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 (smx_parallel_contexts)
38 xbt_os_mutex_acquire(sync_req_positions);
39 xbt_heap_push(req_todo,&issuer->request,issuer->pid);
40 DEBUG4("Pushed request %s (%d) of %s; now %d requests waiting",
41 SIMIX_request_name(issuer->request.call), issuer->request.call,
42 issuer->name,xbt_heap_size(req_todo));
43 if (smx_parallel_contexts)
44 xbt_os_mutex_release(sync_req_positions);
46 DEBUG3("Yield process '%s' on request of type %s (%d)", issuer->name,
47 SIMIX_request_name(issuer->request.call), issuer->request.call);
48 SIMIX_process_yield();
50 SIMIX_request_pre(&issuer->request);
54 smx_req_t SIMIX_request_pop(void)
56 return xbt_heap_pop(req_todo);
59 void SIMIX_request_answer(smx_req_t req)
61 if (req->issuer != simix_global->maestro_process){
62 req->issuer->request.call = REQ_NO_REQ;
63 xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer);
67 int SIMIX_request_is_visible(smx_req_t req)
69 return req->call == REQ_COMM_ISEND
70 || req->call == REQ_COMM_IRECV
71 || req->call == REQ_COMM_WAIT
72 || req->call == REQ_COMM_WAITANY
73 || req->call == REQ_COMM_TEST;
76 int SIMIX_request_is_enabled(smx_req_t req)
78 unsigned int index = 0;
84 /* FIXME: check also that src and dst processes are not suspended */
85 if (req->comm_wait.comm->comm.src_proc
86 && req->comm_wait.comm->comm.dst_proc)
91 case REQ_COMM_WAITANY:
92 xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
93 if (act->comm.src_proc && act->comm.dst_proc){
106 void SIMIX_request_pre(smx_req_t req)
110 THROW2(arg_error,0,"Asked to do the noop syscall on %s@%s",
111 SIMIX_process_get_name(req->issuer),
112 SIMIX_host_get_name(SIMIX_process_get_host(req->issuer))
116 case REQ_HOST_GET_BY_NAME:
117 req->host_get_by_name.result =
118 SIMIX_host_get_by_name(req->host_get_by_name.name);
119 SIMIX_request_answer(req);
122 case REQ_HOST_GET_NAME:
123 req->host_get_name.result = SIMIX_host_get_name(req->host_get_name.host);
124 SIMIX_request_answer(req);
127 case REQ_HOST_GET_PROPERTIES:
128 req->host_get_properties.result =
129 SIMIX_host_get_properties(req->host_get_properties.host);
130 SIMIX_request_answer(req);
133 case REQ_HOST_GET_SPEED:
134 req->host_get_speed.result =
135 SIMIX_host_get_speed(req->host_get_speed.host);
136 SIMIX_request_answer(req);
139 case REQ_HOST_GET_AVAILABLE_SPEED:
140 req->host_get_available_speed.result =
141 SIMIX_host_get_available_speed(req->host_get_available_speed.host);
142 SIMIX_request_answer(req);
145 case REQ_HOST_GET_STATE:
146 req->host_get_state.result =
147 SIMIX_host_get_state(req->host_get_state.host);
148 SIMIX_request_answer(req);
151 case REQ_HOST_GET_DATA:
152 req->host_get_data.result = SIMIX_host_get_data(req->host_get_data.host);
153 SIMIX_request_answer(req);
156 case REQ_HOST_SET_DATA:
157 SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
158 SIMIX_request_answer(req);
161 case REQ_HOST_EXECUTE:
162 req->host_execute.result = SIMIX_host_execute(
163 req->host_execute.name,
164 req->host_execute.host,
165 req->host_execute.computation_amount);
166 SIMIX_request_answer(req);
169 case REQ_HOST_PARALLEL_EXECUTE:
170 req->host_parallel_execute.result = SIMIX_host_parallel_execute(
171 req->host_parallel_execute.name,
172 req->host_parallel_execute.host_nb,
173 req->host_parallel_execute.host_list,
174 req->host_parallel_execute.computation_amount,
175 req->host_parallel_execute.communication_amount,
176 req->host_parallel_execute.amount,
177 req->host_parallel_execute.rate);
178 SIMIX_request_answer(req);
181 case REQ_HOST_EXECUTION_DESTROY:
182 SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
183 SIMIX_request_answer(req);
186 case REQ_HOST_EXECUTION_CANCEL:
187 SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
188 SIMIX_request_answer(req);
191 case REQ_HOST_EXECUTION_GET_REMAINS:
192 req->host_execution_get_remains.result =
193 SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
194 SIMIX_request_answer(req);
