// -*- C++ -*-
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//
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// Copyright (C) 2009-2017 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
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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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
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__turn(__state_type __s)
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{
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__state_type inv(__INVALID);
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return __atomic_compare_exchange_n(&_GLIBCXX_PROFILE_DATA(__state),
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&inv, __s, false, __ATOMIC_ACQ_REL,
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__ATOMIC_RELAXED);
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}
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inline bool
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__turn_on()
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{ return __turn(__ON); }
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inline bool
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__turn_off()
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{ return __turn(__OFF); }
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inline bool
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__is_on()
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{ return _GLIBCXX_PROFILE_DATA(__state) == __ON; }
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inline bool
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__is_off()
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{ return _GLIBCXX_PROFILE_DATA(__state) == __OFF; }
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inline bool
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__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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