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
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
|
// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#include <IceUtil/Thread.h>
#include <IceUtil/Exception.h>
using namespace std;
#ifdef WIN32
IceUtil::ThreadControl::ThreadControl() :
_handle(new HandleWrapper(0)),
_id(GetCurrentThreadId())
{
HANDLE proc = GetCurrentProcess();
HANDLE current = GetCurrentThread();
int rc = DuplicateHandle(proc, current, proc, &_handle->handle, SYNCHRONIZE, TRUE, 0);
if (rc == 0)
{
throw SyscallException(SyscallException::errorToString(GetLastError()), __FILE__, __LINE__);
}
}
IceUtil::ThreadControl::ThreadControl(const HandleWrapperPtr& handle, unsigned id) :
_handle(handle),
_id(id)
{
}
bool
IceUtil::ThreadControl::operator==(const ThreadControl& rhs) const
{
return _id == rhs._id;
}
bool
IceUtil::ThreadControl::operator!=(const ThreadControl& rhs) const
{
return _id != rhs._id;
}
bool
IceUtil::ThreadControl::operator<(const ThreadControl& rhs) const
{
return _id != rhs._id;
}
void
IceUtil::ThreadControl::join()
{
int rc = WaitForSingleObject(_handle->handle, INFINITE);
if (rc != WAIT_OBJECT_0)
{
throw SyscallException(SyscallException::errorToString(GetLastError()), __FILE__, __LINE__);
}
}
void
IceUtil::ThreadControl::sleep(long msec)
{
Sleep(msec);
}
void
IceUtil::ThreadControl::yield()
{
//
// A value of zero causes the thread to relinquish the remainder
// of its time slice to any other thread of equal priority that is
// ready to run.
//
Sleep(0);
}
IceUtil::Thread::Thread() :
_id(0),
_handle(new HandleWrapper(0))
{
}
IceUtil::Thread::~Thread()
{
}
static void*
startHook(void* arg)
{
try
{
IceUtil::Thread* rawThread = static_cast<IceUtil::Thread*>(arg);
//
// Ensure that the thread doesn't go away until run() has
// completed.
//
IceUtil::ThreadPtr thread = rawThread;
//
// See the comment in IceUtil::Thread::start() for details.
//
rawThread->__decRef();
thread->run();
}
catch(const IceUtil::Exception& e)
{
cerr << "IceUtil::Thread::run(): uncaught exception: ";
cerr << e << endl;
}
return 0;
}
#include <process.h>
IceUtil::ThreadControl
IceUtil::Thread::start()
{
//
// It's necessary to increment the reference count since
// pthread_create won't necessarily call the thread function until
// later. If the user does (new MyThread)->start() then the thread
// object could be deleted before the thread object takes
// ownership. It's also necessary to increment the reference count
// prior to calling pthread_create since the thread itself calls
// __decRef().
//
__incRef();
_handle->handle = (HANDLE)_beginthreadex(0, 0, (unsigned (__stdcall*)(void*))startHook, (LPVOID)this, 0, &_id);
if (_handle->handle == 0)
{
__decRef();
throw SyscallException(SyscallException::errorToString(GetLastError()), __FILE__, __LINE__);
}
return ThreadControl(_handle, _id);
}
IceUtil::ThreadControl
IceUtil::Thread::getThreadControl()
{
return ThreadControl(_handle, _id);
}
bool
IceUtil::Thread::operator==(const Thread& rhs) const
{
return _id == rhs._id;
}
bool
IceUtil::Thread::operator!=(const Thread& rhs) const
{
return _id != rhs._id;
}
bool
IceUtil::Thread::operator<(const Thread& rhs) const
{
return _id < rhs._id;
}
#else
IceUtil::ThreadControl::ThreadControl(pthread_t id) :
_id(id)
{
}
IceUtil::ThreadControl::ThreadControl() :
_id(pthread_self())
{
}
bool
IceUtil::ThreadControl::operator==(const ThreadControl& rhs) const
{
return pthread_equal(_id, rhs._id);
}
bool
IceUtil::ThreadControl::operator!=(const ThreadControl& rhs) const
{
return !pthread_equal(_id, rhs._id);
}
bool
IceUtil::ThreadControl::operator<(const ThreadControl& rhs) const
{
// NOTE: Linux specific
return _id < rhs._id;
}
void
IceUtil::ThreadControl::join()
{
void* ignore = 0;
int rc = pthread_join(_id, &ignore);
if (rc != 0)
{
throw SyscallException(strerror(rc), __FILE__, __LINE__);
}
}
void
IceUtil::ThreadControl::sleep(long msec)
{
struct timespec tv;
tv.tv_sec = msec/1000;
tv.tv_nsec = (msec % 1000)* 1000000;
nanosleep(&tv, 0);
}
void
IceUtil::ThreadControl::yield()
{
sched_yield();
}
IceUtil::Thread::Thread()
{
}
IceUtil::Thread::~Thread()
{
}
static void*
startHook(void* arg)
{
try
{
IceUtil::Thread* rawThread = static_cast<IceUtil::Thread*>(arg);
//
// Ensure that the thread doesn't go away until run() has
// completed.
//
IceUtil::ThreadPtr thread = rawThread;
//
// See the comment in IceUtil::Thread::start() for details.
//
rawThread->__decRef();
thread->run();
}
catch(const IceUtil::Exception& e)
{
cerr << "IceUtil::Thread::run(): uncaught exception: ";
cerr << e << endl;
}
return 0;
}
IceUtil::ThreadControl
IceUtil::Thread::start()
{
//
// It's necessary to increment the reference count since
// pthread_create won't necessarily call the thread function until
// later. If the user does (new MyThread)->start() then the thread
// object could be deleted before the thread object takes
// ownership. It's also necessary to increment the reference count
// prior to calling pthread_create since the thread itself calls
// __decRef().
//
__incRef();
int rc = pthread_create(&_id, 0, startHook, this);
if (rc != 0)
{
__decRef();
throw SyscallException(strerror(rc), __FILE__, __LINE__);
}
return ThreadControl(_id);
}
IceUtil::ThreadControl
IceUtil::Thread::getThreadControl()
{
return ThreadControl(_id);
}
bool
IceUtil::Thread::operator==(const Thread& rhs) const
{
return pthread_equal(_id, rhs._id);
}
bool
IceUtil::Thread::operator!=(const Thread& rhs) const
{
return !pthread_equal(_id, rhs._id);
}
bool
IceUtil::Thread::operator<(const Thread& rhs) const
{
// NOTE: Linux specific
return _id < rhs._id;
}
#endif
|
