Skip to content
Navigation Menu
{{ message }}
forked from boostorg/thread
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy paththread_data.hpp
More file actions
283 lines (245 loc) · 8.91 KB
/
Copy paththread_data.hpp
File metadata and controls
283 lines (245 loc) · 8.91 KB
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
#ifndef BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
#define BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright 2007 Anthony Williams
// (C) Copyright 2011-2012 Vicente J. Botet Escriba
#include <boost/thread/detail/config.hpp>
#include <boost/thread/exceptions.hpp>
#include <boost/thread/lock_guard.hpp>
#include <boost/thread/lock_types.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/pthread/condition_variable_fwd.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/assert.hpp>
#ifdef BOOST_THREAD_USES_CHRONO
#include <boost/chrono/system_clocks.hpp>
#endif
#include <map>
#include <vector>
#include <utility>
#if defined(__ANDROID__)
#include <asm/page.h> // http://code.google.com/p/android/issues/detail?id=39983
#endif
#include <pthread.h>
#include <unistd.h>
#include <boost/config/abi_prefix.hpp>
namespace boost
{
class thread_attributes {
public:
thread_attributes() BOOST_NOEXCEPT {
int res = pthread_attr_init(&val_);
BOOST_VERIFY(!res && "pthread_attr_init failed");
}
~thread_attributes() {
int res = pthread_attr_destroy(&val_);
BOOST_VERIFY(!res && "pthread_attr_destroy failed");
}
// stack
void set_stack_size(std::size_t size) BOOST_NOEXCEPT {
if (size==0) return;
std::size_t page_size = getpagesize();
#ifdef PTHREAD_STACK_MIN
if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
#endif
size = ((size+page_size-1)/page_size)*page_size;
int res = pthread_attr_setstacksize(&val_, size);
BOOST_VERIFY(!res && "pthread_attr_setstacksize failed");
}
std::size_t get_stack_size() const BOOST_NOEXCEPT {
std::size_t size;
int res = pthread_attr_getstacksize(&val_, &size);
BOOST_VERIFY(!res && "pthread_attr_getstacksize failed");
return size;
}
#define BOOST_THREAD_DEFINES_THREAD_ATTRIBUTES_NATIVE_HANDLE
typedef pthread_attr_t native_handle_type;
native_handle_type* native_handle() BOOST_NOEXCEPT {
return &val_;
}
const native_handle_type* native_handle() const BOOST_NOEXCEPT {
return &val_;
}
private:
pthread_attr_t val_;
};
class thread;
namespace detail
{
struct shared_state_base;
struct tss_cleanup_function;
struct thread_exit_callback_node;
struct tss_data_node
{
boost::shared_ptr<boost::detail::tss_cleanup_function> func;
void* value;
tss_data_node(boost::shared_ptr<boost::detail::tss_cleanup_function> func_,
void* value_):
func(func_),value(value_)
{}
};
struct thread_data_base;
typedef boost::shared_ptr<thread_data_base> thread_data_ptr;
struct BOOST_THREAD_DECL thread_data_base:
enable_shared_from_this<thread_data_base>
{
thread_data_ptr self;
pthread_t thread_handle;
boost::mutex data_mutex;
boost::condition_variable done_condition;
boost::mutex sleep_mutex;
boost::condition_variable sleep_condition;
bool done;
bool join_started;
bool joined;
boost::detail::thread_exit_callback_node* thread_exit_callbacks;
std::map<void const*,boost::detail::tss_data_node> tss_data;
pthread_mutex_t* cond_mutex;
pthread_cond_t* current_cond;
typedef std::vector<std::pair<condition_variable*, mutex*>
//, hidden_allocator<std::pair<condition_variable*, mutex*> >
> notify_list_t;
notify_list_t notify;
typedef std::vector<shared_ptr<shared_state_base> > async_states_t;
async_states_t async_states_;
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
// These data must be at the end so that the access to the other fields doesn't change
// when BOOST_THREAD_PROVIDES_INTERRUPTIONS is defined.
