1#ifndef SQL_ALLOC_INCLUDED
2#define SQL_ALLOC_INCLUDED
3/* Copyright (c) 2000, 2012, Oracle and/or its affiliates.
4 Copyright (c) 2017, 2018, MariaDB Corporation.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; version 2 of the License.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
18
19#include <my_sys.h> /* alloc_root, MEM_ROOT, TRASH */
20
21THD *thd_get_current_thd();
22
23/* mysql standard class memory allocator */
24
25class Sql_alloc
26{
27public:
28 static void *operator new(size_t size) throw ()
29 {
30 return thd_alloc(thd_get_current_thd(), size);
31 }
32 static void *operator new[](size_t size) throw ()
33 {
34 return thd_alloc(thd_get_current_thd(), size);
35 }
36 static void *operator new[](size_t size, MEM_ROOT *mem_root) throw ()
37 { return alloc_root(mem_root, size); }
38 static void *operator new(size_t size, MEM_ROOT *mem_root) throw()
39 { return alloc_root(mem_root, size); }
40 static void operator delete(void *ptr, size_t size) { TRASH_FREE(ptr, size); }
41 static void operator delete(void *, MEM_ROOT *){}
42 static void operator delete[](void *, MEM_ROOT *)
43 { /* never called */ }
44 static void operator delete[](void *ptr, size_t size) { TRASH_FREE(ptr, size); }
45#ifdef HAVE_valgrind
46 bool dummy_for_valgrind;
47 inline Sql_alloc() :dummy_for_valgrind(0) {}
48#else
49 inline Sql_alloc() {}
50#endif
51 inline ~Sql_alloc() {}
52};
53#endif /* SQL_ALLOC_INCLUDED */
54