1 mike 1.2 //%/////////////////////////////////////////////////////////////////////////////
2 //
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3 kumpf 1.17 // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
4 // The Open Group, Tivoli Systems
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5 mike 1.2 //
6 // Permission is hereby granted, free of charge, to any person obtaining a copy
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7 chip 1.11 // of this software and associated documentation files (the "Software"), to
8 // deal in the Software without restriction, including without limitation the
9 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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10 mike 1.2 // sell copies of the Software, and to permit persons to whom the Software is
11 // furnished to do so, subject to the following conditions:
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12 kumpf 1.17 //
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13 chip 1.11 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
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14 mike 1.2 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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16 chip 1.11 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
17 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
18 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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19 mike 1.2 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 //
22 //==============================================================================
23 //
24 // Author: Mike Day (mdday@us.ibm.com)
25 //
26 // Modified By: Rudy Schuet (rudy.schuet@compaq.com) 11/12/01
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27 chip 1.11 // added nsk platform support
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28 mike 1.2 //
29 //%/////////////////////////////////////////////////////////////////////////////
30
31 #include "Thread.h"
32 #include <Pegasus/Common/IPC.h>
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33 kumpf 1.14 #include <Pegasus/Common/Tracer.h>
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34 mike 1.2
35 #if defined(PEGASUS_OS_TYPE_WINDOWS)
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36 chip 1.11 # include "ThreadWindows.cpp"
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37 mike 1.2 #elif defined(PEGASUS_OS_TYPE_UNIX)
38 # include "ThreadUnix.cpp"
39 #elif defined(PEGASUS_OS_TYPE_NSK)
40 # include "ThreadNsk.cpp"
41 #else
42 # error "Unsupported platform"
43 #endif
44
45 PEGASUS_NAMESPACE_BEGIN
46
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47 chip 1.11 void thread_data::default_delete(void * data)
48 {
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49 mike 1.2 if( data != NULL)
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50 chip 1.11 ::operator delete(data);
|
51 mike 1.2 }
52
53 Boolean Thread::_signals_blocked = false;
54
55 // for non-native implementations
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56 chip 1.11 #ifndef PEGASUS_THREAD_CLEANUP_NATIVE
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57 mike 1.2 void Thread::cleanup_push( void (*routine)(void *), void *parm) throw(IPCException)
58 {
59 cleanup_handler *cu = new cleanup_handler(routine, parm);
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60 chip 1.11 try
61 {
62 _cleanup.insert_first(cu);
63 }
64 catch(IPCException&)
|
65 mike 1.2 {
66 delete cu;
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67 chip 1.11 throw;
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68 mike 1.2 }
69 return;
70 }
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71 chip 1.11
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72 mike 1.2 void Thread::cleanup_pop(Boolean execute) throw(IPCException)
73 {
74 cleanup_handler *cu ;
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75 chip 1.11 try
76 {
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77 mike 1.2 cu = _cleanup.remove_first() ;
78 }
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79 chip 1.11 catch(IPCException&)
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80 mike 1.2 {
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81 chip 1.11 PEGASUS_ASSERT(0);
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82 mike 1.2 }
83 if(execute == true)
84 cu->execute();
85 delete cu;
86 }
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87 chip 1.11
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88 mike 1.2 #endif
89
90
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91 kumpf 1.8 //thread_data *Thread::put_tsd(const Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value) throw(IPCException)
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92 mike 1.2
93
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94 chip 1.11 #ifndef PEGASUS_THREAD_EXIT_NATIVE
95 void Thread::exit_self(PEGASUS_THREAD_RETURN exit_code)
96 {
97 // execute the cleanup stack and then return
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98 mike 1.2 while( _cleanup.count() )
99 {
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100 chip 1.11 try
101 {
102 cleanup_pop(true);
103 }
104 catch(IPCException&)
105 {
106 PEGASUS_ASSERT(0);
107 break;
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108 mike 1.2 }
109 }
110 _exit_code = exit_code;
111 exit_thread(exit_code);
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112 mday 1.4 _handle.thid = 0;
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113 mike 1.2 }
114
115
116 #endif
117
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118 mday 1.20 DQueue<ThreadPool> ThreadPool::_pools(true);
119
120
121 void ThreadPool::kill_idle_threads(void)
122 {
123 static struct timeval now, last = {0, 0};
124
125 pegasus_gettimeofday(&now);
126 if(now.tv_sec - last.tv_sec > 5)
127 {
128 _pools.lock();
129 ThreadPool *p = _pools.next(0);
130 while(p != 0)
131 {
132 try
133 {
134 p->kill_dead_threads();
135 }
136 catch(...)
137 {
138 }
139 mday 1.20 p = _pools.next(p);
140 }
141 _pools.unlock();
142 pegasus_gettimeofday(&last);
143 }
144 }
145
146
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147 mike 1.2 ThreadPool::ThreadPool(Sint16 initial_size,
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148 kumpf 1.8 const Sint8 *key,
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149 mike 1.2 Sint16 min,
150 Sint16 max,
151 struct timeval & alloc_wait,
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152 chip 1.11 struct timeval & dealloc_wait,
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153 mike 1.2 struct timeval & deadlock_detect)
154 : _max_threads(max), _min_threads(min),
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155 mday 1.12 _current_threads(0),
156 _pool(true), _running(true),
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157 mike 1.2 _dead(true), _dying(0)
158 {
159 _allocate_wait.tv_sec = alloc_wait.tv_sec;
160 _allocate_wait.tv_usec = alloc_wait.tv_usec;
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161 chip 1.11 _deallocate_wait.tv_sec = dealloc_wait.tv_sec;
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162 mike 1.2 _deallocate_wait.tv_usec = dealloc_wait.tv_usec;
163 _deadlock_detect.tv_sec = deadlock_detect.tv_sec;
164 _deadlock_detect.tv_usec = deadlock_detect.tv_usec;
165 memset(_key, 0x00, 17);
166 if(key != 0)
167 strncpy(_key, key, 16);
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168 mday 1.21 if(_max_threads > 0 && _max_threads < initial_size)
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169 mike 1.2 _max_threads = initial_size;
170 if(_min_threads > initial_size)
171 _min_threads = initial_size;
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172 chip 1.11
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173 mike 1.2 int i;
174 for(i = 0; i < initial_size; i++)
175 {
176 _link_pool(_init_thread());
177 }
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178 mday 1.20 _pools.insert_last(this);
179
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180 mike 1.2 }
181
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182 chip 1.11
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183 mike 1.2
184 ThreadPool::~ThreadPool(void)
185 {
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186 mday 1.35 try
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187 chip 1.11 {
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188 mday 1.35 _pools.remove(this);
189 _dying++;
190 Thread *th = 0;
191 th = _pool.remove_first();
192 while(th != 0)
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193 mike 1.2 {
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194 mday 1.35 Semaphore *sleep_sem = (Semaphore *)th->reference_tsd("sleep sem");
195
196 if(sleep_sem == 0)
197 {
198 th->dereference_tsd();
199 throw NullPointer();
200 }
201
202 sleep_sem->signal();
203 sleep_sem->signal();
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204 mike 1.2 th->dereference_tsd();
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205 mday 1.35 // signal the thread's sleep semaphore
206 th->cancel();
207 th->join();
208 th->empty_tsd();
209 delete th;
210 th = _pool.remove_first();
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211 mike 1.2 }
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212 chip 1.11
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213 mday 1.35 th = _running.remove_first();
214 while(th != 0)
215 {
216 // signal the thread's sleep semaphore
217 th->cancel();
218 th->join();
219 th->empty_tsd();
220 delete th;
221 th = _running.remove_first();
222 }
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223 mike 1.2
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224 mday 1.35 th = _dead.remove_first();
225 while(th != 0)
226 {
227 // signal the thread's sleep semaphore
228 th->cancel();
229 th->join();
230 th->empty_tsd();
231 delete th;
232 th = _dead.remove_first();
233 }
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234 mike 1.2 }
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235 mday 1.35 catch(...)
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236 mike 1.2 {
237 }
238 }
239
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240 chip 1.11 // make this static to the class
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241 mike 1.2 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL ThreadPool::_loop(void *parm)
242 {
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243 kumpf 1.14 PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop");
244
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245 mike 1.2 Thread *myself = (Thread *)parm;
246 if(myself == 0)
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247 kumpf 1.14 {
248 PEG_METHOD_EXIT();
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249 mike 1.2 throw NullPointer();
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250 kumpf 1.14 }
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251 mike 1.2 ThreadPool *pool = (ThreadPool *)myself->get_parm();
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252 kumpf 1.14 if(pool == 0 )
253 {
254 PEG_METHOD_EXIT();
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255 mike 1.2 throw NullPointer();
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256 kumpf 1.14 }
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257 mike 1.5 Semaphore *sleep_sem = 0;
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258 mday 1.13 Semaphore *blocking_sem = 0;
259
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260 mike 1.5 struct timeval *deadlock_timer = 0;
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261 chip 1.11
262 try
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263 mike 1.2 {
264 sleep_sem = (Semaphore *)myself->reference_tsd("sleep sem");
265 myself->dereference_tsd();
266 deadlock_timer = (struct timeval *)myself->reference_tsd("deadlock timer");
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267 mday 1.22 myself->dereference_tsd();
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268 mike 1.2 }
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269 mike 1.6 catch(IPCException &)
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270 mike 1.2 {
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271 kumpf 1.14 PEG_METHOD_EXIT();
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272 mike 1.2 myself->exit_self(0);
273 }
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274 mday 1.30 catch(...)
275 {
276 PEG_METHOD_EXIT();
277 myself->exit_self(0);
278 }
279
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280 mike 1.2 if(sleep_sem == 0 || deadlock_timer == 0)
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281 kumpf 1.14 {
282 PEG_METHOD_EXIT();
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283 mike 1.2 throw NullPointer();
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284 kumpf 1.14 }
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285 mike 1.2
286 while(pool->_dying < 1)
287 {
288 sleep_sem->wait();
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289 mday 1.35
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290 mike 1.2 // when we awaken we reside on the running queue, not the pool queue
291 if(pool->_dying > 0)
292 break;
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293 chip 1.11
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294 mike 1.5 PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *) = 0;
295 void *parm = 0;
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296 mike 1.2
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297 chip 1.11 try
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298 mike 1.2 {
299 _work = (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) \
300 myself->reference_tsd("work func");
301 myself->dereference_tsd();
302 parm = myself->reference_tsd("work parm");
303 myself->dereference_tsd();
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304 mday 1.13 blocking_sem = (Semaphore *)myself->reference_tsd("blocking sem");
305 myself->dereference_tsd();
306
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307 mike 1.2 }
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308 mike 1.6 catch(IPCException &)
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309 mike 1.2 {
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310 kumpf 1.14 PEG_METHOD_EXIT();
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311 mike 1.2 myself->exit_self(0);
312 }
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313 chip 1.11
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314 mike 1.2 if(_work == 0)
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315 kumpf 1.14 {
316 PEG_METHOD_EXIT();
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317 mike 1.2 throw NullPointer();
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318 kumpf 1.14 }
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319 kumpf 1.24
320 if(_work ==
321 (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) &_undertaker)
322 {
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323 mday 1.23 _work(parm);
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324 kumpf 1.24 }
325
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326 mike 1.2 gettimeofday(deadlock_timer, NULL);
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327 mday 1.20 try
328 {
329 _work(parm);
330 }
331 catch(...)
332 {
333 gettimeofday(deadlock_timer, NULL);
334 }
335 gettimeofday(deadlock_timer, NULL);
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336 mday 1.13 if( blocking_sem != 0 )
337 blocking_sem->signal();
338
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339 chip 1.11 // put myself back onto the available list
340 try
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341 mike 1.2 {
342 pool->_running.remove((void *)myself);
343 pool->_link_pool(myself);
344 }
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345 mike 1.6 catch(IPCException &)
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346 mike 1.2 {
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347 kumpf 1.14 PEG_METHOD_EXIT();
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348 mike 1.2 myself->exit_self(0);
349 }
350 }
351 // wait to be awakend by the thread pool destructor
352 sleep_sem->wait();
353 myself->test_cancel();
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354 kumpf 1.14
355 PEG_METHOD_EXIT();
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356 mike 1.2 myself->exit_self(0);
357 return((PEGASUS_THREAD_RETURN)0);
358 }
359
360 void ThreadPool::allocate_and_awaken(void *parm,
361 PEGASUS_THREAD_RETURN \
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362 mday 1.13 (PEGASUS_THREAD_CDECL *work)(void *),
363 Semaphore *blocking)
364
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365 mike 1.2 throw(IPCException)
366 {
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367 kumpf 1.14 PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::allocate_and_awaken");
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368 mike 1.2 struct timeval start;
369 gettimeofday(&start, NULL);
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370 chip 1.11
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371 mike 1.2 Thread *th = _pool.remove_first();
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372 mday 1.12
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373 mday 1.7 // wait for the right interval and try again
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374 mday 1.33 while (th == 0 && _dying < 1)
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375 mike 1.2 {
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376 mday 1.12 _check_deadlock(&start) ;
377
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378 mday 1.21 if(_max_threads == 0 || _current_threads < _max_threads)
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379 mday 1.35 {
380 th = _init_thread();
381 continue;
382 }
383 pegasus_yield();
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384 mday 1.7 th = _pool.remove_first();
385 }
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386 chip 1.11
387
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388 mike 1.2 if(_dying < 1)
389 {
390 // initialize the thread data with the work function and parameters
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391 kumpf 1.14 Tracer::trace(TRC_THREAD, Tracer::LEVEL4,
392 "Initializing thread with work function and parameters: parm = %p",
393 parm);
394
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395 kumpf 1.15 th->delete_tsd("work func");
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396 chip 1.11 th->put_tsd("work func", NULL,
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397 mike 1.2 sizeof( PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)),
398 (void *)work);
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399 kumpf 1.15 th->delete_tsd("work parm");
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400 mike 1.2 th->put_tsd("work parm", NULL, sizeof(void *), parm);
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401 kumpf 1.15 th->delete_tsd("blocking sem");
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402 mday 1.13 if(blocking != 0 )
403 th->put_tsd("blocking sem", NULL, sizeof(Semaphore *), blocking);
404
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405 chip 1.11 // put the thread on the running list
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406 mike 1.2 _running.insert_first(th);
407
408 // signal the thread's sleep semaphore to awaken it
409 Semaphore *sleep_sem = (Semaphore *)th->reference_tsd("sleep sem");
410
411 if(sleep_sem == 0)
412 {
413 th->dereference_tsd();
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414 kumpf 1.14 PEG_METHOD_EXIT();
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415 mike 1.2 throw NullPointer();
416 }
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417 kumpf 1.14 Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "Signal thread to awaken");
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418 mike 1.2 sleep_sem->signal();
419 th->dereference_tsd();
420 }
421 else
422 _pool.insert_first(th);
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423 kumpf 1.14
424 PEG_METHOD_EXIT();
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425 mike 1.2 }
426
427 // caller is responsible for only calling this routine during slack periods
428 // but should call it at least once per _deadlock_detect with the running q
429 // and at least once per _deallocate_wait for the pool q
430
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431 mday 1.12 Uint32 ThreadPool::kill_dead_threads(void)
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432 mike 1.2 throw(IPCException)
433 {
434 struct timeval now;
435 gettimeofday(&now, NULL);
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436 mday 1.12 Uint32 bodies = 0;
437
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438 mike 1.2 // first go thread the dead q and clean it up as much as possible
439 while(_dead.count() > 0)
440 {
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441 mday 1.34 Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "ThreadPool:: removing and joining dead thread");
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442 mike 1.2 Thread *dead = _dead.remove_first();
443 if(dead == 0)
444 throw NullPointer();
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445 mday 1.30 dead->join();
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446 mike 1.2 delete dead;
447 }
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448 chip 1.11
449 DQueue<Thread> * map[2] =
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450 mike 1.2 {
451 &_pool, &_running
452 };
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453 chip 1.11
454
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455 mike 1.2 DQueue<Thread> *q = 0;
456 int i = 0;
457 AtomicInt needed(0);
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458 chip 1.11
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459 kumpf 1.31 #ifdef PEGASUS_DISABLE_KILLING_HUNG_THREADS
460 // This change prevents the thread pool from killing "hung" threads.
461 // The definition of a "hung" thread is one that has been on the run queue
462 // for longer than the time interval set when the thread pool was created.
463 // Cancelling "hung" threads has proven to be problematic.
464
465 // With this change the thread pool will not cancel "hung" threads. This
466 // may prevent a crash depending upon the state of the "hung" thread. In
467 // the case that the thread is actually hung, this change causes the
468 // thread resources not to be reclaimed.
469
470 // Idle threads, those that have not executed a routine for a time
471 // interval, continue to be destroyed. This is normal and should not
472 // cause any problems.
473 for( ; i < 1; i++)
474 #else
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475 mday 1.30 for( ; i < 2; i++)
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476 kumpf 1.31 #endif
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477 mday 1.21 {
478 q = map[i];
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479 mike 1.2 if(q->count() > 0 )
480 {
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481 chip 1.11 try
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482 mike 1.2 {
483 q->try_lock();
484 }
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485 mday 1.18 catch(...)
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486 mike 1.2 {
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487 mday 1.18 return bodies;
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488 mike 1.2 }
489
490 struct timeval dt = { 0, 0 };
491 struct timeval *dtp;
492 Thread *th = 0;
493 th = q->next(th);
494 while (th != 0 )
495 {
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496 chip 1.11 try
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497 mike 1.2 {
498 dtp = (struct timeval *)th->try_reference_tsd("deadlock timer");
499 }
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500 mday 1.18 catch(...)
|
501 mike 1.2 {
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502 kumpf 1.25 q->unlock();
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503 mday 1.18 return bodies;
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504 mike 1.2 }
|
505 chip 1.11
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506 mike 1.2 if(dtp != 0)
507 {
508 memcpy(&dt, dtp, sizeof(struct timeval));
509 }
510 th->dereference_tsd();
511 struct timeval deadlock_timeout;
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512 mday 1.18 Boolean too_long;
513 if( i == 0)
514 {
515 too_long = check_time(&dt, get_deallocate_wait(&deadlock_timeout));
516 }
517 else
518 {
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519 mday 1.22 too_long = check_time(&dt, get_deadlock_detect(&deadlock_timeout));
|
520 mday 1.18 }
521
522 if( true == too_long)
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523 mike 1.2 {
524 // if we are deallocating from the pool, escape if we are
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525 chip 1.11 // down to the minimum thread count
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526 mday 1.13 _current_threads--;
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527 mday 1.18 if( _current_threads.value() < (Uint32)_min_threads )
|
528 mike 1.2 {
|
529 mday 1.13 if( i == 0)
|
530 mike 1.2 {
|
531 mday 1.13 _current_threads++;
|
532 mike 1.2 th = q->next(th);
533 continue;
534 }
|
535 chip 1.11 else
|
536 mike 1.2 {
|
537 chip 1.11 // we are killing a hung thread and we will drop below the
|
538 mike 1.2 // minimum. create another thread to make up for the one
539 // we are about to kill
540 needed++;
541 }
542 }
|
543 chip 1.11
|
544 mike 1.2 th = q->remove_no_lock((void *)th);
|
545 chip 1.11
|
546 mike 1.2 if(th != 0)
547 {
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548 mday 1.30 if( i == 0 )
|
549 mike 1.2 {
|
550 mday 1.30 th->delete_tsd("work func");
551 th->put_tsd("work func", NULL,
552 sizeof( PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)),
553 (void *)&_undertaker);
554 th->delete_tsd("work parm");
555 th->put_tsd("work parm", NULL, sizeof(void *), th);
556
557 // signal the thread's sleep semaphore to awaken it
558 Semaphore *sleep_sem = (Semaphore *)th->reference_tsd("sleep sem");
559
560 if(sleep_sem == 0)
561 {
562 q->unlock();
563 th->dereference_tsd();
564 throw NullPointer();
565 }
566
567 bodies++;
|
568 mike 1.2 th->dereference_tsd();
|
569 mday 1.30 _dead.insert_first(th);
570 sleep_sem->signal();
571 th = 0;
572 }
573 else
574 {
575 // deadlocked threads
|
576 mday 1.34 Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "Killing a deadlocked thread");
|
577 mday 1.30 th->cancel();
578 delete th;
|
579 mike 1.2 }
580 }
581 }
582 th = q->next(th);
|
583 mday 1.20 pegasus_sleep(1);
|
584 mike 1.2 }
585 q->unlock();
586 while (needed.value() > 0)
587 {
588 _link_pool(_init_thread());
589 needed--;
|
590 mday 1.20 pegasus_sleep(0);
|
591 mike 1.2 }
592 }
593 }
|
594 mday 1.18 return bodies;
|
595 mike 1.2 }
596
|
597 mday 1.12
|
598 mike 1.2 Boolean ThreadPool::check_time(struct timeval *start, struct timeval *interval)
599 {
|
600 mday 1.22 // never time out if the interval is zero
601 if(interval && interval->tv_sec == 0 && interval->tv_usec == 0)
602 return false;
603
|
604 mday 1.36 struct timeval now, finish, remaining ;
|
605 mday 1.13 Uint32 usec;
|
606 mday 1.33 pegasus_gettimeofday(&now);
|
607 mday 1.36 /* remove valgrind error */
608 pegasus_gettimeofday(&remaining);
609
|
610 mday 1.13
611 finish.tv_sec = start->tv_sec + interval->tv_sec;
612 usec = start->tv_usec + interval->tv_usec;
613 finish.tv_sec += (usec / 1000000);
614 usec %= 1000000;
615 finish.tv_usec = usec;
616
617 if ( timeval_subtract(&remaining, &finish, &now) )
|
618 mike 1.2 return true;
619 else
620 return false;
621 }
622
623 PEGASUS_THREAD_RETURN ThreadPool::_undertaker( void *parm )
624 {
|
625 mday 1.30 exit_thread((PEGASUS_THREAD_RETURN)1);
626 return (PEGASUS_THREAD_RETURN)1;
|
627 mike 1.2 }
|
628 mday 1.19
629
630 void ThreadPool::_sleep_sem_del(void *p)
631 {
632 if(p != 0)
633 {
634 delete (Semaphore *)p;
635 }
636 }
637
638 void ThreadPool::_check_deadlock(struct timeval *start) throw(Deadlock)
639 {
640 if (true == check_time(start, &_deadlock_detect))
641 throw Deadlock(pegasus_thread_self());
642 return;
643 }
644
645
646 Boolean ThreadPool::_check_deadlock_no_throw(struct timeval *start)
647 {
648 return(check_time(start, &_deadlock_detect));
649 mday 1.19 }
650
651 Boolean ThreadPool::_check_dealloc(struct timeval *start)
652 {
653 return(check_time(start, &_deallocate_wait));
654 }
655
656 Thread *ThreadPool::_init_thread(void) throw(IPCException)
657 {
658 Thread *th = (Thread *) new Thread(_loop, this, false);
659 // allocate a sleep semaphore and pass it in the thread context
660 // initial count is zero, loop function will sleep until
661 // we signal the semaphore
662 Semaphore *sleep_sem = (Semaphore *) new Semaphore(0);
663 th->put_tsd("sleep sem", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem);
664
665 struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval));
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666 mday 1.35 pegasus_gettimeofday(dldt);
667
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668 mday 1.19 th->put_tsd("deadlock timer", thread_data::default_delete, sizeof(struct timeval), (void *)dldt);
669 // thread will enter _loop(void *) and sleep on sleep_sem until we signal it
670 th->run();
671 _current_threads++;
672 pegasus_yield();
673
674 return th;
675 }
676
677 void ThreadPool::_link_pool(Thread *th) throw(IPCException)
678 {
679 if(th == 0)
680 throw NullPointer();
681 _pool.insert_first(th);
682 }
683
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684 mike 1.2
685
686 PEGASUS_NAMESPACE_END
687
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Return to
Thread.cpp
CVS log
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