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// $Id$
// Local_Memory_Pool.cpp
#include "ace/Local_Memory_Pool.h"
#include "ace/Auto_Ptr.h"
#include "ace/OS_Memory.h"
#include "ace/Log_Msg.h"
ACE_RCSID(ace, Local_Memory_Pool, "$Id$")
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_Local_Memory_Pool)
void
ACE_Local_Memory_Pool::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_Local_Memory_Pool::dump");
#endif /* ACE_HAS_DUMP */
}
ACE_Local_Memory_Pool::ACE_Local_Memory_Pool (const ACE_TCHAR *,
const OPTIONS *)
{
ACE_TRACE ("ACE_Local_Memory_Pool::ACE_Local_Memory_Pool");
}
ACE_Local_Memory_Pool::~ACE_Local_Memory_Pool (void)
{
// Free up all memory allocated by this pool.
this->release ();
}
// Ask system for initial chunk of local memory.
void *
ACE_Local_Memory_Pool::init_acquire (size_t nbytes,
size_t &rounded_bytes,
int &first_time)
{
ACE_TRACE ("ACE_Local_Memory_Pool::init_acquire");
// Note that we assume that when ACE_Local_Memory_Pool is used,
// ACE_Malloc's constructor will only get called once. If this
// assumption doesn't hold, we are in deep trouble!
first_time = 1;
return this->acquire (nbytes, rounded_bytes);
}
void *
ACE_Local_Memory_Pool::acquire (size_t nbytes,
size_t &rounded_bytes)
{
ACE_TRACE ("ACE_Local_Memory_Pool::acquire");
rounded_bytes = this->round_up (nbytes);
char *temp = 0;
ACE_NEW_RETURN (temp,
char[rounded_bytes],
0);
ACE_Auto_Basic_Array_Ptr<char> cp (temp);
if (this->allocated_chunks_.insert (cp.get ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("(%P|%t) insertion into set failed\n")),
0);
return cp.release ();
}
int
ACE_Local_Memory_Pool::release (int)
{
ACE_TRACE ("ACE_Local_Memory_Pool::release");
// Zap the memory we allocated.
for (ACE_Unbounded_Set<char *>::iterator i = this->allocated_chunks_.begin ();
i != this->allocated_chunks_.end ();
++i)
delete [] *i;
this->allocated_chunks_.reset ();
return 0;
}
int
ACE_Local_Memory_Pool::sync (ssize_t, int)
{
ACE_TRACE ("ACE_Local_Memory_Pool::sync");
return 0;
}
int
ACE_Local_Memory_Pool::sync (void *, size_t, int)
{
ACE_TRACE ("ACE_Local_Memory_Pool::sync");
return 0;
}
int
ACE_Local_Memory_Pool::protect (ssize_t, int)
{
ACE_TRACE ("ACE_Local_Memory_Pool::protect");
return 0;
}
int
ACE_Local_Memory_Pool::protect (void *, size_t, int)
{
ACE_TRACE ("ACE_Local_Memory_Pool::protect");
return 0;
}
#if defined (ACE_WIN32)
int
ACE_Local_Memory_Pool::seh_selector (void *)
{
return 0;
// Continue propagate the structural exception up.
}
#endif /* ACE_WIN32 */
int
ACE_Local_Memory_Pool::remap (void *)
{
return 0;
// Not much can be done.
}
void *
ACE_Local_Memory_Pool::base_addr (void) const
{
return 0;
}
// Let the underlying new operator figure out the alignment...
size_t
ACE_Local_Memory_Pool::round_up (size_t nbytes)
{
ACE_TRACE ("ACE_Local_Memory_Pool::round_up");
return ACE::round_to_pagesize (static_cast<off_t> (nbytes));
}
ACE_END_VERSIONED_NAMESPACE_DECL
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