// Another option is to have them always
bool interrupt_enabled;
bool interrupt_requested;
//#endif
thread_data_base():
thread_handle(0),
done(false),join_started(false),joined(false),
thread_exit_callbacks(0),
cond_mutex(0),
current_cond(0),
notify(),
async_states_()
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
, interrupt_enabled(true)
, interrupt_requested(false)
//#endif
{}
virtual ~thread_data_base();
typedef pthread_t native_handle_type;
virtual void run()=0;
virtual void notify_all_at_thread_exit(condition_variable* cv, mutex* m)
{
notify.push_back(std::pair<condition_variable*, mutex*>(cv, m));
}
void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
{
async_states_.push_back(as);
}
};
BOOST_THREAD_DECL thread_data_base* get_current_thread_data();
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
class interruption_checker
{
thread_data_base* const thread_info;
pthread_mutex_t* m;
bool set;
void check_for_interruption()
{
#ifndef BOOST_NO_EXCEPTIONS
if(thread_info->interrupt_requested)
{
thread_info->interrupt_requested=false;
throw thread_interrupted(); // BOOST_NO_EXCEPTIONS protected
}
#endif
}
void operator=(interruption_checker&);
public:
explicit interruption_checker(pthread_mutex_t* cond_mutex,pthread_cond_t* cond):
thread_info(detail::get_current_thread_data()),m(cond_mutex),
set(thread_info && thread_info->interrupt_enabled)
{
if(set)
{
lock_guard<mutex> guard(thread_info->data_mutex);
check_for_interruption();
thread_info->cond_mutex=cond_mutex;
thread_info->current_cond=cond;
BOOST_VERIFY(!pthread_mutex_lock(m));
}
else
{
BOOST_VERIFY(!pthread_mutex_lock(m));
}
}
~interruption_checker()
{
if(set)
{
BOOST_VERIFY(!pthread_mutex_unlock(m));
lock_guard<mutex> guard(thread_info->data_mutex);
thread_info->cond_mutex=NULL;
thread_info->current_cond=NULL;
}
else
{
BOOST_VERIFY(!pthread_mutex_unlock(m));
}
}
};
#endif
}
namespace this_thread
{
namespace hiden
{
void BOOST_THREAD_DECL sleep_for(const timespec& ts);
void BOOST_THREAD_DECL sleep_until(const timespec& ts);
}
#ifdef BOOST_THREAD_USES_CHRONO
#ifdef BOOST_THREAD_SLEEP_FOR_IS_STEADY
inline
void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
{
return boost::this_thread::hiden::sleep_for(boost::detail::to_timespec(ns));
}
#endif
#endif // BOOST_THREAD_USES_CHRONO
namespace no_interruption_point
{
namespace hiden
{
void BOOST_THREAD_DECL sleep_for(const timespec& ts);
void BOOST_THREAD_DECL sleep_until(const timespec& ts);
}
#ifdef BOOST_THREAD_USES_CHRONO
#ifdef BOOST_THREAD_SLEEP_FOR_IS_STEADY
inline
void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
{
return boost::this_thread::no_interruption_point::hiden::sleep_for(boost::detail::to_timespec(ns));
}
#endif
#endif // BOOST_THREAD_USES_CHRONO
} // no_interruption_point
void BOOST_THREAD_DECL yield() BOOST_NOEXCEPT;
#if defined BOOST_THREAD_USES_DATETIME
#ifdef __DECXXX
/// Workaround of DECCXX issue of incorrect template substitution
template<>
#endif
inline void sleep(system_time const& abs_time)
{
return boost::this_thread::hiden::sleep_until(boost::detail::to_timespec(abs_time));
}
template<typename TimeDuration>
inline BOOST_SYMBOL_VISIBLE void sleep(TimeDuration const& rel_time)
{
this_thread::sleep(get_system_time()+rel_time);
}
#endif // BOOST_THREAD_USES_DATETIME
} // this_thread
}
#include <boost/config/abi_suffix.hpp>
#endif
You can’t perform that action at this time.