1*e4b17023SJohn Marino // -*- C++ -*- 2*e4b17023SJohn Marino // 3*e4b17023SJohn Marino // Copyright (C) 2009, 2010, 2012 Free Software Foundation, Inc. 4*e4b17023SJohn Marino // 5*e4b17023SJohn Marino // This file is part of the GNU ISO C++ Library. This library is free 6*e4b17023SJohn Marino // software; you can redistribute it and/or modify it under the 7*e4b17023SJohn Marino // terms of the GNU General Public License as published by the 8*e4b17023SJohn Marino // Free Software Foundation; either version 3, or (at your option) 9*e4b17023SJohn Marino // any later version. 10*e4b17023SJohn Marino // 11*e4b17023SJohn Marino // This library is distributed in the hope that it will be useful, 12*e4b17023SJohn Marino // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*e4b17023SJohn Marino // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*e4b17023SJohn Marino // GNU General Public License for more details. 15*e4b17023SJohn Marino 16*e4b17023SJohn Marino // Under Section 7 of GPL version 3, you are granted additional 17*e4b17023SJohn Marino // permissions described in the GCC Runtime Library Exception, version 18*e4b17023SJohn Marino // 3.1, as published by the Free Software Foundation. 19*e4b17023SJohn Marino 20*e4b17023SJohn Marino // You should have received a copy of the GNU General Public License along 21*e4b17023SJohn Marino // with this library; see the file COPYING3. If not see 22*e4b17023SJohn Marino // <http://www.gnu.org/licenses/>. 23*e4b17023SJohn Marino 24*e4b17023SJohn Marino /** @file profile/impl/profiler_state.h 25*e4b17023SJohn Marino * @brief Global profiler state. 26*e4b17023SJohn Marino */ 27*e4b17023SJohn Marino 28*e4b17023SJohn Marino // Written by Lixia Liu and Silvius Rus. 29*e4b17023SJohn Marino 30*e4b17023SJohn Marino #ifndef _GLIBCXX_PROFILE_PROFILER_STATE_H 31*e4b17023SJohn Marino #define _GLIBCXX_PROFILE_PROFILER_STATE_H 1 32*e4b17023SJohn Marino 33*e4b17023SJohn Marino namespace __gnu_profile 34*e4b17023SJohn Marino { 35*e4b17023SJohn Marino enum __state_type { __ON, __OFF, __INVALID }; 36*e4b17023SJohn Marino 37*e4b17023SJohn Marino _GLIBCXX_PROFILE_DEFINE_DATA(__state_type, __state, __INVALID); 38*e4b17023SJohn Marino 39*e4b17023SJohn Marino inline bool __turn(__state_type __s)40*e4b17023SJohn Marino __turn(__state_type __s) 41*e4b17023SJohn Marino { 42*e4b17023SJohn Marino __state_type inv(__INVALID); 43*e4b17023SJohn Marino return __atomic_compare_exchange_n(&_GLIBCXX_PROFILE_DATA(__state), 44*e4b17023SJohn Marino &inv, __s, false, __ATOMIC_ACQ_REL, 45*e4b17023SJohn Marino __ATOMIC_RELAXED); 46*e4b17023SJohn Marino } 47*e4b17023SJohn Marino 48*e4b17023SJohn Marino inline bool __turn_on()49*e4b17023SJohn Marino __turn_on() 50*e4b17023SJohn Marino { return __turn(__ON); } 51*e4b17023SJohn Marino 52*e4b17023SJohn Marino inline bool __turn_off()53*e4b17023SJohn Marino __turn_off() 54*e4b17023SJohn Marino { return __turn(__OFF); } 55*e4b17023SJohn Marino 56*e4b17023SJohn Marino inline bool __is_on()57*e4b17023SJohn Marino __is_on() 58*e4b17023SJohn Marino { return _GLIBCXX_PROFILE_DATA(__state) == __ON; } 59*e4b17023SJohn Marino 60*e4b17023SJohn Marino inline bool __is_off()61*e4b17023SJohn Marino __is_off() 62*e4b17023SJohn Marino { return _GLIBCXX_PROFILE_DATA(__state) == __OFF; } 63*e4b17023SJohn Marino 64*e4b17023SJohn Marino inline bool __is_invalid()65*e4b17023SJohn Marino __is_invalid() 66*e4b17023SJohn Marino { return _GLIBCXX_PROFILE_DATA(__state) == __INVALID; } 67*e4b17023SJohn Marino 68*e4b17023SJohn Marino } // end namespace __gnu_profile 69*e4b17023SJohn Marino #endif /* _GLIBCXX_PROFILE_PROFILER_STATE_H */ 70