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