56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/* Copyright (c) 2018, 2021, Alibaba and/or its affiliates. All rights reserved.
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2.0,
|
|
as published by the Free Software Foundation.
|
|
This program is also distributed with certain software (including
|
|
but not limited to OpenSSL) that is licensed under separate terms,
|
|
as designated in a particular file or component or in included license
|
|
documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
|
|
additional permission to link the program and your derivative works with the
|
|
separately licensed software that they have included with
|
|
MySQL/PolarDB-X Engine.
|
|
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, version 2.0, 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" // MY_WME
|
|
#include "mysql/service_mysql_alloc.h" // my_malloc
|
|
|
|
/**
|
|
Memory detector for PPS by PFS
|
|
*/
|
|
extern PSI_memory_key key_memory_PPS;
|
|
|
|
/* Allocate the object */
|
|
template <typename T>
|
|
T *allocate_object() {
|
|
void *ptr = nullptr;
|
|
T *obj = nullptr;
|
|
|
|
ptr = my_malloc(key_memory_PPS, sizeof(T), MYF(MY_WME | ME_FATALERROR));
|
|
|
|
if (ptr) obj = new (ptr) T();
|
|
return obj;
|
|
}
|
|
|
|
/* Dellocate the object */
|
|
template <typename T>
|
|
void destroy_object(T *obj) {
|
|
if (obj) {
|
|
obj->~T();
|
|
my_free(obj);
|
|
}
|
|
}
|
|
|
|
/* PPS all statistic object deleter */
|
|
template <typename T>
|
|
class PPS_element_deleter {
|
|
public:
|
|
void operator()(T *t) const { destroy_object<T>(t); }
|
|
};
|