Current File : //usr/include/mysql/server/private/sql_alloc.h
#ifndef SQL_ALLOC_INCLUDED
#define SQL_ALLOC_INCLUDED
/* Copyright (c) 2000, 2012, Oracle and/or its affiliates.
Copyright (c) 2017, 2018, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <my_sys.h> /* alloc_root, MEM_ROOT, TRASH */
THD *thd_get_current_thd();
/* mysql standard class memory allocator */
class Sql_alloc
{
public:
static void *operator new(size_t size) throw ()
{
return thd_alloc(thd_get_current_thd(), size);
}
static void *operator new[](size_t size) throw ()
{
return thd_alloc(thd_get_current_thd(), size);
}
static void *operator new[](size_t size, MEM_ROOT *mem_root) throw ()
{ return alloc_root(mem_root, size); }
static void *operator new(size_t size, MEM_ROOT *mem_root) throw()
{ return alloc_root(mem_root, size); }
static void operator delete(void *ptr, size_t size) { TRASH_FREE(ptr, size); }
static void operator delete(void *, MEM_ROOT *){}
static void operator delete[](void *, MEM_ROOT *)
{ /* never called */ }
static void operator delete[](void *ptr, size_t size) { TRASH_FREE(ptr, size); }
#ifdef HAVE_valgrind
bool dummy_for_valgrind;
inline Sql_alloc() :dummy_for_valgrind(0) {}
#else
inline Sql_alloc() {}
#endif
inline ~Sql_alloc() {}
};
#endif /* SQL_ALLOC_INCLUDED */
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