197 case REQ_HOST_EXECUTION_GET_STATE:
198 req->host_execution_get_state.result =
199 SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
200 SIMIX_request_answer(req);
203 case REQ_HOST_EXECUTION_SET_PRIORITY:
204 SIMIX_host_execution_set_priority(
205 req->host_execution_set_priority.execution,
206 req->host_execution_set_priority.priority);
207 SIMIX_request_answer(req);
210 case REQ_HOST_EXECUTION_WAIT:
211 SIMIX_pre_host_execution_wait(req);
214 case REQ_PROCESS_CREATE:
215 req->process_create.result = SIMIX_process_create(
216 req->process_create.name,
217 req->process_create.code,
218 req->process_create.data,
219 req->process_create.hostname,
220 req->process_create.argc,
221 req->process_create.argv,
222 req->process_create.properties);
223 SIMIX_request_answer(req);
226 case REQ_PROCESS_KILL:
227 SIMIX_process_kill(req->process_kill.process, req->issuer);
228 SIMIX_request_answer(req);
231 case REQ_PROCESS_CHANGE_HOST:
232 SIMIX_process_change_host(
233 req->process_change_host.process,
234 req->process_change_host.source,
235 req->process_change_host.dest);
236 SIMIX_request_answer(req);
239 case REQ_PROCESS_SUSPEND:
240 SIMIX_pre_process_suspend(req);
243 case REQ_PROCESS_RESUME:
244 SIMIX_process_resume(req->process_resume.process, req->issuer);
245 SIMIX_request_answer(req);
248 case REQ_PROCESS_COUNT:
249 req->process_count.result = SIMIX_process_count();
250 SIMIX_request_answer(req);
253 case REQ_PROCESS_GET_DATA:
254 req->process_get_data.result =
255 SIMIX_process_get_data(req->process_get_data.process);
256 SIMIX_request_answer(req);
259 case REQ_PROCESS_SET_DATA:
260 SIMIX_process_set_data(
261 req->process_set_data.process,
262 req->process_set_data.data);
263 SIMIX_request_answer(req);
266 case REQ_PROCESS_GET_HOST:
267 req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
268 SIMIX_request_answer(req);
271 case REQ_PROCESS_GET_NAME:
272 req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
273 SIMIX_request_answer(req);
276 case REQ_PROCESS_IS_SUSPENDED:
277 req->process_is_suspended.result =
278 SIMIX_process_is_suspended(req->process_is_suspended.process);
279 SIMIX_request_answer(req);
282 case REQ_PROCESS_GET_PROPERTIES:
283 req->process_get_properties.result =
284 SIMIX_process_get_properties(req->process_get_properties.process);
285 SIMIX_request_answer(req);
288 case REQ_PROCESS_SLEEP:
289 SIMIX_pre_process_sleep(req);
293 req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
294 SIMIX_request_answer(req);
297 case REQ_RDV_DESTROY:
298 SIMIX_rdv_destroy(req->rdv_destroy.rdv);
299 SIMIX_request_answer(req);
302 case REQ_RDV_GEY_BY_NAME:
303 req->rdv_get_by_name.result =
304 SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
305 SIMIX_request_answer(req);
308 case REQ_RDV_COMM_COUNT_BY_HOST:
309 req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
310 req->rdv_comm_count_by_host.rdv,
311 req->rdv_comm_count_by_host.host);
312 SIMIX_request_answer(req);
315 case REQ_RDV_GET_HEAD:
316 req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
317 SIMIX_request_answer(req);
321 req->comm_isend.result = SIMIX_comm_isend(
324 req->comm_isend.task_size,
325 req->comm_isend.rate,
326 req->comm_isend.src_buff,
327 req->comm_isend.src_buff_size,
328 req->comm_isend.match_fun,
329 req->comm_isend.data);
330 SIMIX_request_answer(req);
334 req->comm_irecv.result = SIMIX_comm_irecv(
337 req->comm_irecv.dst_buff,
338 req->comm_irecv.dst_buff_size,
339 req->comm_irecv.match_fun,
340 req->comm_irecv.data);
341 SIMIX_request_answer(req);
344 case REQ_COMM_DESTROY:
345 SIMIX_comm_destroy(req->comm_destroy.comm);
346 SIMIX_request_answer(req);
349 case REQ_COMM_CANCEL:
350 SIMIX_comm_cancel(req->comm_cancel.comm);
351 SIMIX_request_answer(req);
354 case REQ_COMM_WAITANY:
355 SIMIX_pre_comm_waitany(req);
359 SIMIX_pre_comm_wait(req);
363 SIMIX_pre_comm_test(req);
366 case REQ_COMM_TESTANY:
367 SIMIX_pre_comm_testany(req);
370 case REQ_COMM_GET_REMAINS:
371 req->comm_get_remains.result =
372 SIMIX_comm_get_remains(req->comm_get_remains.comm);
373 SIMIX_request_answer(req);
376 case REQ_COMM_GET_STATE:
377 req->comm_get_state.result =
378 SIMIX_comm_get_state(req->comm_get_state.comm);
379 SIMIX_request_answer(req);
382 case REQ_COMM_GET_SRC_DATA:
383 req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
384 SIMIX_request_answer(req);
387 case REQ_COMM_GET_DST_DATA:
388 req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
389 SIMIX_request_answer(req);
392 case REQ_COMM_GET_SRC_BUFF:
393 req->comm_get_src_buff.result =
394 SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
395 SIMIX_request_answer(req);
398 case REQ_COMM_GET_DST_BUFF:
399 req->comm_get_dst_buff.result =
400 SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
401 SIMIX_request_answer(req);
404 case REQ_COMM_GET_SRC_BUFF_SIZE:
405 req->comm_get_src_buff_size.result =
406 SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
407 SIMIX_request_answer(req);
410 case REQ_COMM_GET_DST_BUFF_SIZE:
411 req->comm_get_dst_buff_size.result =
412 SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
413 SIMIX_request_answer(req);
416 case REQ_COMM_GET_SRC_PROC:
417 req->comm_get_src_proc.result =
418 SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
419 SIMIX_request_answer(req);
422 case REQ_COMM_GET_DST_PROC:
423 req->comm_get_dst_proc.result =
424 SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
425 SIMIX_request_answer(req);
428 #ifdef HAVE_LATENCY_BOUND_TRACKING
429 case REQ_COMM_IS_LATENCY_BOUNDED:
430 req->comm_is_latency_bounded.result =
431 SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
432 SIMIX_request_answer(req);
437 case REQ_SET_CATEGORY:
439 req->set_category.action,
440 req->set_category.category);
441 SIMIX_request_answer(req);
446 req->mutex_init.result = SIMIX_mutex_init();
447 SIMIX_request_answer(req);
450 case REQ_MUTEX_DESTROY:
451 SIMIX_mutex_destroy(req->mutex_destroy.mutex);
452 SIMIX_request_answer(req);
456 SIMIX_pre_mutex_lock(req);
459 case REQ_MUTEX_TRYLOCK:
460 req->mutex_trylock.result =
461 SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
462 SIMIX_request_answer(req);
465 case REQ_MUTEX_UNLOCK:
466 SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
467 SIMIX_request_answer(req);
471 req->cond_init.result = SIMIX_cond_init();
472 SIMIX_request_answer(req);
475 case REQ_COND_DESTROY:
476 SIMIX_cond_destroy(req->cond_destroy.cond);
477 SIMIX_request_answer(req);
480 case REQ_COND_SIGNAL:
481 SIMIX_cond_signal(req->cond_signal.cond);
482 SIMIX_request_answer(req);
486 SIMIX_pre_cond_wait(req);
489 case REQ_COND_WAIT_TIMEOUT:
490 SIMIX_pre_cond_wait_timeout(req);
493 case REQ_COND_BROADCAST:
494 SIMIX_cond_broadcast(req->cond_broadcast.cond);
495 SIMIX_request_answer(req);
499 req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
500 SIMIX_request_answer(req);
503 case REQ_SEM_DESTROY:
504 SIMIX_sem_destroy(req->sem_destroy.sem);
505 SIMIX_request_answer(req);
508 case REQ_SEM_RELEASE:
509 SIMIX_sem_release(req->sem_release.sem);
510 SIMIX_request_answer(req);
513 case REQ_SEM_WOULD_BLOCK:
514 req->sem_would_block.result =
515 SIMIX_sem_would_block(req->sem_would_block.sem);
516 SIMIX_request_answer(req);
519 case REQ_SEM_ACQUIRE:
520 SIMIX_pre_sem_acquire(req);
523 case REQ_SEM_ACQUIRE_TIMEOUT:
524 SIMIX_pre_sem_acquire_timeout(req);
527 case REQ_SEM_GET_CAPACITY:
528 req->sem_get_capacity.result =
529 SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
530 SIMIX_request_answer(req);
535 void SIMIX_request_post(smx_action_t action)
537 switch (action->type) {
539 case SIMIX_ACTION_EXECUTE:
540 case SIMIX_ACTION_PARALLEL_EXECUTE:
541 SIMIX_post_host_execute(action);
544 case SIMIX_ACTION_COMMUNICATE:
545 SIMIX_post_comm(action);
548 case SIMIX_ACTION_SLEEP:
549 SIMIX_post_process_sleep(action);
552 case SIMIX_ACTION_SYNCHRO:
553 SIMIX_post_synchro(action);
556 case SIMIX_ACTION_IO: