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. */
16 #include "src/mc/mc_replay.h"
17 #include "smx_private.h"
18 #include "src/mc/mc_forward.h"
20 #include <math.h> /* isfinite() */
23 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
25 #include "popping_bodies.cpp"
28 * \ingroup simix_host_management
29 * \brief Start the host if it is off
31 * \param host A SIMIX host
33 void simcall_host_on(sg_host_t host)
35 simcall_BODY_host_on(host);
39 * \ingroup simix_host_management
40 * \brief Stop the host if it is on
42 * \param host A SIMIX host
44 void simcall_host_off(sg_host_t host)
46 simcall_BODY_host_off(host);
50 * \ingroup simix_host_management
51 * \brief Returns a dict of the properties assigned to a host.
54 * \return The properties of this host
56 xbt_dict_t simcall_host_get_properties(sg_host_t host)
58 return simcall_BODY_host_get_properties(host);
62 * \ingroup simix_host_management
63 * \brief Returns a dict of the properties assigned to a router or AS.
65 * \param name The name of the router or AS
66 * \return The properties
68 xbt_dict_t simcall_asr_get_properties(const char *name)
70 return simcall_BODY_asr_get_properties(name);
74 * \ingroup simix_host_management
75 * \brief Returns the list of processes attached to the host.
77 * \param host A SIMIX host
78 * \return the swag of attached processes
80 xbt_swag_t simcall_host_get_process_list(sg_host_t host)
82 return simcall_BODY_host_get_process_list(host);
86 * \ingroup simix_host_management
87 * \brief Returns the power peak of a host.
89 * \param host A SIMIX host
90 * \return the current power peak value (double)
92 double simcall_host_get_current_power_peak(sg_host_t host)
94 return simcall_BODY_host_get_current_power_peak(host);
98 * \ingroup simix_host_management
99 * \brief Returns one power peak (in flops/s) of a host at a given pstate
101 * \param host A SIMIX host
102 * \param pstate_index pstate to test
103 * \return the current power peak value (double) for pstate_index
105 double simcall_host_get_power_peak_at(sg_host_t host, int pstate_index)
107 return simcall_BODY_host_get_power_peak_at(host, pstate_index);
111 * \ingroup simix_host_management
112 * \brief Sets the pstate at which the host should run
114 * \param host A SIMIX host
115 * \param pstate_index The pstate to which the CPU power will be set
117 void simcall_host_set_pstate(sg_host_t host, int pstate_index)
119 simcall_BODY_host_set_pstate(host, pstate_index);
122 /** \ingroup simix_host_management
123 * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
125 double simcall_host_get_wattmin_at(msg_host_t host, int pstate){
126 return simcall_BODY_host_get_wattmin_at(host, pstate);
128 /** \ingroup simix_host_management
129 * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
131 double simcall_host_get_wattmax_at(msg_host_t host, int pstate){
132 return simcall_BODY_host_get_wattmax_at(host, pstate);
138 * \ingroup simix_process_management
139 * \brief Creates a synchro that executes some computation of an host.
141 * This function creates a SURF action and allocates the data necessary
142 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
144 * \param name Name of the execution synchro to create
145 * \param flops_amount amount Computation amount (in flops)
146 * \param priority computation priority
148 * \param affinity_mask
149 * \return A new SIMIX execution synchronization
151 smx_synchro_t simcall_process_execute(const char *name,
153 double priority, double bound, unsigned long affinity_mask)
155 /* checking for infinite values */
156 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
157 xbt_assert(isfinite(priority), "priority is not finite!");
159 return simcall_BODY_process_execute(name, flops_amount, priority, bound, affinity_mask);
163 * \ingroup simix_process_management
164 * \brief Creates a synchro that may involve parallel computation on
165 * several hosts and communication between them.
167 * \param name Name of the execution synchro to create
168 * \param host_nb Number of hosts where the synchro will be executed
169 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
170 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
171 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
172 * amount between each pair of hosts
173 * \param amount the SURF action amount
174 * \param rate the SURF action rate
175 * \return A new SIMIX execution synchronization
177 smx_synchro_t simcall_process_parallel_execute(const char *name,
179 sg_host_t *host_list,
180 double *flops_amount,
181 double *bytes_amount,
186 /* checking for infinite values */
187 for (i = 0 ; i < host_nb ; ++i) {
188 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
189 for (j = 0 ; j < host_nb ; ++j) {
190 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
191 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
195 xbt_assert(isfinite(amount), "amount is not finite!");
196 xbt_assert(isfinite(rate), "rate is not finite!");
198 return simcall_BODY_process_parallel_execute(name, host_nb, host_list,
206 * \ingroup simix_process_management
207 * \brief Destroys an execution synchro.
209 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
210 * \param execution The execution synchro to destroy
212 void simcall_process_execution_destroy(smx_synchro_t execution)
214 simcall_BODY_process_execution_destroy(execution);
218 * \ingroup simix_process_management
219 * \brief Cancels an execution synchro.
221 * This functions stops the execution. It calls a surf function.
222 * \param execution The execution synchro to cancel
224 void simcall_process_execution_cancel(smx_synchro_t execution)
226 simcall_BODY_process_execution_cancel(execution);
230 * \ingroup simix_process_management
231 * \brief Returns how much of an execution synchro remains to be done.
233 * \param execution The execution synchro
234 * \return The remaining amount
236 double simcall_process_execution_get_remains(smx_synchro_t execution)
238 return simcall_BODY_process_execution_get_remains(execution);
242 * \ingroup simix_process_management
243 * \brief Returns the state of an execution synchro.
245 * \param execution The execution synchro
248 e_smx_state_t simcall_process_execution_get_state(smx_synchro_t execution)
250 return simcall_BODY_process_execution_get_state(execution);
254 * \ingroup simix_process_management
255 * \brief Changes the priority of an execution synchro.
257 * This functions changes the priority only. It calls a surf function.
258 * \param execution The execution synchro
259 * \param priority The new priority
261 void simcall_process_execution_set_priority(smx_synchro_t execution, double priority)
263 /* checking for infinite values */
264 xbt_assert(isfinite(priority), "priority is not finite!");
266 simcall_BODY_process_execution_set_priority(execution, priority);
270 * \ingroup simix_process_management
271 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
273 * This functions changes the capping only. It calls a surf function.
274 * \param execution The execution synchro
275 * \param bound The new bound
277 void simcall_process_execution_set_bound(smx_synchro_t execution, double bound)
279 simcall_BODY_process_execution_set_bound(execution, bound);
283 * \ingroup simix_process_management
284 * \brief Changes the CPU affinity of an execution synchro.
286 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
287 * \param execution The execution synchro
289 * \param mask Affinity mask
291 void simcall_process_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask)
293 simcall_BODY_process_execution_set_affinity(execution, host, mask);
297 * \ingroup simix_host_management
298 * \brief Waits for the completion of an execution synchro and destroy it.
300 * \param execution The execution synchro
302 e_smx_state_t simcall_process_execution_wait(smx_synchro_t execution)
304 return (e_smx_state_t) simcall_BODY_process_execution_wait(execution);
309 * \ingroup simix_vm_management
310 * \brief Create a VM on the given physical host.
312 * \param name VM name
313 * \param host Physical host
315 * \return The host object of the VM
317 void* simcall_vm_create(const char *name, sg_host_t phys_host){
318 return simcall_BODY_vm_create(name, phys_host);
322 * \ingroup simix_vm_management
323 * \brief Start the given VM to the given physical host
327 void simcall_vm_start(sg_host_t vm)
329 simcall_BODY_vm_start(vm);
333 * \ingroup simix_vm_management
334 * \brief Get the state of the given VM
337 * \return The state of the VM
339 int simcall_vm_get_state(sg_host_t vm)
341 return simcall_BODY_vm_get_state(vm);
345 * \ingroup simix_vm_management
346 * \brief Get the name of the physical host on which the given VM runs.
349 * \return The name of the physical host
351 void *simcall_vm_get_pm(sg_host_t vm)
353 return simcall_BODY_vm_get_pm(vm);
356 void simcall_vm_set_bound(sg_host_t vm, double bound)
358 simcall_BODY_vm_set_bound(vm, bound);
361 void simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask)
363 simcall_BODY_vm_set_affinity(vm, pm, mask);
366 void simcall_host_get_params(sg_host_t vm, vm_params_t params)
368 simcall_BODY_host_get_params(vm, params);
371 void simcall_host_set_params(sg_host_t vm, vm_params_t params)
373 simcall_BODY_host_set_params(vm, params);
377 * \ingroup simix_vm_management
378 * \brief Migrate the given VM to the given physical host
381 * \param host Destination physical host
383 void simcall_vm_migrate(sg_host_t vm, sg_host_t host)
385 simcall_BODY_vm_migrate(vm, host);
389 * \ingroup simix_vm_management
390 * \brief Suspend the given VM
394 void simcall_vm_suspend(sg_host_t vm)
396 simcall_BODY_vm_suspend(vm);
400 * \ingroup simix_vm_management
401 * \brief Resume the given VM
405 void simcall_vm_resume(sg_host_t vm)
407 simcall_BODY_vm_resume(vm);
411 * \ingroup simix_vm_management
412 * \brief Save the given VM
416 void simcall_vm_save(sg_host_t vm)
418 simcall_BODY_vm_save(vm);
422 * \ingroup simix_vm_management
423 * \brief Restore the given VM
427 void simcall_vm_restore(sg_host_t vm)
429 simcall_BODY_vm_restore(vm);
433 * \ingroup simix_vm_management
434 * \brief Shutdown the given VM
438 void simcall_vm_shutdown(sg_host_t vm)
440 simcall_BODY_vm_shutdown(vm);
444 * \ingroup simix_vm_management
445 * \brief Destroy the given VM
449 void simcall_vm_destroy(sg_host_t vm)
451 simcall_BODY_vm_destroy(vm);
455 * \ingroup simix_vm_management
456 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
457 * The simcall actually invokes the following calls:
458 * simcall_vm_set_affinity(vm, src_pm, 0);
459 * simcall_vm_migrate(vm, dst_pm);
460 * simcall_vm_resume(vm);
462 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
464 * \param vm VM to migrate
465 * \param src_pm Source physical host
466 * \param dst_pmt Destination physical host
468 void simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
470 simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
474 * \ingroup simix_process_management
475 * \brief Creates and runs a new SIMIX process.
477 * The structure and the corresponding thread are created and put in the list of ready processes.
479 * \param name a name for the process. It is for user-level information and can be NULL.
480 * \param code the main function of the process
481 * \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.
482 * It can be retrieved with the function \ref simcall_process_get_data.
483 * \param hostname name of the host where the new agent is executed.
484 * \param kill_time time when the process is killed
485 * \param argc first argument passed to \a code
486 * \param argv second argument passed to \a code
487 * \param properties the properties of the process
488 * \param auto_restart either it is autorestarting or not.
490 smx_process_t simcall_process_create(const char *name,
491 xbt_main_func_t code,
493 const char *hostname,
495 int argc, char **argv,
496 xbt_dict_t properties,
499 return (smx_process_t) simcall_BODY_process_create(name, code, data, hostname,
500 kill_time, argc, argv, properties,
505 * \ingroup simix_process_management
506 * \brief Kills a SIMIX process.
508 * This function simply kills a process.
510 * \param process poor victim
512 void simcall_process_kill(smx_process_t process)
514 simcall_BODY_process_kill(process);
518 * \ingroup simix_process_management
519 * \brief Kills all SIMIX processes.
521 void simcall_process_killall(int reset_pid)
523 simcall_BODY_process_killall(reset_pid);
527 * \ingroup simix_process_management
528 * \brief Cleans up a SIMIX process.
529 * \param process poor victim (must have already been killed)
531 void simcall_process_cleanup(smx_process_t process)
533 simcall_BODY_process_cleanup(process);
537 * \ingroup simix_process_management
538 * \brief Migrates an agent to another location.
540 * This function changes the value of the host on which \a process is running.
542 * \param process the process to migrate
543 * \param dest name of the new host
545 void simcall_process_set_host(smx_process_t process, sg_host_t dest)
547 simcall_BODY_process_set_host(process, dest);
550 void simcall_process_join(smx_process_t process, double timeout)
552 simcall_BODY_process_join(process, timeout);
556 * \ingroup simix_process_management
557 * \brief Suspends a process.
559 * This function suspends the process by suspending the synchro
560 * it was waiting for completion.
562 * \param process a SIMIX process
564 void simcall_process_suspend(smx_process_t process)
566 xbt_assert(process, "Invalid parameters");
568 simcall_BODY_process_suspend(process);
572 * \ingroup simix_process_management
573 * \brief Resumes a suspended process.
575 * This function resumes a suspended process by resuming the synchro
576 * it was waiting for completion.
578 * \param process a SIMIX process
580 void simcall_process_resume(smx_process_t process)
582 simcall_BODY_process_resume(process);
586 * \ingroup simix_process_management
587 * \brief Returns the amount of SIMIX processes in the system
589 * Maestro internal process is not counted, only user code processes are
591 int simcall_process_count(void)
593 return simcall_BODY_process_count();
597 * \ingroup simix_process_management
598 * \brief Return the PID of a #smx_process_t.
599 * \param process a SIMIX process
600 * \return the PID of this process
602 int simcall_process_get_PID(smx_process_t process)
604 if (process == SIMIX_process_self()) {
605 /* avoid a simcall if this function is called by the process itself */
606 return SIMIX_process_get_PID(process);
609 return simcall_BODY_process_get_PID(process);
613 * \ingroup simix_process_management
614 * \brief Return the parent PID of a #smx_process_t.
615 * \param process a SIMIX process
616 * \return the PID of this process parenrt
618 int simcall_process_get_PPID(smx_process_t process)
620 if (process == SIMIX_process_self()) {
621 /* avoid a simcall if this function is called by the process itself */
622 return SIMIX_process_get_PPID(process);
625 return simcall_BODY_process_get_PPID(process);
629 * \ingroup simix_process_management
630 * \brief Return the user data of a #smx_process_t.
631 * \param process a SIMIX process
632 * \return the user data of this process
634 void* simcall_process_get_data(smx_process_t process)
636 if (process == SIMIX_process_self()) {
637 /* avoid a simcall if this function is called by the process itself */
638 return SIMIX_process_get_data(process);
641 return simcall_BODY_process_get_data(process);
645 * \ingroup simix_process_management
646 * \brief Set the user data of a #smx_process_t.
648 * This functions sets the user data associated to \a process.
649 * \param process SIMIX process
650 * \param data User data
652 void simcall_process_set_data(smx_process_t process, void *data)
654 if (process == SIMIX_process_self()) {
655 /* avoid a simcall if this function is called by the process itself */
656 SIMIX_process_self_set_data(process, data);
659 simcall_BODY_process_set_data(process, data);
663 static void kill_process(void* arg)
665 simix_global->kill_process_function((smx_process_t) arg);
669 * \ingroup simix_process_management
670 * \brief Set the kill time of a process.
672 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
675 if (kill_time > SIMIX_get_clock()) {
676 if (simix_global->kill_process_function) {
677 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
678 sg_host_get_name(process->host));
679 process->kill_timer = SIMIX_timer_set(kill_time, kill_process, process);
684 * \ingroup simix_process_management
685 * \brief Get the kill time of a process (or 0 if unset).
687 double simcall_process_get_kill_time(smx_process_t process) {
688 return SIMIX_timer_get_date(process->kill_timer);
692 * \ingroup simix_process_management
693 * \brief Return the location on which an agent is running.
695 * This functions returns the sg_host_t corresponding to the location on which
696 * \a process is running.
697 * \param process SIMIX process
700 sg_host_t simcall_process_get_host(smx_process_t process)
702 return simcall_BODY_process_get_host(process);
706 * \ingroup simix_process_management
707 * \brief Return the name of an agent.
709 * This functions checks whether \a process is a valid pointer or not and return its name.
710 * \param process SIMIX process
711 * \return The process name
713 const char* simcall_process_get_name(smx_process_t process)
715 if (process == SIMIX_process_self()) {
716 /* avoid a simcall if this function is called by the process itself */
717 return process->name;
719 return simcall_BODY_process_get_name(process);
723 * \ingroup simix_process_management
724 * \brief Returns true if the process is suspended .
726 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
727 * \param process SIMIX process
728 * \return 1, if the process is suspended, else 0.
730 int simcall_process_is_suspended(smx_process_t process)
732 return simcall_BODY_process_is_suspended(process);
736 * \ingroup simix_process_management
737 * \brief Return the properties
739 * This functions returns the properties associated with this process
741 xbt_dict_t simcall_process_get_properties(smx_process_t process)
743 return simcall_BODY_process_get_properties(process);
746 * \ingroup simix_process_management
747 * \brief Add an on_exit function
748 * Add an on_exit function which will be executed when the process exits/is killed.
750 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
752 simcall_BODY_process_on_exit(process, fun, data);
755 * \ingroup simix_process_management
756 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
757 * Will restart the process when the host comes back up if auto_restart is set to 1.
760 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
762 simcall_BODY_process_auto_restart_set(process, auto_restart);
766 * \ingroup simix_process_management
767 * \brief Restarts the process, killing it and starting it again from scratch.
769 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
771 return (smx_process_t) simcall_BODY_process_restart(process);
774 * \ingroup simix_process_management
775 * \brief Creates a new sleep SIMIX synchro.
777 * This function creates a SURF action and allocates the data necessary
778 * to create the SIMIX synchro. It can raise a host_error exception if the
779 * host crashed. The default SIMIX name of the synchro is "sleep".
781 * \param duration Time duration of the sleep.
782 * \return A result telling whether the sleep was successful
784 e_smx_state_t simcall_process_sleep(double duration)
786 /* checking for infinite values */
787 xbt_assert(isfinite(duration), "duration is not finite!");
788 return (e_smx_state_t) simcall_BODY_process_sleep(duration);
792 * \ingroup simix_rdv_management
793 * \brief Creates a new rendez-vous point
794 * \param name The name of the rendez-vous point
795 * \return The created rendez-vous point
797 smx_rdv_t simcall_rdv_create(const char *name)
799 return simcall_BODY_rdv_create(name);
804 * \ingroup simix_rdv_management
805 * \brief Destroy a rendez-vous point
806 * \param rdv The rendez-vous point to destroy
808 void simcall_rdv_destroy(smx_rdv_t rdv)
810 simcall_BODY_rdv_destroy(rdv);
813 * \ingroup simix_rdv_management
814 * \brief Returns a rendez-vous point knowing its name
816 smx_rdv_t simcall_rdv_get_by_name(const char *name)
818 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
820 /* FIXME: this is a horrible loss of performance, so we hack it out by
821 * skipping the simcall (for now). It works in parallel, it won't work on
822 * distributed but probably we will change MSG for that. */
824 return SIMIX_rdv_get_by_name(name);
828 * \ingroup simix_rdv_management
829 * \brief Counts the number of communication synchros of a given host pending
830 * on a rendez-vous point.
831 * \param rdv The rendez-vous point
832 * \param host The host to be counted
833 * \return The number of comm synchros pending in the rdv
835 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, sg_host_t host)
837 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
841 * \ingroup simix_rdv_management
842 * \brief returns the communication at the head of the rendez-vous
843 * \param rdv The rendez-vous point
844 * \return The communication or NULL if empty
846 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
848 return simcall_BODY_rdv_get_head(rdv);
851 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
853 simcall_BODY_rdv_set_receiver(rdv, process);
856 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
858 return simcall_BODY_rdv_get_receiver(rdv);
862 * \ingroup simix_comm_management
864 void simcall_comm_send(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
865 void *src_buff, size_t src_buff_size,
866 int (*match_fun)(void *, void *, smx_synchro_t),
867 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
870 /* checking for infinite values */
871 xbt_assert(isfinite(task_size), "task_size is not finite!");
872 xbt_assert(isfinite(rate), "rate is not finite!");
873 xbt_assert(isfinite(timeout), "timeout is not finite!");
875 xbt_assert(rdv, "No rendez-vous point defined for send");
877 if (MC_is_active() || MC_record_replay_is_active()) {
878 /* the model-checker wants two separate simcalls */
879 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
880 comm = simcall_comm_isend(sender, rdv, task_size, rate,
881 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
882 simcall_comm_wait(comm, timeout);
886 simcall_BODY_comm_send(sender, rdv, task_size, rate, src_buff, src_buff_size,
887 match_fun, copy_data_fun, data, timeout);
892 * \ingroup simix_comm_management
894 smx_synchro_t simcall_comm_isend(smx_process_t sender, 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_synchro_t),
897 void (*clean_fun)(void *),
898 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
902 /* checking for infinite values */
903 xbt_assert(isfinite(task_size), "task_size is not finite!");
904 xbt_assert(isfinite(rate), "rate is not finite!");
906 xbt_assert(rdv, "No rendez-vous point defined for isend");
908 return simcall_BODY_comm_isend(sender, rdv, task_size, rate, src_buff,
909 src_buff_size, match_fun,
910 clean_fun, copy_data_fun, data, detached);
914 * \ingroup simix_comm_management
916 void simcall_comm_recv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
917 int (*match_fun)(void *, void *, smx_synchro_t),
918 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
919 void *data, double timeout, double rate)
921 xbt_assert(isfinite(timeout), "timeout is not finite!");
922 xbt_assert(rdv, "No rendez-vous point defined for recv");
924 if (MC_is_active() || MC_record_replay_is_active()) {
925 /* the model-checker wants two separate simcalls */
926 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
927 comm = simcall_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
928 match_fun, copy_data_fun, data, rate);
929 simcall_comm_wait(comm, timeout);
933 simcall_BODY_comm_recv(receiver, rdv, dst_buff, dst_buff_size,
934 match_fun, copy_data_fun, data, timeout, rate);
938 * \ingroup simix_comm_management
940 smx_synchro_t simcall_comm_irecv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
941 int (*match_fun)(void *, void *, smx_synchro_t),
942 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
943 void *data, double rate)
945 xbt_assert(rdv, "No rendez-vous point defined for irecv");
947 return simcall_BODY_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
948 match_fun, copy_data_fun, data, rate);
952 * \ingroup simix_comm_management
954 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
955 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
957 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
959 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
963 * \ingroup simix_comm_management
965 void simcall_comm_cancel(smx_synchro_t comm)
967 simcall_BODY_comm_cancel(comm);
971 * \ingroup simix_comm_management
973 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
975 return simcall_BODY_comm_waitany(comms);
979 * \ingroup simix_comm_management
981 int simcall_comm_testany(xbt_dynar_t comms)
983 if (xbt_dynar_is_empty(comms))
985 return simcall_BODY_comm_testany(comms);
989 * \ingroup simix_comm_management
991 void simcall_comm_wait(smx_synchro_t comm, double timeout)
993 xbt_assert(isfinite(timeout), "timeout is not finite!");
994 simcall_BODY_comm_wait(comm, timeout);
998 * \brief Set the category of an synchro.
1000 * This functions changes the category only. It calls a surf function.
1001 * \param execution The execution synchro
1002 * \param category The tracing category
1004 void simcall_set_category(smx_synchro_t synchro, const char *category)
1006 if (category == NULL) {
1009 simcall_BODY_set_category(synchro, category);
1013 * \ingroup simix_comm_management
1016 int simcall_comm_test(smx_synchro_t comm)
1018 return simcall_BODY_comm_test(comm);
1022 * \ingroup simix_comm_management
1025 double simcall_comm_get_remains(smx_synchro_t comm)
1027 return simcall_BODY_comm_get_remains(comm);
1031 * \ingroup simix_comm_management
1034 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1036 return simcall_BODY_comm_get_state(comm);
1040 * \ingroup simix_comm_management
1043 void *simcall_comm_get_src_data(smx_synchro_t comm)
1045 return simcall_BODY_comm_get_src_data(comm);
1049 * \ingroup simix_comm_management
1052 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1054 return simcall_BODY_comm_get_dst_data(comm);
1058 * \ingroup simix_comm_management
1061 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1063 return simcall_BODY_comm_get_src_proc(comm);
1067 * \ingroup simix_comm_management
1070 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1072 return simcall_BODY_comm_get_dst_proc(comm);
1075 #ifdef HAVE_LATENCY_BOUND_TRACKING
1076 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1078 return simcall_BODY_comm_is_latency_bounded(comm);
1083 * \ingroup simix_synchro_management
1086 smx_mutex_t simcall_mutex_init(void)
1089 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
1092 return simcall_BODY_mutex_init();
1096 * \ingroup simix_synchro_management
1099 void simcall_mutex_destroy(smx_mutex_t mutex)
1101 simcall_BODY_mutex_destroy(mutex);
1105 * \ingroup simix_synchro_management
1108 void simcall_mutex_lock(smx_mutex_t mutex)
1110 simcall_BODY_mutex_lock(mutex);
1114 * \ingroup simix_synchro_management
1117 int simcall_mutex_trylock(smx_mutex_t mutex)
1119 return simcall_BODY_mutex_trylock(mutex);
1123 * \ingroup simix_synchro_management
1126 void simcall_mutex_unlock(smx_mutex_t mutex)
1128 simcall_BODY_mutex_unlock(mutex);
1132 * \ingroup simix_synchro_management
1135 smx_cond_t simcall_cond_init(void)
1137 return simcall_BODY_cond_init();
1141 * \ingroup simix_synchro_management
1144 void simcall_cond_destroy(smx_cond_t cond)
1146 simcall_BODY_cond_destroy(cond);
1150 * \ingroup simix_synchro_management
1153 void simcall_cond_signal(smx_cond_t cond)
1155 simcall_BODY_cond_signal(cond);
1159 * \ingroup simix_synchro_management
1162 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1164 simcall_BODY_cond_wait(cond, mutex);
1168 * \ingroup simix_synchro_management
1171 void simcall_cond_wait_timeout(smx_cond_t cond,
1175 xbt_assert(isfinite(timeout), "timeout is not finite!");
1176 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1180 * \ingroup simix_synchro_management
1183 void simcall_cond_broadcast(smx_cond_t cond)
1185 simcall_BODY_cond_broadcast(cond);
1189 * \ingroup simix_synchro_management
1192 smx_sem_t simcall_sem_init(int capacity)
1194 return simcall_BODY_sem_init(capacity);
1198 * \ingroup simix_synchro_management
1201 void simcall_sem_destroy(smx_sem_t sem)
1203 simcall_BODY_sem_destroy(sem);
1207 * \ingroup simix_synchro_management
1210 void simcall_sem_release(smx_sem_t sem)
1212 simcall_BODY_sem_release(sem);
1216 * \ingroup simix_synchro_management
1219 int simcall_sem_would_block(smx_sem_t sem)
1221 return simcall_BODY_sem_would_block(sem);
1225 * \ingroup simix_synchro_management
1228 void simcall_sem_acquire(smx_sem_t sem)
1230 simcall_BODY_sem_acquire(sem);
1234 * \ingroup simix_synchro_management
1237 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1239 xbt_assert(isfinite(timeout), "timeout is not finite!");
1240 simcall_BODY_sem_acquire_timeout(sem, timeout);
1244 * \ingroup simix_synchro_management
1247 int simcall_sem_get_capacity(smx_sem_t sem)
1249 return simcall_BODY_sem_get_capacity(sem);
1253 * \ingroup simix_file_management
1256 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
1258 return simcall_BODY_file_read(fd, size, host);
1262 * \ingroup simix_file_management
1265 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
1267 return simcall_BODY_file_write(fd, size, host);
1271 * \ingroup simix_file_management
1274 smx_file_t simcall_file_open(const char* fullpath, sg_host_t host)
1276 return simcall_BODY_file_open(fullpath, host);
1280 * \ingroup simix_file_management
1283 int simcall_file_close(smx_file_t fd, sg_host_t host)
1285 return simcall_BODY_file_close(fd, host);
1289 * \ingroup simix_file_management
1292 int simcall_file_unlink(smx_file_t fd, sg_host_t host)
1294 return simcall_BODY_file_unlink(fd, host);
1298 * \ingroup simix_file_management
1301 sg_size_t simcall_file_get_size(smx_file_t fd){
1302 return simcall_BODY_file_get_size(fd);
1306 * \ingroup simix_file_management
1309 sg_size_t simcall_file_tell(smx_file_t fd){
1310 return simcall_BODY_file_tell(fd);
1314 * \ingroup simix_file_management
1317 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1319 return simcall_BODY_file_get_info(fd);
1323 * \ingroup simix_file_management
1326 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1327 return simcall_BODY_file_seek(fd, offset, origin);
1331 * \ingroup simix_file_management
1332 * \brief Move a file to another location on the *same mount point*.
1335 int simcall_file_move(smx_file_t fd, const char* fullpath)
1337 return simcall_BODY_file_move(fd, fullpath);
1341 * \ingroup simix_storage_management
1342 * \brief Returns the free space size on a given storage element.
1343 * \param storage a storage
1344 * \return Return the free space size on a given storage element (as sg_size_t)
1346 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1347 return simcall_BODY_storage_get_free_size(storage);
1351 * \ingroup simix_storage_management
1352 * \brief Returns the used space size on a given storage element.
1353 * \param storage a storage
1354 * \return Return the used space size on a given storage element (as sg_size_t)
1356 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1357 return simcall_BODY_storage_get_used_size(storage);
1361 * \ingroup simix_storage_management
1362 * \brief Returns the list of storages mounted on an host.
1363 * \param host A SIMIX host
1364 * \return a dict containing all storages mounted on the host
1366 xbt_dict_t simcall_host_get_mounted_storage_list(sg_host_t host)
1368 return simcall_BODY_host_get_mounted_storage_list(host);
1372 * \ingroup simix_storage_management
1373 * \brief Returns the list of storages attached to an host.
1374 * \param host A SIMIX host
1375 * \return a dict containing all storages attached to the host
1377 xbt_dynar_t simcall_host_get_attached_storage_list(sg_host_t host)
1379 return simcall_BODY_host_get_attached_storage_list(host);
1383 * \ingroup simix_storage_management
1384 * \brief Returns a dict of the properties assigned to a storage element.
1386 * \param storage A storage element
1387 * \return The properties of this storage element
1389 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1391 return simcall_BODY_storage_get_properties(storage);
1395 * \ingroup simix_storage_management
1396 * \brief Returns a dict containing the content of a storage element.
1398 * \param storage A storage element
1399 * \return The content of this storage element as a dict (full path file => size)
1401 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1403 return simcall_BODY_storage_get_content(storage);
1406 void simcall_run_kernel(std::function<void()> const& code)
1408 return simcall_BODY_run_kernel((void*) &code);
1413 void *simcall_mc_snapshot(void) {
1414 return simcall_BODY_mc_snapshot();
1417 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1418 return simcall_BODY_mc_compare_snapshots((simgrid::mc::Snapshot*)s1, (simgrid::mc::Snapshot*)s2);
1421 #endif /* HAVE_MC */
1423 int simcall_mc_random(int min, int max) {
1424 return simcall_BODY_mc_random(min, max);
1427 /* ************************************************************************** */
1429 /** @brief returns a printable string representing a simcall */
1430 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1431 return simcall_names[kind];