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
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
|
// -*- C++ -*-
//=============================================================================
/**
* @file Thread_Pool.h
*
* $Id$
*
* @author Irfan Pyarali
*/
// ===================================================================
#ifndef TAO_THREAD_POOL_H
#define TAO_THREAD_POOL_H
#include /**/ "ace/pre.h"
#include "tao/orbconf.h"
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#define TAO_RTCORBA_SAFE_INCLUDE
#include "RTCORBAC.h"
#undef TAO_RTCORBA_SAFE_INCLUDE
#include "ace/Hash_Map_Manager.h"
#include "tao/Thread_Lane_Resources.h"
#include "tao/New_Leader_Generator.h"
#include "ace/Task.h"
#include "ace/Null_Mutex.h"
class TAO_Thread_Lane;
/**
* @class TAO_RT_New_Leader_Generator
*
* @brief Class for creating dynamic threads.
*
* \nosubgrouping
*
**/
class TAO_RTCORBA_Export TAO_RT_New_Leader_Generator
: public TAO_New_Leader_Generator
{
public:
/// Constructor.
TAO_RT_New_Leader_Generator (TAO_Thread_Lane &lane);
/// Leader/Follower class uses this method to notify the system that
/// we are out of leaders.
void no_leaders_available (void);
private:
/// Lane associated with this leader generator.
TAO_Thread_Lane &lane_;
};
/**
* @class TAO_Thread_Pool_Threads
*
* @brief Class representing a thread running in a thread lane.
*
* \nosubgrouping
*
**/
class TAO_RTCORBA_Export TAO_Thread_Pool_Threads : public ACE_Task_Base
{
public:
/// Constructor.
TAO_Thread_Pool_Threads (TAO_Thread_Lane &lane);
/// Method executed when a thread is spawned.
int svc (void);
/// Accessor to the lane to which this thread belongs to.
TAO_Thread_Lane &lane (void) const;
/// Set TSS resources for the current thread.
static void set_tss_resources (TAO_ORB_Core &orb_core,
TAO_Thread_Lane &thread_lane);
private:
/// Lane to which this thread belongs to.
TAO_Thread_Lane &lane_;
};
class TAO_Thread_Pool;
/**
* @class TAO_Thread_Lane
*
* @brief Class representing the thread lane inside a thread pool.
*
* \nosubgrouping
*
**/
class TAO_RTCORBA_Export TAO_Thread_Lane
{
public:
/// Constructor.
TAO_Thread_Lane (TAO_Thread_Pool &pool,
CORBA::ULong id,
CORBA::Short lane_priority,
CORBA::ULong static_threads,
CORBA::ULong dynamic_threads
ACE_ENV_ARG_DECL);
/// Destructor.
~TAO_Thread_Lane (void);
/// Open the lane.
void open (ACE_ENV_SINGLE_ARG_DECL);
/// Finalize the resources.
void finalize (void);
/// Shutdown the reactor.
void shutdown_reactor (void);
/// Wait for threads to exit.
void wait (void);
/// Does @a mprofile belong to us?
int is_collocated (const TAO_MProfile &mprofile);
/// Create the static threads - only called once.
int create_static_threads (void);
/// Create @a number_of_threads of dynamic threads. Can be called
/// multiple times.
int create_dynamic_threads (CORBA::ULong number_of_threads);
/// @name Accessors
// @{
TAO_Thread_Pool &pool (void) const;
CORBA::ULong id (void) const;
CORBA::Short lane_priority (void) const;
CORBA::ULong static_threads (void) const;
CORBA::ULong dynamic_threads (void) const;
CORBA::ULong current_threads (void) const;
void current_threads (CORBA::ULong);
CORBA::Short native_priority (void) const;
TAO_Thread_Pool_Threads &threads (void);
TAO_Thread_Lane_Resources &resources (void);
// @}
private:
/// Validate lane's priority and map it to a native value.
void validate_and_map_priority (ACE_ENV_SINGLE_ARG_DECL);
TAO_Thread_Pool &pool_;
CORBA::ULong id_;
CORBA::Short lane_priority_;
CORBA::ULong static_threads_;
CORBA::ULong dynamic_threads_;
CORBA::ULong current_threads_;
TAO_Thread_Pool_Threads threads_;
TAO_RT_New_Leader_Generator new_thread_generator_;
TAO_Thread_Lane_Resources resources_;
CORBA::Short native_priority_;
};
class TAO_Thread_Pool_Manager;
/**
* @class TAO_Thread_Pool
*
* @brief Class representing the thread pool inside a thread pool
* manager.
*
* \nosubgrouping
*
**/
class TAO_RTCORBA_Export TAO_Thread_Pool
{
friend class TAO_Thread_Lane;
public:
/// Constructor (for pools without lanes).
