, - -1)); - - if (lock == 0) - { - ACE_Cleanup_Adapter<ACE_RW_Thread_Mutex> *lock_adapter; - ACE_NEW_RETURN (lock_adapter, - ACE_Cleanup_Adapter<ACE_RW_Thread_Mutex>, - -1); - lock = &lock_adapter->object (); - - - // Register the lock for destruction at program - // termination. This call will cause us to grab the - // ACE_Object_Manager::instance ()->internal_lock_ - // again; that's why it is a recursive lock. - ACE_Object_Manager::at_exit (lock_adapter); - } - } - } - - return 0; -} -#endif /* ACE_MT_SAFE */ - -// NOTE: this function needs to appear _after_ the -// get_singleton_lock () functions in order to compile with -// g++ 2.7.2.3. -// -// Clean up an ACE_Object_Manager. There can be instances of this object -// other than The Instance. This can happen if (on Win32) the ACE DLL -// causes one to be created, or if a user creates one for some reason. -// Only The Instance cleans up the static preallocated objects. All objects -// clean up their per-object information and managed objects. -int -ACE_Object_Manager::fini (void) -{ - if (shutting_down_i ()) - // Too late. Or, maybe too early. Either fini () has already - // been called, or init () was never called. - return object_manager_state_ == OBJ_MAN_SHUT_DOWN ? 1 : -1; - - // No mutex here. Only the main thread should destroy the singleton - // ACE_Object_Manager instance. - - // First, indicate that this ACE_Object_Manager instance is being - // shut down. - object_manager_state_ = OBJ_MAN_SHUTTING_DOWN; - - // Call all registered cleanup hooks, in reverse order of - // registration. - exit_info_.call_hooks (); - - if (this == instance_) - { - delete preallocations_; - preallocations_ = 0; - - ACE_Trace::stop_tracing (); - - // Close and possibly delete all service instances in the Service - // Repository. - ACE_Service_Config::fini_svcs (); - - // Close the main thread's TSS, including its Log_Msg instance. - ACE_OS::cleanup_tss (1 /* main thread */); - - // - // Note: Do not access Log Msg after this since it is gone - // - - // Unlink all services in the Service Repository and close/delete - // all ACE library services and singletons. - ACE_Service_Config::close (); - - // Close the ACE_Allocator. - ACE_Allocator::close_singleton (); - -#if ! defined (ACE_HAS_STATIC_PREALLOCATION) - // Hooks for deletion of preallocated objects and arrays provided by - // application. - ACE_APPLICATION_PREALLOCATED_ARRAY_DELETIONS - ACE_APPLICATION_PREALLOCATED_OBJECT_DELETIONS - - // Cleanup the dynamically preallocated arrays. - // (none) - - // Cleanup the dynamically preallocated objects. - ACE_DELETE_PREALLOCATED_OBJECT (ACE_SYNCH_RW_MUTEX, ACE_FILECACHE_LOCK) -#if defined (ACE_HAS_THREADS) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_STATIC_OBJECT_LOCK) -#endif /* ACE_HAS_THREADS */ -# if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Thread_Mutex, - ACE_MT_CORBA_HANDLER_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Thread_Mutex, ACE_DUMP_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_SIG_HANDLER_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Null_Mutex, - ACE_SINGLETON_NULL_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Recursive_Thread_Mutex, - ACE_SINGLETON_RECURSIVE_THREAD_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Thread_Mutex, ACE_THREAD_EXIT_LOCK) -#if !defined (ACE_LACKS_ACE_TOKEN) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_TOKEN_CONST::MUTEX, - ACE_TOKEN_MANAGER_CREATION_LOCK) - ACE_DELETE_PREALLOCATED_OBJECT (ACE_TOKEN_CONST::MUTEX, - ACE_TOKEN_INVARIANTS_CREATION_LOCK) -#endif /* ! ACE_LACKS_ACE_TOKEN */ - ACE_DELETE_PREALLOCATED_OBJECT (ACE_Thread_Mutex, - ACE_PROACTOR_EVENT_LOOP_LOCK) -# endif /* ACE_MT_SAFE */ -#endif /* ! ACE_HAS_STATIC_PREALLOCATION */ - -#if defined (ACE_HAS_THREADS) - ACE_Static_Object_Lock::cleanup_lock (); -#endif /* ACE_HAS_THREADS */ - } - - delete ace_service_config_sig_handler_; - ace_service_config_sig_handler_ = 0; - -#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - delete internal_lock_; - internal_lock_ = 0; - - delete singleton_null_lock_; - singleton_null_lock_ = 0; - - delete singleton_recursive_lock_; - singleton_recursive_lock_ = 0; -#endif /* ACE_MT_SAFE */ - - // Indicate that this ACE_Object_Manager instance has been shut down. - object_manager_state_ = OBJ_MAN_SHUT_DOWN; - - // Then, ensure that the ACE_OS_Object_Manager gets shut down. - if (this == instance_ && ACE_OS_Object_Manager::instance_) - ACE_OS_Object_Manager::instance_->fini (); - - if (dynamically_allocated_) - { - delete this; - } - - if (this == instance_) - instance_ = 0; - - return 0; -} - - -#if !defined (ACE_HAS_NONSTATIC_OBJECT_MANAGER) -class ACE_Export ACE_Object_Manager_Manager - // = TITLE - // Ensure that the <ACE_Object_Manager> gets initialized at - // program startup, and destroyed at program termination. - // - // = DESCRIPTION - // Without ACE_HAS_NONSTATIC_OBJECT_MANAGER, a static instance of this - // class is created. Therefore, it gets created before main () - // is called. And it gets destroyed after main () returns. -{ -public: - ACE_Object_Manager_Manager (void); - ~ACE_Object_Manager_Manager (void); - -private: - ACE_thread_t saved_main_thread_id_; - // Save the main thread ID, so that destruction can be suppressed. -}; - -ACE_Object_Manager_Manager::ACE_Object_Manager_Manager (void) - : saved_main_thread_id_ (ACE_OS::thr_self ()) -{ - // Ensure that the Object_Manager gets initialized before any - // application threads have been spawned. Because this will be called - // during construction of static objects, that should always be the - // case. - (void) ACE_Object_Manager::instance (); -} - -ACE_Object_Manager_Manager::~ACE_Object_Manager_Manager (void) -{ - if (ACE_OS::thr_equal (ACE_OS::thr_self (), - saved_main_thread_id_)) - { - delete ACE_Object_Manager::instance_; - ACE_Object_Manager::instance_ = 0; - } - // else if this destructor is not called by the main thread, then do - // not delete the ACE_Object_Manager. That causes problems, on - // WIN32 at least. -} - -static ACE_Object_Manager_Manager ACE_Object_Manager_Manager_instance; -#endif /* ! ACE_HAS_NONSTATIC_OBJECT_MANAGER */ - -#if defined (ACE_HAS_THREADS) - -// This is global so that it doesn't have to be declared in the header -// file. That would cause nasty circular include problems. -typedef ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex> - ACE_Static_Object_Lock_Type; -static ACE_Static_Object_Lock_Type * - ACE_Static_Object_Lock_lock = 0; - -// ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK isn't (currently) used by ACE. -// But, applications may find it useful for avoiding recursive calls -// if they have overridden operator new. Thanks to Jody Hagins -// <jody@atdesk.com> for contributing it. - -ACE_Recursive_Thread_Mutex * -ACE_Static_Object_Lock::instance (void) -{ - if (ACE_Object_Manager::starting_up () || - ACE_Object_Manager::shutting_down ()) - { - // The preallocated ACE_STATIC_OBJECT_LOCK has not been - // constructed yet. Therefore, the program is single-threaded - // at this point. Or, the ACE_Object_Manager instance has been - // destroyed, so the preallocated lock is not available. - // Allocate a lock to use, for interface compatibility, though - // there should be no contention on it. - if (ACE_Static_Object_Lock_lock == 0) - { -# if defined (ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK) - // Allocate a buffer with malloc, and then use placement - // new for the object, on the malloc'd buffer. - void *buffer = - ACE_OS::malloc (sizeof (*ACE_Static_Object_Lock_lock)); - if (buffer == 0) - { - return 0; - } - ACE_NEW (ACE_Static_Object_Lock_lock, - (buffer) ACE_Static_Object_Lock_Type ()); -# else /* ! ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK */ - ACE_NEW_RETURN (ACE_Static_Object_Lock_lock, - ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex>, - 0); -# endif /* ! ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK */ - } - - // Can't register with the ACE_Object_Manager here! The lock's - // declaration is visible to the ACE_Object_Manager destructor, - // so it will clean it up as a special case. - - return &ACE_Static_Object_Lock_lock->object (); - } - else - // Return the preallocated ACE_STATIC_OBJECT_LOCK. - return - ACE_Managed_Object<ACE_Recursive_Thread_Mutex>::get_preallocated_object - (ACE_Object_Manager::ACE_STATIC_OBJECT_LOCK); -} - -void -ACE_Static_Object_Lock::cleanup_lock (void) -{ -# if defined(ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK) - // It was malloc'd, so we need to explicitly call the dtor - // and then free the memory. - ACE_DES_FREE (ACE_Static_Object_Lock_lock, - ACE_OS::free, - ACE_Static_Object_Lock_Type); -# else /* ! ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK */ - delete ACE_Static_Object_Lock_lock; -# endif /* ! ACE_SHOULD_MALLOC_STATIC_OBJECT_LOCK */ - ACE_Static_Object_Lock_lock = 0; -} -#endif /* ACE_HAS_THREADS */ - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -# if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - template class ACE_Cleanup_Adapter<ACE_Null_Mutex>; - template class ACE_Cleanup_Adapter<ACE_Mutex>; - template class ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex>; - template class ACE_Cleanup_Adapter<ACE_Thread_Mutex>; - template class ACE_Managed_Object<ACE_Null_Mutex>; - template class ACE_Managed_Object<ACE_Mutex>; - template class ACE_Managed_Object<ACE_Recursive_Thread_Mutex>; - template class ACE_Managed_Object<ACE_Thread_Mutex>; -# endif /* ACE_MT_SAFE */ - template class ACE_Cleanup_Adapter<ACE_SYNCH_RW_MUTEX>; - template class ACE_Managed_Object<ACE_SYNCH_RW_MUTEX>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -# if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) -# pragma instantiate ACE_Cleanup_Adapter<ACE_Null_Mutex> -# pragma instantiate ACE_Cleanup_Adapter<ACE_Mutex> -# pragma instantiate ACE_Cleanup_Adapter<ACE_Recursive_Thread_Mutex> -# pragma instantiate ACE_Cleanup_Adapter<ACE_Thread_Mutex> -# pragma instantiate ACE_Managed_Object<ACE_Null_Mutex> -# pragma instantiate ACE_Managed_Object<ACE_Mutex> -# pragma instantiate ACE_Managed_Object<ACE_Recursive_Thread_Mutex> -# pragma instantiate ACE_Managed_Object<ACE_Thread_Mutex> -# endif /* ACE_MT_SAFE */ -# pragma instantiate ACE_Cleanup_Adapter<ACE_SYNCH_RW_MUTEX> -# pragma instantiate ACE_Managed_Object<ACE_SYNCH_RW_MUTEX> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |