51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef MALLOC_HOOK_H
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#define MALLOC_HOOK_H
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#include "lib/alloc/alloc_struct.h"
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extern void init_malloc_hook();
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inline bool& in_hook()
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{
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thread_local bool in_hook = false;
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return in_hook;
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}
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namespace oceanbase
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{
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namespace lib
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{
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class ObMallocHookAttrGuard
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{
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public:
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ObMallocHookAttrGuard(ObMemAttr& attr)
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: old_attr_(tl_mem_attr)
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{
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tl_mem_attr = attr;
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}
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~ObMallocHookAttrGuard()
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{
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tl_mem_attr = old_attr_;
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}
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static ObMemAttr get_tl_mem_attr()
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{
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return tl_mem_attr;
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}
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private:
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static thread_local ObMemAttr tl_mem_attr;
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ObMemAttr old_attr_;
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};
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}
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}
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#endif /* MALLOC_HOOK_H */
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