1 /* libsmx.c - public interface to simix */
3 /* These functions are the only ones that are visible from the higher levels */
4 /* (most of them simply add some documentation to the generated simcall body) */
6 /* This is somehow the "libc" of SimGrid */
8 /* Copyright (c) 2010-2015. The SimGrid Team.
9 * All rights reserved. */
11 /* This program is free software; you can redistribute it and/or modify it
12 * under the terms of the license (GNU LGPL) which comes with this package. */
14 #include "src/mc/mc_replay.h"
15 #include "smx_private.h"
16 #include "src/mc/mc_forward.h"
18 #include <math.h> /* isfinite() */
21 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
23 #include "popping_bodies.c"
26 * \ingroup simix_host_management
27 * \brief Start the host if it is off
29 * \param host A SIMIX host
31 void simcall_host_on(sg_host_t host)
33 simcall_BODY_host_on(host);
37 * \ingroup simix_host_management
38 * \brief Stop the host if it is on
40 * \param host A SIMIX host
42 void simcall_host_off(sg_host_t host)
44 simcall_BODY_host_off(host);
48 * \ingroup simix_host_management
49 * \brief Returns a dict of the properties assigned to a host.
52 * \return The properties of this host
54 xbt_dict_t simcall_host_get_properties(sg_host_t host)
56 return simcall_BODY_host_get_properties(host);
60 * \ingroup simix_host_management
61 * \brief Returns a dict of the properties assigned to a router or AS.
63 * \param name The name of the router or AS
64 * \return The properties
66 xbt_dict_t simcall_asr_get_properties(const char *name)
68 return simcall_BODY_asr_get_properties(name);
72 * \ingroup simix_host_management
73 * \brief Returns the list of processes attached to the host.
75 * \param host A SIMIX host
76 * \return the swag of attached processes
78 xbt_swag_t simcall_host_get_process_list(sg_host_t host)
80 return simcall_BODY_host_get_process_list(host);
84 * \ingroup simix_host_management
85 * \brief Returns the power peak of a host.
87 * \param host A SIMIX host
88 * \return the current power peak value (double)
90 double simcall_host_get_current_power_peak(sg_host_t host)
92 return simcall_BODY_host_get_current_power_peak(host);
96 * \ingroup simix_host_management
97 * \brief Returns one power peak (in flops/s) of a host at a given pstate
99 * \param host A SIMIX host
100 * \param pstate_index pstate to test
101 * \return the current power peak value (double) for pstate_index
103 double simcall_host_get_power_peak_at(sg_host_t host, int pstate_index)
105 return simcall_BODY_host_get_power_peak_at(host, pstate_index);
109 * \ingroup simix_host_management
110 * \brief Returns the number of power states for a host.
112 * \param host A SIMIX host
113 * \return the number of power states
115 int simcall_host_get_nb_pstates(sg_host_t host)
117 return simcall_BODY_host_get_nb_pstates(host);
121 * \ingroup simix_host_management
122 * \brief Sets the pstate at which the host should run
124 * \param host A SIMIX host
125 * \param pstate_index The pstate to which the CPU power will be set
127 void simcall_host_set_pstate(sg_host_t host, int pstate_index)
129 simcall_BODY_host_set_pstate(host, pstate_index);
132 /** \ingroup simix_host_management
133 * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
135 double simcall_host_get_wattmin_at(msg_host_t host, int pstate){
136 return simcall_BODY_host_get_wattmin_at(host, pstate);
138 /** \ingroup simix_host_management
139 * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
141 double simcall_host_get_wattmax_at(msg_host_t host, int pstate){
142 return simcall_BODY_host_get_wattmax_at(host, pstate);
148 * \ingroup simix_process_management
149 * \brief Creates a synchro that executes some computation of an host.
151 * This function creates a SURF action and allocates the data necessary
152 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
154 * \param name Name of the execution synchro to create
155 * \param flops_amount amount Computation amount (in flops)
156 * \param priority computation priority
158 * \param affinity_mask
159 * \return A new SIMIX execution synchronization
161 smx_synchro_t simcall_process_execute(const char *name,
163 double priority, double bound, unsigned long affinity_mask)
165 /* checking for infinite values */
166 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
167 xbt_assert(isfinite(priority), "priority is not finite!");
169 return simcall_BODY_process_execute(name, flops_amount, priority, bound, affinity_mask);
173 * \ingroup simix_process_management
174 * \brief Creates a synchro that may involve parallel computation on
175 * several hosts and communication between them.
177 * \param name Name of the execution synchro to create
178 * \param host_nb Number of hosts where the synchro will be executed
179 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
180 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
181 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
182 * amount between each pair of hosts
183 * \param amount the SURF action amount
184 * \param rate the SURF action rate
185 * \return A new SIMIX execution synchronization
187 smx_synchro_t simcall_process_parallel_execute(const char *name,
189 sg_host_t *host_list,
190 double *flops_amount,
191 double *bytes_amount,
196 /* checking for infinite values */
197 for (i = 0 ; i < host_nb ; ++i) {
198 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
199 for (j = 0 ; j < host_nb ; ++j) {
200 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
201 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
205 xbt_assert(isfinite(amount), "amount is not finite!");
206 xbt_assert(isfinite(rate), "rate is not finite!");
208 return simcall_BODY_process_parallel_execute(name, host_nb, host_list,
216 * \ingroup simix_process_management
217 * \brief Destroys an execution synchro.
219 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
220 * \param execution The execution synchro to destroy
222 void simcall_process_execution_destroy(smx_synchro_t execution)
224 simcall_BODY_process_execution_destroy(execution);
228 * \ingroup simix_process_management
229 * \brief Cancels an execution synchro.
231 * This functions stops the execution. It calls a surf function.
232 * \param execution The execution synchro to cancel
234 void simcall_process_execution_cancel(smx_synchro_t execution)
236 simcall_BODY_process_execution_cancel(execution);
240 * \ingroup simix_process_management
241 * \brief Returns how much of an execution synchro remains to be done.
243 * \param execution The execution synchro
244 * \return The remaining amount
246 double simcall_process_execution_get_remains(smx_synchro_t execution)
248 return simcall_BODY_process_execution_get_remains(execution);
252 * \ingroup simix_process_management
253 * \brief Returns the state of an execution synchro.
255 * \param execution The execution synchro
258 e_smx_state_t simcall_process_execution_get_state(smx_synchro_t execution)
260 return simcall_BODY_process_execution_get_state(execution);
264 * \ingroup simix_process_management
265 * \brief Changes the priority of an execution synchro.
267 * This functions changes the priority only. It calls a surf function.
268 * \param execution The execution synchro
269 * \param priority The new priority
271 void simcall_process_execution_set_priority(smx_synchro_t execution, double priority)
273 /* checking for infinite values */
274 xbt_assert(isfinite(priority), "priority is not finite!");
276 simcall_BODY_process_execution_set_priority(execution, priority);
280 * \ingroup simix_process_management
281 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
283 * This functions changes the capping only. It calls a surf function.
284 * \param execution The execution synchro
285 * \param bound The new bound
287 void simcall_process_execution_set_bound(smx_synchro_t execution, double bound)
289 simcall_BODY_process_execution_set_bound(execution, bound);
293 * \ingroup simix_process_management
294 * \brief Changes the CPU affinity of an execution synchro.
296 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
297 * \param execution The execution synchro
299 * \param mask Affinity mask
301 void simcall_process_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask)
303 simcall_BODY_process_execution_set_affinity(execution, host, mask);
307 * \ingroup simix_host_management
308 * \brief Waits for the completion of an execution synchro and destroy it.
310 * \param execution The execution synchro
312 e_smx_state_t simcall_process_execution_wait(smx_synchro_t execution)
314 return simcall_BODY_process_execution_wait(execution);
319 * \ingroup simix_vm_management
320 * \brief Create a VM on the given physical host.
322 * \param name VM name
323 * \param host Physical host
325 * \return The host object of the VM
327 void* simcall_vm_create(const char *name, sg_host_t phys_host){
328 return simcall_BODY_vm_create(name, phys_host);
332 * \ingroup simix_vm_management
333 * \brief Start the given VM to the given physical host
337 void simcall_vm_start(sg_host_t vm)
339 simcall_BODY_vm_start(vm);
343 * \ingroup simix_vm_management
344 * \brief Get the state of the given VM
347 * \return The state of the VM
349 int simcall_vm_get_state(sg_host_t vm)
351 return simcall_BODY_vm_get_state(vm);
355 * \ingroup simix_vm_management
356 * \brief Get the name of the physical host on which the given VM runs.
359 * \return The name of the physical host
361 void *simcall_vm_get_pm(sg_host_t vm)
363 return simcall_BODY_vm_get_pm(vm);
366 void simcall_vm_set_bound(sg_host_t vm, double bound)
368 simcall_BODY_vm_set_bound(vm, bound);
371 void simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask)
373 simcall_BODY_vm_set_affinity(vm, pm, mask);
376 void simcall_host_get_params(sg_host_t vm, vm_params_t params)
378 simcall_BODY_host_get_params(vm, params);
381 void simcall_host_set_params(sg_host_t vm, vm_params_t params)
383 simcall_BODY_host_set_params(vm, params);
387 * \ingroup simix_vm_management
388 * \brief Migrate the given VM to the given physical host
391 * \param host Destination physical host
393 void simcall_vm_migrate(sg_host_t vm, sg_host_t host)
395 simcall_BODY_vm_migrate(vm, host);
399 * \ingroup simix_vm_management
400 * \brief Suspend the given VM
404 void simcall_vm_suspend(sg_host_t vm)
406 simcall_BODY_vm_suspend(vm);
410 * \ingroup simix_vm_management
411 * \brief Resume the given VM
415 void simcall_vm_resume(sg_host_t vm)
417 simcall_BODY_vm_resume(vm);
421 * \ingroup simix_vm_management
422 * \brief Save the given VM
426 void simcall_vm_save(sg_host_t vm)
428 simcall_BODY_vm_save(vm);
432 * \ingroup simix_vm_management
433 * \brief Restore the given VM
437 void simcall_vm_restore(sg_host_t vm)
439 simcall_BODY_vm_restore(vm);
443 * \ingroup simix_vm_management
444 * \brief Shutdown the given VM
448 void simcall_vm_shutdown(sg_host_t vm)
450 simcall_BODY_vm_shutdown(vm);
454 * \ingroup simix_vm_management
455 * \brief Destroy the given VM
459 void simcall_vm_destroy(sg_host_t vm)
461 simcall_BODY_vm_destroy(vm);
465 * \ingroup simix_vm_management
466 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
467 * The simcall actually invokes the following calls:
468 * simcall_vm_set_affinity(vm, src_pm, 0);
469 * simcall_vm_migrate(vm, dst_pm);
470 * simcall_vm_resume(vm);
472 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
474 * \param vm VM to migrate
475 * \param src_pm Source physical host
476 * \param dst_pmt Destination physical host
478 void simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
480 simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
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 name a name for the process. It is for user-level information and can be NULL.
490 * \param code the main function of the process
491 * \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.
492 * It can be retrieved with the function \ref simcall_process_get_data.
493 * \param hostname name of the host where the new agent is executed.
494 * \param kill_time time when the process is killed
495 * \param argc first argument passed to \a code
496 * \param argv second argument passed to \a code
497 * \param properties the properties of the process
498 * \param auto_restart either it is autorestarting or not.
500 smx_process_t simcall_process_create(const char *name,
501 xbt_main_func_t code,
503 const char *hostname,
505 int argc, char **argv,
506 xbt_dict_t properties,
509 return (smx_process_t) simcall_BODY_process_create(name, code, data, hostname,
510 kill_time, argc, argv, properties,
515 * \ingroup simix_process_management
516 * \brief Kills a SIMIX process.
518 * This function simply kills a process.
