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 DEBUG3("Pushed request %d of %s; now %d requests waiting",
41 issuer->request.call,issuer->name,xbt_heap_size(req_todo));
42 if (_surf_parallel_contexts)
43 xbt_os_mutex_release(sync_req_positions);
45 DEBUG2("Yield process '%s' on request of type %d", issuer->name, issuer->request.call);
46 SIMIX_process_yield();
48 SIMIX_request_pre(&issuer->request);
52 smx_req_t SIMIX_request_pop(void)
54 return xbt_heap_pop(req_todo);
57 void SIMIX_request_answer(smx_req_t req)
59 if (req->issuer != simix_global->maestro_process){
60 req->issuer->request.call = REQ_NO_REQ;
61 xbt_swag_insert(req->issuer, simix_global->process_to_run);
65 int SIMIX_request_is_visible(smx_req_t req)
67 return req->call == REQ_COMM_ISEND
68 || req->call == REQ_COMM_IRECV
69 || req->call == REQ_COMM_WAIT
70 || req->call == REQ_COMM_WAITANY
71 || req->call == REQ_COMM_TEST;
74 int SIMIX_request_is_enabled(smx_req_t req)
76 unsigned int index = 0;
82 /* FIXME: check also that src and dst processes are not suspended */
83 if (req->comm_wait.comm->comm.src_proc
84 && req->comm_wait.comm->comm.dst_proc)
89 case REQ_COMM_WAITANY:
90 xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
91 if (act->comm.src_proc && act->comm.dst_proc){
104 void SIMIX_request_pre(smx_req_t req)
108 xbt_die("Asked to do the noop syscall");
111 case REQ_HOST_GET_BY_NAME:
112 req->host_get_by_name.result =
113 SIMIX_host_get_by_name(req->host_get_by_name.name);
114 SIMIX_request_answer(req);
117 case REQ_HOST_GET_NAME:
118 req->host_get_name.result = SIMIX_host_get_name(req->host_get_name.host);
119 SIMIX_request_answer(req);
122 case REQ_HOST_GET_PROPERTIES:
123 req->host_get_properties.result =
124 SIMIX_host_get_properties(req->host_get_properties.host);
125 SIMIX_request_answer(req);
128 case REQ_HOST_GET_SPEED:
129 req->host_get_speed.result =
130 SIMIX_host_get_speed(req->host_get_speed.host);
131 SIMIX_request_answer(req);
134 case REQ_HOST_GET_AVAILABLE_SPEED:
135 req->host_get_available_speed.result =
136 SIMIX_host_get_available_speed(req->host_get_available_speed.host);
137 SIMIX_request_answer(req);
140 case REQ_HOST_GET_STATE:
141 req->host_get_state.result =
142 SIMIX_host_get_state(req->host_get_state.host);
143 SIMIX_request_answer(req);
146 case REQ_HOST_GET_DATA:
147 req->host_get_data.result = SIMIX_host_get_data(req->host_get_data.host);
148 SIMIX_request_answer(req);
151 case REQ_HOST_SET_DATA:
152 SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
153 SIMIX_request_answer(req);
156 case REQ_HOST_EXECUTE:
157 req->host_execute.result = SIMIX_host_execute(
158 req->host_execute.name,
159 req->host_execute.host,
160 req->host_execute.computation_amount);
161 SIMIX_request_answer(req);
164 case REQ_HOST_PARALLEL_EXECUTE:
165 req->host_parallel_execute.result = SIMIX_host_parallel_execute(
166 req->host_parallel_execute.name,
167 req->host_parallel_execute.host_nb,
168 req->host_parallel_execute.host_list,
169 req->host_parallel_execute.computation_amount,
170 req->host_parallel_execute.communication_amount,
171 req->host_parallel_execute.amount,
172 req->host_parallel_execute.rate);
173 SIMIX_request_answer(req);
176 case REQ_HOST_EXECUTION_DESTROY:
177 SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
178 SIMIX_request_answer(req);
181 case REQ_HOST_EXECUTION_CANCEL:
182 SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
183 SIMIX_request_answer(req);
186 case REQ_HOST_EXECUTION_GET_REMAINS:
187 req->host_execution_get_remains.result =
188 SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
189 SIMIX_request_answer(req);
192 case REQ_HOST_EXECUTION_GET_STATE:
193 req->host_execution_get_state.result =
194 SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
195 SIMIX_request_answer(req);
198 case REQ_HOST_EXECUTION_SET_PRIORITY:
