MySQL 9.0.0
Source Code Documentation
component_common.h
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1/* Copyright (c) 2020, 2024, Oracle and/or its affiliates.
2
3This program is free software; you can redistribute it and/or modify
4it under the terms of the GNU General Public License, version 2.0,
5as published by the Free Software Foundation.
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7This program is designed to work with certain software (including
8but not limited to OpenSSL) that is licensed under separate terms,
9as designated in a particular file or component or in included license
10documentation. The authors of MySQL hereby grant you an additional
11permission to link the program and your derivative works with the
12separately licensed software that they have either included with
13the program or referenced in the documentation.
14
15This program is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18GNU General Public License, version 2.0, for more details.
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20You should have received a copy of the GNU General Public License
21along with this program; if not, write to the Free Software
22Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef COMPONENT_COMMON_H
25#define COMPONENT_COMMON_H
26
27#include <cstddef> // size_t
28
29#define PSI_DOCUMENT_ME ""
30
31/**
32 Singleton flag.
33 This flag indicate that an instrumentation point is a singleton.
34*/
35#define PSI_FLAG_SINGLETON (1 << 0)
36
37template <class T, size_t N>
38constexpr size_t array_elements(T (&)[N]) noexcept {
39 return N;
40}
41
42#endif /* COMPONENT_COMMON_H */
constexpr size_t array_elements(T(&)[N]) noexcept
Definition: component_common.h:38
std::atomic< Type > N
Definition: ut0counter.h:225