3 #include "xbt/xbt_os_thread.h"
5 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_smurf, simix,
6 "Logging specific to SIMIX (SMURF)");
8 /* Requests to handle at the end of this round of scheduling user processes */
9 static xbt_heap_t req_todo;
10 /* to protect the write actions in the heap */
11 static xbt_os_mutex_t sync_req_positions;
13 void SIMIX_request_init(void)
15 req_todo = xbt_heap_new(5,NULL);
16 sync_req_positions = xbt_os_mutex_init();
19 void SIMIX_request_destroy(void)
21 xbt_heap_free(req_todo);
22 xbt_os_mutex_destroy(sync_req_positions);
25 /* FIXME: we may want to save the initialization of issuer... */
26 XBT_INLINE smx_req_t SIMIX_req_mine() {
27 smx_process_t issuer = SIMIX_process_self();
28 return &issuer->request;
31 void SIMIX_request_push()
33 smx_process_t issuer = SIMIX_process_self();
34 if (issuer != simix_global->maestro_process){
35 issuer->request.issuer = issuer;
37 if (_surf_parallel_contexts)
38 xbt_os_mutex_acquire(sync_req_positions);
39 xbt_heap_push(req_todo,&issuer->request,issuer->pid);
40 if (_surf_parallel_contexts)
41 xbt_os_mutex_release(sync_req_positions);
43 DEBUG2("Yield process '%s' on request of type %d", issuer->name, issuer->request.call);
44 SIMIX_process_yield();
46 SIMIX_request_pre(&issuer->request);
50 smx_req_t SIMIX_request_pop(void)
52 return xbt_heap_pop(req_todo);
55 void SIMIX_request_answer(smx_req_t req)
57 if (req->issuer != simix_global->maestro_process){
58 req->issuer->request.call = REQ_NO_REQ;
59 xbt_swag_insert(req->issuer, simix_global->process_to_run);
63 int SIMIX_request_is_visible(smx_req_t req)
65 return req->call == REQ_COMM_ISEND
66 || req->call == REQ_COMM_IRECV
67 || req->call == REQ_COMM_WAIT
68 || req->call == REQ_COMM_WAITANY
69 || req->call == REQ_COMM_TEST;
72 int SIMIX_request_is_enabled(smx_req_t req)
74 unsigned int index = 0;
80 /* FIXME: check also that src and dst processes are not suspended */
81 if (req->comm_wait.comm->comm.src_proc
82 && req->comm_wait.comm->comm.dst_proc)
87 case REQ_COMM_WAITANY:
88 xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
89 if (act->comm.src_proc && act->comm.dst_proc){
102 void SIMIX_request_pre(smx_req_t req)
106 xbt_die("Asked to do the noop syscall");
109 case REQ_HOST_GET_BY_NAME:
110 req->host_get_by_name.result =
111 SIMIX_host_get_by_name(req->host_get_by_name.name);
112 SIMIX_request_answer(req);
115 case REQ_HOST_GET_NAME:
116 req->host_get_name.result = SIMIX_host_get_name(req->host_get_name.host);
117 SIMIX_request_answer(req);
120 case REQ_HOST_GET_PROPERTIES:
121 req->host_get_properties.result =
122 SIMIX_host_get_properties(req->host_get_properties.host);
123 SIMIX_request_answer(req);
126 case REQ_HOST_GET_SPEED:
127 req->host_get_speed.result =
128 SIMIX_host_get_speed(req->host_get_speed.host);
129 SIMIX_request_answer(req);
132 case REQ_HOST_GET_AVAILABLE_SPEED:
133 req->host_get_available_speed.result =
134 SIMIX_host_get_available_speed(req->host_get_available_speed.host);
135 SIMIX_request_answer(req);
138 case REQ_HOST_GET_STATE:
139 req->host_get_state.result =
140 SIMIX_host_get_state(req->host_get_state.host);
141 SIMIX_request_answer(req);
144 case REQ_HOST_GET_DATA:
145 req->host_get_data.result = SIMIX_host_get_data(req->host_get_data.host);
146 SIMIX_request_answer(req);
149 case REQ_HOST_SET_DATA:
150 SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
151 SIMIX_request_answer(req);
154 case REQ_HOST_EXECUTE:
155 req->host_execute.result = SIMIX_host_execute(
156 req->host_execute.name,
157 req->host_execute.host,
158 req->host_execute.computation_amount);
159 SIMIX_request_answer(req);
162 case REQ_HOST_PARALLEL_EXECUTE:
163 req->host_parallel_execute.result = SIMIX_host_parallel_execute(
164 req->host_parallel_execute.name,
165 req->host_parallel_execute.host_nb,
166 req->host_parallel_execute.host_list,
167 req->host_parallel_execute.computation_amount,
168 req->host_parallel_execute.communication_amount,
169 req->host_parallel_execute.amount,
170 req->host_parallel_execute.rate);
171 SIMIX_request_answer(req);
174 case REQ_HOST_EXECUTION_DESTROY:
