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Diffstat (limited to 'ace/Malloc_Allocator.cpp')
| -rw-r--r-- | ace/Malloc_Allocator.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/ace/Malloc_Allocator.cpp b/ace/Malloc_Allocator.cpp deleted file mode 100644 index 43827a958d7..00000000000 --- a/ace/Malloc_Allocator.cpp +++ /dev/null @@ -1,172 +0,0 @@ -// $Id$ - -// FILENAME -// Malloc_Allocator.cpp -// -// AUTHOR -// Priyanka Gontla <pgontla@uci.edu> -// -// ========================================================================== - -#if !defined (ACE_MALLOC_ALLOCATOR_CPP) -#define ACE_MALLOC_ALLOCATOR_CPP - -#include "ace/Malloc_Allocator.h" -#include "ace/Object_Manager.h" - -#if !defined (__ACE_INLINE__) -#include "ace/Malloc_Allocator.i" -#endif /* __ACE_INLINE__ */ - -#include "ace/Synch_T.h" - -ACE_RCSID (ace, Malloc_Allocator, "$Id$") - -ACE_Allocator * -ACE_Allocator::instance (void) -{ - // ACE_TRACE ("ACE_Allocator::instance"); - - if (ACE_Allocator::allocator_ == 0) - { - // Perform Double-Checked Locking Optimization. - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, - *ACE_Static_Object_Lock::instance (), 0)); - - if (ACE_Allocator::allocator_ == 0) - { - // Have a seat. We want to avoid ever having to delete the - // ACE_Allocator instance, to avoid shutdown order - // dependencies. ACE_New_Allocator never needs to be - // destroyed: its destructor is empty and its instance - // doesn't have any state. Therefore, sizeof - // ACE_New_Allocator is equal to sizeof void *. It's - // instance just contains a pointer to its virtual function - // table. - // - // So, we allocate space for the ACE_New_Allocator instance - // in the data segment. Because its size is the same as - // that of a pointer, we allocate it as a pointer so that it - // doesn't get constructed statically. We never bother to - // destroy it. - static void *allocator_instance = 0; - - // Check this critical assumption. We put it in a variable - // first to avoid stupid compiler warnings that the - // condition may always be true/false. -# if !defined (ACE_NDEBUG) - int assertion = (sizeof allocator_instance == - sizeof (ACE_New_Allocator)); - ACE_ASSERT (assertion); -# endif /* !ACE_NDEBUG */ - - // Initialize the allocator_instance by using a placement - // new. The ACE_NEW_RETURN below doesn't actually allocate - // a new instance. It just initializes it in place. - ACE_NEW_RETURN (ACE_Allocator::allocator_, - (&allocator_instance) ACE_New_Allocator, - 0); - // If we ever need to cast the address of - // allocator_instance, then expand the ACE_NEW_RETURN above - // as follows . . . - // - // ACE_Allocator::allocator_ = - // (ACE_New_Allocator *) - // new (&allocator_instance) ACE_New_Allocator; - } - } - - return ACE_Allocator::allocator_; -} - -ACE_Allocator * -ACE_Allocator::instance (ACE_Allocator *r) -{ - ACE_TRACE ("ACE_Allocator::instance"); - ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, - *ACE_Static_Object_Lock::instance (), 0)); - ACE_Allocator *t = ACE_Allocator::allocator_; - - // We can't safely delete it since we don't know who created it! - ACE_Allocator::delete_allocator_ = 0; - - ACE_Allocator::allocator_ = r; - return t; -} - -void -ACE_Allocator::close_singleton (void) -{ - ACE_TRACE ("ACE_Allocator::close_singleton"); - - ACE_MT (ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon, - *ACE_Static_Object_Lock::instance ())); - - if (ACE_Allocator::delete_allocator_) - { - // This should never be executed.... See the - // ACE_Allocator::instance (void) method for an explanation. - delete ACE_Allocator::allocator_; - ACE_Allocator::allocator_ = 0; - ACE_Allocator::delete_allocator_ = 0; - } -} - -ACE_Allocator::~ACE_Allocator (void) -{ - ACE_TRACE ("ACE_Allocator::~ACE_Allocator"); -} - -ACE_Allocator::ACE_Allocator (void) -{ - ACE_TRACE ("ACE_Allocator::ACE_Allocator"); -} - -void -ACE_Static_Allocator_Base::dump (void) const -{ - ACE_TRACE ("ACE_Static_Allocator_Base::dump"); - - ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\noffset_ = %d"), this->offset_)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\nsize_ = %d\n"), this->size_)); - ACE_HEX_DUMP ((LM_DEBUG, this->buffer_, this->size_)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\n"))); - - ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); -} - -#if defined (ACE_HAS_MALLOC_STATS) -ACE_Malloc_Stats::ACE_Malloc_Stats (void) - : nblocks_ (0), - nchunks_ (0), - ninuse_ (0) -{ - ACE_TRACE ("ACE_Malloc_Stats::ACE_Malloc_Stats"); -} - -void -ACE_Malloc_Stats::dump (void) const -{ - ACE_TRACE ("ACE_Malloc_Stats::dump"); - - ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); - int nblocks = this->nblocks_.value (); - int ninuse = this->ninuse_.value (); - int nchunks = this->nchunks_.value (); - - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT("nblocks = %d"), nblocks)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT("\nninuse = %d"), ninuse)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT("\nnchunks = %d"), nchunks)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT("\n"))); - ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -template class ACE_Atomic_Op<ACE_PROCESS_MUTEX, int>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Atomic_Op<ACE_PROCESS_MUTEX, int> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ -#endif /* ACE_HAS_MALLOC_STATS */ - -#endif /* ACE_MALLOC_ALLOCATOR_CPP */ |