mirror of git://gcc.gnu.org/git/gcc.git
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// -*- 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 PROFCXX_PROFILER_STATE_H__
|
|
#define PROFCXX_PROFILER_STATE_H__ 1
|
|
|
|
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
|
#include <cstdio>
|
|
#else
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
namespace __gnu_profile
|
|
{
|
|
|
|
/** @brief Profiling mode on/off state. */
|
|
template <int _Unused=0>
|
|
class __state
|
|
{
|
|
public:
|
|
|
|
static __state<_Unused>* _S_diag_state;
|
|
|
|
__state() : _M_state(__INVALID) {}
|
|
~__state() {}
|
|
|
|
bool __is_on() { return _M_state == __ON; }
|
|
bool __is_off() { return _M_state == __OFF; }
|
|
bool __is_invalid() { return _M_state == __INVALID; }
|
|
void __turn_on() { _M_state = __ON; }
|
|
void __turn_off() { _M_state = __OFF; }
|
|
|
|
private:
|
|
enum __state_type { __ON, __OFF, __INVALID };
|
|
__state_type _M_state;
|
|
};
|
|
|
|
template <int _Unused>
|
|
__state<_Unused>* __state<_Unused>::_S_diag_state = NULL;
|
|
|
|
inline bool __is_on()
|
|
{
|
|
return __state<0>::_S_diag_state && __state<0>::_S_diag_state->__is_on();
|
|
}
|
|
|
|
inline bool __is_off()
|
|
{
|
|
return __state<0>::_S_diag_state && __state<0>::_S_diag_state->__is_off();
|
|
}
|
|
|
|
inline bool __is_invalid()
|
|
{
|
|
return (!__state<0>::_S_diag_state
|
|
|| __state<0>::_S_diag_state->__is_invalid());
|
|
}
|
|
|
|
inline void __turn_on()
|
|
{
|
|
if (!__state<0>::_S_diag_state) {
|
|
__state<0>::_S_diag_state = new __state<0>();
|
|
}
|
|
__state<0>::_S_diag_state->__turn_on();
|
|
}
|
|
|
|
inline void __turn_off()
|
|
{
|
|
if (!__state<0>::_S_diag_state) {
|
|
__state<0>::_S_diag_state = new __state<0>();
|
|
}
|
|
__state<0>::_S_diag_state->__turn_off();
|
|
}
|
|
|
|
} // end namespace __gnu_profile
|
|
#endif /* PROFCXX_PROFILER_STATE_H__ */
|