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() */
22 #include "src/simix/smx_host_private.h"
23 #include "src/simix/smx_private.hpp"
25 #include <simgrid/simix.hpp>
27 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
29 #include "popping_bodies.cpp"
31 void simcall_call(smx_process_t process)
33 if (process != simix_global->maestro_process) {
34 XBT_DEBUG("Yield process '%s' on simcall %s (%d)", process->name,
35 SIMIX_simcall_name(process->simcall.call), (int)process->simcall.call);
36 SIMIX_process_yield(process);
38 SIMIX_simcall_handle(&process->simcall, 0);
43 * \ingroup simix_host_management
44 * \brief Returns a dict of the properties assigned to a host.
47 * \return The properties of this host
49 xbt_dict_t simcall_host_get_properties(sg_host_t host)
51 return simgrid::simix::kernel(std::bind(SIMIX_host_get_properties, host));
55 * \ingroup simix_host_management
56 * \brief Returns a dict of the properties assigned to a router or AS.
58 * \param name The name of the router or AS
59 * \return The properties
61 xbt_dict_t simcall_asr_get_properties(const char *name)
63 return simcall_BODY_asr_get_properties(name);
67 * \ingroup simix_host_management
68 * \brief Returns the list of processes attached to the host.
70 * \param host A SIMIX host
71 * \return the swag of attached processes
73 xbt_swag_t simcall_host_get_process_list(sg_host_t host)
75 return simgrid::simix::kernel(std::bind(SIMIX_host_get_process_list, host));
79 * \ingroup simix_host_management
80 * \brief Returns the power peak of a host.
82 * \param host A SIMIX host
83 * \return the current power peak value (double)
85 double simcall_host_get_current_power_peak(sg_host_t host)
87 return simgrid::simix::kernel(
88 std::bind(SIMIX_host_get_current_power_peak, host));
92 * \ingroup simix_host_management
93 * \brief Returns one power peak (in flops/s) of a host at a given pstate
95 * \param host A SIMIX host
96 * \param pstate_index pstate to test
97 * \return the current power peak value (double) for pstate_index
99 double simcall_host_get_power_peak_at(sg_host_t host, int pstate_index)
101 return simgrid::simix::kernel(
102 std::bind(SIMIX_host_get_power_peak_at, host, pstate_index));
106 * \ingroup simix_host_management
107 * \brief Sets the pstate at which the host should run
109 * \param host A SIMIX host
110 * \param pstate_index The pstate to which the CPU power will be set
112 void simcall_host_set_pstate(sg_host_t host, int pstate_index)
114 simgrid::simix::kernel(
115 std::bind(SIMIX_host_set_pstate, host, pstate_index));
118 /** \ingroup simix_host_management
119 * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
121 double simcall_host_get_wattmin_at(msg_host_t host, int pstate)
123 return simgrid::simix::kernel(
124 std::bind(SIMIX_host_get_wattmin_at, host, pstate));
127 /** \ingroup simix_host_management
128 * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
130 double simcall_host_get_wattmax_at(msg_host_t host, int pstate)
132 return simgrid::simix::kernel(
133 std::bind(SIMIX_host_get_wattmax_at, host, pstate));
139 * \ingroup simix_process_management
140 * \brief Creates a synchro that executes some computation of an host.
142 * This function creates a SURF action and allocates the data necessary
143 * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
145 * \param name Name of the execution synchro to create
146 * \param flops_amount amount Computation amount (in flops)
147 * \param priority computation priority
149 * \param affinity_mask
150 * \return A new SIMIX execution synchronization
152 smx_synchro_t simcall_process_execute(const char *name,
154 double priority, double bound, unsigned long affinity_mask)
156 /* checking for infinite values */
157 xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
158 xbt_assert(isfinite(priority), "priority is not finite!");
160 return simcall_BODY_process_execute(name, flops_amount, priority, bound, affinity_mask);
164 * \ingroup simix_process_management
165 * \brief Creates a synchro that may involve parallel computation on
166 * several hosts and communication between them.
168 * \param name Name of the execution synchro to create
169 * \param host_nb Number of hosts where the synchro will be executed
170 * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
171 * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
172 * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
173 * amount between each pair of hosts
174 * \param amount the SURF action amount
175 * \param rate the SURF action rate
176 * \return A new SIMIX execution synchronization
178 smx_synchro_t simcall_process_parallel_execute(const char *name,
180 sg_host_t *host_list,
181 double *flops_amount,
182 double *bytes_amount,
187 /* checking for infinite values */
188 for (i = 0 ; i < host_nb ; ++i) {
189 xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
190 for (j = 0 ; j < host_nb ; ++j) {
191 xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
192 "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
196 xbt_assert(isfinite(amount), "amount is not finite!");
197 xbt_assert(isfinite(rate), "rate is not finite!");
199 return simcall_BODY_process_parallel_execute(name, host_nb, host_list,
207 * \ingroup simix_process_management
208 * \brief Destroys an execution synchro.
210 * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
211 * \param execution The execution synchro to destroy
213 void simcall_process_execution_destroy(smx_synchro_t execution)
215 simcall_BODY_process_execution_destroy(execution);
219 * \ingroup simix_process_management
220 * \brief Cancels an execution synchro.
222 * This functions stops the execution. It calls a surf function.
223 * \param execution The execution synchro to cancel
225 void simcall_process_execution_cancel(smx_synchro_t execution)
227 simcall_BODY_process_execution_cancel(execution);
231 * \ingroup simix_process_management
232 * \brief Returns how much of an execution synchro remains to be done.
234 * \param execution The execution synchro
235 * \return The remaining amount
237 double simcall_process_execution_get_remains(smx_synchro_t execution)
239 return simcall_BODY_process_execution_get_remains(execution);
243 * \ingroup simix_process_management
244 * \brief Returns the state of an execution synchro.
246 * \param execution The execution synchro
249 e_smx_state_t simcall_process_execution_get_state(smx_synchro_t execution)
251 return simcall_BODY_process_execution_get_state(execution);
255 * \ingroup simix_process_management
256 * \brief Changes the priority of an execution synchro.
258 * This functions changes the priority only. It calls a surf function.
259 * \param execution The execution synchro
260 * \param priority The new priority
262 void simcall_process_execution_set_priority(smx_synchro_t execution, double priority)
264 /* checking for infinite values */
265 xbt_assert(isfinite(priority), "priority is not finite!");
267 simcall_BODY_process_execution_set_priority(execution, priority);
271 * \ingroup simix_process_management
272 * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
274 * This functions changes the capping only. It calls a surf function.
275 * \param execution The execution synchro
276 * \param bound The new bound
278 void simcall_process_execution_set_bound(smx_synchro_t execution, double bound)
280 simcall_BODY_process_execution_set_bound(execution, bound);
284 * \ingroup simix_process_management
285 * \brief Changes the CPU affinity of an execution synchro.
287 * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
288 * \param execution The execution synchro
290 * \param mask Affinity mask
292 void simcall_process_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask)
294 simcall_BODY_process_execution_set_affinity(execution, host, mask);
298 * \ingroup simix_host_management
299 * \brief Waits for the completion of an execution synchro and destroy it.
301 * \param execution The execution synchro
303 e_smx_state_t simcall_process_execution_wait(smx_synchro_t execution)
305 return (e_smx_state_t) simcall_BODY_process_execution_wait(execution);
310 * \ingroup simix_vm_management
311 * \brief Create a VM on the given physical host.
313 * \param name VM name
314 * \param host Physical host
316 * \return The host object of the VM
318 void* simcall_vm_create(const char *name, sg_host_t phys_host)
320 return simgrid::simix::kernel(std::bind(SIMIX_vm_create, name, phys_host));
324 * \ingroup simix_vm_management
325 * \brief Start the given VM to the given physical host
329 void simcall_vm_start(sg_host_t vm)
331 return simgrid::simix::kernel(std::bind(SIMIX_vm_start, vm));
335 * \ingroup simix_vm_management
336 * \brief Get the state of the given VM
339 * \return The state of the VM
341 int simcall_vm_get_state(sg_host_t vm)
343 return simgrid::simix::kernel(std::bind(SIMIX_vm_get_state, vm));
347 * \ingroup simix_vm_management
348 * \brief Get the name of the physical host on which the given VM runs.
351 * \return The name of the physical host
353 void *simcall_vm_get_pm(sg_host_t vm)
355 return simgrid::simix::kernel(std::bind(SIMIX_vm_get_pm, vm));
358 void simcall_vm_set_bound(sg_host_t vm, double bound)
360 simgrid::simix::kernel(std::bind(SIMIX_vm_set_bound, vm, bound));
363 void simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask)
365 simgrid::simix::kernel(std::bind(SIMIX_vm_set_affinity, vm, pm, mask));
368 void simcall_host_get_params(sg_host_t vm, vm_params_t params)
370 simgrid::simix::kernel(std::bind(SIMIX_host_get_params, vm, params));
373 void simcall_host_set_params(sg_host_t vm, vm_params_t params)
375 simgrid::simix::kernel(std::bind(SIMIX_host_set_params, vm, params));
379 * \ingroup simix_vm_management
380 * \brief Migrate the given VM to the given physical host
383 * \param host Destination physical host
385 void simcall_vm_migrate(sg_host_t vm, sg_host_t host)
387 return simgrid::simix::kernel(std::bind(SIMIX_vm_migrate, vm, host));
391 * \ingroup simix_vm_management
392 * \brief Suspend the given VM
396 void simcall_vm_suspend(sg_host_t vm)
398 simcall_BODY_vm_suspend(vm);
402 * \ingroup simix_vm_management
403 * \brief Resume the given VM
407 void simcall_vm_resume(sg_host_t vm)
409 simcall_BODY_vm_resume(vm);
413 * \ingroup simix_vm_management
414 * \brief Save the given VM
418 void simcall_vm_save(sg_host_t vm)
420 simcall_BODY_vm_save(vm);
424 * \ingroup simix_vm_management
425 * \brief Restore the given VM
429 void simcall_vm_restore(sg_host_t vm)
431 simcall_BODY_vm_restore(vm);
435 * \ingroup simix_vm_management
436 * \brief Shutdown the given VM
440 void simcall_vm_shutdown(sg_host_t vm)
442 simcall_BODY_vm_shutdown(vm);
446 * \ingroup simix_vm_management
447 * \brief Destroy the given VM
451 void simcall_vm_destroy(sg_host_t vm)
453 simgrid::simix::kernel(std::bind(SIMIX_vm_destroy, vm));
457 * \ingroup simix_vm_management
458 * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
459 * The simcall actually invokes the following calls:
460 * simcall_vm_set_affinity(vm, src_pm, 0);
461 * simcall_vm_migrate(vm, dst_pm);
462 * simcall_vm_resume(vm);
464 * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
466 * \param vm VM to migrate
467 * \param src_pm Source physical host
468 * \param dst_pmt Destination physical host
470 void simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
472 simgrid::simix::kernel(std::bind(
473 SIMIX_vm_migratefrom_resumeto, vm, src_pm, dst_pm));
477 * \ingroup simix_process_management
478 * \brief Creates and runs a new SIMIX process.
480 * The structure and the corresponding thread are created and put in the list of ready processes.
482 * \param name a name for the process. It is for user-level information and can be NULL.
483 * \param code the main function of the process
484 * \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.
485 * It can be retrieved with the function \ref simcall_process_get_data.
486 * \param hostname name of the host where the new agent is executed.
487 * \param kill_time time when the process is killed
488 * \param argc first argument passed to \a code
489 * \param argv second argument passed to \a code
490 * \param properties the properties of the process
491 * \param auto_restart either it is autorestarting or not.
493 smx_process_t simcall_process_create(const char *name,
494 xbt_main_func_t code,
496 const char *hostname,
498 int argc, char **argv,
499 xbt_dict_t properties,
502 return (smx_process_t) simcall_BODY_process_create(name, code, data, hostname,
503 kill_time, argc, argv, properties,
508 * \ingroup simix_process_management
509 * \brief Kills a SIMIX process.
511 * This function simply kills a process.
513 * \param process poor victim
515 void simcall_process_kill(smx_process_t process)
517 simcall_BODY_process_kill(process);
521 * \ingroup simix_process_management
522 * \brief Kills all SIMIX processes.
524 void simcall_process_killall(int reset_pid)
526 simcall_BODY_process_killall(reset_pid);
530 * \ingroup simix_process_management
531 * \brief Cleans up a SIMIX process.
532 * \param process poor victim (must have already been killed)
534 void simcall_process_cleanup(smx_process_t process)
536 simcall_BODY_process_cleanup(process);
540 * \ingroup simix_process_management
541 * \brief Migrates an agent to another location.
543 * This function changes the value of the host on which \a process is running.
545 * \param process the process to migrate
546 * \param dest name of the new host
548 void simcall_process_set_host(smx_process_t process, sg_host_t dest)
550 simcall_BODY_process_set_host(process, dest);
553 void simcall_process_join(smx_process_t process, double timeout)
555 simcall_BODY_process_join(process, timeout);
559 * \ingroup simix_process_management
560 * \brief Suspends a process.
562 * This function suspends the process by suspending the synchro
563 * it was waiting for completion.
565 * \param process a SIMIX process
567 void simcall_process_suspend(smx_process_t process)
569 xbt_assert(process, "Invalid parameters");
571 simcall_BODY_process_suspend(process);
575 * \ingroup simix_process_management
576 * \brief Resumes a suspended process.
578 * This function resumes a suspended process by resuming the synchro
579 * it was waiting for completion.
581 * \param process a SIMIX process
583 void simcall_process_resume(smx_process_t process)
585 simcall_BODY_process_resume(process);
589 * \ingroup simix_process_management
590 * \brief Returns the amount of SIMIX processes in the system
592 * Maestro internal process is not counted, only user code processes are
594 int simcall_process_count(void)
596 return simgrid::simix::kernel(SIMIX_process_count);
600 * \ingroup simix_process_management
601 * \brief Return the PID of a #smx_process_t.
602 * \param process a SIMIX process
603 * \return the PID of this process
605 int simcall_process_get_PID(smx_process_t process)
607 return SIMIX_process_get_PID(process);
611 * \ingroup simix_process_management
612 * \brief Return the parent PID of a #smx_process_t.
613 * \param process a SIMIX process
614 * \return the PID of this process parenrt
616 int simcall_process_get_PPID(smx_process_t process)
618 return SIMIX_process_get_PPID(process);
622 * \ingroup simix_process_management
623 * \brief Return the user data of a #smx_process_t.
624 * \param process a SIMIX process
625 * \return the user data of this process
627 void* simcall_process_get_data(smx_process_t process)
629 return SIMIX_process_get_data(process);
633 * \ingroup simix_process_management
634 * \brief Set the user data of a #smx_process_t.
636 * This functions sets the user data associated to \a process.
637 * \param process SIMIX process
638 * \param data User data
640 void simcall_process_set_data(smx_process_t process, void *data)
642 simgrid::simix::kernel(std::bind(SIMIX_process_set_data, process, data));
645 static void kill_process(void* arg)
647 simix_global->kill_process_function((smx_process_t) arg);
651 * \ingroup simix_process_management
652 * \brief Set the kill time of a process.
654 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
657 if (kill_time > SIMIX_get_clock()) {
658 if (simix_global->kill_process_function) {
659 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
660 sg_host_get_name(process->host));
661 process->kill_timer = SIMIX_timer_set(kill_time, kill_process, process);
666 * \ingroup simix_process_management
667 * \brief Get the kill time of a process (or 0 if unset).
669 double simcall_process_get_kill_time(smx_process_t process) {
670 return SIMIX_timer_get_date(process->kill_timer);
674 * \ingroup simix_process_management
675 * \brief Return the location on which an agent is running.
677 * This functions returns the sg_host_t corresponding to the location on which
678 * \a process is running.
679 * \param process SIMIX process
682 sg_host_t simcall_process_get_host(smx_process_t process)
684 return SIMIX_process_get_host(process);
688 * \ingroup simix_process_management
689 * \brief Return the name of an agent.
691 * This functions checks whether \a process is a valid pointer or not and return its name.
692 * \param process SIMIX process
693 * \return The process name
695 const char* simcall_process_get_name(smx_process_t process)
697 return SIMIX_process_get_name(process);
701 * \ingroup simix_process_management
702 * \brief Returns true if the process is suspended .
704 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
705 * \param process SIMIX process
706 * \return 1, if the process is suspended, else 0.
708 int simcall_process_is_suspended(smx_process_t process)
710 return simcall_BODY_process_is_suspended(process);
714 * \ingroup simix_process_management
715 * \brief Return the properties
717 * This functions returns the properties associated with this process
719 xbt_dict_t simcall_process_get_properties(smx_process_t process)
721 return SIMIX_process_get_properties(process);
724 * \ingroup simix_process_management
725 * \brief Add an on_exit function
726 * Add an on_exit function which will be executed when the process exits/is killed.
728 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data)
730 simcall_BODY_process_on_exit(process, fun, data);
733 * \ingroup simix_process_management
734 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
735 * Will restart the process when the host comes back up if auto_restart is set to 1.
738 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
740 simcall_BODY_process_auto_restart_set(process, auto_restart);
744 * \ingroup simix_process_management
745 * \brief Restarts the process, killing it and starting it again from scratch.
747 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
749 return (smx_process_t) simcall_BODY_process_restart(process);
752 * \ingroup simix_process_management
753 * \brief Creates a new sleep SIMIX synchro.
755 * This function creates a SURF action and allocates the data necessary
756 * to create the SIMIX synchro. It can raise a host_error exception if the
757 * host crashed. The default SIMIX name of the synchro is "sleep".
759 * \param duration Time duration of the sleep.
760 * \return A result telling whether the sleep was successful
762 e_smx_state_t simcall_process_sleep(double duration)
764 /* checking for infinite values */
765 xbt_assert(isfinite(duration), "duration is not finite!");
766 return (e_smx_state_t) simcall_BODY_process_sleep(duration);
770 * \ingroup simix_rdv_management
771 * \brief Creates a new rendez-vous point
772 * \param name The name of the rendez-vous point
773 * \return The created rendez-vous point
775 smx_rdv_t simcall_rdv_create(const char *name)
777 return simcall_BODY_rdv_create(name);
782 * \ingroup simix_rdv_management
783 * \brief Destroy a rendez-vous point
784 * \param rdv The rendez-vous point to destroy
786 void simcall_rdv_destroy(smx_rdv_t rdv)
788 simcall_BODY_rdv_destroy(rdv);
791 * \ingroup simix_rdv_management
792 * \brief Returns a rendez-vous point knowing its name
794 smx_rdv_t simcall_rdv_get_by_name(const char *name)
796 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
798 /* FIXME: this is a horrible loss of performance, so we hack it out by
799 * skipping the simcall (for now). It works in parallel, it won't work on
800 * distributed but probably we will change MSG for that. */
802 return SIMIX_rdv_get_by_name(name);
806 * \ingroup simix_rdv_management
807 * \brief Counts the number of communication synchros of a given host pending
808 * on a rendez-vous point.
809 * \param rdv The rendez-vous point
810 * \param host The host to be counted
811 * \return The number of comm synchros pending in the rdv
813 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, sg_host_t host)
815 return simcall_BODY_rdv_comm_count_by_host(rdv, host);
819 * \ingroup simix_rdv_management
820 * \brief returns the communication at the head of the rendez-vous
821 * \param rdv The rendez-vous point
822 * \return The communication or NULL if empty
824 smx_synchro_t simcall_rdv_get_head(smx_rdv_t rdv)
826 return simcall_BODY_rdv_get_head(rdv);
829 void simcall_rdv_set_receiver(smx_rdv_t rdv, smx_process_t process)
831 simcall_BODY_rdv_set_receiver(rdv, process);
834 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
836 return simcall_BODY_rdv_get_receiver(rdv);
840 * \ingroup simix_comm_management
842 void simcall_comm_send(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
843 void *src_buff, size_t src_buff_size,
844 int (*match_fun)(void *, void *, smx_synchro_t),
845 void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
848 /* checking for infinite values */
849 xbt_assert(isfinite(task_size), "task_size is not finite!");
850 xbt_assert(isfinite(rate), "rate is not finite!");
851 xbt_assert(isfinite(timeout), "timeout is not finite!");
853 xbt_assert(rdv, "No rendez-vous point defined for send");
855 if (MC_is_active() || MC_record_replay_is_active()) {
856 /* the model-checker wants two separate simcalls */
857 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
858 comm = simcall_comm_isend(sender, rdv, task_size, rate,
859 src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
860 simcall_comm_wait(comm, timeout);
864 simcall_BODY_comm_send(sender, rdv, task_size, rate, src_buff, src_buff_size,
865 match_fun, copy_data_fun, data, timeout);
870 * \ingroup simix_comm_management
872 smx_synchro_t simcall_comm_isend(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
873 void *src_buff, size_t src_buff_size,
874 int (*match_fun)(void *, void *, smx_synchro_t),
875 void (*clean_fun)(void *),
876 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
880 /* checking for infinite values */
881 xbt_assert(isfinite(task_size), "task_size is not finite!");
882 xbt_assert(isfinite(rate), "rate is not finite!");
884 xbt_assert(rdv, "No rendez-vous point defined for isend");
886 return simcall_BODY_comm_isend(sender, rdv, task_size, rate, src_buff,
887 src_buff_size, match_fun,
888 clean_fun, copy_data_fun, data, detached);
892 * \ingroup simix_comm_management
894 void simcall_comm_recv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
895 int (*match_fun)(void *, void *, smx_synchro_t),
896 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
897 void *data, double timeout, double rate)
899 xbt_assert(isfinite(timeout), "timeout is not finite!");
900 xbt_assert(rdv, "No rendez-vous point defined for recv");
902 if (MC_is_active() || MC_record_replay_is_active()) {
903 /* the model-checker wants two separate simcalls */
904 smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
905 comm = simcall_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
906 match_fun, copy_data_fun, data, rate);
907 simcall_comm_wait(comm, timeout);
911 simcall_BODY_comm_recv(receiver, rdv, dst_buff, dst_buff_size,
912 match_fun, copy_data_fun, data, timeout, rate);
916 * \ingroup simix_comm_management
918 smx_synchro_t simcall_comm_irecv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
919 int (*match_fun)(void *, void *, smx_synchro_t),
920 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
921 void *data, double rate)
923 xbt_assert(rdv, "No rendez-vous point defined for irecv");
925 return simcall_BODY_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
926 match_fun, copy_data_fun, data, rate);
930 * \ingroup simix_comm_management
932 smx_synchro_t simcall_comm_iprobe(smx_rdv_t rdv, int type, int src, int tag,
933 int (*match_fun)(void *, void *, smx_synchro_t), void *data)
935 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
937 return simcall_BODY_comm_iprobe(rdv, type, src, tag, match_fun, data);
941 * \ingroup simix_comm_management
943 void simcall_comm_cancel(smx_synchro_t comm)
945 simcall_BODY_comm_cancel(comm);
949 * \ingroup simix_comm_management
951 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
953 return simcall_BODY_comm_waitany(comms);
957 * \ingroup simix_comm_management
959 int simcall_comm_testany(xbt_dynar_t comms)
961 if (xbt_dynar_is_empty(comms))
963 return simcall_BODY_comm_testany(comms);
967 * \ingroup simix_comm_management
969 void simcall_comm_wait(smx_synchro_t comm, double timeout)
971 xbt_assert(isfinite(timeout), "timeout is not finite!");
972 simcall_BODY_comm_wait(comm, timeout);
976 * \brief Set the category of an synchro.
978 * This functions changes the category only. It calls a surf function.
979 * \param execution The execution synchro
980 * \param category The tracing category
982 void simcall_set_category(smx_synchro_t synchro, const char *category)
984 if (category == NULL) {
987 simcall_BODY_set_category(synchro, category);
991 * \ingroup simix_comm_management
994 int simcall_comm_test(smx_synchro_t comm)
996 return simcall_BODY_comm_test(comm);
1000 * \ingroup simix_comm_management
1003 double simcall_comm_get_remains(smx_synchro_t comm)
1005 return simcall_BODY_comm_get_remains(comm);
1009 * \ingroup simix_comm_management
1012 e_smx_state_t simcall_comm_get_state(smx_synchro_t comm)
1014 return simcall_BODY_comm_get_state(comm);
1018 * \ingroup simix_comm_management
1021 void *simcall_comm_get_src_data(smx_synchro_t comm)
1023 return simcall_BODY_comm_get_src_data(comm);
1027 * \ingroup simix_comm_management
1030 void *simcall_comm_get_dst_data(smx_synchro_t comm)
1032 return simcall_BODY_comm_get_dst_data(comm);
1036 * \ingroup simix_comm_management
1039 smx_process_t simcall_comm_get_src_proc(smx_synchro_t comm)
1041 return simcall_BODY_comm_get_src_proc(comm);
1045 * \ingroup simix_comm_management
1048 smx_process_t simcall_comm_get_dst_proc(smx_synchro_t comm)
1050 return simcall_BODY_comm_get_dst_proc(comm);
1053 #ifdef HAVE_LATENCY_BOUND_TRACKING
1054 int simcall_comm_is_latency_bounded(smx_synchro_t comm)
1056 return simcall_BODY_comm_is_latency_bounded(comm);
1061 * \ingroup simix_synchro_management
1064 smx_mutex_t simcall_mutex_init(void)
1067 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
1070 return simcall_BODY_mutex_init();
1074 * \ingroup simix_synchro_management
1077 void simcall_mutex_destroy(smx_mutex_t mutex)
1079 simcall_BODY_mutex_destroy(mutex);
1083 * \ingroup simix_synchro_management
1086 void simcall_mutex_lock(smx_mutex_t mutex)
1088 simcall_BODY_mutex_lock(mutex);
1092 * \ingroup simix_synchro_management
1095 int simcall_mutex_trylock(smx_mutex_t mutex)
1097 return simcall_BODY_mutex_trylock(mutex);
1101 * \ingroup simix_synchro_management
1104 void simcall_mutex_unlock(smx_mutex_t mutex)
1106 simcall_BODY_mutex_unlock(mutex);
1110 * \ingroup simix_synchro_management
1113 smx_cond_t simcall_cond_init(void)
1115 return simcall_BODY_cond_init();
1119 * \ingroup simix_synchro_management
1122 void simcall_cond_destroy(smx_cond_t cond)
1124 simcall_BODY_cond_destroy(cond);
1128 * \ingroup simix_synchro_management
1131 void simcall_cond_signal(smx_cond_t cond)
1133 simcall_BODY_cond_signal(cond);
1137 * \ingroup simix_synchro_management
1140 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1142 simcall_BODY_cond_wait(cond, mutex);
1146 * \ingroup simix_synchro_management
1149 void simcall_cond_wait_timeout(smx_cond_t cond,
1153 xbt_assert(isfinite(timeout), "timeout is not finite!");
1154 simcall_BODY_cond_wait_timeout(cond, mutex, timeout);
1158 * \ingroup simix_synchro_management
1161 void simcall_cond_broadcast(smx_cond_t cond)
1163 simcall_BODY_cond_broadcast(cond);
1167 * \ingroup simix_synchro_management
1170 smx_sem_t simcall_sem_init(int capacity)
1172 return simcall_BODY_sem_init(capacity);
1176 * \ingroup simix_synchro_management
1179 void simcall_sem_destroy(smx_sem_t sem)
1181 simcall_BODY_sem_destroy(sem);
1185 * \ingroup simix_synchro_management
1188 void simcall_sem_release(smx_sem_t sem)
1190 simcall_BODY_sem_release(sem);
1194 * \ingroup simix_synchro_management
1197 int simcall_sem_would_block(smx_sem_t sem)
1199 return simcall_BODY_sem_would_block(sem);
1203 * \ingroup simix_synchro_management
1206 void simcall_sem_acquire(smx_sem_t sem)
1208 simcall_BODY_sem_acquire(sem);
1212 * \ingroup simix_synchro_management
1215 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1217 xbt_assert(isfinite(timeout), "timeout is not finite!");
1218 simcall_BODY_sem_acquire_timeout(sem, timeout);
1222 * \ingroup simix_synchro_management
1225 int simcall_sem_get_capacity(smx_sem_t sem)
1227 return simcall_BODY_sem_get_capacity(sem);
1231 * \ingroup simix_file_management
1234 sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
1236 return simcall_BODY_file_read(fd, size, host);
1240 * \ingroup simix_file_management
1243 sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
1245 return simcall_BODY_file_write(fd, size, host);
1249 * \ingroup simix_file_management
1252 smx_file_t simcall_file_open(const char* fullpath, sg_host_t host)
1254 return simcall_BODY_file_open(fullpath, host);
1258 * \ingroup simix_file_management
1261 int simcall_file_close(smx_file_t fd, sg_host_t host)
1263 return simcall_BODY_file_close(fd, host);
1267 * \ingroup simix_file_management
1270 int simcall_file_unlink(smx_file_t fd, sg_host_t host)
1272 return simcall_BODY_file_unlink(fd, host);
1276 * \ingroup simix_file_management
1279 sg_size_t simcall_file_get_size(smx_file_t fd){
1280 return simcall_BODY_file_get_size(fd);
1284 * \ingroup simix_file_management
1287 sg_size_t simcall_file_tell(smx_file_t fd){
1288 return simcall_BODY_file_tell(fd);
1292 * \ingroup simix_file_management
1295 xbt_dynar_t simcall_file_get_info(smx_file_t fd)
1297 return simcall_BODY_file_get_info(fd);
1301 * \ingroup simix_file_management
1304 int simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin){
1305 return simcall_BODY_file_seek(fd, offset, origin);
1309 * \ingroup simix_file_management
1310 * \brief Move a file to another location on the *same mount point*.
1313 int simcall_file_move(smx_file_t fd, const char* fullpath)
1315 return simcall_BODY_file_move(fd, fullpath);
1319 * \ingroup simix_storage_management
1320 * \brief Returns the free space size on a given storage element.
1321 * \param storage a storage
1322 * \return Return the free space size on a given storage element (as sg_size_t)
1324 sg_size_t simcall_storage_get_free_size (smx_storage_t storage){
1325 return simcall_BODY_storage_get_free_size(storage);
1329 * \ingroup simix_storage_management
1330 * \brief Returns the used space size on a given storage element.
1331 * \param storage a storage
1332 * \return Return the used space size on a given storage element (as sg_size_t)
1334 sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
1335 return simcall_BODY_storage_get_used_size(storage);
1339 * \ingroup simix_storage_management
1340 * \brief Returns the list of storages mounted on an host.
1341 * \param host A SIMIX host
1342 * \return a dict containing all storages mounted on the host
1344 xbt_dict_t simcall_host_get_mounted_storage_list(sg_host_t host)
1346 return simgrid::simix::kernel(std::bind(
1347 SIMIX_host_get_mounted_storage_list, host
1352 * \ingroup simix_storage_management
1353 * \brief Returns the list of storages attached to an host.
1354 * \param host A SIMIX host
1355 * \return a dict containing all storages attached to the host
1357 xbt_dynar_t simcall_host_get_attached_storage_list(sg_host_t host)
1359 return simgrid::simix::kernel(std::bind(
1360 SIMIX_host_get_attached_storage_list, host
1365 * \ingroup simix_storage_management
1366 * \brief Returns a dict of the properties assigned to a storage element.
1368 * \param storage A storage element
1369 * \return The properties of this storage element
1371 xbt_dict_t simcall_storage_get_properties(smx_storage_t storage)
1373 return simcall_BODY_storage_get_properties(storage);
1377 * \ingroup simix_storage_management
1378 * \brief Returns a dict containing the content of a storage element.
1380 * \param storage A storage element
1381 * \return The content of this storage element as a dict (full path file => size)
1383 xbt_dict_t simcall_storage_get_content(smx_storage_t storage)
1385 return simcall_BODY_storage_get_content(storage);
1388 void simcall_run_kernel(std::function<void()> const& code)
1390 return simcall_BODY_run_kernel((void*) &code);
1395 void *simcall_mc_snapshot(void) {
1396 return simcall_BODY_mc_snapshot();
1399 int simcall_mc_compare_snapshots(void *s1, void *s2) {
1400 return simcall_BODY_mc_compare_snapshots((simgrid::mc::Snapshot*)s1, (simgrid::mc::Snapshot*)s2);
1403 #endif /* HAVE_MC */
1405 int simcall_mc_random(int min, int max) {
1406 return simcall_BODY_mc_random(min, max);
1409 /* ************************************************************************** */
1411 /** @brief returns a printable string representing a simcall */
1412 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1413 return simcall_names[kind];