1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// <condition_variable> -*- C++ -*-
// Copyright (C) 2008 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, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, 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 condition_variable
* This is a Standard C++ Library header.
*/
#ifndef _GLIBCXX_CONDITION_VARIABLE
#define _GLIBCXX_CONDITION_VARIABLE 1
#pragma GCC system_header
#ifndef __GXX_EXPERIMENTAL_CXX0X__
# include <c++0x_warning.h>
#else
#include <mutex> // unique_lock
namespace std
{
// XXX
class system_time;
/// condition_variable
class condition_variable
{
public:
#if __GTHREAD_HAS_COND
typedef __gthread_cond_t native_handle_type;
#else
typedef int native_handle_type;
#endif
condition_variable();
~condition_variable();
void
notify_one();
void
notify_all();
void
wait(unique_lock<mutex>& __lock);
template<typename _Predicate>
void
wait(unique_lock<mutex>& __lock, _Predicate __p)
{
while (!__p())
wait(__lock);
}
template<typename _Duration>
bool
timed_wait(unique_lock<mutex>& __lock, const _Duration& __rtime);
bool
timed_wait(unique_lock<mutex>& __lock, const system_time& __atime);
template<typename _Predicate>
bool
timed_wait(unique_lock<mutex>& __lock, const system_time& __atime,
_Predicate pred);
template<typename _Duration, typename _Predicate>
bool
timed_wait(unique_lock<mutex>& __lock, const _Duration& __rtime,
_Predicate pred);
native_handle_type
native_handle() { return _M_cond; }
private:
native_handle_type _M_cond;
condition_variable(const condition_variable&);
condition_variable& operator=(const condition_variable&);
};
/// condition_variable_any
// Like above, only mutex may not have try_lock.
class condition_variable_any
{
public:
#if __GTHREAD_HAS_COND
typedef __gthread_cond_t native_handle_type;
#else
typedef int native_handle_type;
#endif
condition_variable_any();
~condition_variable_any();
void
notify_one();
void
notify_all();
template<typename _Lock>
void
wait(_Lock& __lock);
template<typename _Lock, typename _Predicate>
void
wait(_Lock& __lock, _Predicate __p);
template<typename _Lock>
bool
timed_wait(_Lock& __lock, const system_time& __atime);
template<typename _Lock, typename _Duration>
bool
timed_wait(_Lock& __lock, const _Duration& __rtime);
template<typename _Lock, typename _Predicate>
bool
timed_wait(_Lock& __lock, const system_time& __atime, _Predicate __p);
template<typename _Lock, typename _Duration, typename _Predicate>
bool
timed_wait(_Lock& __lock, const _Duration& __rtime, _Predicate __p);
native_handle_type
native_handle() { return _M_cond; }
private:
native_handle_type _M_cond;
condition_variable_any(const condition_variable_any&);
condition_variable_any& operator=(const condition_variable_any&);
};
}
#endif // __GXX_EXPERIMENTAL_CXX0X__
#endif // _GLIBCXX_CONDITION_VARIABLE
|