520 * \param process poor victim
522 void simcall_process_kill(smx_process_t process)
524 simcall_BODY_process_kill(process);
528 * \ingroup simix_process_management
529 * \brief Kills all SIMIX processes.
531 void simcall_process_killall(int reset_pid)
533 simcall_BODY_process_killall(reset_pid);
537 * \ingroup simix_process_management
538 * \brief Cleans up a SIMIX process.
539 * \param process poor victim (must have already been killed)
541 void simcall_process_cleanup(smx_process_t process)
543 simcall_BODY_process_cleanup(process);
547 * \ingroup simix_process_management
548 * \brief Migrates an agent to another location.
550 * This function changes the value of the host on which \a process is running.
552 * \param process the process to migrate
553 * \param dest name of the new host
555 void simcall_process_set_host(smx_process_t process, sg_host_t dest)
557 simcall_BODY_process_set_host(process, dest);
560 void simcall_process_join(smx_process_t process, double timeout)
562 simcall_BODY_process_join(process, timeout);
566 * \ingroup simix_process_management
567 * \brief Suspends a process.
569 * This function suspends the process by suspending the synchro
570 * it was waiting for completion.
572 * \param process a SIMIX process
574 void simcall_process_suspend(smx_process_t process)
576 xbt_assert(process, "Invalid parameters");
578 simcall_BODY_process_suspend(process);
582 * \ingroup simix_process_management
583 * \brief Resumes a suspended process.
585 * This function resumes a suspended process by resuming the synchro
586 * it was waiting for completion.
588 * \param process a SIMIX process
590 void simcall_process_resume(smx_process_t process)
592 simcall_BODY_process_resume(process);
596 * \ingroup simix_process_management
597 * \brief Returns the amount of SIMIX processes in the system
599 * Maestro internal process is not counted, only user code processes are
601 int simcall_process_count(void)
603 return simcall_BODY_process_count();
607 * \ingroup simix_process_management
608 * \brief Return the PID of a #smx_process_t.
609 * \param process a SIMIX process
610 * \return the PID of this process
612 int simcall_process_get_PID(smx_process_t process)
614 if (process == SIMIX_process_self()) {
615 /* avoid a simcall if this function is called by the process itself */
616 return SIMIX_process_get_PID(process);
619 return simcall_BODY_process_get_PID(process);
623 * \ingroup simix_process_management
624 * \brief Return the parent PID of a #smx_process_t.
625 * \param process a SIMIX process
626 * \return the PID of this process parenrt
628 int simcall_process_get_PPID(smx_process_t process)
630 if (process == SIMIX_process_self()) {
631 /* avoid a simcall if this function is called by the process itself */
632 return SIMIX_process_get_PPID(process);
635 return simcall_BODY_process_get_PPID(process);
639 * \ingroup simix_process_management
640 * \brief Return the user data of a #smx_process_t.
641 * \param process a SIMIX process
642 * \return the user data of this process
644 void* simcall_process_get_data(smx_process_t process)
646 if (process == SIMIX_process_self()) {
647 /* avoid a simcall if this function is called by the process itself */
648 return SIMIX_process_get_data(process);
651 return simcall_BODY_process_get_data(process);
655 * \ingroup simix_process_management
656 * \brief Set the user data of a #smx_process_t.
658 * This functions sets the user data associated to \a process.
659 * \param process SIMIX process
660 * \param data User data
662 void simcall_process_set_data(smx_process_t process, void *data)
664 if (process == SIMIX_process_self()) {
665 /* avoid a simcall if this function is called by the process itself */
666 SIMIX_process_self_set_data(process, data);
669 simcall_BODY_process_set_data(process, data);
674 * \ingroup simix_process_management
675 * \brief Set the kill time of a process.
677 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
680 if (kill_time > SIMIX_get_clock()) {
681 if (simix_global->kill_process_function) {
682 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
683 sg_host_name(process->host));
684 process->kill_timer = SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
689 * \ingroup simix_process_management
690 * \brief Get the kill time of a process (or 0 if unset).
692 double simcall_process_get_kill_time(smx_process_t process) {
693 return SIMIX_timer_get_date(process->kill_timer);
697 * \ingroup simix_process_management
698 * \brief Return the location on which an agent is running.
700 * This functions returns the sg_host_t corresponding to the location on which
701 * \a process is running.
702 * \param process SIMIX process
705 sg_host_t simcall_process_get_host(smx_process_t process)
707 return simcall_BODY_process_get_host(process);
711 * \ingroup simix_process_management
712 * \brief Return the name of an agent.
714 * This functions checks whether \a process is a valid pointer or not and return its name.
715 * \param process SIMIX process
716 * \return The process name
718 const char* simcall_process_get_name(smx_process_t process)
720 if (process == SIMIX_process_self()) {
721 /* avoid a simcall if this function is called by the process itself */
722 return process->name;
724 return simcall_BODY_process_get_name(process);
728 * \ingroup simix_process_management
729 * \brief Returns true if the process is suspended .
731 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
732 * \param process SIMIX process
733 * \return 1, if the process is suspended, else 0.
735 int simcall_process_is_suspended(smx_process_t process)
737 return simcall_BODY_process_is_suspended(process);
741 * \ingroup simix_process_management
742 * \brief Return the properties
744 * This functions returns the properties associated with this process
746 xbt_dict_t simcall_process_get_properties(smx_process_t process)
748 return simcall_BODY_process_get_properties(process);
751 * \ingroup simix_process_management
752 * \brief Add an on_exit function
753 * Add an on_exit function which will be executed when the process exits/is killed.
755 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
757 simcall_BODY_process_on_exit(process, fun, data);
760 * \ingroup simix_process_management
761 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
762 * Will restart the process when the host comes back up if auto_restart is set to 1.
765 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
767 simcall_BODY_process_auto_restart_set(process, auto_restart);
771 * \ingroup simix_process_management
772 * \brief Restarts the process, killing it and starting it again from scratch.
774 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
776 return simcall_BODY_process_restart(process);
779 * \ingroup simix_process_management
780 * \brief Creates a new sleep SIMIX synchro.
782 * This function creates a SURF action and allocates the data necessary
783 * to create the SIMIX synchro. It can raise a host_error exception if the
784 * host crashed. The default SIMIX name of the synchro is "sleep".
786 * \param duration Time duration of the sleep.
787 * \return A result telling whether the sleep was successful
789 e_smx_state_t simcall_process_sleep(double duration)
791 /* checking for infinite values */
792 xbt_assert(isfinite(duration), "duration is not finite!");
793 return simcall_BODY_process_sleep(duration);
797 * \ingroup simix_rdv_management
798 * \brief Creates a new rendez-vous point
799 * \param name The name of the rendez-vous point
800 * \return The created rendez-vous point
802 smx_rdv_t simcall_rdv_create(const char *name)
804 return simcall_BODY_rdv_create(name);
809 * \ingroup simix_rdv_management
810 * \brief Destroy a rendez-vous point
811 * \param rdv The rendez-vous point to destroy
813 void simcall_rdv_destroy(smx_rdv_t rdv)
815 simcall_BODY_rdv_destroy(rdv);
818 * \ingroup simix_rdv_management
819 * \brief Returns a rendez-vous point knowing its name
821 smx_rdv_t simcall_rdv_get_by_name(const char *name)
823 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
825 /* FIXME: this is a horrible loss of performance, so we hack it out by
826 * skipping the simcall (for now). It works in parallel, it won't work on
827 * distributed but probably we will change MSG for that. */
829 return SIMIX_rdv_get_by_name(name);
833 * \ingroup simix_rdv_management
834 * \brief Counts the number of communication synchros of a given host pending
835 * on a rendez-vous point.
836 * \param rdv The rendez-vous point
837 * \param host The host to be counted
838 * \return The number of comm synchros pending in the rdv
840 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, sg_host_t host)
842 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
846 * \ingroup simix_rdv_management
847 * \brief returns the communication at the head of the rendez-vous
848 * \param rdv The rendez-vous point
849 * \return The communication or NULL if empty
851 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
853 return simcall_BODY_rdv_get_head(rdv);
856 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
858 simcall_BODY_rdv_set_receiver(rdv, process);
861 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
863 return simcall_BODY_rdv_get_receiver(rdv);
867 * \ingroup simix_comm_management
869 void simcall_comm_send(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
870 void *src_buff, size_t src_buff_size,
871 int (*match_fun)(void *, void *, smx_synchro_t),
872 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
875 /* checking for infinite values */
876 xbt_assert(isfinite(task_size), "task_size is not finite!");
877 xbt_assert(isfinite(rate), "rate is not finite!");
878 xbt_assert(isfinite(timeout), "timeout is not finite!");
880 xbt_assert(rdv, "No rendez-vous point defined for send");
882 if (MC_is_active() || MC_record_replay_is_active()) {
883 /* the model-checker wants two separate simcalls */
884 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
885 comm = simcall_comm_isend(sender, rdv, task_size, rate,
886 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
887 simcall_comm_wait(comm, timeout);
891 simcall_BODY_comm_send(sender, rdv, task_size, rate, src_buff, src_buff_size,
892 match_fun, copy_data_fun, data, timeout);
897 * \ingroup simix_comm_management
899 smx_synchro_t simcall_comm_isend(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
900 void *src_buff, size_t src_buff_size,
901 int (*match_fun)(void *, void *, smx_synchro_t),
902 void (*clean_fun)(void *),
903 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
907 /* checking for infinite values */
908 xbt_assert(isfinite(task_size), "task_size is not finite!");
909 xbt_assert(isfinite(rate), "rate is not finite!");
911 xbt_assert(rdv, "No rendez-vous point defined for isend");
913 return simcall_BODY_comm_isend(sender, rdv, task_size, rate, src_buff,
914 src_buff_size, match_fun,
915 clean_fun, copy_data_fun, data, detached);
919 * \ingroup simix_comm_management
921 void simcall_comm_recv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
922 int (*match_fun)(void *, void *, smx_synchro_t),
923 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
924 void *data, double timeout, double rate)
926 xbt_assert(isfinite(timeout), "timeout is not finite!");
927 xbt_assert(rdv, "No rendez-vous point defined for recv");
929 if (MC_is_active() || MC_record_replay_is_active()) {
930 /* the model-checker wants two separate simcalls */
931 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
932 comm = simcall_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
933 match_fun, copy_data_fun, data, rate);
934 simcall_comm_wait(comm, timeout);
938 simcall_BODY_comm_recv(receiver, rdv, dst_buff, dst_buff_size,
939 match_fun, copy_data_fun, data, timeout, rate);
943 * \ingroup simix_comm_management
945 smx_synchro_t simcall_comm_irecv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
946 int (*match_fun)(void *, void *, smx_synchro_t),
947 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
948 void *data, double rate)
950 xbt_assert(rdv, "No rendez-vous point defined for irecv");
952 return simcall_BODY_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
953 match_fun, copy_data_fun, data, rate);
957 * \ingroup simix_comm_management
959 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
960 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
962 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
964 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
968 * \ingroup simix_comm_management
970 void simcall_comm_cancel(smx_synchro_t comm)
972 simcall_BODY_comm_cancel(comm);
976 * \ingroup simix_comm_management
978 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
980 return simcall_BODY_comm_waitany(comms);
984 * \ingroup simix_comm_management
986 int simcall_comm_testany(xbt_dynar_t comms)
988 if (xbt_dynar_is_empty(comms))
990 return simcall_BODY_comm_testany(comms);
994 * \ingroup simix_comm_management
996 void simcall_comm_wait(smx_synchro_t comm, double timeout)
998 xbt_assert(isfinite(timeout), "timeout is not finite!");
999 simcall_BODY_comm_wait(comm, timeout);
1003 * \brief Set the category of an synchro.
1005 * This functions changes the category only. It calls a surf function.
1006 * \param execution The execution synchro
1007 * \param category The tracing category
1009 void simcall_set_category(smx_synchro_t synchro, const char *category)
1011 if (category == NULL) {
1014 simcall_BODY_set_category(synchro, category);
1018 * \ingroup simix_comm_management
1021 int simcall_comm_test(smx_synchro_t comm)
1023 return simcall_BODY_comm_test(comm);
1027 * \ingroup simix_comm_management
1030 double simcall_comm_get_remains(smx_synchro_t comm)
1032 return simcall_BODY_comm_get_remains(comm);
1036 * \ingroup simix_comm_management
1039 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1041 return simcall_BODY_comm_get_state(comm);
1045 * \ingroup simix_comm_management
1048 void *simcall_comm_get_src_data(smx_synchro_t comm)
1050 return simcall_BODY_comm_get_src_data(comm);
1054 * \ingroup simix_comm_management
1057 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1059 return simcall_BODY_comm_get_dst_data(comm);
1063 * \ingroup simix_comm_management
1066 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1068 return simcall_BODY_comm_get_src_proc(comm);
1072 * \ingroup simix_comm_management
1075 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1077 return simcall_BODY_comm_get_dst_proc(comm);
1080 #ifdef HAVE_LATENCY_BOUND_TRACKING
1081 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1083 return simcall_BODY_comm_is_latency_bounded(comm);
1088 * \ingroup simix_synchro_management
1091 smx_mutex_t simcall_mutex_init(void)
1094 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
1097 return simcall_BODY_mutex_init();
1101 * \ingroup simix_synchro_management
1104 void simcall_mutex_destroy(smx_mutex_t mutex)
1106 simcall_BODY_mutex_destroy(mutex);
1110 * \ingroup simix_synchro_management
1113 void simcall_mutex_lock(smx_mutex_t mutex)
1115 simcall_BODY_mutex_lock(mutex);
1119 * \ingroup simix_synchro_management
1122 int simcall_mutex_trylock(smx_mutex_t mutex)
1124 return simcall_BODY_mutex_trylock(mutex);
1128 * \ingroup simix_synchro_management
1131 void simcall_mutex_unlock(smx_mutex_t mutex)
1133 simcall_BODY_mutex_unlock(mutex);
1137 * \ingroup simix_synchro_management
1140 smx_cond_t simcall_cond_init(void)
1142 return simcall_BODY_cond_init();
1146 * \ingroup simix_synchro_management
1149 void simcall_cond_destroy(smx_cond_t cond)
1151 simcall_BODY_cond_destroy(cond);
1155 * \ingroup simix_synchro_management
1158 void simcall_cond_signal(smx_cond_t cond)
1160 simcall_BODY_cond_signal(cond);
1164 * \ingroup simix_synchro_management
1167 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1169 simcall_BODY_cond_wait(cond, mutex);
1173 * \ingroup simix_synchro_management
1176 void simcall_cond_wait_timeout(smx_cond_t cond,
1180 xbt_assert(isfinite(timeout), "timeout is not finite!");
1181 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1185 * \ingroup simix_synchro_management
1188 void simcall_cond_broadcast(smx_cond_t cond)
1190 simcall_BODY_cond_broadcast(cond);
1194 * \ingroup simix_synchro_management
1197 smx_sem_t simcall_sem_init(int capacity)
1199 return simcall_BODY_sem_init(capacity);
1203 * \ingroup simix_synchro_management
1206 void simcall_sem_destroy(smx_sem_t sem)
1208 simcall_BODY_sem_destroy(sem);
1212 * \ingroup simix_synchro_management
1215 void simcall_sem_release(smx_sem_t sem)
1217 simcall_BODY_sem_release(sem);
1221 * \ingroup simix_synchro_management
1224 int simcall_sem_would_block(smx_sem_t sem)
1226 return simcall_BODY_sem_would_block(sem);
1230 * \ingroup simix_synchro_management
1233 void simcall_sem_acquire(smx_sem_t sem)
1235 simcall_BODY_sem_acquire(sem);
1239 * \ingroup simix_synchro_management
1242 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1244 xbt_assert(isfinite(timeout), "timeout is not finite!");
1245 simcall_BODY_sem_acquire_timeout(sem, timeout);
1249 * \ingroup simix_synchro_management
1252 int simcall_sem_get_capacity(smx_sem_t sem)
1254 return simcall_BODY_sem_get_capacity(sem);
1258 * \ingroup simix_file_management
1261 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
