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, 0);
54 smx_req_t SIMIX_request_pop(void)
56 smx_req_t req = xbt_heap_pop(req_todo);
58 DEBUG4("Popped request %s (%d) of %s; now %d requests waiting",
59 SIMIX_request_name(req->issuer->request.call),
60 req->issuer->request.call,
61 req->issuer->name,xbt_heap_size(req_todo));
65 void SIMIX_request_answer(smx_req_t req)
67 if (req->issuer != simix_global->maestro_process){
68 DEBUG2("Answer request %s (%d)", SIMIX_request_name(req->call), req->call);
69 req->issuer->request.call = REQ_NO_REQ;
70 xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer);
74 void SIMIX_request_pre(smx_req_t req, int value)
79 SIMIX_pre_comm_test(req);
82 case REQ_COMM_TESTANY:
83 SIMIX_pre_comm_testany(req, value);
87 SIMIX_pre_comm_wait(req, value);
90 case REQ_COMM_WAITANY:
91 SIMIX_pre_comm_waitany(req, value);
95 req->comm_isend.result = SIMIX_comm_isend(
98 req->comm_isend.task_size,
100 req->comm_isend.src_buff,
101 req->comm_isend.src_buff_size,
102 req->comm_isend.match_fun,
103 req->comm_isend.data);
104 SIMIX_request_answer(req);
108 req->comm_irecv.result = SIMIX_comm_irecv(
111 req->comm_irecv.dst_buff,
112 req->comm_irecv.dst_buff_size,
113 req->comm_irecv.match_fun,
114 req->comm_irecv.data);
115 SIMIX_request_answer(req);
118 case REQ_COMM_DESTROY:
119 SIMIX_comm_destroy(req->comm_destroy.comm);
120 SIMIX_request_answer(req);
123 case REQ_COMM_CANCEL:
124 SIMIX_comm_cancel(req->comm_cancel.comm);
125 SIMIX_request_answer(req);
128 case REQ_COMM_GET_REMAINS:
129 req->comm_get_remains.result =
130 SIMIX_comm_get_remains(req->comm_get_remains.comm);
131 SIMIX_request_answer(req);
134 case REQ_COMM_GET_STATE:
135 req->comm_get_state.result =
136 SIMIX_comm_get_state(req->comm_get_state.comm);
137 SIMIX_request_answer(req);
140 case REQ_COMM_GET_SRC_DATA:
141 req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
142 SIMIX_request_answer(req);
145 case REQ_COMM_GET_DST_DATA:
146 req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
147 SIMIX_request_answer(req);
150 case REQ_COMM_GET_SRC_BUFF:
151 req->comm_get_src_buff.result =
152 SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
153 SIMIX_request_answer(req);
156 case REQ_COMM_GET_DST_BUFF:
157 req->comm_get_dst_buff.result =
158 SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
159 SIMIX_request_answer(req);
162 case REQ_COMM_GET_SRC_BUFF_SIZE:
163 req->comm_get_src_buff_size.result =
164 SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
165 SIMIX_request_answer(req);
168 case REQ_COMM_GET_DST_BUFF_SIZE:
169 req->comm_get_dst_buff_size.result =
170 SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
171 SIMIX_request_answer(req);
174 case REQ_COMM_GET_SRC_PROC:
175 req->comm_get_src_proc.result =
176 SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
177 SIMIX_request_answer(req);
180 case REQ_COMM_GET_DST_PROC:
181 req->comm_get_dst_proc.result =
182 SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
183 SIMIX_request_answer(req);
186 #ifdef HAVE_LATENCY_BOUND_TRACKING
187 case REQ_COMM_IS_LATENCY_BOUNDED:
188 req->comm_is_latency_bounded.result =
189 SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
190 SIMIX_request_answer(req);
195 req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
196 SIMIX_request_answer(req);
199 case REQ_RDV_DESTROY:
200 SIMIX_rdv_destroy(req->rdv_destroy.rdv);
201 SIMIX_request_answer(req);
204 case REQ_RDV_GEY_BY_NAME:
205 req->rdv_get_by_name.result =
206 SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
207 SIMIX_request_answer(req);
210 case REQ_RDV_COMM_COUNT_BY_HOST:
211 req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
212 req->rdv_comm_count_by_host.rdv,
213 req->rdv_comm_count_by_host.host);
214 SIMIX_request_answer(req);
217 case REQ_RDV_GET_HEAD:
218 req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
219 SIMIX_request_answer(req);
222 case REQ_HOST_GET_BY_NAME:
223 req->host_get_by_name.result =
224 SIMIX_host_get_by_name(req->host_get_by_name.name);
225 SIMIX_request_answer(req);
228 case REQ_HOST_GET_NAME:
229 req->host_get_name.result = SIMIX_host_get_name(req->host_get_name.host);
230 SIMIX_request_answer(req);
233 case REQ_HOST_GET_PROPERTIES:
234 req->host_get_properties.result =
235 SIMIX_host_get_properties(req->host_get_properties.host);
236 SIMIX_request_answer(req);
239 case REQ_HOST_GET_SPEED:
240 req->host_get_speed.result =
241 SIMIX_host_get_speed(req->host_get_speed.host);
242 SIMIX_request_answer(req);
245 case REQ_HOST_GET_AVAILABLE_SPEED:
246 req->host_get_available_speed.result =
247 SIMIX_host_get_available_speed(req->host_get_available_speed.host);
248 SIMIX_request_answer(req);
251 case REQ_HOST_GET_STATE:
252 req->host_get_state.result =
253 SIMIX_host_get_state(req->host_get_state.host);
254 SIMIX_request_answer(req);
257 case REQ_HOST_GET_DATA:
258 req->host_get_data.result = SIMIX_host_get_data(req->host_get_data.host);
259 SIMIX_request_answer(req);
262 case REQ_HOST_SET_DATA:
263 SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
264 SIMIX_request_answer(req);
267 case REQ_HOST_EXECUTE:
268 req->host_execute.result = SIMIX_host_execute(
269 req->host_execute.name,
270 req->host_execute.host,
271 req->host_execute.computation_amount,
272 req->host_execute.priority);
273 SIMIX_request_answer(req);
276 case REQ_HOST_PARALLEL_EXECUTE:
277 req->host_parallel_execute.result = SIMIX_host_parallel_execute(
278 req->host_parallel_execute.name,
279 req->host_parallel_execute.host_nb,
280 req->host_parallel_execute.host_list,
281 req->host_parallel_execute.computation_amount,
282 req->host_parallel_execute.communication_amount,
283 req->host_parallel_execute.amount,
284 req->host_parallel_execute.rate);
285 SIMIX_request_answer(req);
288 case REQ_HOST_EXECUTION_DESTROY:
289 SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
290 SIMIX_request_answer(req);
293 case REQ_HOST_EXECUTION_CANCEL:
294 SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
295 SIMIX_request_answer(req);
298 case REQ_HOST_EXECUTION_GET_REMAINS:
299 req->host_execution_get_remains.result =
300 SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
301 SIMIX_request_answer(req);
304 case REQ_HOST_EXECUTION_GET_STATE:
305 req->host_execution_get_state.result =
306 SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
307 SIMIX_request_answer(req);
310 case REQ_HOST_EXECUTION_SET_PRIORITY:
311 SIMIX_host_execution_set_priority(
312 req->host_execution_set_priority.execution,
313 req->host_execution_set_priority.priority);
314 SIMIX_request_answer(req);
317 case REQ_HOST_EXECUTION_WAIT:
318 SIMIX_pre_host_execution_wait(req);
321 case REQ_PROCESS_CREATE:
322 req->process_create.result = SIMIX_process_create(
323 req->process_create.name,
324 req->process_create.code,
325 req->process_create.data,
326 req->process_create.hostname,
327 req->process_create.argc,
328 req->process_create.argv,
329 req->process_create.properties);
330 SIMIX_request_answer(req);
333 case REQ_PROCESS_KILL:
334 SIMIX_process_kill(req->process_kill.process, req->issuer);
335 SIMIX_request_answer(req);
338 case REQ_PROCESS_CHANGE_HOST:
339 SIMIX_process_change_host(
340 req->process_change_host.process,
341 req->process_change_host.source,
342 req->process_change_host.dest);
343 SIMIX_request_answer(req);
346 case REQ_PROCESS_SUSPEND:
347 SIMIX_pre_process_suspend(req);
350 case REQ_PROCESS_RESUME:
351 SIMIX_process_resume(req->process_resume.process, req->issuer);
352 SIMIX_request_answer(req);
355 case REQ_PROCESS_COUNT:
356 req->process_count.result = SIMIX_process_count();
357 SIMIX_request_answer(req);
360 case REQ_PROCESS_GET_DATA:
361 req->process_get_data.result =
362 SIMIX_process_get_data(req->process_get_data.process);
363 SIMIX_request_answer(req);
366 case REQ_PROCESS_SET_DATA:
367 SIMIX_process_set_data(
368 req->process_set_data.process,
369 req->process_set_data.data);
370 SIMIX_request_answer(req);
373 case REQ_PROCESS_GET_HOST:
374 req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
375 SIMIX_request_answer(req);
378 case REQ_PROCESS_GET_NAME:
379 req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
380 SIMIX_request_answer(req);
383 case REQ_PROCESS_IS_SUSPENDED:
384 req->process_is_suspended.result =
385 SIMIX_process_is_suspended(req->process_is_suspended.process);
386 SIMIX_request_answer(req);
389 case REQ_PROCESS_GET_PROPERTIES:
390 req->process_get_properties.result =
391 SIMIX_process_get_properties(req->process_get_properties.process);
392 SIMIX_request_answer(req);
395 case REQ_PROCESS_SLEEP:
396 SIMIX_pre_process_sleep(req);
400 case REQ_SET_CATEGORY:
402 req->set_category.action,
403 req->set_category.category);
404 SIMIX_request_answer(req);
409 req->mutex_init.result = SIMIX_mutex_init();
410 SIMIX_request_answer(req);
413 case REQ_MUTEX_DESTROY:
414 SIMIX_mutex_destroy(req->mutex_destroy.mutex);
415 SIMIX_request_answer(req);
419 SIMIX_pre_mutex_lock(req);
422 case REQ_MUTEX_TRYLOCK:
423 req->mutex_trylock.result =
424 SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
425 SIMIX_request_answer(req);
428 case REQ_MUTEX_UNLOCK:
429 SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
430 SIMIX_request_answer(req);
434 req->cond_init.result = SIMIX_cond_init();
435 SIMIX_request_answer(req);
438 case REQ_COND_DESTROY:
439 SIMIX_cond_destroy(req->cond_destroy.cond);
440 SIMIX_request_answer(req);
443 case REQ_COND_SIGNAL:
444 SIMIX_cond_signal(req->cond_signal.cond);
445 SIMIX_request_answer(req);
449 SIMIX_pre_cond_wait(req);
452 case REQ_COND_WAIT_TIMEOUT:
453 SIMIX_pre_cond_wait_timeout(req);
456 case REQ_COND_BROADCAST:
457 SIMIX_cond_broadcast(req->cond_broadcast.cond);
458 SIMIX_request_answer(req);
462 req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
463 SIMIX_request_answer(req);
466 case REQ_SEM_DESTROY:
467 SIMIX_sem_destroy(req->sem_destroy.sem);
468 SIMIX_request_answer(req);
471 case REQ_SEM_RELEASE:
472 SIMIX_sem_release(req->sem_release.sem);
473 SIMIX_request_answer(req);
476 case REQ_SEM_WOULD_BLOCK:
477 req->sem_would_block.result =
478 SIMIX_sem_would_block(req->sem_would_block.sem);
479 SIMIX_request_answer(req);
482 case REQ_SEM_ACQUIRE:
483 SIMIX_pre_sem_acquire(req);
486 case REQ_SEM_ACQUIRE_TIMEOUT:
487 SIMIX_pre_sem_acquire_timeout(req);
490 case REQ_SEM_GET_CAPACITY:
491 req->sem_get_capacity.result =
492 SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
493 SIMIX_request_answer(req);
497 THROW2(arg_error,0,"Asked to do the noop syscall on %s@%s",
498 SIMIX_process_get_name(req->issuer),
499 SIMIX_host_get_name(SIMIX_process_get_host(req->issuer))
505 void SIMIX_request_post(smx_action_t action)
507 switch (action->type) {
509 case SIMIX_ACTION_EXECUTE:
510 case SIMIX_ACTION_PARALLEL_EXECUTE:
511 SIMIX_post_host_execute(action);
514 case SIMIX_ACTION_COMMUNICATE:
515 SIMIX_post_comm(action);
518 case SIMIX_ACTION_SLEEP:
519 SIMIX_post_process_sleep(action);
522 case SIMIX_ACTION_SYNCHRO:
523 SIMIX_post_synchro(action);
526 case SIMIX_ACTION_IO: