1 /* smx_user.c - public interface to simix */
3 /* Copyright (c) 2010-2012. 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 #include "smx_private.h"
11 #include <math.h> /* isfinite() */
13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
15 /* generate strings from the enumeration values */
16 static const char* simcall_names[] = {
17 SIMCALL_LIST(SIMCALL_STRING_TYPE, SIMCALL_SEP_COMMA)
18 [SIMCALL_NONE] = "NONE"
21 SIMCALL_LIST(SIMCALL_FUNC, SIMCALL_SEP_NOTHING)
24 * \ingroup simix_host_management
25 * \brief Returns a host given its name.
27 * \param name The name of the host to get
28 * \return The corresponding host
30 smx_host_t simcall_host_get_by_name(const char *name)
32 return simcall_BODY_host_get_by_name(name);
36 * \ingroup simix_host_management
37 * \brief Returns the name of a host.
39 * \param host A SIMIX host
40 * \return The name of this host
42 const char* simcall_host_get_name(smx_host_t host)
44 return simcall_BODY_host_get_name(host);
48 * \ingroup simix_host_management
49 * \brief Start the host if it is off
51 * \param host A SIMIX host
53 void simcall_host_on(smx_host_t host)
55 simcall_BODY_host_on(host);
59 * \ingroup simix_host_management
60 * \brief Stop the host if it is on
62 * \param host A SIMIX host
64 void simcall_host_off(smx_host_t host)
66 simcall_BODY_host_off(host);
70 * \ingroup simix_host_management
71 * \brief Returns a dict of the properties assigned to a host.
74 * \return The properties of this host
76 xbt_dict_t simcall_host_get_properties(smx_host_t host)
78 return simcall_BODY_host_get_properties(host);
82 * \ingroup simix_host_management
83 * \brief Returns a dict of the properties assigned to a router or AS.
85 * \param name The name of the router or AS
86 * \return The properties
88 xbt_dict_t simcall_asr_get_properties(const char *name)
90 return simcall_BODY_asr_get_properties(name);
95 * \ingroup simix_host_management
96 * \brief Returns the speed of the processor.
98 * The speed returned does not take into account the current load on the machine.
99 * \param host A SIMIX host
100 * \return The speed of this host (in Mflop/s)
102 double simcall_host_get_speed(smx_host_t host)
104 return simcall_BODY_host_get_speed(host);
108 * \ingroup simix_host_management
109 * \brief Returns the number of core of the processor.
111 * \param host A SIMIX host
112 * \return The number of core
114 int simcall_host_get_core(smx_host_t host)
116 return simcall_BODY_host_get_core(host);
122 * \ingroup simix_host_management
123 * \brief Returns the available speed of the processor.
125 * \return Speed currently available (in Mflop/s)
127 double simcall_host_get_available_speed(smx_host_t host)
129 return simcall_BODY_host_get_available_speed(host);
133 * \ingroup simix_host_management
134 * \brief Returns the state of a host.
136 * Two states are possible: 1 if the host is active or 0 if it has crashed.
137 * \param host A SIMIX host
138 * \return 1 if the host is available, 0 otherwise
140 int simcall_host_get_state(smx_host_t host)
142 return simcall_BODY_host_get_state(host);
146 * \ingroup simix_host_management
147 * \brief Returns the user data associated to a host.
149 * \param host SIMIX host
150 * \return the user data of this host
152 void* simcall_host_get_data(smx_host_t host)
154 return simcall_BODY_host_get_data(host);
158 * \ingroup simix_host_management
159 * \brief Sets the user data associated to a host.
161 * The host must not have previous user data associated to it.
162 * \param host A SIMIX host
163 * \param data The user data to set
165 void simcall_host_set_data(smx_host_t host, void *data)
167 simcall_host_set_data(host, data);
171 * \ingroup simix_host_management
172 * \brief Creates an action that executes some computation of an host.
174 * This function creates a SURF action and allocates the data necessary
175 * to create the SIMIX action. It can raise a host_error exception if the host crashed.
177 * \param name Name of the execution action to create
178 * \param host SIMIX host where the action will be executed
179 * \param computation_amount amount Computation amount (in bytes)
180 * \param priority computation priority
181 * \return A new SIMIX execution action
184 smx_action_t simcall_host_execute(const char *name, smx_host_t host,
185 double computation_amount,
186 double priority, double bound)
188 /* checking for infinite values */
189 xbt_assert(isfinite(computation_amount), "computation_amount is not finite!");
190 xbt_assert(isfinite(priority), "priority is not finite!");
192 return simcall_BODY_host_execute(name, host, computation_amount, priority, bound);
196 * \ingroup simix_host_management
197 * \brief Creates an action that may involve parallel computation on
198 * several hosts and communication between them.
200 * \param name Name of the execution action to create
201 * \param host_nb Number of hosts where the action will be executed
202 * \param host_list Array (of size host_nb) of hosts where the action will be executed
203 * \param computation_amount Array (of size host_nb) of computation amount of hosts (in bytes)
204 * \param communication_amount Array (of size host_nb * host_nb) representing the communication
205 * amount between each pair of hosts
206 * \param amount the SURF action amount
207 * \param rate the SURF action rate
208 * \return A new SIMIX execution action
210 smx_action_t simcall_host_parallel_execute(const char *name,
212 smx_host_t *host_list,
213 double *computation_amount,
214 double *communication_amount,
219 /* checking for infinite values */
220 for (i = 0 ; i < host_nb ; ++i) {
221 xbt_assert(isfinite(computation_amount[i]), "computation_amount[%d] is not finite!", i);
222 for (j = 0 ; j < host_nb ; ++j) {
223 xbt_assert(isfinite(communication_amount[i + host_nb * j]),
224 "communication_amount[%d+%d*%d] is not finite!", i, host_nb, j);
228 xbt_assert(isfinite(amount), "amount is not finite!");
229 xbt_assert(isfinite(rate), "rate is not finite!");
231 return simcall_BODY_host_parallel_execute(name, host_nb, host_list,
233 communication_amount,
239 * \ingroup simix_host_management
240 * \brief Destroys an execution action.
242 * Destroys an action, freing its memory. This function cannot be called if there are a conditional waiting for it.
243 * \param execution The execution action to destroy
245 void simcall_host_execution_destroy(smx_action_t execution)
247 simcall_BODY_host_execution_destroy(execution);
251 * \ingroup simix_host_management
252 * \brief Cancels an execution action.
254 * This functions stops the execution. It calls a surf function.
255 * \param execution The execution action to cancel
257 void simcall_host_execution_cancel(smx_action_t execution)
259 simcall_BODY_host_execution_cancel(execution);
263 * \ingroup simix_host_management
264 * \brief Returns how much of an execution action remains to be done.
266 * \param execution The execution action
267 * \return The remaining amount
269 double simcall_host_execution_get_remains(smx_action_t execution)
271 return simcall_BODY_host_execution_get_remains(execution);
275 * \ingroup simix_host_management
276 * \brief Returns the state of an execution action.
278 * \param execution The execution action
281 e_smx_state_t simcall_host_execution_get_state(smx_action_t execution)
283 return simcall_BODY_host_execution_get_state(execution);
287 * \ingroup simix_host_management
288 * \brief Changes the priority of an execution action.
290 * This functions changes the priority only. It calls a surf function.
291 * \param execution The execution action
292 * \param priority The new priority
294 void simcall_host_execution_set_priority(smx_action_t execution, double priority)
296 /* checking for infinite values */
297 xbt_assert(isfinite(priority), "priority is not finite!");
299 simcall_BODY_host_execution_set_priority(execution, priority);
303 * \ingroup simix_host_management
304 * \brief Changes the capping (the maximum CPU utilization) of an execution action.
306 * This functions changes the capping only. It calls a surf function.
307 * \param execution The execution action
308 * \param bound The new bound
310 void simcall_host_execution_set_bound(smx_action_t execution, double bound)
312 simcall_BODY_host_execution_set_bound(execution, bound);
316 * \ingroup simix_host_management
317 * \brief Waits for the completion of an execution action and destroy it.
319 * \param execution The execution action
321 e_smx_state_t simcall_host_execution_wait(smx_action_t execution)
323 return simcall_BODY_host_execution_wait(execution);
328 * \ingroup simix_vm_management
329 * \brief Create a VM on the given physical host.
331 * \param name VM name
332 * \param host Physical host
334 * \return The host object of the VM
336 void* simcall_vm_create(const char *name, smx_host_t phys_host){
337 /* will jump to SIMIX_pre_vm_create() in src/simix/smx_smurf_private.h */
338 return simcall_BODY_vm_create(name, phys_host);
342 * \ingroup simix_vm_management
343 * \brief Start the given VM to the given physical host
347 void simcall_vm_start(smx_host_t vm)
349 /* will jump to SIMIX_pre_vm_start in src/simix/smx_smurf_private.h */
350 simcall_BODY_vm_start(vm);
354 * \ingroup simix_vm_management
355 * \brief Get the state of the given VM
358 * \return The state of the VM
360 int simcall_vm_get_state(smx_host_t vm)
362 /* will jump to SIMIX_pre_vm_get_state in src/simix/smx_smurf_private.h */
363 return simcall_BODY_vm_get_state(vm);
367 * \ingroup simix_vm_management
368 * \brief Get the name of the physical host on which the given VM runs.
371 * \return The name of the physical host
373 void *simcall_vm_get_pm(smx_host_t vm)
375 /* will jump to SIMIX_pre_vm_migrate in src/simix/smx_smurf_private.h */
376 return simcall_BODY_vm_get_pm(vm);
379 void simcall_vm_set_bound(smx_host_t vm, double bound)
381 /* will jump to SIMIX_pre_vm_set_bound in src/simix/smx_smurf_private.h */
382 simcall_BODY_vm_set_bound(vm, bound);
385 void simcall_host_get_params(smx_host_t vm, ws_params_t params)
387 /* will jump to SIMIX_pre_host_get_params in src/simix/smx_smurf_private.h */
388 simcall_BODY_host_get_params(vm, params);
391 void simcall_host_set_params(smx_host_t vm, ws_params_t params)
393 /* will jump to SIMIX_pre_host_set_params in src/simix/smx_smurf_private.h */
394 simcall_BODY_host_set_params(vm, params);
398 * \ingroup simix_vm_management
399 * \brief Migrate the given VM to the given physical host
402 * \param host Destination physical host
404 void simcall_vm_migrate(smx_host_t vm, smx_host_t host)
406 /* will jump to SIMIX_pre_vm_migrate in src/simix/smx_smurf_private.h */
407 simcall_BODY_vm_migrate(vm, host);
411 * \ingroup simix_vm_management
412 * \brief Suspend the given VM
416 void simcall_vm_suspend(smx_host_t vm)
418 /* will jump to SIMIX_pre_vm_suspend in src/simix/smx_smurf_private.h */
419 simcall_BODY_vm_suspend(vm);
423 * \ingroup simix_vm_management
424 * \brief Resume the given VM
428 void simcall_vm_resume(smx_host_t vm)
430 /* will jump to SIMIX_pre_vm_resume in src/simix/smx_smurf_private.h */
431 simcall_BODY_vm_resume(vm);
435 * \ingroup simix_vm_management
436 * \brief Save the given VM
440 void simcall_vm_save(smx_host_t vm)
442 /* will jump to SIMIX_pre_vm_save in src/simix/smx_smurf_private.h */
443 simcall_BODY_vm_save(vm);
447 * \ingroup simix_vm_management
448 * \brief Restore the given VM
452 void simcall_vm_restore(smx_host_t vm)
454 /* will jump to SIMIX_pre_vm_restore in src/simix/smx_smurf_private.h */
455 simcall_BODY_vm_restore(vm);
459 * \ingroup simix_vm_management
460 * \brief Shutdown the given VM
464 void simcall_vm_shutdown(smx_host_t vm)
466 /* will jump to SIMIX_pre_vm_shutdown in src/simix/smx_smurf_private.h */
467 simcall_BODY_vm_shutdown(vm);
471 * \ingroup simix_vm_management
472 * \brief Destroy the given VM
476 void simcall_vm_destroy(smx_host_t vm)
478 /* will jump to SIMIX_pre_vm_destroy in src/simix/smx_smurf_private.h */
479 simcall_BODY_vm_destroy(vm);
484 * \ingroup simix_process_management
485 * \brief Creates and runs a new SIMIX process.
487 * The structure and the corresponding thread are created and put in the list of ready processes.
489 * \param process the process created will be stored in this pointer
490 * \param name a name for the process. It is for user-level information and can be NULL.
491 * \param code the main function of the process
492 * \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.
493 * It can be retrieved with the function \ref simcall_process_get_data.
494 * \param hostname name of the host where the new agent is executed.
495 * \param kill_time time when the process is killed
496 * \param argc first argument passed to \a code
497 * \param argv second argument passed to \a code
498 * \param properties the properties of the process
499 * \param auto_restart either it is autorestarting or not.
501 void simcall_process_create(smx_process_t *process, const char *name,
502 xbt_main_func_t code,
504 const char *hostname,
506 int argc, char **argv,
507 xbt_dict_t properties,
510 simcall_BODY_process_create(process, name, code, data, hostname,
511 kill_time, argc, argv, properties,
516 * \ingroup simix_process_management
517 * \brief Kills a SIMIX process.
519 * This function simply kills a process.
521 * \param process poor victim
523 void simcall_process_kill(smx_process_t process)
525 simcall_BODY_process_kill(process);
529 * \ingroup simix_process_management
530 * \brief Kills all SIMIX processes.
532 void simcall_process_killall(int reset_pid)
534 simcall_BODY_process_killall(reset_pid);
538 * \ingroup simix_process_management
539 * \brief Cleans up a SIMIX process.
540 * \param process poor victim (must have already been killed)
542 void simcall_process_cleanup(smx_process_t process)
544 simcall_BODY_process_cleanup(process);
548 * \ingroup simix_process_management
549 * \brief Migrates an agent to another location.
551 * This function changes the value of the host on which \a process is running.
553 * \param process the process to migrate
554 * \param dest name of the new host
556 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
558 simcall_BODY_process_change_host(process, dest);
562 * \ingroup simix_process_management
563 * \brief Suspends a process.
565 * This function suspends the process by suspending the action
566 * it was waiting for completion.
568 * \param process a SIMIX process
570 void simcall_process_suspend(smx_process_t process)
572 xbt_assert(process, "Invalid parameters");
574 simcall_BODY_process_suspend(process);
578 * \ingroup simix_process_management
579 * \brief Resumes a suspended process.
581 * This function resumes a suspended process by resuming the action
582 * it was waiting for completion.
584 * \param process a SIMIX process
586 void simcall_process_resume(smx_process_t process)
588 simcall_BODY_process_resume(process);
592 * \ingroup simix_process_management
593 * \brief Returns the amount of SIMIX processes in the system
595 * Maestro internal process is not counted, only user code processes are
597 int simcall_process_count(void)
599 return simcall_BODY_process_count();
603 * \ingroup simix_process_management
604 * \brief Return the PID of a #smx_process_t.
605 * \param process a SIMIX process
606 * \return the PID of this process
608 int simcall_process_get_PID(smx_process_t process)
610 if (process == SIMIX_process_self()) {
611 /* avoid a simcall if this function is called by the process itself */
612 return SIMIX_process_get_PID(process);
615 return simcall_BODY_process_get_PID(process);
619 * \ingroup simix_process_management
620 * \brief Return the parent PID of a #smx_process_t.
621 * \param process a SIMIX process
622 * \return the PID of this process parenrt
624 int simcall_process_get_PPID(smx_process_t process)
626 if (process == SIMIX_process_self()) {
627 /* avoid a simcall if this function is called by the process itself */
628 return SIMIX_process_get_PPID(process);
631 return simcall_BODY_process_get_PPID(process);
635 * \ingroup simix_process_management
636 * \brief Return the user data of a #smx_process_t.
637 * \param process a SIMIX process
638 * \return the user data of this process
640 void* simcall_process_get_data(smx_process_t process)
642 if (process == SIMIX_process_self()) {
643 /* avoid a simcall if this function is called by the process itself */
644 return SIMIX_process_get_data(process);
647 return simcall_BODY_process_get_data(process);
651 * \ingroup simix_process_management
652 * \brief Set the user data of a #smx_process_t.
654 * This functions sets the user data associated to \a process.
655 * \param process SIMIX process
656 * \param data User data
658 void simcall_process_set_data(smx_process_t process, void *data)
660 if (process == SIMIX_process_self()) {
661 /* avoid a simcall if this function is called by the process itself */
662 SIMIX_process_self_set_data(process, data);
665 simcall_BODY_process_set_data(process, data);
670 * \ingroup simix_process_management
671 * \brief Set the kill time of a process.
672 * \param process a process
673 * \param kill_time a double
675 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
678 if (kill_time > SIMIX_get_clock()) {
679 if (simix_global->kill_process_function) {
680 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
681 sg_host_name(process->smx_host));
682 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
688 * \ingroup simix_process_management
689 * \brief Return the location on which an agent is running.
691 * This functions returns the smx_host_t corresponding to the location on which
692 * \a process is running.
693 * \param process SIMIX process
696 smx_host_t simcall_process_get_host(smx_process_t process)
698 return simcall_BODY_process_get_host(process);
702 * \ingroup simix_process_management
703 * \brief Return the name of an agent.
705 * This functions checks whether \a process is a valid pointer or not and return its name.
706 * \param process SIMIX process
707 * \return The process name
709 const char* simcall_process_get_name(smx_process_t process)
711 if (process == SIMIX_process_self()) {
712 /* avoid a simcall if this function is called by the process itself */
713 return process->name;
715 return simcall_BODY_process_get_name(process);
719 * \ingroup simix_process_management
720 * \brief Returns true if the process is suspended .
722 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
723 * \param process SIMIX process
724 * \return 1, if the process is suspended, else 0.
726 int simcall_process_is_suspended(smx_process_t process)
728 return simcall_BODY_process_is_suspended(process);
732 * \ingroup simix_process_management
733 * \brief Return the properties
735 * This functions returns the properties associated with this process
737 xbt_dict_t simcall_process_get_properties(smx_process_t process)
739 return simcall_BODY_process_get_properties(process);
742 * \ingroup simix_process_management
743 * \brief Add an on_exit function
744 * Add an on_exit function which will be executed when the process exits/is killed.
746 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data)
748 simcall_BODY_process_on_exit(process, fun, data);
751 * \ingroup simix_process_management
752 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
753 * Will restart the process when the host comes back up if auto_restart is set to 1.
756 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
758 simcall_BODY_process_auto_restart_set(process, auto_restart);
762 * \ingroup simix_process_management
763 * \brief Restarts the process, killing it and starting it again from scratch.
765 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
767 return simcall_BODY_process_restart(process);
770 * \ingroup simix_process_management
771 * \brief Creates a new sleep SIMIX action.
773 * This function creates a SURF action and allocates the data necessary
774 * to create the SIMIX action. It can raise a host_error exception if the
775 * host crashed. The default SIMIX name of the action is "sleep".
777 * \param duration Time duration of the sleep.
778 * \return A result telling whether the sleep was successful
780 e_smx_state_t simcall_process_sleep(double duration)
782 /* checking for infinite values */
783 xbt_assert(isfinite(duration), "duration is not finite!");
784 return simcall_BODY_process_sleep(duration);
788 * \ingroup simix_rdv_management
789 * \brief Creates a new rendez-vous point
790 * \param name The name of the rendez-vous point
791 * \return The created rendez-vous point
793 smx_rdv_t simcall_rdv_create(const char *name)
795 return simcall_BODY_rdv_create(name);
800 * \ingroup simix_rdv_management
801 * \brief Destroy a rendez-vous point
802 * \param rdv The rendez-vous point to destroy
804 void simcall_rdv_destroy(smx_rdv_t rdv)
806 simcall_BODY_rdv_destroy(rdv);
809 * \ingroup simix_rdv_management
810 * \brief Returns a rendez-vous point knowing its name
812 smx_rdv_t simcall_rdv_get_by_name(const char *name)
814 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
816 /* FIXME: this is a horrible loss of performance, so we hack it out by
817 * skipping the simcall (for now). It works in parallel, it won't work on
818 * distributed but probably we will change MSG for that. */
821 smx_simcall_t simcall = simcall_mine();
822 simcall->call = SIMCALL_RDV_GEY_BY_NAME;
823 simcall->rdv_get_by_name.name = name;
824 SIMIX_simcall_push(simcall->issuer);
825 return simcall->rdv_get_by_name.result;*/
827 return SIMIX_rdv_get_by_name(name);
831 * \ingroup simix_rdv_management
832 * \brief Counts the number of communication actions of a given host pending
833 * on a rendez-vous point.
834 * \param rdv The rendez-vous point
835 * \param host The host to be counted
836 * \return The number of comm actions pending in the rdv
838 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
840 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
844 * \ingroup simix_rdv_management
845 * \brief returns the communication at the head of the rendez-vous
846 * \param rdv The rendez-vous point
847 * \return The communication or NULL if empty
849 smx_action_t simcall_rdv_get_head(smx_rdv_t rdv)
851 return simcall_BODY_rdv_get_head(rdv);
854 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
856 simcall_BODY_rdv_set_receiver(rdv, process);
859 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
861 return simcall_BODY_rdv_get_receiver(rdv);
865 * \ingroup simix_comm_management
867 void simcall_comm_send(smx_rdv_t rdv, double task_size, double rate,
868 void *src_buff, size_t src_buff_size,
869 int (*match_fun)(void *, void *, smx_action_t), void *data,
872 /* checking for infinite values */
873 xbt_assert(isfinite(task_size), "task_size is not finite!");
874 xbt_assert(isfinite(rate), "rate is not finite!");
875 xbt_assert(isfinite(timeout), "timeout is not finite!");
877 xbt_assert(rdv, "No rendez-vous point defined for send");
879 if (MC_is_active()) {
880 /* the model-checker wants two separate simcalls */
881 smx_action_t comm = simcall_comm_isend(rdv, task_size, rate,
882 src_buff, src_buff_size, match_fun, NULL, data, 0);
883 simcall_comm_wait(comm, timeout);
886 simcall_BODY_comm_send(rdv, task_size, rate, src_buff, src_buff_size,
887 match_fun, data, timeout);
892 * \ingroup simix_comm_management
894 smx_action_t simcall_comm_isend(smx_rdv_t rdv, double task_size, double rate,
895 void *src_buff, size_t src_buff_size,
896 int (*match_fun)(void *, void *, smx_action_t),
897 void (*clean_fun)(void *),
901 /* checking for infinite values */
902 xbt_assert(isfinite(task_size), "task_size is not finite!");
903 xbt_assert(isfinite(rate), "rate is not finite!");
905 xbt_assert(rdv, "No rendez-vous point defined for isend");
907 return simcall_BODY_comm_isend(rdv, task_size, rate, src_buff,
908 src_buff_size, match_fun,
909 clean_fun, data, detached);
912 * \ingroup simix_comm_management
914 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
915 int (*match_fun)(void *, void *, smx_action_t), void *data, double timeout)
917 xbt_assert(isfinite(timeout), "timeout is not finite!");
918 xbt_assert(rdv, "No rendez-vous point defined for recv");
920 if (MC_is_active()) {
921 /* the model-checker wants two separate simcalls */
922 smx_action_t comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
924 simcall_comm_wait(comm, timeout);
927 simcall_BODY_comm_recv(rdv, dst_buff, dst_buff_size,
928 match_fun, data, timeout);
932 * \ingroup simix_comm_management
934 smx_action_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
935 int (*match_fun)(void *, void *, smx_action_t), void *data)
937 xbt_assert(rdv, "No rendez-vous point defined for irecv");
939 return simcall_BODY_comm_irecv(rdv, dst_buff, dst_buff_size,
945 * \ingroup simix_comm_management
947 void simcall_comm_recv_bounded(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
948 int (*match_fun)(void *, void *, smx_action_t), void *data, double timeout, double rate)
950 xbt_assert(isfinite(timeout), "timeout is not finite!");
951 xbt_assert(rdv, "No rendez-vous point defined for recv");
953 if (MC_is_active()) {
954 /* the model-checker wants two separate simcalls */
955 smx_action_t comm = simcall_comm_irecv_bounded(rdv, dst_buff, dst_buff_size,
956 match_fun, data, rate);
957 simcall_comm_wait(comm, timeout);
960 simcall_BODY_comm_recv_bounded(rdv, dst_buff, dst_buff_size,
961 match_fun, data, timeout, rate);
965 * \ingroup simix_comm_management
967 smx_action_t simcall_comm_irecv_bounded(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
968 int (*match_fun)(void *, void *, smx_action_t), void *data, double rate)
970 xbt_assert(rdv, "No rendez-vous point defined for irecv");
972 return simcall_BODY_comm_irecv_bounded(rdv, dst_buff, dst_buff_size,
973 match_fun, data, rate);
978 * \ingroup simix_comm_management
980 smx_action_t simcall_comm_iprobe(smx_rdv_t rdv, int src, int tag,
981 int (*match_fun)(void *, void *, smx_action_t), void *data)
983 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
985 return simcall_BODY_comm_iprobe(rdv, src, tag, match_fun, data);
988 void simcall_comm_destroy(smx_action_t comm)
990 xbt_assert(comm, "Invalid parameter");
992 /* FIXME remove this simcall type: comms are auto-destroyed now */
995 smx_simcall_t simcall = simcall_mine();
997 simcall->call = SIMCALL_COMM_DESTROY;
998 simcall->comm_destroy.comm = comm;
1000 SIMIX_simcall_push(simcall->issuer);
1005 * \ingroup simix_comm_management
1007 void simcall_comm_cancel(smx_action_t comm)
1009 simcall_BODY_comm_cancel(comm);
1013 * \ingroup simix_comm_management
1015 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1017 return simcall_BODY_comm_waitany(comms);
1021 * \ingroup simix_comm_management
1023 int simcall_comm_testany(xbt_dynar_t comms)
1025 if (xbt_dynar_is_empty(comms))
1027 return simcall_BODY_comm_testany(comms);
1031 * \ingroup simix_comm_management
1033 void simcall_comm_wait(smx_action_t comm, double timeout)
1035 xbt_assert(isfinite(timeout), "timeout is not finite!");
1036 simcall_BODY_comm_wait(comm, timeout);
1041 * \brief Set the category of an action.
1043 * This functions changes the category only. It calls a surf function.
1044 * \param execution The execution action
1045 * \param category The tracing category
1047 void simcall_set_category(smx_action_t action, const char *category)
1049 if (category == NULL) {
1052 simcall_BODY_set_category(action, category);
1057 * \ingroup simix_comm_management
1060 int simcall_comm_test(smx_action_t comm)
1062 return simcall_BODY_comm_test(comm);
1066 * \ingroup simix_comm_management
1069 double simcall_comm_get_remains(smx_action_t comm)
1071 return simcall_BODY_comm_get_remains(comm);
1075 * \ingroup simix_comm_management
1078 e_smx_state_t simcall_comm_get_state(smx_action_t comm)
1080 return simcall_BODY_comm_get_state(comm);
1084 * \ingroup simix_comm_management
1087 void *simcall_comm_get_src_data(smx_action_t comm)
1089 return simcall_BODY_comm_get_src_data(comm);
1093 * \ingroup simix_comm_management
1096 void *simcall_comm_get_dst_data(smx_action_t comm)
1098 return simcall_BODY_comm_get_dst_data(comm);
1102 * \ingroup simix_comm_management
1105 smx_process_t simcall_comm_get_src_proc(smx_action_t comm)
1107 return simcall_BODY_comm_get_src_proc(comm);
1111 * \ingroup simix_comm_management
1114 smx_process_t simcall_comm_get_dst_proc(smx_action_t comm)
1116 return simcall_BODY_comm_get_dst_proc(comm);
1119 #ifdef HAVE_LATENCY_BOUND_TRACKING
1120 int simcall_comm_is_latency_bounded(smx_action_t comm)
1122 return simcall_BODY_comm_is_latency_bounded(comm);
1127 * \ingroup simix_synchro_management
1130 smx_mutex_t simcall_mutex_init(void)
1133 fprintf(stderr,"You must run MSG_init before using MSG\n"); // We can't use xbt_die since we may get there before the initialization
1136 return simcall_BODY_mutex_init();
1140 * \ingroup simix_synchro_management
1143 void simcall_mutex_destroy(smx_mutex_t mutex)
1145 simcall_BODY_mutex_destroy(mutex);
1149 * \ingroup simix_synchro_management
1152 void simcall_mutex_lock(smx_mutex_t mutex)
1154 simcall_BODY_mutex_lock(mutex);
1158 * \ingroup simix_synchro_management
1161 int simcall_mutex_trylock(smx_mutex_t mutex)
1163 return simcall_BODY_mutex_trylock(mutex);
1167 * \ingroup simix_synchro_management
1170 void simcall_mutex_unlock(smx_mutex_t mutex)
1172 simcall_BODY_mutex_unlock(mutex);
1176 * \ingroup simix_synchro_management
1179 smx_cond_t simcall_cond_init(void)
1181 return simcall_BODY_cond_init();
1185 * \ingroup simix_synchro_management
1188 void simcall_cond_destroy(smx_cond_t cond)
1190 simcall_BODY_cond_destroy(cond);
1194 * \ingroup simix_synchro_management
1197 void simcall_cond_signal(smx_cond_t cond)
1199 simcall_BODY_cond_signal(cond);
1203 * \ingroup simix_synchro_management
1206 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1208 simcall_BODY_cond_wait(cond, mutex);
1212 * \ingroup simix_synchro_management
1215 void simcall_cond_wait_timeout(smx_cond_t cond,
1219 xbt_assert(isfinite(timeout), "timeout is not finite!");
1220 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1224 * \ingroup simix_synchro_management
1227 void simcall_cond_broadcast(smx_cond_t cond)
1229 simcall_BODY_cond_broadcast(cond);
1233 * \ingroup simix_synchro_management
1236 smx_sem_t simcall_sem_init(int capacity)
1238 return simcall_BODY_sem_init(capacity);
1242 * \ingroup simix_synchro_management
1245 void simcall_sem_destroy(smx_sem_t sem)
1247 simcall_sem_destroy(sem);
1251 * \ingroup simix_synchro_management
1254 void simcall_sem_release(smx_sem_t sem)
1256 simcall_BODY_sem_release(sem);
1260 * \ingroup simix_synchro_management
1263 int simcall_sem_would_block(smx_sem_t sem)
1265 return simcall_BODY_sem_would_block(sem);
1269 * \ingroup simix_synchro_management
1272 void simcall_sem_acquire(smx_sem_t sem)
1274 simcall_BODY_sem_acquire(sem);
1278 * \ingroup simix_synchro_management
1281 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1283 xbt_assert(isfinite(timeout), "timeout is not finite!");
1284 simcall_BODY_sem_acquire_timeout(sem, timeout);
1288 * \ingroup simix_synchro_management
1291 int simcall_sem_get_capacity(smx_sem_t sem)
1293 return simcall_BODY_sem_get_capacity(sem);
1297 * \ingroup simix_file_management
1300 size_t simcall_file_read(void* ptr, size_t size, smx_file_t fd)
1302 return simcall_BODY_file_read(ptr, size, fd);
1306 * \ingroup simix_file_management
1309 size_t simcall_file_write(const void* ptr, size_t size,
1312 return simcall_BODY_file_write(ptr, size, fd);
1316 * \ingroup simix_file_management
1319 smx_file_t simcall_file_open(const char* mount, const char* path)
1321 return simcall_BODY_file_open(mount, path);
1325 * \ingroup simix_file_management
1328 int simcall_file_close(smx_file_t fd)
1330 return simcall_BODY_file_close(fd);
1334 * \ingroup simix_file_management
1337 int simcall_file_unlink(smx_file_t fd)
1339 return simcall_BODY_file_unlink(fd);
1343 * \ingroup simix_file_management
1346 xbt_dict_t simcall_file_ls(const char* mount, const char* path)
1348 return simcall_BODY_file_ls(mount, path);
1351 * \ingroup simix_file_management
1354 size_t simcall_file_get_size (smx_file_t fd){
1355 return simcall_BODY_file_get_size(fd);
1360 void *simcall_mc_snapshot(void)
1362 return simcall_BODY_mc_snapshot();
1365 int simcall_mc_compare_snapshots(void *s1, void *s2){
1366 return simcall_BODY_mc_compare_snapshots(s1, s2);
1369 int simcall_mc_random(void)
1371 return simcall_BODY_mc_random();
1375 #endif /* HAVE_MC */
1377 /* ****************************************************************************************** */
1378 /* TUTORIAL: New API */
1379 /* All functions for simcall */
1380 /* ****************************************************************************************** */
1381 int simcall_new_api_fct(const char* param1, double param2){
1382 smx_simcall_t simcall = SIMIX_simcall_mine();
1383 simcall->call = SIMCALL_NEW_API_INIT;
1384 simcall->new_api.param1 = param1;
1385 simcall->new_api.param2 = param2;
1387 SIMIX_simcall_push(simcall->issuer);
1388 return simcall->new_api.result;
1391 /* ************************************************************************** */
1393 /** @brief returns a printable string representing a simcall */
1394 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1395 return simcall_names[kind];