1263 return simcall_BODY_file_read(fd, size, host);
1267 * \ingroup simix_file_management
1270 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
1272 return simcall_BODY_file_write(fd, size, host);
1276 * \ingroup simix_file_management
1279 smx_file_t simcall_file_open(const char* fullpath, sg_host_t host)
1281 return simcall_BODY_file_open(fullpath, host);
1285 * \ingroup simix_file_management
1288 int simcall_file_close(smx_file_t fd, sg_host_t host)
1290 return simcall_BODY_file_close(fd, host);
1294 * \ingroup simix_file_management
1297 int simcall_file_unlink(smx_file_t fd, sg_host_t host)
1299 return simcall_BODY_file_unlink(fd, host);
1303 * \ingroup simix_file_management
1306 sg_size_t simcall_file_get_size(smx_file_t fd){
1307 return simcall_BODY_file_get_size(fd);
1311 * \ingroup simix_file_management
1314 sg_size_t simcall_file_tell(smx_file_t fd){
1315 return simcall_BODY_file_tell(fd);
1319 * \ingroup simix_file_management
1322 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1324 return simcall_BODY_file_get_info(fd);
1328 * \ingroup simix_file_management
1331 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1332 return simcall_BODY_file_seek(fd, offset, origin);
1336 * \ingroup simix_file_management
1337 * \brief Move a file to another location on the *same mount point*.
1340 int simcall_file_move(smx_file_t fd, const char* fullpath)
1342 return simcall_BODY_file_move(fd, fullpath);
1346 * \ingroup simix_storage_management
1347 * \brief Returns the free space size on a given storage element.
1348 * \param storage a storage
1349 * \return Return the free space size on a given storage element (as sg_size_t)
1351 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1352 return simcall_BODY_storage_get_free_size(storage);
1356 * \ingroup simix_storage_management
1357 * \brief Returns the used space size on a given storage element.
1358 * \param storage a storage
1359 * \return Return the used space size on a given storage element (as sg_size_t)
1361 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1362 return simcall_BODY_storage_get_used_size(storage);
1366 * \ingroup simix_storage_management
1367 * \brief Returns the list of storages mounted on an host.
1368 * \param host A SIMIX host
1369 * \return a dict containing all storages mounted on the host
1371 xbt_dict_t simcall_host_get_mounted_storage_list(sg_host_t host)
1373 return simcall_BODY_host_get_mounted_storage_list(host);
1377 * \ingroup simix_storage_management
1378 * \brief Returns the list of storages attached to an host.
1379 * \param host A SIMIX host
1380 * \return a dict containing all storages attached to the host
1382 xbt_dynar_t simcall_host_get_attached_storage_list(sg_host_t host)
1384 return simcall_BODY_host_get_attached_storage_list(host);
1388 * \ingroup simix_storage_management
1389 * \brief Returns a dict of the properties assigned to a storage element.
1391 * \param storage A storage element
1392 * \return The properties of this storage element
1394 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1396 return simcall_BODY_storage_get_properties(storage);
1400 * \ingroup simix_storage_management
1401 * \brief Returns a dict containing the content of a storage element.
1403 * \param storage A storage element
1404 * \return The content of this storage element as a dict (full path file => size)
1406 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1408 return simcall_BODY_storage_get_content(storage);
1415 void *simcall_mc_snapshot(void) {
1416 return simcall_BODY_mc_snapshot();
1419 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1420 return simcall_BODY_mc_compare_snapshots(s1, s2);
1423 #endif /* HAVE_MC */
1425 int simcall_mc_random(int min, int max) {
1426 return simcall_BODY_mc_random(min, max);
1429 /* ************************************************************************** */
1431 /** @brief returns a printable string representing a simcall */
1432 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1433 return simcall_names[kind];