175 SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
176 SIMIX_request_answer(req);
179 case REQ_HOST_EXECUTION_CANCEL:
180 SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
181 SIMIX_request_answer(req);
184 case REQ_HOST_EXECUTION_GET_REMAINS:
185 req->host_execution_get_remains.result =
186 SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
187 SIMIX_request_answer(req);
190 case REQ_HOST_EXECUTION_GET_STATE:
191 req->host_execution_get_state.result =
192 SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
193 SIMIX_request_answer(req);
196 case REQ_HOST_EXECUTION_SET_PRIORITY:
197 SIMIX_host_execution_set_priority(
198 req->host_execution_set_priority.execution,
199 req->host_execution_set_priority.priority);
200 SIMIX_request_answer(req);
203 case REQ_HOST_EXECUTION_WAIT:
204 SIMIX_pre_host_execution_wait(req);
207 case REQ_PROCESS_CREATE:
208 req->process_create.result = SIMIX_process_create(
209 req->process_create.name,
210 req->process_create.code,
211 req->process_create.data,
212 req->process_create.hostname,
213 req->process_create.argc,
214 req->process_create.argv,
215 req->process_create.properties);
216 SIMIX_request_answer(req);
219 case REQ_PROCESS_KILL:
220 SIMIX_process_kill(req->process_kill.process, req->issuer);
221 SIMIX_request_answer(req);
224 case REQ_PROCESS_CHANGE_HOST:
225 SIMIX_process_change_host(
226 req->process_change_host.process,
227 req->process_change_host.source,
228 req->process_change_host.dest);
229 SIMIX_request_answer(req);
232 case REQ_PROCESS_SUSPEND:
233 SIMIX_pre_process_suspend(req);
236 case REQ_PROCESS_RESUME:
237 SIMIX_process_resume(req->process_resume.process, req->issuer);
238 SIMIX_request_answer(req);
241 case REQ_PROCESS_COUNT:
242 req->process_count.result = SIMIX_process_count();
243 SIMIX_request_answer(req);
246 case REQ_PROCESS_GET_DATA:
247 req->process_get_data.result =
248 SIMIX_process_get_data(req->process_get_data.process);
249 SIMIX_request_answer(req);
252 case REQ_PROCESS_SET_DATA:
253 SIMIX_process_set_data(
254 req->process_set_data.process,
255 req->process_set_data.data);
256 SIMIX_request_answer(req);
259 case REQ_PROCESS_GET_HOST:
260 req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
261 SIMIX_request_answer(req);
264 case REQ_PROCESS_GET_NAME:
265 req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
266 SIMIX_request_answer(req);
269 case REQ_PROCESS_IS_SUSPENDED:
270 req->process_is_suspended.result =
271 SIMIX_process_is_suspended(req->process_is_suspended.process);
272 SIMIX_request_answer(req);
275 case REQ_PROCESS_GET_PROPERTIES:
276 req->process_get_properties.result =
277 SIMIX_process_get_properties(req->process_get_properties.process);
278 SIMIX_request_answer(req);
281 case REQ_PROCESS_SLEEP:
282 SIMIX_pre_process_sleep(req);
286 req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
287 SIMIX_request_answer(req);
290 case REQ_RDV_DESTROY:
291 SIMIX_rdv_destroy(req->rdv_destroy.rdv);
292 SIMIX_request_answer(req);
295 case REQ_RDV_GEY_BY_NAME:
296 req->rdv_get_by_name.result =
297 SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
298 SIMIX_request_answer(req);
301 case REQ_RDV_COMM_COUNT_BY_HOST:
302 req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
303 req->rdv_comm_count_by_host.rdv,
304 req->rdv_comm_count_by_host.host);
305 SIMIX_request_answer(req);
308 case REQ_RDV_GET_HEAD:
309 req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
310 SIMIX_request_answer(req);
314 req->comm_isend.result = SIMIX_comm_isend(
317 req->comm_isend.task_size,
318 req->comm_isend.rate,
319 req->comm_isend.src_buff,
320 req->comm_isend.src_buff_size,
321 req->comm_isend.match_fun,
322 req->comm_isend.data);
323 SIMIX_request_answer(req);
327 req->comm_irecv.result = SIMIX_comm_irecv(
330 req->comm_irecv.dst_buff,
331 req->comm_irecv.dst_buff_size,
332 req->comm_irecv.match_fun,
333 req->comm_irecv.data);
334 SIMIX_request_answer(req);
337 case REQ_COMM_DESTROY:
338 SIMIX_comm_destroy(req->comm_destroy.comm);
339 SIMIX_request_answer(req);
342 case REQ_COMM_CANCEL:
343 SIMIX_comm_cancel(req->comm_cancel.comm);
344 SIMIX_request_answer(req);
347 case REQ_COMM_WAITANY:
348 SIMIX_pre_comm_waitany(req);
352 SIMIX_pre_comm_wait(req);
356 SIMIX_pre_comm_test(req);
359 case REQ_COMM_TESTANY:
360 SIMIX_pre_comm_testany(req);
363 case REQ_COMM_GET_REMAINS:
364 req->comm_get_remains.result =
365 SIMIX_comm_get_remains(req->comm_get_remains.comm);
366 SIMIX_request_answer(req);
369 case REQ_COMM_GET_STATE:
370 req->comm_get_state.result =
371 SIMIX_comm_get_state(req->comm_get_state.comm);
372 SIMIX_request_answer(req);
375 case REQ_COMM_GET_SRC_DATA:
376 req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
377 SIMIX_request_answer(req);
380 case REQ_COMM_GET_DST_DATA:
381 req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
382 SIMIX_request_answer(req);
385 case REQ_COMM_GET_SRC_BUFF:
386 req->comm_get_src_buff.result =
387 SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
388 SIMIX_request_answer(req);
391 case REQ_COMM_GET_DST_BUFF:
392 req->comm_get_dst_buff.result =
393 SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
394 SIMIX_request_answer(req);
397 case REQ_COMM_GET_SRC_BUFF_SIZE:
398 req->comm_get_src_buff_size.result =
399 SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
400 SIMIX_request_answer(req);
403 case REQ_COMM_GET_DST_BUFF_SIZE:
404 req->comm_get_dst_buff_size.result =
405 SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
406 SIMIX_request_answer(req);
409 case REQ_COMM_GET_SRC_PROC:
410 req->comm_get_src_proc.result =
411 SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
412 SIMIX_request_answer(req);
415 case REQ_COMM_GET_DST_PROC:
416 req->comm_get_dst_proc.result =
417 SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
418 SIMIX_request_answer(req);
421 #ifdef HAVE_LATENCY_BOUND_TRACKING
422 case REQ_COMM_IS_LATENCY_BOUNDED:
423 req->comm_is_latency_bounded.result =
424 SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
425 SIMIX_request_answer(req);
430 case REQ_SET_CATEGORY:
432 req->set_category.action,
433 req->set_category.category);
434 SIMIX_request_answer(req);
439 req->mutex_init.result = SIMIX_mutex_init();
440 SIMIX_request_answer(req);
443 case REQ_MUTEX_DESTROY:
444 SIMIX_mutex_destroy(req->mutex_destroy.mutex);
445 SIMIX_request_answer(req);
449 SIMIX_pre_mutex_lock(req);
452 case REQ_MUTEX_TRYLOCK:
453 req->mutex_trylock.result =
454 SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
455 SIMIX_request_answer(req);
458 case REQ_MUTEX_UNLOCK:
459 SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
460 SIMIX_request_answer(req);
464 req->cond_init.result = SIMIX_cond_init();
465 SIMIX_request_answer(req);
468 case REQ_COND_DESTROY:
469 SIMIX_cond_destroy(req->cond_destroy.cond);
470 SIMIX_request_answer(req);
473 case REQ_COND_SIGNAL:
474 SIMIX_cond_signal(req->cond_signal.cond);
475 SIMIX_request_answer(req);
479 SIMIX_pre_cond_wait(req);
482 case REQ_COND_WAIT_TIMEOUT:
483 SIMIX_pre_cond_wait_timeout(req);
486 case REQ_COND_BROADCAST:
487 SIMIX_cond_broadcast(req->cond_broadcast.cond);
488 SIMIX_request_answer(req);
492 req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
493 SIMIX_request_answer(req);
496 case REQ_SEM_DESTROY:
497 SIMIX_sem_destroy(req->sem_destroy.sem);
498 SIMIX_request_answer(req);
501 case REQ_SEM_RELEASE:
502 SIMIX_sem_release(req->sem_release.sem);
503 SIMIX_request_answer(req);
506 case REQ_SEM_WOULD_BLOCK:
507 req->sem_would_block.result =
508 SIMIX_sem_would_block(req->sem_would_block.sem);
509 SIMIX_request_answer(req);
512 case REQ_SEM_ACQUIRE:
513 SIMIX_pre_sem_acquire(req);
516 case REQ_SEM_ACQUIRE_TIMEOUT:
517 SIMIX_pre_sem_acquire_timeout(req);
520 case REQ_SEM_GET_CAPACITY:
521 req->sem_get_capacity.result =
522 SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
523 SIMIX_request_answer(req);
528 void SIMIX_request_post(smx_action_t action)
530 switch (action->type) {
532 case SIMIX_ACTION_EXECUTE:
533 case SIMIX_ACTION_PARALLEL_EXECUTE:
534 SIMIX_post_host_execute(action);
537 case SIMIX_ACTION_COMMUNICATE:
538 SIMIX_post_comm(action);
541 case SIMIX_ACTION_SLEEP:
542 SIMIX_post_process_sleep(action);
545 case SIMIX_ACTION_SYNCHRO:
546 SIMIX_post_synchro(action);
549 case SIMIX_ACTION_IO: