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() */
18 #include "smx_private.h"
22 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
24 static const char* simcall_names[] = {
25 #undef SIMCALL_ENUM_ELEMENT
26 #define SIMCALL_ENUM_ELEMENT(x) #x /* generate strings from the enumeration values */
28 #undef SIMCALL_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 simcall_host_get_by_name(const char *name)
39 smx_simcall_t simcall = SIMIX_simcall_mine();
41 simcall->call = SIMCALL_HOST_GET_BY_NAME;
42 simcall->host_get_by_name.name = name;
43 SIMIX_simcall_push(simcall->issuer);
44 return simcall->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* simcall_host_get_name(smx_host_t host)
55 smx_simcall_t simcall = SIMIX_simcall_mine();
57 simcall->call = SIMCALL_HOST_GET_NAME;
58 simcall->host_get_name.host = host;
59 SIMIX_simcall_push(simcall->issuer);
60 return simcall->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 simcall_host_get_properties(smx_host_t host)
71 smx_simcall_t simcall = SIMIX_simcall_mine();
73 simcall->call = SIMCALL_HOST_GET_PROPERTIES;
74 simcall->host_get_properties.host = host;
75 SIMIX_simcall_push(simcall->issuer);
76 return simcall->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 simcall_host_get_speed(smx_host_t host)
88 smx_simcall_t simcall = SIMIX_simcall_mine();
90 simcall->call = SIMCALL_HOST_GET_SPEED;
91 simcall->host_get_speed.host = host;
92 SIMIX_simcall_push(simcall->issuer);
93 return simcall->host_get_speed.result;
97 * \brief Returns the available speed of the processor.
99 * \return Speed currently available (in Mflop/s)
101 double simcall_host_get_available_speed(smx_host_t host)
103 smx_simcall_t simcall = SIMIX_simcall_mine();
105 simcall->call = SIMCALL_HOST_GET_AVAILABLE_SPEED;
106 simcall->host_get_available_speed.host = host;
107 SIMIX_simcall_push(simcall->issuer);
108 return simcall->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 simcall_host_get_state(smx_host_t host)
120 smx_simcall_t simcall = SIMIX_simcall_mine();
122 simcall->call = SIMCALL_HOST_GET_STATE;
123 simcall->host_get_state.host = host;
124 SIMIX_simcall_push(simcall->issuer);
125 return simcall->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* simcall_host_get_data(smx_host_t host)
136 smx_simcall_t simcall = SIMIX_simcall_mine();
138 simcall->call = SIMCALL_HOST_GET_DATA;
139 simcall->host_get_data.host = host;
140 SIMIX_simcall_push(simcall->issuer);
141 return simcall->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 simcall_host_set_data(smx_host_t host, void *data)
153 smx_simcall_t simcall = SIMIX_simcall_mine();
155 simcall->call = SIMCALL_HOST_SET_DATA;
156 simcall->host_set_data.host = host;
157 simcall->host_set_data.data = data;
158 SIMIX_simcall_push(simcall->issuer);
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 simcall_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_simcall_t simcall = SIMIX_simcall_mine();
181 simcall->call = SIMCALL_HOST_EXECUTE;
182 simcall->host_execute.name = name;
183 simcall->host_execute.host = host;
184 simcall->host_execute.computation_amount = computation_amount;
185 simcall->host_execute.priority = priority;
186 SIMIX_simcall_push(simcall->issuer);
187 return simcall->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 simcall_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_simcall_t simcall = SIMIX_simcall_mine();
226 simcall->call = SIMCALL_HOST_PARALLEL_EXECUTE;
227 simcall->host_parallel_execute.name = name;
228 simcall->host_parallel_execute.host_nb = host_nb;
229 simcall->host_parallel_execute.host_list = host_list;
230 simcall->host_parallel_execute.computation_amount = computation_amount;
231 simcall->host_parallel_execute.communication_amount = communication_amount;
232 simcall->host_parallel_execute.amount = amount;
233 simcall->host_parallel_execute.rate = rate;
234 SIMIX_simcall_push(simcall->issuer);
235 return simcall->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 simcall_host_execution_destroy(smx_action_t execution)
246 smx_simcall_t simcall = SIMIX_simcall_mine();
248 simcall->call = SIMCALL_HOST_EXECUTION_DESTROY;
249 simcall->host_execution_destroy.execution = execution;
250 SIMIX_simcall_push(simcall->issuer);
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 simcall_host_execution_cancel(smx_action_t execution)
261 smx_simcall_t simcall = SIMIX_simcall_mine();
263 simcall->call = SIMCALL_HOST_EXECUTION_CANCEL;
264 simcall->host_execution_cancel.execution = execution;
265 SIMIX_simcall_push(simcall->issuer);
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 simcall_host_execution_get_remains(smx_action_t execution)
276 smx_simcall_t simcall = SIMIX_simcall_mine();
278 simcall->call = SIMCALL_HOST_EXECUTION_GET_REMAINS;
279 simcall->host_execution_get_remains.execution = execution;
280 SIMIX_simcall_push(simcall->issuer);
281 return simcall->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 simcall_host_execution_get_state(smx_action_t execution)
292 smx_simcall_t simcall = SIMIX_simcall_mine();
294 simcall->call = SIMCALL_HOST_EXECUTION_GET_STATE;
295 simcall->host_execution_get_state.execution = execution;
296 SIMIX_simcall_push(simcall->issuer);
297 return simcall->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 simcall_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_simcall_t simcall = SIMIX_simcall_mine();
314 simcall->call = SIMCALL_HOST_EXECUTION_SET_PRIORITY;
315 simcall->host_execution_set_priority.execution = execution;
316 simcall->host_execution_set_priority.priority = priority;
317 SIMIX_simcall_push(simcall->issuer);
321 * \brief Waits for the completion of an execution action and destroy it.
323 * \param execution The execution action
325 e_smx_state_t simcall_host_execution_wait(smx_action_t execution)
327 smx_simcall_t simcall = SIMIX_simcall_mine();
329 simcall->call = SIMCALL_HOST_EXECUTION_WAIT;
330 simcall->host_execution_wait.execution = execution;
331 SIMIX_simcall_push(simcall->issuer);
332 return simcall->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 simcall_process_get_data.
345 * \param hostname name of the host where the new agent is executed.
346 * \param kill_time time when the process is killed
347 * \param argc first argument passed to \a code
348 * \param argv second argument passed to \a code
349 * \param properties the properties of the process
351 void simcall_process_create(smx_process_t *process, const char *name,
352 xbt_main_func_t code,
354 const char *hostname,
356 int argc, char **argv,
357 xbt_dict_t properties)
359 smx_simcall_t simcall = SIMIX_simcall_mine();
361 simcall->call = SIMCALL_PROCESS_CREATE;
362 simcall->process_create.process = process;
363 simcall->process_create.name = name;
364 simcall->process_create.code = code;
365 simcall->process_create.data = data;
366 simcall->process_create.hostname = hostname;
367 simcall->process_create.kill_time = kill_time;
368 simcall->process_create.argc = argc;
369 simcall->process_create.argv = argv;
370 simcall->process_create.properties = properties;
371 SIMIX_simcall_push(simcall->issuer);
374 /** \brief Kills a SIMIX process.
376 * This function simply kills a process.
378 * \param process poor victim
380 void simcall_process_kill(smx_process_t process)
382 smx_simcall_t simcall = SIMIX_simcall_mine();
384 simcall->call = SIMCALL_PROCESS_KILL;
385 simcall->process_kill.process = process;
386 SIMIX_simcall_push(simcall->issuer);
389 /** \brief Kills all SIMIX processes.
391 void simcall_process_killall(void)
393 smx_simcall_t simcall = SIMIX_simcall_mine();
395 simcall->call = SIMCALL_PROCESS_KILLALL;
396 SIMIX_simcall_push(simcall->issuer);
399 /** \brief Cleans up a SIMIX process.
400 * \param process poor victim (must have already been killed)
402 void simcall_process_cleanup(smx_process_t process)
404 smx_simcall_t simcall = SIMIX_simcall_mine();
406 simcall->call = SIMCALL_PROCESS_CLEANUP;
407 simcall->process_cleanup.process = process;
408 SIMIX_simcall_push(simcall->issuer);
412 * \brief Migrates an agent to another location.
414 * This function changes the value of the host on which \a process is running.
416 * \param process the process to migrate
417 * \param source name of the previous host
418 * \param dest name of the new host
420 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
422 smx_simcall_t simcall = SIMIX_simcall_mine();
424 simcall->call = SIMCALL_PROCESS_CHANGE_HOST;
425 simcall->process_change_host.process = process;
426 simcall->process_change_host.dest = dest;
427 SIMIX_simcall_push(simcall->issuer);
431 * \brief Suspends a process.
433 * This function suspends the process by suspending the action
434 * it was waiting for completion.
