// -*- C++ -*-
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//
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// Copyright (C) 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 2, or (at your option) any later
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// version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// 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 library; see the file COPYING. If not, write to
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// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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// MA 02111-1307, USA.
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// As a special exception, you may use this file as part of a free
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// software library without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to
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// produce an executable, this file does not by itself cause the
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// resulting executable to be covered by the GNU General Public
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// License. This exception does not however invalidate any other
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// reasons why the executable file might be covered by the GNU General
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// Public License.
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/** @file profile/impl/profiler_state.h
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* @brief Global profiler state.
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*/
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// Written by Lixia Liu and Silvius Rus.
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#ifndef _GLIBCXX_PROFILE_PROFILER_STATE_H
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#define _GLIBCXX_PROFILE_PROFILER_STATE_H 1
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namespace __gnu_profile
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{
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enum __state_type { __ON, __OFF, __INVALID };
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_GLIBCXX_PROFILE_DEFINE_DATA(__state_type, __state, __INVALID);
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inline bool __turn(__state_type __s)
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{
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return (_GLIBCXX_PROFILE_DATA(__state)
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== __sync_val_compare_and_swap(&_GLIBCXX_PROFILE_DATA(__state),
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__INVALID, __s));
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}
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inline bool __turn_on()
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{ return __turn(__ON); }
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inline bool __turn_off()
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{ return __turn(__OFF); }
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inline bool __is_on()
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{ return _GLIBCXX_PROFILE_DATA(__state) == __ON; }
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inline bool __is_off()
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{ return _GLIBCXX_PROFILE_DATA(__state) == __OFF; }
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inline bool __is_invalid()
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{ return _GLIBCXX_PROFILE_DATA(__state) == __INVALID; }
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} // end namespace __gnu_profile
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#endif /* _GLIBCXX_PROFILE_PROFILER_STATE_H */
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