199 SIMIX_host_execution_set_priority(
200 req->host_execution_set_priority.execution,
201 req->host_execution_set_priority.priority);
202 SIMIX_request_answer(req);
205 case REQ_HOST_EXECUTION_WAIT:
206 SIMIX_pre_host_execution_wait(req);
209 case REQ_PROCESS_CREATE:
210 req->process_create.result = SIMIX_process_create(
211 req->process_create.name,
212 req->process_create.code,
213 req->process_create.data,
214 req->process_create.hostname,
215 req->process_create.argc,
216 req->process_create.argv,
217 req->process_create.properties);
218 SIMIX_request_answer(req);
221 case REQ_PROCESS_KILL:
222 SIMIX_process_kill(req->process_kill.process, req->issuer);
223 SIMIX_request_answer(req);
226 case REQ_PROCESS_CHANGE_HOST:
227 SIMIX_process_change_host(
228 req->process_change_host.process,
229 req->process_change_host.source,
230 req->process_change_host.dest);
231 SIMIX_request_answer(req);
234 case REQ_PROCESS_SUSPEND:
235 SIMIX_pre_process_suspend(req);
238 case REQ_PROCESS_RESUME:
239 SIMIX_process_resume(req->process_resume.process, req->issuer);
240 SIMIX_request_answer(req);
243 case REQ_PROCESS_COUNT:
244 req->process_count.result = SIMIX_process_count();
245 SIMIX_request_answer(req);
248 case REQ_PROCESS_GET_DATA:
249 req->process_get_data.result =
250 SIMIX_process_get_data(req->process_get_data.process);
251 SIMIX_request_answer(req);
254 case REQ_PROCESS_SET_DATA:
255 SIMIX_process_set_data(
256 req->process_set_data.process,
257 req->process_set_data.data);
258 SIMIX_request_answer(req);
261 case REQ_PROCESS_GET_HOST:
262 req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
263 SIMIX_request_answer(req);
266 case REQ_PROCESS_GET_NAME:
267 req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
268 SIMIX_request_answer(req);
271 case REQ_PROCESS_IS_SUSPENDED:
272 req->process_is_suspended.result =
273 SIMIX_process_is_suspended(req->process_is_suspended.process);
274 SIMIX_request_answer(req);
277 case REQ_PROCESS_GET_PROPERTIES:
278 req->process_get_properties.result =
279 SIMIX_process_get_properties(req->process_get_properties.process);
280 SIMIX_request_answer(req);
283 case REQ_PROCESS_SLEEP:
284 SIMIX_pre_process_sleep(req);
288 req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
289 SIMIX_request_answer(req);
292 case REQ_RDV_DESTROY:
293 SIMIX_rdv_destroy(req->rdv_destroy.rdv);
294 SIMIX_request_answer(req);
297 case REQ_RDV_GEY_BY_NAME:
298 req->rdv_get_by_name.result =
299 SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
300 SIMIX_request_answer(req);
303 case REQ_RDV_COMM_COUNT_BY_HOST:
304 req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
305 req->rdv_comm_count_by_host.rdv,
306 req->rdv_comm_count_by_host.host);
307 SIMIX_request_answer(req);
310 case REQ_RDV_GET_HEAD:
311 req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
312 SIMIX_request_answer(req);
316 req->comm_isend.result = SIMIX_comm_isend(
319 req->comm_isend.task_size,
320 req->comm_isend.rate,
321 req->comm_isend.src_buff,
322 req->comm_isend.src_buff_size,
323 req->comm_isend.match_fun,
324 req->comm_isend.data);
325 SIMIX_request_answer(req);
329 req->comm_irecv.result = SIMIX_comm_irecv(
332 req->comm_irecv.dst_buff,
333 req->comm_irecv.dst_buff_size,
334 req->comm_irecv.match_fun,
335 req->comm_irecv.data);
336 SIMIX_request_answer(req);
339 case REQ_COMM_DESTROY:
340 SIMIX_comm_destroy(req->comm_destroy.comm);
341 SIMIX_request_answer(req);
344 case REQ_COMM_CANCEL:
345 SIMIX_comm_cancel(req->comm_cancel.comm);
346 SIMIX_request_answer(req);
349 case REQ_COMM_WAITANY:
350 SIMIX_pre_comm_waitany(req);
354 SIMIX_pre_comm_wait(req);
358 SIMIX_pre_comm_test(req);
361 case REQ_COMM_TESTANY:
362 SIMIX_pre_comm_testany(req);
365 case REQ_COMM_GET_REMAINS:
366 req->comm_get_remains.result =
367 SIMIX_comm_get_remains(req->comm_get_remains.comm);
368 SIMIX_request_answer(req);
371 case REQ_COMM_GET_STATE:
372 req->comm_get_state.result =
373 SIMIX_comm_get_state(req->comm_get_state.comm);
374 SIMIX_request_answer(req);
377 case REQ_COMM_GET_SRC_DATA:
378 req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
379 SIMIX_request_answer(req);
382 case REQ_COMM_GET_DST_DATA:
383 req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
384 SIMIX_request_answer(req);
387 case REQ_COMM_GET_SRC_BUFF:
388 req->comm_get_src_buff.result =
389 SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
390 SIMIX_request_answer(req);
393 case REQ_COMM_GET_DST_BUFF:
394 req->comm_get_dst_buff.result =
395 SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
396 SIMIX_request_answer(req);
399 case REQ_COMM_GET_SRC_BUFF_SIZE:
400 req->comm_get_src_buff_size.result =
401 SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
402 SIMIX_request_answer(req);
405 case REQ_COMM_GET_DST_BUFF_SIZE:
406 req->comm_get_dst_buff_size.result =
407 SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
408 SIMIX_request_answer(req);
411 case REQ_COMM_GET_SRC_PROC:
412 req->comm_get_src_proc.result =
413 SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
414 SIMIX_request_answer(req);
417 case REQ_COMM_GET_DST_PROC:
418 req->comm_get_dst_proc.result =
419 SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
420 SIMIX_request_answer(req);
423 #ifdef HAVE_LATENCY_BOUND_TRACKING
424 case REQ_COMM_IS_LATENCY_BOUNDED:
425 req->comm_is_latency_bounded.result =
426 SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
427 SIMIX_request_answer(req);
432 case REQ_SET_CATEGORY:
434 req->set_category.action,
435 req->set_category.category);
436 SIMIX_request_answer(req);
441 req->mutex_init.result = SIMIX_mutex_init();
442 SIMIX_request_answer(req);
445 case REQ_MUTEX_DESTROY:
446 SIMIX_mutex_destroy(req->mutex_destroy.mutex);
447 SIMIX_request_answer(req);
451 SIMIX_pre_mutex_lock(req);
454 case REQ_MUTEX_TRYLOCK:
455 req->mutex_trylock.result =
456 SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
457 SIMIX_request_answer(req);
460 case REQ_MUTEX_UNLOCK:
461 SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
462 SIMIX_request_answer(req);
466 req->cond_init.result = SIMIX_cond_init();
467 SIMIX_request_answer(req);
470 case REQ_COND_DESTROY:
471 SIMIX_cond_destroy(req->cond_destroy.cond);
472 SIMIX_request_answer(req);
475 case REQ_COND_SIGNAL:
476 SIMIX_cond_signal(req->cond_signal.cond);
477 SIMIX_request_answer(req);
481 SIMIX_pre_cond_wait(req);
484 case REQ_COND_WAIT_TIMEOUT:
485 SIMIX_pre_cond_wait_timeout(req);
488 case REQ_COND_BROADCAST:
489 SIMIX_cond_broadcast(req->cond_broadcast.cond);
490 SIMIX_request_answer(req);
494 req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
495 SIMIX_request_answer(req);
498 case REQ_SEM_DESTROY:
499 SIMIX_sem_destroy(req->sem_destroy.sem);
500 SIMIX_request_answer(req);
503 case REQ_SEM_RELEASE:
504 SIMIX_sem_release(req->sem_release.sem);
505 SIMIX_request_answer(req);
508 case REQ_SEM_WOULD_BLOCK:
509 req->sem_would_block.result =
510 SIMIX_sem_would_block(req->sem_would_block.sem);
511 SIMIX_request_answer(req);
514 case REQ_SEM_ACQUIRE:
515 SIMIX_pre_sem_acquire(req);
518 case REQ_SEM_ACQUIRE_TIMEOUT:
519 SIMIX_pre_sem_acquire_timeout(req);
522 case REQ_SEM_GET_CAPACITY:
523 req->sem_get_capacity.result =
524 SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
525 SIMIX_request_answer(req);
530 void SIMIX_request_post(smx_action_t action)
532 switch (action->type) {
534 case SIMIX_ACTION_EXECUTE:
535 case SIMIX_ACTION_PARALLEL_EXECUTE:
536 SIMIX_post_host_execute(action);
539 case SIMIX_ACTION_COMMUNICATE:
540 SIMIX_post_comm(action);
543 case SIMIX_ACTION_SLEEP:
544 SIMIX_post_process_sleep(action);
547 case SIMIX_ACTION_SYNCHRO:
548 SIMIX_post_synchro(action);
551 case SIMIX_ACTION_IO: