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 Gets the pstate at which that host currently runs.
135 * \param host A SIMIX host
137 int simcall_host_get_pstate(sg_host_t host)
139 return simcall_BODY_host_get_pstate(host);
143 * \ingroup simix_host_management
144 * \brief Returns the total energy consumed by the host (in Joules)
146 * \param host A SIMIX host
147 * \return the energy consumed by the host (double)
149 double simcall_host_get_consumed_energy(sg_host_t host)
151 return simcall_BODY_host_get_consumed_energy(host);
153 /** \ingroup simix_host_management
154 * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
156 double simcall_host_get_wattmin_at(msg_host_t host, int pstate){
157 return simcall_BODY_host_get_wattmin_at(host, pstate);
159 /** \ingroup simix_host_management
160 * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
162 double simcall_host_get_wattmax_at(msg_host_t host, int pstate){
163 return simcall_BODY_host_get_wattmax_at(host, pstate);
169 * \ingroup simix_process_management
170 * \brief Creates a synchro that executes some computation of an host.
172 * This function creates a SURF action and allocates the data necessary
173 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
175 * \param name Name of the execution synchro to create
176 * \param flops_amount amount Computation amount (in flops)
177 * \param priority computation priority
179 * \param affinity_mask
180 * \return A new SIMIX execution synchronization
182 smx_synchro_t simcall_process_execute(const char *name,
184 double priority, double bound, unsigned long affinity_mask)
186 /* checking for infinite values */
187 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
188 xbt_assert(isfinite(priority), "priority is not finite!");
190 return simcall_BODY_process_execute(name, flops_amount, priority, bound, affinity_mask);
194 * \ingroup simix_process_management
195 * \brief Creates a synchro that may involve parallel computation on
196 * several hosts and communication between them.
198 * \param name Name of the execution synchro to create
199 * \param host_nb Number of hosts where the synchro will be executed
200 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
201 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
202 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
203 * amount between each pair of hosts
204 * \param amount the SURF action amount
205 * \param rate the SURF action rate
206 * \return A new SIMIX execution synchronization
208 smx_synchro_t simcall_process_parallel_execute(const char *name,
210 sg_host_t *host_list,
211 double *flops_amount,
212 double *bytes_amount,
217 /* checking for infinite values */
218 for (i = 0 ; i < host_nb ; ++i) {
219 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
220 for (j = 0 ; j < host_nb ; ++j) {
221 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
222 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
226 xbt_assert(isfinite(amount), "amount is not finite!");
227 xbt_assert(isfinite(rate), "rate is not finite!");
229 return simcall_BODY_process_parallel_execute(name, host_nb, host_list,
237 * \ingroup simix_process_management
238 * \brief Destroys an execution synchro.
240 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
241 * \param execution The execution synchro to destroy
243 void simcall_process_execution_destroy(smx_synchro_t execution)
245 simcall_BODY_process_execution_destroy(execution);
249 * \ingroup simix_process_management
250 * \brief Cancels an execution synchro.
252 * This functions stops the execution. It calls a surf function.
253 * \param execution The execution synchro to cancel
255 void simcall_process_execution_cancel(smx_synchro_t execution)
257 simcall_BODY_process_execution_cancel(execution);
261 * \ingroup simix_process_management
262 * \brief Returns how much of an execution synchro remains to be done.
264 * \param execution The execution synchro
265 * \return The remaining amount
267 double simcall_process_execution_get_remains(smx_synchro_t execution)
269 return simcall_BODY_process_execution_get_remains(execution);
273 * \ingroup simix_process_management
274 * \brief Returns the state of an execution synchro.
276 * \param execution The execution synchro
279 e_smx_state_t simcall_process_execution_get_state(smx_synchro_t execution)
281 return simcall_BODY_process_execution_get_state(execution);
285 * \ingroup simix_process_management
286 * \brief Changes the priority of an execution synchro.
288 * This functions changes the priority only. It calls a surf function.
289 * \param execution The execution synchro
290 * \param priority The new priority
292 void simcall_process_execution_set_priority(smx_synchro_t execution, double priority)
294 /* checking for infinite values */
295 xbt_assert(isfinite(priority), "priority is not finite!");
297 simcall_BODY_process_execution_set_priority(execution, priority);
301 * \ingroup simix_process_management
302 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
304 * This functions changes the capping only. It calls a surf function.
305 * \param execution The execution synchro
306 * \param bound The new bound
308 void simcall_process_execution_set_bound(smx_synchro_t execution, double bound)
310 simcall_BODY_process_execution_set_bound(execution, bound);
314 * \ingroup simix_process_management
315 * \brief Changes the CPU affinity of an execution synchro.
317 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
318 * \param execution The execution synchro
320 * \param mask Affinity mask
322 void simcall_process_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask)
324 simcall_BODY_process_execution_set_affinity(execution, host, mask);
328 * \ingroup simix_host_management
329 * \brief Waits for the completion of an execution synchro and destroy it.
331 * \param execution The execution synchro
333 e_smx_state_t simcall_process_execution_wait(smx_synchro_t execution)
335 return simcall_BODY_process_execution_wait(execution);
340 * \ingroup simix_vm_management
341 * \brief Create a VM on the given physical host.
343 * \param name VM name
344 * \param host Physical host
346 * \return The host object of the VM
348 void* simcall_vm_create(const char *name, sg_host_t phys_host){
349 return simcall_BODY_vm_create(name, phys_host);
353 * \ingroup simix_vm_management
354 * \brief Start the given VM to the given physical host
358 void simcall_vm_start(sg_host_t vm)
360 simcall_BODY_vm_start(vm);
364 * \ingroup simix_vm_management
365 * \brief Get the state of the given VM
368 * \return The state of the VM
370 int simcall_vm_get_state(sg_host_t vm)
372 return simcall_BODY_vm_get_state(vm);
376 * \ingroup simix_vm_management
377 * \brief Get the name of the physical host on which the given VM runs.
380 * \return The name of the physical host
382 void *simcall_vm_get_pm(sg_host_t vm)
384 return simcall_BODY_vm_get_pm(vm);
387 void simcall_vm_set_bound(sg_host_t vm, double bound)
389 simcall_BODY_vm_set_bound(vm, bound);
392 void simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask)
394 simcall_BODY_vm_set_affinity(vm, pm, mask);
397 void simcall_host_get_params(sg_host_t vm, vm_params_t params)
399 simcall_BODY_host_get_params(vm, params);
402 void simcall_host_set_params(sg_host_t vm, vm_params_t params)
404 simcall_BODY_host_set_params(vm, params);
408 * \ingroup simix_vm_management
409 * \brief Migrate the given VM to the given physical host
412 * \param host Destination physical host
414 void simcall_vm_migrate(sg_host_t vm, sg_host_t host)
416 simcall_BODY_vm_migrate(vm, host);
420 * \ingroup simix_vm_management
421 * \brief Suspend the given VM
425 void simcall_vm_suspend(sg_host_t vm)
427 simcall_BODY_vm_suspend(vm);
431 * \ingroup simix_vm_management
432 * \brief Resume the given VM
436 void simcall_vm_resume(sg_host_t vm)
438 simcall_BODY_vm_resume(vm);
442 * \ingroup simix_vm_management
443 * \brief Save the given VM
447 void simcall_vm_save(sg_host_t vm)
449 simcall_BODY_vm_save(vm);
453 * \ingroup simix_vm_management
454 * \brief Restore the given VM
458 void simcall_vm_restore(sg_host_t vm)
460 simcall_BODY_vm_restore(vm);
464 * \ingroup simix_vm_management
465 * \brief Shutdown the given VM
469 void simcall_vm_shutdown(sg_host_t vm)
471 simcall_BODY_vm_shutdown(vm);
475 * \ingroup simix_vm_management
476 * \brief Destroy the given VM
480 void simcall_vm_destroy(sg_host_t vm)
482 simcall_BODY_vm_destroy(vm);
486 * \ingroup simix_vm_management
487 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
488 * The simcall actually invokes the following calls:
489 * simcall_vm_set_affinity(vm, src_pm, 0);
490 * simcall_vm_migrate(vm, dst_pm);
491 * simcall_vm_resume(vm);
493 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
495 * \param vm VM to migrate
496 * \param src_pm Source physical host
497 * \param dst_pmt Destination physical host
499 void simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
501 simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
505 * \ingroup simix_process_management
506 * \brief Creates and runs a new SIMIX process.
508 * The structure and the corresponding thread are created and put in the list of ready processes.
510 * \param name a name for the process. It is for user-level information and can be NULL.
511 * \param code the main function of the process
512 * \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.
513 * It can be retrieved with the function \ref simcall_process_get_data.
514 * \param hostname name of the host where the new agent is executed.
515 * \param kill_time time when the process is killed
516 * \param argc first argument passed to \a code
517 * \param argv second argument passed to \a code
518 * \param properties the properties of the process
519 * \param auto_restart either it is autorestarting or not.
521 smx_process_t simcall_process_create(const char *name,
522 xbt_main_func_t code,
524 const char *hostname,
526 int argc, char **argv,
527 xbt_dict_t properties,
530 return (smx_process_t) simcall_BODY_process_create(name, code, data, hostname,
531 kill_time, argc, argv, properties,
536 * \ingroup simix_process_management
537 * \brief Kills a SIMIX process.
539 * This function simply kills a process.
541 * \param process poor victim
543 void simcall_process_kill(smx_process_t process)
545 simcall_BODY_process_kill(process);
549 * \ingroup simix_process_management
550 * \brief Kills all SIMIX processes.
552 void simcall_process_killall(int reset_pid)
554 simcall_BODY_process_killall(reset_pid);
558 * \ingroup simix_process_management
559 * \brief Cleans up a SIMIX process.
560 * \param process poor victim (must have already been killed)
562 void simcall_process_cleanup(smx_process_t process)
564 simcall_BODY_process_cleanup(process);
568 * \ingroup simix_process_management
569 * \brief Migrates an agent to another location.
571 * This function changes the value of the host on which \a process is running.
573 * \param process the process to migrate
574 * \param dest name of the new host
576 void simcall_process_set_host(smx_process_t process, sg_host_t dest)
578 simcall_BODY_process_set_host(process, dest);
581 void simcall_process_join(smx_process_t process, double timeout)
583 simcall_BODY_process_join(process, timeout);
587 * \ingroup simix_process_management
588 * \brief Suspends a process.
590 * This function suspends the process by suspending the synchro
591 * it was waiting for completion.
593 * \param process a SIMIX process
595 void simcall_process_suspend(smx_process_t process)
597 xbt_assert(process, "Invalid parameters");
599 simcall_BODY_process_suspend(process);
603 * \ingroup simix_process_management
604 * \brief Resumes a suspended process.
606 * This function resumes a suspended process by resuming the synchro
607 * it was waiting for completion.
609 * \param process a SIMIX process
611 void simcall_process_resume(smx_process_t process)
613 simcall_BODY_process_resume(process);
617 * \ingroup simix_process_management
618 * \brief Returns the amount of SIMIX processes in the system
620 * Maestro internal process is not counted, only user code processes are
622 int simcall_process_count(void)
624 return simcall_BODY_process_count();
628 * \ingroup simix_process_management
629 * \brief Return the PID of a #smx_process_t.
630 * \param process a SIMIX process
631 * \return the PID of this process
633 int simcall_process_get_PID(smx_process_t process)
635 if (process == SIMIX_process_self()) {
636 /* avoid a simcall if this function is called by the process itself */
637 return SIMIX_process_get_PID(process);
640 return simcall_BODY_process_get_PID(process);
644 * \ingroup simix_process_management
645 * \brief Return the parent PID of a #smx_process_t.
646 * \param process a SIMIX process
647 * \return the PID of this process parenrt
649 int simcall_process_get_PPID(smx_process_t process)
651 if (process == SIMIX_process_self()) {
652 /* avoid a simcall if this function is called by the process itself */
653 return SIMIX_process_get_PPID(process);
656 return simcall_BODY_process_get_PPID(process);
660 * \ingroup simix_process_management
661 * \brief Return the user data of a #smx_process_t.
662 * \param process a SIMIX process
663 * \return the user data of this process
665 void* simcall_process_get_data(smx_process_t process)
667 if (process == SIMIX_process_self()) {
668 /* avoid a simcall if this function is called by the process itself */
669 return SIMIX_process_get_data(process);
672 return simcall_BODY_process_get_data(process);
676 * \ingroup simix_process_management
677 * \brief Set the user data of a #smx_process_t.
679 * This functions sets the user data associated to \a process.
680 * \param process SIMIX process
681 * \param data User data
683 void simcall_process_set_data(smx_process_t process, void *data)
685 if (process == SIMIX_process_self()) {
686 /* avoid a simcall if this function is called by the process itself */
687 SIMIX_process_self_set_data(process, data);
690 simcall_BODY_process_set_data(process, data);
695 * \ingroup simix_process_management
696 * \brief Set the kill time of a process.
698 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
701 if (kill_time > SIMIX_get_clock()) {
702 if (simix_global->kill_process_function) {
703 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
704 sg_host_name(process->host));
705 process->kill_timer = SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
710 * \ingroup simix_process_management
711 * \brief Get the kill time of a process (or 0 if unset).
713 double simcall_process_get_kill_time(smx_process_t process) {
714 return SIMIX_timer_get_date(process->kill_timer);
718 * \ingroup simix_process_management
719 * \brief Return the location on which an agent is running.
721 * This functions returns the sg_host_t corresponding to the location on which
722 * \a process is running.
723 * \param process SIMIX process
726 sg_host_t simcall_process_get_host(smx_process_t process)
728 return simcall_BODY_process_get_host(process);
732 * \ingroup simix_process_management
733 * \brief Return the name of an agent.
735 * This functions checks whether \a process is a valid pointer or not and return its name.
736 * \param process SIMIX process
737 * \return The process name
739 const char* simcall_process_get_name(smx_process_t process)
741 if (process == SIMIX_process_self()) {
742 /* avoid a simcall if this function is called by the process itself */
743 return process->name;
745 return simcall_BODY_process_get_name(process);
749 * \ingroup simix_process_management
750 * \brief Returns true if the process is suspended .
752 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
753 * \param process SIMIX process
754 * \return 1, if the process is suspended, else 0.
756 int simcall_process_is_suspended(smx_process_t process)
758 return simcall_BODY_process_is_suspended(process);
762 * \ingroup simix_process_management
763 * \brief Return the properties
765 * This functions returns the properties associated with this process
767 xbt_dict_t simcall_process_get_properties(smx_process_t process)
769 return simcall_BODY_process_get_properties(process);
772 * \ingroup simix_process_management
773 * \brief Add an on_exit function
774 * Add an on_exit function which will be executed when the process exits/is killed.
776 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
778 simcall_BODY_process_on_exit(process, fun, data);
781 * \ingroup simix_process_management
782 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
783 * Will restart the process when the host comes back up if auto_restart is set to 1.
786 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
788 simcall_BODY_process_auto_restart_set(process, auto_restart);
792 * \ingroup simix_process_management
793 * \brief Restarts the process, killing it and starting it again from scratch.
795 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
797 return simcall_BODY_process_restart(process);
800 * \ingroup simix_process_management
801 * \brief Creates a new sleep SIMIX synchro.
803 * This function creates a SURF action and allocates the data necessary
804 * to create the SIMIX synchro. It can raise a host_error exception if the
805 * host crashed. The default SIMIX name of the synchro is "sleep".
807 * \param duration Time duration of the sleep.
808 * \return A result telling whether the sleep was successful
810 e_smx_state_t simcall_process_sleep(double duration)
812 /* checking for infinite values */
813 xbt_assert(isfinite(duration), "duration is not finite!");
814 return simcall_BODY_process_sleep(duration);
818 * \ingroup simix_rdv_management
819 * \brief Creates a new rendez-vous point
820 * \param name The name of the rendez-vous point
821 * \return The created rendez-vous point
823 smx_rdv_t simcall_rdv_create(const char *name)
825 return simcall_BODY_rdv_create(name);
830 * \ingroup simix_rdv_management
831 * \brief Destroy a rendez-vous point
832 * \param rdv The rendez-vous point to destroy
834 void simcall_rdv_destroy(smx_rdv_t rdv)
836 simcall_BODY_rdv_destroy(rdv);
839 * \ingroup simix_rdv_management
840 * \brief Returns a rendez-vous point knowing its name
842 smx_rdv_t simcall_rdv_get_by_name(const char *name)
844 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
846 /* FIXME: this is a horrible loss of performance, so we hack it out by
847 * skipping the simcall (for now). It works in parallel, it won't work on
848 * distributed but probably we will change MSG for that. */
850 return SIMIX_rdv_get_by_name(name);
854 * \ingroup simix_rdv_management
855 * \brief Counts the number of communication synchros of a given host pending
856 * on a rendez-vous point.
857 * \param rdv The rendez-vous point
858 * \param host The host to be counted
859 * \return The number of comm synchros pending in the rdv
861 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, sg_host_t host)
863 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
867 * \ingroup simix_rdv_management
868 * \brief returns the communication at the head of the rendez-vous
869 * \param rdv The rendez-vous point
870 * \return The communication or NULL if empty
872 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
874 return simcall_BODY_rdv_get_head(rdv);
877 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
879 simcall_BODY_rdv_set_receiver(rdv, process);
882 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
884 return simcall_BODY_rdv_get_receiver(rdv);
888 * \ingroup simix_comm_management
890 void simcall_comm_send(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
891 void *src_buff, size_t src_buff_size,
892 int (*match_fun)(void *, void *, smx_synchro_t),
893 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
896 /* checking for infinite values */
897 xbt_assert(isfinite(task_size), "task_size is not finite!");
898 xbt_assert(isfinite(rate), "rate is not finite!");
899 xbt_assert(isfinite(timeout), "timeout is not finite!");
901 xbt_assert(rdv, "No rendez-vous point defined for send");
903 if (MC_is_active() || MC_record_replay_is_active()) {
904 /* the model-checker wants two separate simcalls */
905 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
906 comm = simcall_comm_isend(sender, rdv, task_size, rate,
907 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
908 simcall_comm_wait(comm, timeout);
912 simcall_BODY_comm_send(sender, rdv, task_size, rate, src_buff, src_buff_size,
913 match_fun, copy_data_fun, data, timeout);
918 * \ingroup simix_comm_management
920 smx_synchro_t simcall_comm_isend(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
921 void *src_buff, size_t src_buff_size,
922 int (*match_fun)(void *, void *, smx_synchro_t),
923 void (*clean_fun)(void *),
924 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
928 /* checking for infinite values */
929 xbt_assert(isfinite(task_size), "task_size is not finite!");
930 xbt_assert(isfinite(rate), "rate is not finite!");
932 xbt_assert(rdv, "No rendez-vous point defined for isend");
934 return simcall_BODY_comm_isend(sender, rdv, task_size, rate, src_buff,
935 src_buff_size, match_fun,
936 clean_fun, copy_data_fun, data, detached);
940 * \ingroup simix_comm_management
942 void simcall_comm_recv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
943 int (*match_fun)(void *, void *, smx_synchro_t),
944 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
945 void *data, double timeout, double rate)
947 xbt_assert(isfinite(timeout), "timeout is not finite!");
948 xbt_assert(rdv, "No rendez-vous point defined for recv");
950 if (MC_is_active() || MC_record_replay_is_active()) {
951 /* the model-checker wants two separate simcalls */
952 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
953 comm = simcall_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
954 match_fun, copy_data_fun, data, rate);
955 simcall_comm_wait(comm, timeout);
959 simcall_BODY_comm_recv(receiver, rdv, dst_buff, dst_buff_size,
960 match_fun, copy_data_fun, data, timeout, rate);
964 * \ingroup simix_comm_management
966 smx_synchro_t simcall_comm_irecv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
967 int (*match_fun)(void *, void *, smx_synchro_t),
968 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
969 void *data, double rate)
971 xbt_assert(rdv, "No rendez-vous point defined for irecv");
973 return simcall_BODY_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
974 match_fun, copy_data_fun, data, rate);
978 * \ingroup simix_comm_management
980 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
981 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
983 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
985 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
989 * \ingroup simix_comm_management
991 void simcall_comm_cancel(smx_synchro_t comm)
993 simcall_BODY_comm_cancel(comm);
997 * \ingroup simix_comm_management
999 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1001 return simcall_BODY_comm_waitany(comms);
1005 * \ingroup simix_comm_management
1007 int simcall_comm_testany(xbt_dynar_t comms)
1009 if (xbt_dynar_is_empty(comms))
1011 return simcall_BODY_comm_testany(comms);
1015 * \ingroup simix_comm_management
1017 void simcall_comm_wait(smx_synchro_t comm, double timeout)
1019 xbt_assert(isfinite(timeout), "timeout is not finite!");
1020 simcall_BODY_comm_wait(comm, timeout);
1024 * \brief Set the category of an synchro.
1026 * This functions changes the category only. It calls a surf function.
1027 * \param execution The execution synchro
1028 * \param category The tracing category
1030 void simcall_set_category(smx_synchro_t synchro, const char *category)
1032 if (category == NULL) {
1035 simcall_BODY_set_category(synchro, category);
1039 * \ingroup simix_comm_management
1042 int simcall_comm_test(smx_synchro_t comm)
1044 return simcall_BODY_comm_test(comm);
1048 * \ingroup simix_comm_management
1051 double simcall_comm_get_remains(smx_synchro_t comm)
1053 return simcall_BODY_comm_get_remains(comm);
1057 * \ingroup simix_comm_management
1060 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1062 return simcall_BODY_comm_get_state(comm);
1066 * \ingroup simix_comm_management
1069 void *simcall_comm_get_src_data(smx_synchro_t comm)
1071 return simcall_BODY_comm_get_src_data(comm);
1075 * \ingroup simix_comm_management
1078 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1080 return simcall_BODY_comm_get_dst_data(comm);
1084 * \ingroup simix_comm_management
1087 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1089 return simcall_BODY_comm_get_src_proc(comm);
1093 * \ingroup simix_comm_management
1096 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1098 return simcall_BODY_comm_get_dst_proc(comm);
1101 #ifdef HAVE_LATENCY_BOUND_TRACKING
1102 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1104 return simcall_BODY_comm_is_latency_bounded(comm);
1109 * \ingroup simix_synchro_management
1112 smx_mutex_t simcall_mutex_init(void)
1115 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
1118 return simcall_BODY_mutex_init();
1122 * \ingroup simix_synchro_management
1125 void simcall_mutex_destroy(smx_mutex_t mutex)
1127 simcall_BODY_mutex_destroy(mutex);
1131 * \ingroup simix_synchro_management
1134 void simcall_mutex_lock(smx_mutex_t mutex)
1136 simcall_BODY_mutex_lock(mutex);
1140 * \ingroup simix_synchro_management
1143 int simcall_mutex_trylock(smx_mutex_t mutex)
1145 return simcall_BODY_mutex_trylock(mutex);
1149 * \ingroup simix_synchro_management
1152 void simcall_mutex_unlock(smx_mutex_t mutex)
1154 simcall_BODY_mutex_unlock(mutex);
1158 * \ingroup simix_synchro_management
1161 smx_cond_t simcall_cond_init(void)
1163 return simcall_BODY_cond_init();
1167 * \ingroup simix_synchro_management
1170 void simcall_cond_destroy(smx_cond_t cond)
1172 simcall_BODY_cond_destroy(cond);
1176 * \ingroup simix_synchro_management
1179 void simcall_cond_signal(smx_cond_t cond)
1181 simcall_BODY_cond_signal(cond);
1185 * \ingroup simix_synchro_management
1188 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1190 simcall_BODY_cond_wait(cond, mutex);
1194 * \ingroup simix_synchro_management
1197 void simcall_cond_wait_timeout(smx_cond_t cond,
1201 xbt_assert(isfinite(timeout), "timeout is not finite!");
1202 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1206 * \ingroup simix_synchro_management
1209 void simcall_cond_broadcast(smx_cond_t cond)
1211 simcall_BODY_cond_broadcast(cond);
1215 * \ingroup simix_synchro_management
1218 smx_sem_t simcall_sem_init(int capacity)
1220 return simcall_BODY_sem_init(capacity);
1224 * \ingroup simix_synchro_management
1227 void simcall_sem_destroy(smx_sem_t sem)
1229 simcall_BODY_sem_destroy(sem);
1233 * \ingroup simix_synchro_management
1236 void simcall_sem_release(smx_sem_t sem)
1238 simcall_BODY_sem_release(sem);
1242 * \ingroup simix_synchro_management
1245 int simcall_sem_would_block(smx_sem_t sem)
1247 return simcall_BODY_sem_would_block(sem);
1251 * \ingroup simix_synchro_management
1254 void simcall_sem_acquire(smx_sem_t sem)
1256 simcall_BODY_sem_acquire(sem);
1260 * \ingroup simix_synchro_management
1263 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1265 xbt_assert(isfinite(timeout), "timeout is not finite!");
1266 simcall_BODY_sem_acquire_timeout(sem, timeout);
1270 * \ingroup simix_synchro_management
1273 int simcall_sem_get_capacity(smx_sem_t sem)
1275 return simcall_BODY_sem_get_capacity(sem);
1279 * \ingroup simix_file_management
1282 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
1284 return simcall_BODY_file_read(fd, size, host);
1288 * \ingroup simix_file_management
1291 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
1293 return simcall_BODY_file_write(fd, size, host);
1297 * \ingroup simix_file_management
1300 smx_file_t simcall_file_open(const char* fullpath, sg_host_t host)
1302 return simcall_BODY_file_open(fullpath, host);
1306 * \ingroup simix_file_management
1309 int simcall_file_close(smx_file_t fd, sg_host_t host)
1311 return simcall_BODY_file_close(fd, host);
1315 * \ingroup simix_file_management
1318 int simcall_file_unlink(smx_file_t fd, sg_host_t host)
1320 return simcall_BODY_file_unlink(fd, host);
1324 * \ingroup simix_file_management
1327 sg_size_t simcall_file_get_size(smx_file_t fd){
1328 return simcall_BODY_file_get_size(fd);
1332 * \ingroup simix_file_management
1335 sg_size_t simcall_file_tell(smx_file_t fd){
1336 return simcall_BODY_file_tell(fd);
1340 * \ingroup simix_file_management
1343 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1345 return simcall_BODY_file_get_info(fd);
1349 * \ingroup simix_file_management
1352 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1353 return simcall_BODY_file_seek(fd, offset, origin);
1357 * \ingroup simix_file_management
1358 * \brief Move a file to another location on the *same mount point*.
1361 int simcall_file_move(smx_file_t fd, const char* fullpath)
1363 return simcall_BODY_file_move(fd, fullpath);
1367 * \ingroup simix_storage_management
1368 * \brief Returns the free space size on a given storage element.
1369 * \param storage a storage
1370 * \return Return the free space size on a given storage element (as sg_size_t)
1372 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1373 return simcall_BODY_storage_get_free_size(storage);
1377 * \ingroup simix_storage_management
1378 * \brief Returns the used space size on a given storage element.
1379 * \param storage a storage
1380 * \return Return the used space size on a given storage element (as sg_size_t)
1382 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1383 return simcall_BODY_storage_get_used_size(storage);
1387 * \ingroup simix_storage_management
1388 * \brief Returns the list of storages mounted on an host.
1389 * \param host A SIMIX host
1390 * \return a dict containing all storages mounted on the host
1392 xbt_dict_t simcall_host_get_mounted_storage_list(sg_host_t host)
1394 return simcall_BODY_host_get_mounted_storage_list(host);
1398 * \ingroup simix_storage_management
1399 * \brief Returns the list of storages attached to an host.
1400 * \param host A SIMIX host
1401 * \return a dict containing all storages attached to the host
1403 xbt_dynar_t simcall_host_get_attached_storage_list(sg_host_t host)
1405 return simcall_BODY_host_get_attached_storage_list(host);
1409 * \ingroup simix_storage_management
1410 * \brief Returns a dict of the properties assigned to a storage element.
1412 * \param storage A storage element
1413 * \return The properties of this storage element
1415 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1417 return simcall_BODY_storage_get_properties(storage);
1421 * \ingroup simix_storage_management
1422 * \brief Returns a dict containing the content of a storage element.
1424 * \param storage A storage element
1425 * \return The content of this storage element as a dict (full path file => size)
1427 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1429 return simcall_BODY_storage_get_content(storage);
1436 void *simcall_mc_snapshot(void) {
1437 return simcall_BODY_mc_snapshot();
1440 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1441 return simcall_BODY_mc_compare_snapshots(s1, s2);
1444 #endif /* HAVE_MC */
1446 int simcall_mc_random(int min, int max) {
1447 return simcall_BODY_mc_random(min, max);
1450 /* ************************************************************************** */
1452 /** @brief returns a printable string representing a simcall */
1453 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1454 return simcall_names[kind];