436 * \param process a SIMIX process
438 void simcall_process_suspend(smx_process_t process)
440 xbt_assert(process, "Invalid parameters");
442 smx_simcall_t simcall = SIMIX_simcall_mine();
444 simcall->call = SIMCALL_PROCESS_SUSPEND;
445 simcall->process_suspend.process = process;
446 SIMIX_simcall_push(simcall->issuer);
450 * \brief Resumes a suspended process.
452 * This function resumes a suspended process by resuming the action
453 * it was waiting for completion.
455 * \param process a SIMIX process
457 void simcall_process_resume(smx_process_t process)
459 smx_simcall_t simcall = SIMIX_simcall_mine();
461 simcall->call = SIMCALL_PROCESS_RESUME;
462 simcall->process_resume.process = process;
463 SIMIX_simcall_push(simcall->issuer);
467 * \brief Returns the amount of SIMIX processes in the system
469 * Maestro internal process is not counted, only user code processes are
471 int simcall_process_count(void)
473 smx_simcall_t simcall = SIMIX_simcall_mine();
475 simcall->call = SIMCALL_PROCESS_COUNT;
476 SIMIX_simcall_push(simcall->issuer);
477 return simcall->process_count.result;
481 * \brief Return the user data of a #smx_process_t.
482 * \param process a SIMIX process
483 * \return the user data of this process
485 void* simcall_process_get_data(smx_process_t process)
487 if (process == SIMIX_process_self()) {
488 /* avoid a simcall if this function is called by the process itself */
489 return SIMIX_process_get_data(process);
492 smx_simcall_t simcall = SIMIX_simcall_mine();
494 simcall->call = SIMCALL_PROCESS_GET_DATA;
495 simcall->process_get_data.process = process;
496 SIMIX_simcall_push(simcall->issuer);
497 return simcall->process_get_data.result;
501 * \brief Set the user data of a #m_process_t.
503 * 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.
504 * \param process SIMIX process
505 * \param data User data
507 void simcall_process_set_data(smx_process_t process, void *data)
509 if (process == SIMIX_process_self()) {
510 /* avoid a simcall if this function is called by the process itself */
511 SIMIX_process_self_set_data(process, data);
515 smx_simcall_t simcall = SIMIX_simcall_mine();
517 simcall->call = SIMCALL_PROCESS_SET_DATA;
518 simcall->process_set_data.process = process;
519 simcall->process_set_data.data = data;
520 SIMIX_simcall_push(simcall->issuer);
525 * \brief Set the kill time of a process.
527 * \param process a process
528 * \param kill_time a double
530 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
533 if (kill_time > SIMIX_get_clock()) {
534 if (simix_global->kill_process_function) {
535 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
536 process->smx_host->name);
537 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
543 * \brief Return the location on which an agent is running.
545 * 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.
546 * \param process SIMIX process
549 smx_host_t simcall_process_get_host(smx_process_t process)
551 smx_simcall_t simcall = SIMIX_simcall_mine();
553 simcall->call = SIMCALL_PROCESS_GET_HOST;
554 simcall->process_get_host.process = process;
555 SIMIX_simcall_push(simcall->issuer);
556 return simcall->process_get_host.result;
560 * \brief Return the name of an agent.
562 * This functions checks whether \a process is a valid pointer or not and return its name.
563 * \param process SIMIX process
564 * \return The process name
566 const char* simcall_process_get_name(smx_process_t process)
568 if (process == SIMIX_process_self()) {
569 /* avoid a simcall if this function is called by the process itself */
570 return process->name;
573 smx_simcall_t simcall = SIMIX_simcall_mine();
575 simcall->call = SIMCALL_PROCESS_GET_NAME;
576 simcall->process_get_name.process = process;
577 SIMIX_simcall_push(simcall->issuer);
578 return simcall->process_get_name.result;
582 * \brief Returns true if the process is suspended .
584 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
585 * \param process SIMIX process
586 * \return 1, if the process is suspended, else 0.
588 int simcall_process_is_suspended(smx_process_t process)
590 smx_simcall_t simcall = SIMIX_simcall_mine();
592 simcall->call = SIMCALL_PROCESS_IS_SUSPENDED;
593 simcall->process_is_suspended.process = process;
594 SIMIX_simcall_push(simcall->issuer);
595 return simcall->process_is_suspended.result;
598 /** \ingroup m_process_management
599 * \brief Return the properties
601 * This functions returns the properties associated with this process
603 xbt_dict_t simcall_process_get_properties(smx_process_t process)
605 smx_simcall_t simcall = SIMIX_simcall_mine();
607 simcall->call = SIMCALL_PROCESS_GET_PROPERTIES;
608 simcall->process_get_properties.process = process;
609 SIMIX_simcall_push(simcall->issuer);
610 return simcall->process_get_properties.result;
613 /** \brief Creates a new sleep SIMIX action.
615 * This function creates a SURF action and allocates the data necessary
616 * to create the SIMIX action. It can raise a host_error exception if the
617 * host crashed. The default SIMIX name of the action is "sleep".
619 * \param duration Time duration of the sleep.
620 * \return A result telling whether the sleep was successful
622 e_smx_state_t simcall_process_sleep(double duration)
624 /* checking for infinite values */
625 xbt_assert(isfinite(duration), "duration is not finite!");
627 smx_simcall_t simcall = SIMIX_simcall_mine();
629 simcall->call = SIMCALL_PROCESS_SLEEP;
630 simcall->process_sleep.duration = duration;
631 SIMIX_simcall_push(simcall->issuer);
632 return simcall->process_sleep.result;
636 * \brief Creates a new rendez-vous point
637 * \param name The name of the rendez-vous point
638 * \return The created rendez-vous point
640 smx_rdv_t simcall_rdv_create(const char *name)
642 smx_simcall_t simcall = SIMIX_simcall_mine();
644 simcall->call = SIMCALL_RDV_CREATE;
645 simcall->rdv_create.name = name;
647 SIMIX_simcall_push(simcall->issuer);
648 return simcall->rdv_create.result;
653 * \brief Destroy a rendez-vous point
654 * \param name The rendez-vous point to destroy
656 void simcall_rdv_destroy(smx_rdv_t rdv)
658 smx_simcall_t simcall = SIMIX_simcall_mine();
660 simcall->call = SIMCALL_RDV_DESTROY;
661 simcall->rdv_destroy.rdv = rdv;
663 SIMIX_simcall_push(simcall->issuer);
666 smx_rdv_t simcall_rdv_get_by_name(const char *name)
668 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
670 /* FIXME: this is a horrible lost of performance, so we hack it out by
671 * skipping the simcall (for now). It works in parallel, it won't work on
672 * distributed but probably we will change MSG for that. */
675 smx_simcall_t simcall = simcall_mine();
676 simcall->call = SIMCALL_RDV_GEY_BY_NAME;
677 simcall->rdv_get_by_name.name = name;
678 SIMIX_simcall_push(simcall->issuer);
679 return simcall->rdv_get_by_name.result;*/
681 return SIMIX_rdv_get_by_name(name);
685 * \brief Counts the number of communication actions of a given host pending
686 * on a rendez-vous point.
687 * \param rdv The rendez-vous point
688 * \param host The host to be counted
689 * \return The number of comm actions pending in the rdv
691 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
693 smx_simcall_t simcall = SIMIX_simcall_mine();
695 simcall->call = SIMCALL_RDV_COMM_COUNT_BY_HOST;
696 simcall->rdv_comm_count_by_host.rdv = rdv;
697 simcall->rdv_comm_count_by_host.host = host;
699 SIMIX_simcall_push(simcall->issuer);
700 return simcall->rdv_comm_count_by_host.result;
704 * \brief returns the communication at the head of the rendez-vous
705 * \param rdv The rendez-vous point
706 * \return The communication or NULL if empty
708 smx_action_t simcall_rdv_get_head(smx_rdv_t rdv)
710 smx_simcall_t simcall = SIMIX_simcall_mine();
712 simcall->call = SIMCALL_RDV_GET_HEAD;
713 simcall->rdv_get_head.rdv = rdv;
715 SIMIX_simcall_push(simcall->issuer);
716 return simcall->rdv_get_head.result;
719 void simcall_comm_send(smx_rdv_t rdv, double task_size, double rate,
720 void *src_buff, size_t src_buff_size,
721 int (*match_fun)(void *, void *, smx_action_t), void *data,
724 /* checking for infinite values */
725 xbt_assert(isfinite(task_size), "task_size is not finite!");
726 xbt_assert(isfinite(rate), "rate is not finite!");
727 xbt_assert(isfinite(timeout), "timeout is not finite!");
729 xbt_assert(rdv, "No rendez-vous point defined for send");
732 /* the model-checker wants two separate simcalls */
733 smx_action_t comm = simcall_comm_isend(rdv, task_size, rate,
734 src_buff, src_buff_size, match_fun, NULL, data, 0);
735 simcall_comm_wait(comm, timeout);
738 smx_simcall_t simcall = SIMIX_simcall_mine();
740 simcall->call = SIMCALL_COMM_SEND;
741 simcall->comm_send.rdv = rdv;
742 simcall->comm_send.task_size = task_size;
743 simcall->comm_send.rate = rate;
744 simcall->comm_send.src_buff = src_buff;
745 simcall->comm_send.src_buff_size = src_buff_size;
746 simcall->comm_send.match_fun = match_fun;
747 simcall->comm_send.data = data;
748 simcall->comm_send.timeout = timeout;
750 SIMIX_simcall_push(simcall->issuer);
754 smx_action_t simcall_comm_isend(smx_rdv_t rdv, double task_size, double rate,
755 void *src_buff, size_t src_buff_size,
756 int (*match_fun)(void *, void *, smx_action_t),
757 void (*clean_fun)(void *),
761 /* checking for infinite values */
762 xbt_assert(isfinite(task_size), "task_size is not finite!");
763 xbt_assert(isfinite(rate), "rate is not finite!");
765 xbt_assert(rdv, "No rendez-vous point defined for isend");
767 smx_simcall_t simcall = SIMIX_simcall_mine();
769 simcall->call = SIMCALL_COMM_ISEND;
770 simcall->comm_isend.rdv = rdv;
771 simcall->comm_isend.task_size = task_size;
772 simcall->comm_isend.rate = rate;
773 simcall->comm_isend.src_buff = src_buff;
774 simcall->comm_isend.src_buff_size = src_buff_size;
775 simcall->comm_isend.match_fun = match_fun;
776 simcall->comm_isend.clean_fun = clean_fun;
777 simcall->comm_isend.data = data;
778 simcall->comm_isend.detached = detached;
780 SIMIX_simcall_push(simcall->issuer);
781 return simcall->comm_isend.result;
784 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
785 int (*match_fun)(void *, void *, smx_action_t), void *data, double timeout)
787 xbt_assert(isfinite(timeout), "timeout is not finite!");
788 xbt_assert(rdv, "No rendez-vous point defined for recv");
791 /* the model-checker wants two separate simcalls */
792 smx_action_t comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
794 simcall_comm_wait(comm, timeout);
797 smx_simcall_t simcall = SIMIX_simcall_mine();
799 simcall->call = SIMCALL_COMM_RECV;
800 simcall->comm_recv.rdv = rdv;
801 simcall->comm_recv.dst_buff = dst_buff;
802 simcall->comm_recv.dst_buff_size = dst_buff_size;
803 simcall->comm_recv.match_fun = match_fun;
804 simcall->comm_recv.data = data;
805 simcall->comm_recv.timeout = timeout;
807 SIMIX_simcall_push(simcall->issuer);
811 smx_action_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
812 int (*match_fun)(void *, void *, smx_action_t), void *data)
814 xbt_assert(rdv, "No rendez-vous point defined for irecv");
816 smx_simcall_t simcall = SIMIX_simcall_mine();
818 simcall->call = SIMCALL_COMM_IRECV;
819 simcall->comm_irecv.rdv = rdv;
820 simcall->comm_irecv.dst_buff = dst_buff;
821 simcall->comm_irecv.dst_buff_size = dst_buff_size;
822 simcall->comm_irecv.match_fun = match_fun;
823 simcall->comm_irecv.data = data;
825 SIMIX_simcall_push(simcall->issuer);
826 return simcall->comm_irecv.result;
829 void simcall_comm_destroy(smx_action_t comm)
831 xbt_assert(comm, "Invalid parameter");
833 /* FIXME remove this simcall type: comms are auto-destroyed now */
836 smx_simcall_t simcall = simcall_mine();
838 simcall->call = SIMCALL_COMM_DESTROY;
839 simcall->comm_destroy.comm = comm;
841 SIMIX_simcall_push(simcall->issuer);
845 void simcall_comm_cancel(smx_action_t comm)
847 smx_simcall_t simcall = SIMIX_simcall_mine();
849 simcall->call = SIMCALL_COMM_CANCEL;
850 simcall->comm_cancel.comm = comm;
852 SIMIX_simcall_push(simcall->issuer);
855 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
857 smx_simcall_t simcall = SIMIX_simcall_mine();
859 simcall->call = SIMCALL_COMM_WAITANY;
860 simcall->comm_waitany.comms = comms;
862 SIMIX_simcall_push(simcall->issuer);
863 return simcall->comm_waitany.result;
866 int simcall_comm_testany(xbt_dynar_t comms)
868 smx_simcall_t simcall = SIMIX_simcall_mine();
869 if (xbt_dynar_is_empty(comms))
872 simcall->call = SIMCALL_COMM_TESTANY;
873 simcall->comm_testany.comms = comms;
875 SIMIX_simcall_push(simcall->issuer);
876 return simcall->comm_testany.result;
879 void simcall_comm_wait(smx_action_t comm, double timeout)
881 xbt_assert(isfinite(timeout), "timeout is not finite!");
883 smx_simcall_t simcall = SIMIX_simcall_mine();
885 simcall->call = SIMCALL_COMM_WAIT;
886 simcall->comm_wait.comm = comm;
887 simcall->comm_wait.timeout = timeout;
889 SIMIX_simcall_push(simcall->issuer);
894 * \brief Set the category of an action.
896 * This functions changes the category only. It calls a surf function.
897 * \param execution The execution action
898 * \param category The tracing category
900 void simcall_set_category(smx_action_t action, const char *category)
902 if (category == NULL) {
906 smx_simcall_t simcall = SIMIX_simcall_mine();
908 simcall->call = SIMCALL_SET_CATEGORY;
909 simcall->set_category.action = action;
910 simcall->set_category.category = category;
912 SIMIX_simcall_push(simcall->issuer);
916 int simcall_comm_test(smx_action_t comm)
918 smx_simcall_t simcall = SIMIX_simcall_mine();
920 simcall->call = SIMCALL_COMM_TEST;
921 simcall->comm_test.comm = comm;
923 SIMIX_simcall_push(simcall->issuer);
924 return simcall->comm_test.result;
927 double simcall_comm_get_remains(smx_action_t comm)
929 smx_simcall_t simcall = SIMIX_simcall_mine();
931 simcall->call = SIMCALL_COMM_GET_REMAINS;
932 simcall->comm_get_remains.comm = comm;
934 SIMIX_simcall_push(simcall->issuer);
935 return simcall->comm_get_remains.result;
938 e_smx_state_t simcall_comm_get_state(smx_action_t comm)
940 smx_simcall_t simcall = SIMIX_simcall_mine();
942 simcall->call = SIMCALL_COMM_GET_STATE;
943 simcall->comm_get_state.comm = comm;
945 SIMIX_simcall_push(simcall->issuer);
946 return simcall->comm_get_state.result;
949 void *simcall_comm_get_src_data(smx_action_t comm)
951 smx_simcall_t simcall = SIMIX_simcall_mine();
953 simcall->call = SIMCALL_COMM_GET_SRC_DATA;
954 simcall->comm_get_src_data.comm = comm;
956 SIMIX_simcall_push(simcall->issuer);
957 return simcall->comm_get_src_data.result;
960 void *simcall_comm_get_dst_data(smx_action_t comm)
962 smx_simcall_t simcall = SIMIX_simcall_mine();
964 simcall->call = SIMCALL_COMM_GET_DST_DATA;
965 simcall->comm_get_dst_data.comm = comm;
967 SIMIX_simcall_push(simcall->issuer);
968 return simcall->comm_get_dst_data.result;
971 smx_process_t simcall_comm_get_src_proc(smx_action_t comm)
973 smx_simcall_t simcall = SIMIX_simcall_mine();
975 simcall->call = SIMCALL_COMM_GET_SRC_PROC;
976 simcall->comm_get_src_proc.comm = comm;
978 SIMIX_simcall_push(simcall->issuer);
979 return simcall->comm_get_src_proc.result;
982 smx_process_t simcall_comm_get_dst_proc(smx_action_t comm)
984 smx_simcall_t simcall = SIMIX_simcall_mine();
986 simcall->call = SIMCALL_COMM_GET_DST_PROC;
987 simcall->comm_get_dst_proc.comm = comm;
989 SIMIX_simcall_push(simcall->issuer);
990 return simcall->comm_get_dst_proc.result;
993 #ifdef HAVE_LATENCY_BOUND_TRACKING
994 int simcall_comm_is_latency_bounded(smx_action_t comm)
996 smx_simcall_t simcall = SIMIX_simcall_mine();
998 simcall->call = SIMCALL_COMM_IS_LATENCY_BOUNDED;
999 simcall->comm_is_latency_bounded.comm = comm;
1001 SIMIX_simcall_push(simcall->issuer);
1002 return simcall->comm_is_latency_bounded.result;
1006 smx_mutex_t simcall_mutex_init(void)
1009 fprintf(stderr,"You must run MSG_global_init or gras_init before using MSG or GRAS\n"); // I would have loved using xbt_die but I can't since it is not initialized yet... :)
1012 smx_simcall_t simcall = SIMIX_simcall_mine();
1014 simcall->call = SIMCALL_MUTEX_INIT;
1016 SIMIX_simcall_push(simcall->issuer);
1017 return simcall->mutex_init.result;
1020 void simcall_mutex_destroy(smx_mutex_t mutex)
1022 smx_simcall_t simcall = SIMIX_simcall_mine();
1024 simcall->call = SIMCALL_MUTEX_DESTROY;
1025 simcall->mutex_destroy.mutex = mutex;
1027 SIMIX_simcall_push(simcall->issuer);
1030 void simcall_mutex_lock(smx_mutex_t mutex)
1032 smx_simcall_t simcall = SIMIX_simcall_mine();
1034 simcall->call = SIMCALL_MUTEX_LOCK;
1035 simcall->mutex_lock.mutex = mutex;
1037 SIMIX_simcall_push(simcall->issuer);
1040 int simcall_mutex_trylock(smx_mutex_t mutex)
1042 smx_simcall_t simcall = SIMIX_simcall_mine();
1044 simcall->call = SIMCALL_MUTEX_TRYLOCK;
1045 simcall->mutex_trylock.mutex = mutex;
1047 SIMIX_simcall_push(simcall->issuer);
1048 return simcall->mutex_trylock.result;
1051 void simcall_mutex_unlock(smx_mutex_t mutex)
1053 smx_simcall_t simcall = SIMIX_simcall_mine();
1055 simcall->call = SIMCALL_MUTEX_UNLOCK;
1056 simcall->mutex_unlock.mutex = mutex;
1058 SIMIX_simcall_push(simcall->issuer);
1062 smx_cond_t simcall_cond_init(void)
1064 smx_simcall_t simcall = SIMIX_simcall_mine();
1066 simcall->call = SIMCALL_COND_INIT;
1068 SIMIX_simcall_push(simcall->issuer);
1069 return simcall->cond_init.result;
1072 void simcall_cond_destroy(smx_cond_t cond)
1074 smx_simcall_t simcall = SIMIX_simcall_mine();
1076 simcall->call = SIMCALL_COND_DESTROY;
1077 simcall->cond_destroy.cond = cond;
1079 SIMIX_simcall_push(simcall->issuer);
1082 void simcall_cond_signal(smx_cond_t cond)
1084 smx_simcall_t simcall = SIMIX_simcall_mine();
1086 simcall->call = SIMCALL_COND_SIGNAL;
1087 simcall->cond_signal.cond = cond;
1089 SIMIX_simcall_push(simcall->issuer);
1092 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1094 smx_simcall_t simcall = SIMIX_simcall_mine();
1096 simcall->call = SIMCALL_COND_WAIT;
1097 simcall->cond_wait.cond = cond;
1098 simcall->cond_wait.mutex = mutex;
1100 SIMIX_simcall_push(simcall->issuer);
1103 void simcall_cond_wait_timeout(smx_cond_t cond,
1107 xbt_assert(isfinite(timeout), "timeout is not finite!");
1109 smx_simcall_t simcall = SIMIX_simcall_mine();
1111 simcall->call = SIMCALL_COND_WAIT_TIMEOUT;
1112 simcall->cond_wait_timeout.cond = cond;
1113 simcall->cond_wait_timeout.mutex = mutex;
1114 simcall->cond_wait_timeout.timeout = timeout;
1116 SIMIX_simcall_push(simcall->issuer);
1119 void simcall_cond_broadcast(smx_cond_t cond)
1121 smx_simcall_t simcall = SIMIX_simcall_mine();
1123 simcall->call = SIMCALL_COND_BROADCAST;
1124 simcall->cond_broadcast.cond = cond;
1126 SIMIX_simcall_push(simcall->issuer);
1130 smx_sem_t simcall_sem_init(int capacity)
1132 smx_simcall_t simcall = SIMIX_simcall_mine();
1134 simcall->call = SIMCALL_SEM_INIT;
1135 simcall->sem_init.capacity = capacity;
1137 SIMIX_simcall_push(simcall->issuer);
1138 return simcall->sem_init.result;
1141 void simcall_sem_destroy(smx_sem_t sem)
1143 smx_simcall_t simcall = SIMIX_simcall_mine();
1145 simcall->call = SIMCALL_SEM_DESTROY;
1146 simcall->sem_destroy.sem = sem;
1148 SIMIX_simcall_push(simcall->issuer);
1151 void simcall_sem_release(smx_sem_t sem)
1153 smx_simcall_t simcall = SIMIX_simcall_mine();
1155 simcall->call = SIMCALL_SEM_RELEASE;
1156 simcall->sem_release.sem = sem;
1158 SIMIX_simcall_push(simcall->issuer);
1161 int simcall_sem_would_block(smx_sem_t sem)
1163 smx_simcall_t simcall = SIMIX_simcall_mine();
1165 simcall->call = SIMCALL_SEM_WOULD_BLOCK;
1166 simcall->sem_would_block.sem = sem;
1168 SIMIX_simcall_push(simcall->issuer);
1169 return simcall->sem_would_block.result;
1172 void simcall_sem_acquire(smx_sem_t sem)
1174 smx_simcall_t simcall = SIMIX_simcall_mine();
1176 simcall->call = SIMCALL_SEM_ACQUIRE;
1177 simcall->sem_acquire.sem = sem;
1179 SIMIX_simcall_push(simcall->issuer);
1182 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1184 xbt_assert(isfinite(timeout), "timeout is not finite!");
1186 smx_simcall_t simcall = SIMIX_simcall_mine();
1188 simcall->call = SIMCALL_SEM_ACQUIRE_TIMEOUT;
1189 simcall->sem_acquire_timeout.sem = sem;
1190 simcall->sem_acquire_timeout.timeout = timeout;
1192 SIMIX_simcall_push(simcall->issuer);
1195 int simcall_sem_get_capacity(smx_sem_t sem)
1197 smx_simcall_t simcall = SIMIX_simcall_mine();
1199 simcall->call = SIMCALL_SEM_GET_CAPACITY;
1200 simcall->sem_get_capacity.sem = sem;
1202 SIMIX_simcall_push(simcall->issuer);
1203 return simcall->sem_get_capacity.result;
1206 size_t simcall_file_read(void* ptr, size_t size, size_t nmemb, smx_file_t stream)
1208 smx_simcall_t simcall = SIMIX_simcall_mine();
1210 simcall->call = SIMCALL_FILE_READ;
1211 simcall->file_read.ptr = ptr;
1212 simcall->file_read.size = size;
1213 simcall->file_read.nmemb = nmemb;
1214 simcall->file_read.stream = stream;
1215 SIMIX_simcall_push(simcall->issuer);
1217 return simcall->file_read.result;
1220 size_t simcall_file_write(const void* ptr, size_t size, size_t nmemb, smx_file_t stream)
1222 smx_simcall_t simcall = SIMIX_simcall_mine();
1224 simcall->call = SIMCALL_FILE_WRITE;
1225 simcall->file_write.ptr = ptr;
1226 simcall->file_write.size = size;
1227 simcall->file_write.nmemb = nmemb;
1228 simcall->file_write.stream = stream;
1229 SIMIX_simcall_push(simcall->issuer);
1231 return simcall->file_write.result;
1234 smx_file_t simcall_file_open(const char* mount, const char* path, const char* mode)
1236 smx_simcall_t simcall = SIMIX_simcall_mine();
1238 simcall->call = SIMCALL_FILE_OPEN;
1239 simcall->file_open.mount = mount;
1240 simcall->file_open.path = path;
1241 simcall->file_open.mode = mode;
1242 SIMIX_simcall_push(simcall->issuer);
1244 return simcall->file_open.result;
1247 int simcall_file_close(smx_file_t fp)
1249 smx_simcall_t simcall = SIMIX_simcall_mine();
1251 simcall->call = SIMCALL_FILE_CLOSE;
1252 simcall->file_close.fp = fp;
1253 SIMIX_simcall_push(simcall->issuer);
1255 return simcall->file_close.result;
1258 int simcall_file_stat(smx_file_t fd, s_file_stat_t *buf)
1260 smx_simcall_t simcall = SIMIX_simcall_mine();
1261 simcall->call = SIMCALL_FILE_STAT;
1262 simcall->file_stat.fd = fd;
1264 SIMIX_simcall_push(simcall->issuer);
1266 *buf = simcall->file_stat.buf;
1268 return simcall->file_stat.result;
1271 /* ************************************************************************** */
1273 /** @brief returns a printable string representing a simcall */
1274 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1275 return simcall_names[kind];