1 /* smx_user.c - public interface to simix */
3 /* Copyright (c) 2010, 2011. Da SimGrid team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 # define _SVID_SOURCE /* strdup() */
10 #ifndef _ISOC99_SOURCE
11 # define _ISOC99_SOURCE /* isfinite() */
13 #ifndef _ISO_C99_SOURCE
14 # define _ISO_C99_SOURCE /* isfinite() */
16 #include <math.h> /* isfinite() */
22 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
24 static const char* request_names[] = {
25 #undef SIMIX_REQ_ENUM_ELEMENT
26 #define SIMIX_REQ_ENUM_ELEMENT(x) #x /* generate strings from the enumeration values */
28 #undef SIMIX_REQ_ENUM_ELEMENT
32 * \brief Returns a host given its name.
34 * \param name The name of the host to get
35 * \return The corresponding host
37 smx_host_t SIMIX_req_host_get_by_name(const char *name)
39 smx_req_t req = SIMIX_req_mine();
41 req->call = REQ_HOST_GET_BY_NAME;
42 req->host_get_by_name.name = name;
44 return req->host_get_by_name.result;
48 * \brief Returns the name of a host.
50 * \param host A SIMIX host
51 * \return The name of this host
53 const char* SIMIX_req_host_get_name(smx_host_t host)
55 smx_req_t req = SIMIX_req_mine();
57 req->call = REQ_HOST_GET_NAME;
58 req->host_get_name.host = host;
60 return req->host_get_name.result;
64 * \brief Returns a dict of the properties assigned to a host.
67 * \return The properties of this host
69 xbt_dict_t SIMIX_req_host_get_properties(smx_host_t host)
71 smx_req_t req = SIMIX_req_mine();
73 req->call = REQ_HOST_GET_PROPERTIES;
74 req->host_get_properties.host = host;
76 return req->host_get_properties.result;
80 * \brief Returns the speed of the processor.
82 * The speed returned does not take into account the current load on the machine.
83 * \param host A SIMIX host
84 * \return The speed of this host (in Mflop/s)
86 double SIMIX_req_host_get_speed(smx_host_t host)
88 smx_req_t req = SIMIX_req_mine();
90 req->call = REQ_HOST_GET_SPEED;
91 req->host_get_speed.host = host;
93 return req->host_get_speed.result;
97 * \brief Returns the available speed of the processor.
99 * \return Speed currently available (in Mflop/s)
101 double SIMIX_req_host_get_available_speed(smx_host_t host)
103 smx_req_t req = SIMIX_req_mine();
105 req->call = REQ_HOST_GET_AVAILABLE_SPEED;
106 req->host_get_available_speed.host = host;
107 SIMIX_request_push();
108 return req->host_get_available_speed.result;
112 * \brief Returns the state of a host.
114 * Two states are possible: 1 if the host is active or 0 if it has crashed.
115 * \param host A SIMIX host
116 * \return 1 if the host is available, 0 otherwise
118 int SIMIX_req_host_get_state(smx_host_t host)
120 smx_req_t req = SIMIX_req_mine();
122 req->call = REQ_HOST_GET_STATE;
123 req->host_get_state.host = host;
124 SIMIX_request_push();
125 return req->host_get_state.result;
129 * \brief Returns the user data associated to a host.
131 * \param host SIMIX host
132 * \return the user data of this host
134 void* SIMIX_req_host_get_data(smx_host_t host)
136 smx_req_t req = SIMIX_req_mine();
138 req->call = REQ_HOST_GET_DATA;
139 req->host_get_data.host = host;
140 SIMIX_request_push();
141 return req->host_get_data.result;
145 * \brief Sets the user data associated to a host.
147 * The host must not have previous user data associated to it.
148 * \param A host SIMIX host
149 * \param data The user data to set
151 void SIMIX_req_host_set_data(smx_host_t host, void *data)
153 smx_req_t req = SIMIX_req_mine();
155 req->call = REQ_HOST_SET_DATA;
156 req->host_set_data.host = host;
157 req->host_set_data.data = data;
158 SIMIX_request_push();
161 /** \brief Creates an action that executes some computation of an host.
163 * This function creates a SURF action and allocates the data necessary
164 * to create the SIMIX action. It can raise a host_error exception if the host crashed.
166 * \param name Name of the execution action to create
167 * \param host SIMIX host where the action will be executed
168 * \param amount Computation amount (in bytes)
169 * \return A new SIMIX execution action
171 smx_action_t SIMIX_req_host_execute(const char *name, smx_host_t host,
172 double computation_amount,
175 /* checking for infinite values */
176 xbt_assert(isfinite(computation_amount), "computation_amount is not finite!");
177 xbt_assert(isfinite(priority), "priority is not finite!");
179 smx_req_t req = SIMIX_req_mine();
181 req->call = REQ_HOST_EXECUTE;
182 req->host_execute.name = name;
183 req->host_execute.host = host;
184 req->host_execute.computation_amount = computation_amount;
185 req->host_execute.priority = priority;
186 SIMIX_request_push();
187 return req->host_execute.result;
190 /** \brief Creates an action that may involve parallel computation on
191 * several hosts and communication between them.
193 * \param name Name of the execution action to create
194 * \param host_nb Number of hosts where the action will be executed
195 * \param host_list Array (of size host_nb) of hosts where the action will be executed
196 * \param computation_amount Array (of size host_nb) of computation amount of hosts (in bytes)
197 * \param communication_amount Array (of size host_nb * host_nb) representing the communication
198 * amount between each pair of hosts
199 * \param amount the SURF action amount
200 * \param rate the SURF action rate
201 * \return A new SIMIX execution action
203 smx_action_t SIMIX_req_host_parallel_execute(const char *name,
205 smx_host_t *host_list,
206 double *computation_amount,
207 double *communication_amount,
212 /* checking for infinite values */
213 for (i = 0 ; i < host_nb ; ++i) {
214 xbt_assert(isfinite(computation_amount[i]), "computation_amount[%d] is not finite!", i);
215 for (j = 0 ; j < host_nb ; ++j) {
216 xbt_assert(isfinite(communication_amount[i + host_nb * j]),
217 "communication_amount[%d+%d*%d] is not finite!", i, host_nb, j);
221 xbt_assert(isfinite(amount), "amount is not finite!");
222 xbt_assert(isfinite(rate), "rate is not finite!");
224 smx_req_t req = SIMIX_req_mine();
226 req->call = REQ_HOST_PARALLEL_EXECUTE;
227 req->host_parallel_execute.name = name;
228 req->host_parallel_execute.host_nb = host_nb;
229 req->host_parallel_execute.host_list = host_list;
230 req->host_parallel_execute.computation_amount = computation_amount;
231 req->host_parallel_execute.communication_amount = communication_amount;
232 req->host_parallel_execute.amount = amount;
233 req->host_parallel_execute.rate = rate;
234 SIMIX_request_push();
235 return req->host_parallel_execute.result;
239 * \brief Destroys an execution action.
241 * Destroys an action, freing its memory. This function cannot be called if there are a conditional waiting for it.
242 * \param action The execution action to destroy
244 void SIMIX_req_host_execution_destroy(smx_action_t execution)
246 smx_req_t req = SIMIX_req_mine();
248 req->call = REQ_HOST_EXECUTION_DESTROY;
249 req->host_execution_destroy.execution = execution;
250 SIMIX_request_push();
254 * \brief Cancels an execution action.
256 * This functions stops the execution. It calls a surf function.
257 * \param action The execution action to cancel
259 void SIMIX_req_host_execution_cancel(smx_action_t execution)
261 smx_req_t req = SIMIX_req_mine();
263 req->call = REQ_HOST_EXECUTION_CANCEL;
264 req->host_execution_cancel.execution = execution;
265 SIMIX_request_push();
269 * \brief Returns how much of an execution action remains to be done.
271 * \param Action The execution action
272 * \return The remaining amount
274 double SIMIX_req_host_execution_get_remains(smx_action_t execution)
276 smx_req_t req = SIMIX_req_mine();
278 req->call = REQ_HOST_EXECUTION_GET_REMAINS;
279 req->host_execution_get_remains.execution = execution;
280 SIMIX_request_push();
281 return req->host_execution_get_remains.result;
285 * \brief Returns the state of an execution action.
287 * \param execution The execution action
290 e_smx_state_t SIMIX_req_host_execution_get_state(smx_action_t execution)
292 smx_req_t req = SIMIX_req_mine();
294 req->call = REQ_HOST_EXECUTION_GET_STATE;
295 req->host_execution_get_state.execution = execution;
296 SIMIX_request_push();
297 return req->host_execution_get_state.result;
301 * \brief Changes the priority of an execution action.
303 * This functions changes the priority only. It calls a surf function.
304 * \param execution The execution action
305 * \param priority The new priority
307 void SIMIX_req_host_execution_set_priority(smx_action_t execution, double priority)
309 /* checking for infinite values */
310 xbt_assert(isfinite(priority), "priority is not finite!");
312 smx_req_t req = SIMIX_req_mine();
314 req->call = REQ_HOST_EXECUTION_SET_PRIORITY;
315 req->host_execution_set_priority.execution = execution;
316 req->host_execution_set_priority.priority = priority;
317 SIMIX_request_push();
321 * \brief Waits for the completion of an execution action and destroy it.
323 * \param execution The execution action
325 e_smx_state_t SIMIX_req_host_execution_wait(smx_action_t execution)
327 smx_req_t req = SIMIX_req_mine();
329 req->call = REQ_HOST_EXECUTION_WAIT;
330 req->host_execution_wait.execution = execution;
331 SIMIX_request_push();
332 return req->host_execution_wait.result;
336 * \brief Creates and runs a new SIMIX process.
338 * The structure and the corresponding thread are created and put in the list of ready processes.
340 * \param process the process created will be stored in this pointer
341 * \param name a name for the process. It is for user-level information and can be NULL.
342 * \param code the main function of the process
343 * \param data a pointer to any data one may want to attach to the new object. It is for user-level information and can be NULL.
344 * It can be retrieved with the function \ref SIMIX_req_process_get_data.
345 * \param hostname name of the host where the new agent is executed.
346 * \param argc first argument passed to \a code
347 * \param argv second argument passed to \a code
348 * \param properties the properties of the process
350 void SIMIX_req_process_create(smx_process_t *process, const char *name,
351 xbt_main_func_t code,
353 const char *hostname,
354 int argc, char **argv,
355 xbt_dict_t properties)
357 smx_req_t req = SIMIX_req_mine();
359 req->call = REQ_PROCESS_CREATE;
360 req->process_create.process = process;
361 req->process_create.name = name;
362 req->process_create.code = code;
363 req->process_create.data = data;
364 req->process_create.hostname = hostname;
365 req->process_create.argc = argc;
366 req->process_create.argv = argv;
367 req->process_create.properties = properties;
368 SIMIX_request_push();
371 /** \brief Kills a SIMIX process.
373 * This function simply kills a process.
375 * \param process poor victim
377 void SIMIX_req_process_kill(smx_process_t process)
379 smx_req_t req = SIMIX_req_mine();
381 req->call = REQ_PROCESS_KILL;
382 req->process_kill.process = process;
383 SIMIX_request_push();
386 /** \brief Kills all SIMIX processes.
388 void SIMIX_req_process_killall(void)
390 smx_req_t req = SIMIX_req_mine();
392 req->call = REQ_PROCESS_KILLALL;
393 SIMIX_request_push();
396 /** \brief Cleans up a SIMIX process.
397 * \param process poor victim (must have already been killed)
399 void SIMIX_req_process_cleanup(smx_process_t process)
401 smx_req_t req = SIMIX_req_mine();
403 req->call = REQ_PROCESS_CLEANUP;
404 req->process_cleanup.process = process;
405 SIMIX_request_push();
409 * \brief Migrates an agent to another location.
411 * This function changes the value of the host on which \a process is running.
413 * \param process the process to migrate
414 * \param source name of the previous host
415 * \param dest name of the new host
417 void SIMIX_req_process_change_host(smx_process_t process, smx_host_t dest)
419 smx_req_t req = SIMIX_req_mine();
421 req->call = REQ_PROCESS_CHANGE_HOST;
422 req->process_change_host.process = process;
423 req->process_change_host.dest = dest;
424 SIMIX_request_push();
428 * \brief Suspends a process.
430 * This function suspends the process by suspending the action
431 * it was waiting for completion.
433 * \param process a SIMIX process
435 void SIMIX_req_process_suspend(smx_process_t process)
437 xbt_assert(process, "Invalid parameters");
439 smx_req_t req = SIMIX_req_mine();
441 req->call = REQ_PROCESS_SUSPEND;
442 req->process_suspend.process = process;
443 SIMIX_request_push();
447 * \brief Resumes a suspended process.
449 * This function resumes a suspended process by resuming the action
450 * it was waiting for completion.
452 * \param process a SIMIX process
454 void SIMIX_req_process_resume(smx_process_t process)
456 smx_req_t req = SIMIX_req_mine();
458 req->call = REQ_PROCESS_RESUME;
459 req->process_resume.process = process;
460 SIMIX_request_push();
464 * \brief Returns the amount of SIMIX processes in the system
466 * Maestro internal process is not counted, only user code processes are
468 int SIMIX_req_process_count(void)
470 smx_req_t req = SIMIX_req_mine();
472 req->call = REQ_PROCESS_COUNT;
473 SIMIX_request_push();
474 return req->process_count.result;
478 * \brief Return the user data of a #smx_process_t.
480 * This functions checks whether \a process is a valid pointer or not and return the user data associated to \a process if it is possible.
481 * \param process SIMIX process
482 * \return A void pointer to the user data
484 void* SIMIX_req_process_get_data(smx_process_t process)
486 if (process == SIMIX_process_self()) {
487 /* avoid a request if this function is called by the process itself */
488 return SIMIX_process_self_get_data();
491 smx_req_t req = SIMIX_req_mine();
493 req->call = REQ_PROCESS_GET_DATA;
494 req->process_get_data.process = process;
495 SIMIX_request_push();
496 return req->process_get_data.result;
500 * \brief Set the user data of a #m_process_t.
502 * This functions checks whether \a process is a valid pointer or not and set the user data associated to \a process if it is possible.
503 * \param process SIMIX process
504 * \param data User data
506 void SIMIX_req_process_set_data(smx_process_t process, void *data)
508 if (process == SIMIX_process_self()) {
509 /* avoid a request if this function is called by the process itself */
510 SIMIX_process_self_set_data(data);
514 smx_req_t req = SIMIX_req_mine();
516 req->call = REQ_PROCESS_SET_DATA;
517 req->process_set_data.process = process;
518 req->process_set_data.data = data;
519 SIMIX_request_push();
524 * \brief Return the location on which an agent is running.
526 * This functions checks whether \a process is a valid pointer or not and return the m_host_t corresponding to the location on which \a process is running.
527 * \param process SIMIX process
530 smx_host_t SIMIX_req_process_get_host(smx_process_t process)
532 smx_req_t req = SIMIX_req_mine();
534 req->call = REQ_PROCESS_GET_HOST;
535 req->process_get_host.process = process;
536 SIMIX_request_push();
537 return req->process_get_host.result;
541 * \brief Return the name of an agent.
543 * This functions checks whether \a process is a valid pointer or not and return its name.
544 * \param process SIMIX process
545 * \return The process name
547 const char* SIMIX_req_process_get_name(smx_process_t process)
549 if (process == SIMIX_process_self()) {
550 /* avoid a request if this function is called by the process itself */
551 return process->name;
554 smx_req_t req = SIMIX_req_mine();
556 req->call = REQ_PROCESS_GET_NAME;
557 req->process_get_name.process = process;
558 SIMIX_request_push();
559 return req->process_get_name.result;
563 * \brief Returns true if the process is suspended .
565 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
566 * \param process SIMIX process
567 * \return 1, if the process is suspended, else 0.
569 int SIMIX_req_process_is_suspended(smx_process_t process)
571 smx_req_t req = SIMIX_req_mine();
573 req->call = REQ_PROCESS_IS_SUSPENDED;
574 req->process_is_suspended.process = process;
575 SIMIX_request_push();
576 return req->process_is_suspended.result;
579 /** \ingroup m_process_management
580 * \brief Return the properties
582 * This functions returns the properties associated with this process
584 xbt_dict_t SIMIX_req_process_get_properties(smx_process_t process)
586 smx_req_t req = SIMIX_req_mine();
588 req->call = REQ_PROCESS_GET_PROPERTIES;
589 req->process_get_properties.process = process;
590 SIMIX_request_push();
591 return req->process_get_properties.result;
594 /** \brief Creates a new sleep SIMIX action.
596 * This function creates a SURF action and allocates the data necessary
597 * to create the SIMIX action. It can raise a host_error exception if the
598 * host crashed. The default SIMIX name of the action is "sleep".
600 * \param duration Time duration of the sleep.
601 * \return A result telling whether the sleep was successful
603 e_smx_state_t SIMIX_req_process_sleep(double duration)
605 /* checking for infinite values */
606 xbt_assert(isfinite(duration), "duration is not finite!");
608 smx_req_t req = SIMIX_req_mine();
610 req->call = REQ_PROCESS_SLEEP;
611 req->process_sleep.duration = duration;
612 SIMIX_request_push();
613 return req->process_sleep.result;
617 * \brief Creates a new rendez-vous point
618 * \param name The name of the rendez-vous point
619 * \return The created rendez-vous point
621 smx_rdv_t SIMIX_req_rdv_create(const char *name)
623 smx_req_t req = SIMIX_req_mine();
625 req->call = REQ_RDV_CREATE;
626 req->rdv_create.name = name;
628 SIMIX_request_push();
629 return req->rdv_create.result;
634 * \brief Destroy a rendez-vous point
635 * \param name The rendez-vous point to destroy
637 void SIMIX_req_rdv_destroy(smx_rdv_t rdv)
639 smx_req_t req = SIMIX_req_mine();
641 req->call = REQ_RDV_DESTROY;
642 req->rdv_destroy.rdv = rdv;
644 SIMIX_request_push();
647 smx_rdv_t SIMIX_req_rdv_get_by_name(const char *name)
649 xbt_assert(name != NULL, "Invalid parameter for SIMIX_req_rdv_get_by_name (name is NULL)");
651 /* FIXME: this is a horrible lost of performance, so we hack it out by
652 * skipping the request (for now). It won't work on distributed but
653 * probably we will change MSG for that. */
655 smx_req_t req = SIMIX_req_mine();
656 req->call = REQ_RDV_GEY_BY_NAME;
657 req->rdv_get_by_name.name = name;
658 SIMIX_request_push();
659 return req->rdv_get_by_name.result;*/
661 return SIMIX_rdv_get_by_name(name);
665 * \brief counts the number of communication requests of a given host pending
666 * on a rendez-vous point
667 * \param rdv The rendez-vous point
668 * \param host The host to be counted
669 * \return The number of comm request pending in the rdv
671 int SIMIX_req_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
673 smx_req_t req = SIMIX_req_mine();
675 req->call = REQ_RDV_COMM_COUNT_BY_HOST;
676 req->rdv_comm_count_by_host.rdv = rdv;
677 req->rdv_comm_count_by_host.host = host;
679 SIMIX_request_push();
680 return req->rdv_comm_count_by_host.result;
684 * \brief returns the communication at the head of the rendez-vous
685 * \param rdv The rendez-vous point
686 * \return The communication or NULL if empty
688 smx_action_t SIMIX_req_rdv_get_head(smx_rdv_t rdv)
690 smx_req_t req = SIMIX_req_mine();
692 req->call = REQ_RDV_GET_HEAD;
693 req->rdv_get_head.rdv = rdv;
695 SIMIX_request_push();
696 return req->rdv_get_head.result;
699 void SIMIX_req_comm_send(smx_rdv_t rdv, double task_size, double rate,
700 void *src_buff, size_t src_buff_size,
701 int (*match_fun)(void *, void *), void *data,
704 /* checking for infinite values */
705 xbt_assert(isfinite(task_size), "task_size is not finite!");
706 xbt_assert(isfinite(rate), "rate is not finite!");
707 xbt_assert(isfinite(timeout), "timeout is not finite!");
709 xbt_assert(rdv, "No rendez-vous point defined for send");
712 /* the model-checker wants two separate requests */
713 smx_action_t comm = SIMIX_req_comm_isend(rdv, task_size, rate,
714 src_buff, src_buff_size, match_fun, data, 0);
715 SIMIX_req_comm_wait(comm, timeout);
718 smx_req_t req = SIMIX_req_mine();
720 req->call = REQ_COMM_SEND;
721 req->comm_send.rdv = rdv;
722 req->comm_send.task_size = task_size;
723 req->comm_send.rate = rate;
724 req->comm_send.src_buff = src_buff;
725 req->comm_send.src_buff_size = src_buff_size;
726 req->comm_send.match_fun = match_fun;
727 req->comm_send.data = data;
728 req->comm_send.timeout = timeout;
730 SIMIX_request_push();
734 smx_action_t SIMIX_req_comm_isend(smx_rdv_t rdv, double task_size, double rate,
735 void *src_buff, size_t src_buff_size,
736 int (*match_fun)(void *, void *), void *data,
739 /* checking for infinite values */
740 xbt_assert(isfinite(task_size), "task_size is not finite!");
741 xbt_assert(isfinite(rate), "rate is not finite!");
743 xbt_assert(rdv, "No rendez-vous point defined for isend");
745 smx_req_t req = SIMIX_req_mine();
747 req->call = REQ_COMM_ISEND;
748 req->comm_isend.rdv = rdv;
749 req->comm_isend.task_size = task_size;
750 req->comm_isend.rate = rate;
751 req->comm_isend.src_buff = src_buff;
752 req->comm_isend.src_buff_size = src_buff_size;
753 req->comm_isend.match_fun = match_fun;
754 req->comm_isend.data = data;
755 req->comm_isend.detached = detached;
757 SIMIX_request_push();
758 return req->comm_isend.result;
761 void SIMIX_req_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
762 int (*match_fun)(void *, void *), void *data, double timeout)
764 xbt_assert(isfinite(timeout), "timeout is not finite!");
765 xbt_assert(rdv, "No rendez-vous point defined for recv");
768 /* the model-checker wants two separate requests */
769 smx_action_t comm = SIMIX_req_comm_irecv(rdv, dst_buff, dst_buff_size,
771 SIMIX_req_comm_wait(comm, timeout);
774 smx_req_t req = SIMIX_req_mine();
776 req->call = REQ_COMM_RECV;
777 req->comm_recv.rdv = rdv;
778 req->comm_recv.dst_buff = dst_buff;
779 req->comm_recv.dst_buff_size = dst_buff_size;
780 req->comm_recv.match_fun = match_fun;
781 req->comm_recv.data = data;
782 req->comm_recv.timeout = timeout;
784 SIMIX_request_push();
788 smx_action_t SIMIX_req_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
789 int (*match_fun)(void *, void *), void *data)
791 xbt_assert(rdv, "No rendez-vous point defined for irecv");
793 smx_req_t req = SIMIX_req_mine();
795 req->call = REQ_COMM_IRECV;
796 req->comm_irecv.rdv = rdv;
797 req->comm_irecv.dst_buff = dst_buff;
798 req->comm_irecv.dst_buff_size = dst_buff_size;
799 req->comm_irecv.match_fun = match_fun;
800 req->comm_irecv.data = data;
802 SIMIX_request_push();
803 return req->comm_irecv.result;
806 void SIMIX_req_comm_destroy(smx_action_t comm)
808 xbt_assert(comm, "Invalid parameter");
810 /* FIXME remove this request type: comms are auto-destroyed now */
813 smx_req_t req = SIMIX_req_mine();
815 req->call = REQ_COMM_DESTROY;
816 req->comm_destroy.comm = comm;
818 SIMIX_request_push();
822 void SIMIX_req_comm_cancel(smx_action_t comm)
824 smx_req_t req = SIMIX_req_mine();
826 req->call = REQ_COMM_CANCEL;
827 req->comm_cancel.comm = comm;
829 SIMIX_request_push();
832 unsigned int SIMIX_req_comm_waitany(xbt_dynar_t comms)
834 smx_req_t req = SIMIX_req_mine();
836 req->call = REQ_COMM_WAITANY;
837 req->comm_waitany.comms = comms;
839 SIMIX_request_push();
840 return req->comm_waitany.result;
843 int SIMIX_req_comm_testany(xbt_dynar_t comms)
845 smx_req_t req = SIMIX_req_mine();
846 if (xbt_dynar_is_empty(comms))
849 req->call = REQ_COMM_TESTANY;
850 req->comm_testany.comms = comms;
852 SIMIX_request_push();
853 return req->comm_testany.result;
856 void SIMIX_req_comm_wait(smx_action_t comm, double timeout)
858 xbt_assert(isfinite(timeout), "timeout is not finite!");
860 smx_req_t req = SIMIX_req_mine();
862 req->call = REQ_COMM_WAIT;
863 req->comm_wait.comm = comm;
864 req->comm_wait.timeout = timeout;
866 SIMIX_request_push();
871 * \brief Set the category of an action.
873 * This functions changes the category only. It calls a surf function.
874 * \param execution The execution action
875 * \param category The tracing category
877 void SIMIX_req_set_category(smx_action_t action, const char *category)
879 if (category == NULL) {
883 smx_req_t req = SIMIX_req_mine();
885 req->call = REQ_SET_CATEGORY;
886 req->set_category.action = action;
887 req->set_category.category = category;
889 SIMIX_request_push();
893 int SIMIX_req_comm_test(smx_action_t comm)
895 smx_req_t req = SIMIX_req_mine();
897 req->call = REQ_COMM_TEST;
898 req->comm_test.comm = comm;
900 SIMIX_request_push();
901 return req->comm_test.result;
904 double SIMIX_req_comm_get_remains(smx_action_t comm)
906 smx_req_t req = SIMIX_req_mine();
908 req->call = REQ_COMM_GET_REMAINS;
909 req->comm_get_remains.comm = comm;
911 SIMIX_request_push();
912 return req->comm_get_remains.result;
915 e_smx_state_t SIMIX_req_comm_get_state(smx_action_t comm)
917 smx_req_t req = SIMIX_req_mine();
919 req->call = REQ_COMM_GET_STATE;
920 req->comm_get_state.comm = comm;
922 SIMIX_request_push();
923 return req->comm_get_state.result;
926 void *SIMIX_req_comm_get_src_data(smx_action_t comm)
928 smx_req_t req = SIMIX_req_mine();
930 req->call = REQ_COMM_GET_SRC_DATA;
931 req->comm_get_src_data.comm = comm;
933 SIMIX_request_push();
934 return req->comm_get_src_data.result;
937 void *SIMIX_req_comm_get_dst_data(smx_action_t comm)
939 smx_req_t req = SIMIX_req_mine();
941 req->call = REQ_COMM_GET_DST_DATA;
942 req->comm_get_dst_data.comm = comm;
944 SIMIX_request_push();
945 return req->comm_get_dst_data.result;
948 smx_process_t SIMIX_req_comm_get_src_proc(smx_action_t comm)
950 smx_req_t req = SIMIX_req_mine();
952 req->call = REQ_COMM_GET_SRC_PROC;
953 req->comm_get_src_proc.comm = comm;
955 SIMIX_request_push();
956 return req->comm_get_src_proc.result;
959 smx_process_t SIMIX_req_comm_get_dst_proc(smx_action_t comm)
961 smx_req_t req = SIMIX_req_mine();
963 req->call = REQ_COMM_GET_DST_PROC;
964 req->comm_get_dst_proc.comm = comm;
966 SIMIX_request_push();
967 return req->comm_get_dst_proc.result;
970 #ifdef HAVE_LATENCY_BOUND_TRACKING
971 int SIMIX_req_comm_is_latency_bounded(smx_action_t comm)
973 smx_req_t req = SIMIX_req_mine();
975 req->call = REQ_COMM_IS_LATENCY_BOUNDED;
976 req->comm_is_latency_bounded.comm = comm;
978 SIMIX_request_push();
979 return req->comm_is_latency_bounded.result;
983 smx_mutex_t SIMIX_req_mutex_init(void)
985 smx_req_t req = SIMIX_req_mine();
987 req->call = REQ_MUTEX_INIT;
989 SIMIX_request_push();
990 return req->mutex_init.result;
993 void SIMIX_req_mutex_destroy(smx_mutex_t mutex)
995 smx_req_t req = SIMIX_req_mine();
997 req->call = REQ_MUTEX_DESTROY;
998 req->mutex_destroy.mutex = mutex;
1000 SIMIX_request_push();
1003 void SIMIX_req_mutex_lock(smx_mutex_t mutex)
1005 smx_req_t req = SIMIX_req_mine();
1007 req->call = REQ_MUTEX_LOCK;
1008 req->mutex_lock.mutex = mutex;
1010 SIMIX_request_push();
1013 int SIMIX_req_mutex_trylock(smx_mutex_t mutex)
1015 smx_req_t req = SIMIX_req_mine();
1017 req->call = REQ_MUTEX_TRYLOCK;
1018 req->mutex_trylock.mutex = mutex;
1020 SIMIX_request_push();
1021 return req->mutex_trylock.result;
1024 void SIMIX_req_mutex_unlock(smx_mutex_t mutex)
1026 smx_req_t req = SIMIX_req_mine();
1028 req->call = REQ_MUTEX_UNLOCK;
1029 req->mutex_unlock.mutex = mutex;
1031 SIMIX_request_push();
1035 smx_cond_t SIMIX_req_cond_init(void)
1037 smx_req_t req = SIMIX_req_mine();
1039 req->call = REQ_COND_INIT;
1041 SIMIX_request_push();
1042 return req->cond_init.result;
1045 void SIMIX_req_cond_destroy(smx_cond_t cond)
1047 smx_req_t req = SIMIX_req_mine();
1049 req->call = REQ_COND_DESTROY;
1050 req->cond_destroy.cond = cond;
1052 SIMIX_request_push();
1055 void SIMIX_req_cond_signal(smx_cond_t cond)
1057 smx_req_t req = SIMIX_req_mine();
1059 req->call = REQ_COND_SIGNAL;
1060 req->cond_signal.cond = cond;
1062 SIMIX_request_push();
1065 void SIMIX_req_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1067 smx_req_t req = SIMIX_req_mine();
1069 req->call = REQ_COND_WAIT;
1070 req->cond_wait.cond = cond;
1071 req->cond_wait.mutex = mutex;
1073 SIMIX_request_push();
1076 void SIMIX_req_cond_wait_timeout(smx_cond_t cond,
1080 xbt_assert(isfinite(timeout), "timeout is not finite!");
1082 smx_req_t req = SIMIX_req_mine();
1084 req->call = REQ_COND_WAIT_TIMEOUT;
1085 req->cond_wait_timeout.cond = cond;
1086 req->cond_wait_timeout.mutex = mutex;
1087 req->cond_wait_timeout.timeout = timeout;
1089 SIMIX_request_push();
1092 void SIMIX_req_cond_broadcast(smx_cond_t cond)
1094 smx_req_t req = SIMIX_req_mine();
1096 req->call = REQ_COND_BROADCAST;
1097 req->cond_broadcast.cond = cond;
1099 SIMIX_request_push();
1103 smx_sem_t SIMIX_req_sem_init(int capacity)
1105 smx_req_t req = SIMIX_req_mine();
1107 req->call = REQ_SEM_INIT;
1108 req->sem_init.capacity = capacity;
1110 SIMIX_request_push();
1111 return req->sem_init.result;
1114 void SIMIX_req_sem_destroy(smx_sem_t sem)
1116 smx_req_t req = SIMIX_req_mine();
1118 req->call = REQ_SEM_DESTROY;
1119 req->sem_destroy.sem = sem;
1121 SIMIX_request_push();
1124 void SIMIX_req_sem_release(smx_sem_t sem)
1126 smx_req_t req = SIMIX_req_mine();
1128 req->call = REQ_SEM_RELEASE;
1129 req->sem_release.sem = sem;
1131 SIMIX_request_push();
1134 int SIMIX_req_sem_would_block(smx_sem_t sem)
1136 smx_req_t req = SIMIX_req_mine();
1138 req->call = REQ_SEM_WOULD_BLOCK;
1139 req->sem_would_block.sem = sem;
1141 SIMIX_request_push();
1142 return req->sem_would_block.result;
1145 void SIMIX_req_sem_acquire(smx_sem_t sem)
1147 smx_req_t req = SIMIX_req_mine();
1149 req->call = REQ_SEM_ACQUIRE;
1150 req->sem_acquire.sem = sem;
1152 SIMIX_request_push();
1155 void SIMIX_req_sem_acquire_timeout(smx_sem_t sem, double timeout)
1157 xbt_assert(isfinite(timeout), "timeout is not finite!");
1159 smx_req_t req = SIMIX_req_mine();
1161 req->call = REQ_SEM_ACQUIRE_TIMEOUT;
1162 req->sem_acquire_timeout.sem = sem;
1163 req->sem_acquire_timeout.timeout = timeout;
1165 SIMIX_request_push();
1168 int SIMIX_req_sem_get_capacity(smx_sem_t sem)
1170 smx_req_t req = SIMIX_req_mine();
1172 req->call = REQ_SEM_GET_CAPACITY;
1173 req->sem_get_capacity.sem = sem;
1175 SIMIX_request_push();
1176 return req->sem_get_capacity.result;
1178 /* ************************************************************************** */
1180 /** @brief returns a printable string representing the request kind */
1181 const char *SIMIX_request_name(int kind) {
1182 return request_names[kind];