| 6554 |
serge |
1 |
// -*- C++ -*- |
|
|
2 |
// |
|
|
3 |
// Copyright (C) 2009-2015 Free Software Foundation, Inc. |
|
|
4 |
// |
|
|
5 |
// This file is part of the GNU ISO C++ Library. This library is free |
|
|
6 |
// software; you can redistribute it and/or modify it under the |
|
|
7 |
// terms of the GNU General Public License as published by the |
|
|
8 |
// Free Software Foundation; either version 3, or (at your option) |
|
|
9 |
// any later version. |
|
|
10 |
// |
|
|
11 |
// This library is distributed in the hope that it will be useful, |
|
|
12 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
13 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
|
14 |
// GNU General Public License for more details. |
|
|
15 |
|
|
|
16 |
// Under Section 7 of GPL version 3, you are granted additional |
|
|
17 |
// permissions described in the GCC Runtime Library Exception, version |
|
|
18 |
// 3.1, as published by the Free Software Foundation. |
|
|
19 |
|
|
|
20 |
// You should have received a copy of the GNU General Public License along |
|
|
21 |
// with this library; see the file COPYING3. If not see |
|
|
22 |
// . |
|
|
23 |
|
|
|
24 |
/** @file profile/impl/profiler_state.h |
|
|
25 |
* @brief Global profiler state. |
|
|
26 |
*/ |
|
|
27 |
|
|
|
28 |
// Written by Lixia Liu and Silvius Rus. |
|
|
29 |
|
|
|
30 |
#ifndef _GLIBCXX_PROFILE_PROFILER_STATE_H |
|
|
31 |
#define _GLIBCXX_PROFILE_PROFILER_STATE_H 1 |
|
|
32 |
|
|
|
33 |
namespace __gnu_profile |
|
|
34 |
{ |
|
|
35 |
enum __state_type { __ON, __OFF, __INVALID }; |
|
|
36 |
|
|
|
37 |
_GLIBCXX_PROFILE_DEFINE_DATA(__state_type, __state, __INVALID); |
|
|
38 |
|
|
|
39 |
inline bool |
|
|
40 |
__turn(__state_type __s) |
|
|
41 |
{ |
|
|
42 |
__state_type inv(__INVALID); |
|
|
43 |
return __atomic_compare_exchange_n(&_GLIBCXX_PROFILE_DATA(__state), |
|
|
44 |
&inv, __s, false, __ATOMIC_ACQ_REL, |
|
|
45 |
__ATOMIC_RELAXED); |
|
|
46 |
} |
|
|
47 |
|
|
|
48 |
inline bool |
|
|
49 |
__turn_on() |
|
|
50 |
{ return __turn(__ON); } |
|
|
51 |
|
|
|
52 |
inline bool |
|
|
53 |
__turn_off() |
|
|
54 |
{ return __turn(__OFF); } |
|
|
55 |
|
|
|
56 |
inline bool |
|
|
57 |
__is_on() |
|
|
58 |
{ return _GLIBCXX_PROFILE_DATA(__state) == __ON; } |
|
|
59 |
|
|
|
60 |
inline bool |
|
|
61 |
__is_off() |
|
|
62 |
{ return _GLIBCXX_PROFILE_DATA(__state) == __OFF; } |
|
|
63 |
|
|
|
64 |
inline bool |
|
|
65 |
__is_invalid() |
|
|
66 |
{ return _GLIBCXX_PROFILE_DATA(__state) == __INVALID; } |
|
|
67 |
|
|
|
68 |
} // end namespace __gnu_profile |
|
|
69 |
#endif /* _GLIBCXX_PROFILE_PROFILER_STATE_H */ |