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