TAO_Thread_Pool (TAO_Thread_Pool_Manager &manager,
CORBA::ULong id,
CORBA::ULong stack_size,
CORBA::ULong static_threads,
CORBA::ULong dynamic_threads,
CORBA::Short default_priority,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL);
/// Constructor (for pools with lanes).
TAO_Thread_Pool (TAO_Thread_Pool_Manager &manager,
CORBA::ULong id,
CORBA::ULong stack_size,
const RTCORBA::ThreadpoolLanes &lanes,
CORBA::Boolean allow_borrowing,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL);
/// Destructor.
~TAO_Thread_Pool (void);
/// Open the pool.
void open (ACE_ENV_SINGLE_ARG_DECL);
/// Finalize the resources.
void finalize (void);
/// Shutdown the reactor.
void shutdown_reactor (void);
/// Wait for threads to exit.
void wait (void);
/// Does @a mprofile belong to us?
int is_collocated (const TAO_MProfile &mprofile);
/// Create the static threads - only called once.
int create_static_threads (void);
/// Check if this thread pool has (explicit) lanes.
int with_lanes (void) const;
/// @name Accessors
// @{
TAO_Thread_Pool_Manager &manager (void) const;
CORBA::ULong id (void) const;
CORBA::ULong stack_size (void) const;
CORBA::Boolean allow_borrowing (void) const;
CORBA::Boolean allow_request_buffering (void) const;
CORBA::ULong max_buffered_requests (void) const;
CORBA::ULong max_request_buffer_size (void) const;
TAO_Thread_Lane **lanes (void);
CORBA::ULong number_of_lanes (void) const;
// @}
private:
TAO_Thread_Pool_Manager &manager_;
CORBA::ULong id_;
CORBA::ULong stack_size_;
CORBA::Boolean allow_borrowing_;
CORBA::Boolean allow_request_buffering_;
CORBA::ULong max_buffered_requests_;
CORBA::ULong max_request_buffer_size_;
TAO_Thread_Lane **lanes_;
CORBA::ULong number_of_lanes_;
int with_lanes_;
};
class TAO_ORB_Core;
/**
* @class TAO_Thread_Pool_Manager
*
* @brief Class for managing thread pools.
*
* \nosubgrouping
*
**/
class TAO_RTCORBA_Export TAO_Thread_Pool_Manager
{
public:
/// Constructor.
TAO_Thread_Pool_Manager (TAO_ORB_Core &orb_core);
/// Destructor.
~TAO_Thread_Pool_Manager (void);
/// Finalize the resources.
void finalize (void);
/// Shutdown the reactor.
void shutdown_reactor (void);
/// Wait for threads to exit.
void wait (void);
/// Does @a mprofile belong to us?
int is_collocated (const TAO_MProfile &mprofile);
/// Create a threadpool without lanes.
RTCORBA::ThreadpoolId
create_threadpool (CORBA::ULong stacksize,
CORBA::ULong static_threads,
CORBA::ULong dynamic_threads,
RTCORBA::Priority default_priority,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
/// Create a threadpool with lanes.
RTCORBA::ThreadpoolId
create_threadpool_with_lanes (CORBA::ULong stacksize,
const RTCORBA::ThreadpoolLanes & lanes,
CORBA::Boolean allow_borrowing,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
/// Destroy a threadpool.
void destroy_threadpool (RTCORBA::ThreadpoolId threadpool
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RTCORBA::RTORB::InvalidThreadpool));
/// Collection of thread pools.
typedef ACE_Hash_Map_Manager<RTCORBA::ThreadpoolId, TAO_Thread_Pool *, ACE_Null_Mutex> THREAD_POOLS;
/// @name Accessors
// @{
ACE_SYNCH_MUTEX &lock (void);
TAO_ORB_Core &orb_core (void) const;
THREAD_POOLS &thread_pools (void);
// @}
private:
/// @name Helpers
// @{
RTCORBA::ThreadpoolId
create_threadpool_i (CORBA::ULong stacksize,
CORBA::ULong static_threads,
CORBA::ULong dynamic_threads,
RTCORBA::Priority default_priority,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
RTCORBA::ThreadpoolId
create_threadpool_with_lanes_i (CORBA::ULong stacksize,
const RTCORBA::ThreadpoolLanes & lanes,
CORBA::Boolean allow_borrowing,
CORBA::Boolean allow_request_buffering,
CORBA::ULong max_buffered_requests,
CORBA::ULong max_request_buffer_size
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
void destroy_threadpool_i (RTCORBA::ThreadpoolId threadpool
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RTCORBA::RTORB::InvalidThreadpool));
RTCORBA::ThreadpoolId
create_threadpool_helper (TAO_Thread_Pool *thread_pool
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
// @}
TAO_ORB_Core &orb_core_;
THREAD_POOLS thread_pools_;
RTCORBA::ThreadpoolId thread_pool_id_counter_;
ACE_SYNCH_MUTEX lock_;
};
#endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */
#include /**/ "ace/post.h"
#endif /* TAO_THREAD_POOL_H */
|
