component_common.h

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/* Copyright (c) 2020, 2023, Oracle and/or its affiliates.
 
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
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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 */
 
#ifndef COMPONENT_COMMON_H
#define COMPONENT_COMMON_H
 
#include <cstddef>  // size_t
 
#define PSI_DOCUMENT_ME ""
 
/**
  Singleton flag.
  This flag indicate that an instrumentation point is a singleton.
*/
#define PSI_FLAG_SINGLETON (1 << 0)
 
template <class T, size_t N>
constexpr size_t array_elements(T (&)[N]) noexcept {
  return N;
}
 
#endif /* COMPONENT_COMMON_H */