1 /* smx_user.c - public interface to simix */
3 /* Copyright (c) 2010, 2011. Da SimGrid team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 # define _SVID_SOURCE /* strdup() */
10 #ifndef _ISOC99_SOURCE
11 # define _ISOC99_SOURCE /* isfinite() */
13 #ifndef _ISO_C99_SOURCE
14 # define _ISO_C99_SOURCE /* isfinite() */
16 #include <math.h> /* isfinite() */
18 #include "smx_private.h"
22 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
24 static const char* simcall_names[] = {
25 #undef SIMCALL_ENUM_ELEMENT
26 #define SIMCALL_ENUM_ELEMENT(x) #x /* generate strings from the enumeration values */
28 #undef SIMCALL_ENUM_ELEMENT
32 * \ingroup simix_host_management
33 * \brief Returns a host given its name.
35 * \param name The name of the host to get
36 * \return The corresponding host
38 smx_host_t simcall_host_get_by_name(const char *name)
40 smx_simcall_t simcall = SIMIX_simcall_mine();
42 simcall->call = SIMCALL_HOST_GET_BY_NAME;
43 simcall->host_get_by_name.name = name;
44 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
45 simcall->host_get_by_name.result = NULL;
46 SIMIX_simcall_push(simcall->issuer);
47 return simcall->host_get_by_name.result;
51 * \ingroup simix_host_management
52 * \brief Returns the name of a host.
54 * \param host A SIMIX host
55 * \return The name of this host
57 const char* simcall_host_get_name(smx_host_t host)
59 smx_simcall_t simcall = SIMIX_simcall_mine();
61 simcall->call = SIMCALL_HOST_GET_NAME;
62 simcall->host_get_name.host = host;
63 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
64 simcall->host_get_name.result = NULL;
65 SIMIX_simcall_push(simcall->issuer);
66 return simcall->host_get_name.result;
70 * \ingroup simix_host_management
71 * \brief Returns a dict of the properties assigned to a host.
74 * \return The properties of this host
76 xbt_dict_t simcall_host_get_properties(smx_host_t host)
78 smx_simcall_t simcall = SIMIX_simcall_mine();
80 simcall->call = SIMCALL_HOST_GET_PROPERTIES;
81 simcall->host_get_properties.host = host;
82 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
83 simcall->host_get_properties.result = NULL;
84 SIMIX_simcall_push(simcall->issuer);
85 return simcall->host_get_properties.result;
89 * \ingroup simix_host_management
90 * \brief Returns a dict of the properties assigned to a router or AS.
92 * \param asr name of the router or AS
93 * \return The properties
95 xbt_dict_t simcall_asr_get_properties(const char *name)
97 smx_simcall_t simcall = SIMIX_simcall_mine();
99 simcall->call = SIMCALL_ASR_GET_PROPERTIES;
100 simcall->asr_get_properties.name = name;
101 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
102 simcall->asr_get_properties.result = NULL;
103 SIMIX_simcall_push(simcall->issuer);
104 return simcall->asr_get_properties.result;
109 * \ingroup simix_host_management
110 * \brief Returns the speed of the processor.
112 * The speed returned does not take into account the current load on the machine.
113 * \param host A SIMIX host
114 * \return The speed of this host (in Mflop/s)
116 double simcall_host_get_speed(smx_host_t host)
118 smx_simcall_t simcall = SIMIX_simcall_mine();
120 simcall->call = SIMCALL_HOST_GET_SPEED;
121 simcall->host_get_speed.host = host;
122 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
123 simcall->host_get_speed.result = 0.0;
124 SIMIX_simcall_push(simcall->issuer);
125 return simcall->host_get_speed.result;
129 * \ingroup simix_host_management
130 * \brief Returns the available speed of the processor.
132 * \return Speed currently available (in Mflop/s)
134 double simcall_host_get_available_speed(smx_host_t host)
136 smx_simcall_t simcall = SIMIX_simcall_mine();
138 simcall->call = SIMCALL_HOST_GET_AVAILABLE_SPEED;
139 simcall->host_get_available_speed.host = host;
140 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
141 simcall->host_get_available_speed.result = 0.0;
142 SIMIX_simcall_push(simcall->issuer);
143 return simcall->host_get_available_speed.result;
147 * \ingroup simix_host_management
148 * \brief Returns the state of a host.
150 * Two states are possible: 1 if the host is active or 0 if it has crashed.
151 * \param host A SIMIX host
152 * \return 1 if the host is available, 0 otherwise
154 int simcall_host_get_state(smx_host_t host)
156 smx_simcall_t simcall = SIMIX_simcall_mine();
158 simcall->call = SIMCALL_HOST_GET_STATE;
159 simcall->host_get_state.host = host;
160 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
161 simcall->host_get_state.result = -1;
162 SIMIX_simcall_push(simcall->issuer);
163 return simcall->host_get_state.result;
167 * \ingroup simix_host_management
168 * \brief Returns the user data associated to a host.
170 * \param host SIMIX host
171 * \return the user data of this host
173 void* simcall_host_get_data(smx_host_t host)
175 smx_simcall_t simcall = SIMIX_simcall_mine();
177 simcall->call = SIMCALL_HOST_GET_DATA;
178 simcall->host_get_data.host = host;
179 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
180 simcall->host_get_data.result = NULL;
181 SIMIX_simcall_push(simcall->issuer);
182 return simcall->host_get_data.result;
186 * \ingroup simix_host_management
187 * \brief Sets the user data associated to a host.
189 * The host must not have previous user data associated to it.
190 * \param host A SIMIX host
191 * \param data The user data to set
193 void simcall_host_set_data(smx_host_t host, void *data)
195 smx_simcall_t simcall = SIMIX_simcall_mine();
197 simcall->call = SIMCALL_HOST_SET_DATA;
198 simcall->host_set_data.host = host;
199 simcall->host_set_data.data = data;
200 SIMIX_simcall_push(simcall->issuer);
204 * \ingroup simix_host_management
205 * \brief Creates an action that executes some computation of an host.
207 * This function creates a SURF action and allocates the data necessary
208 * to create the SIMIX action. It can raise a host_error exception if the host crashed.
210 * \param name Name of the execution action to create
211 * \param host SIMIX host where the action will be executed
212 * \param computation_amount amount Computation amount (in bytes)
213 * \param priority computation priority
214 * \return A new SIMIX execution action
216 smx_action_t simcall_host_execute(const char *name, smx_host_t host,
217 double computation_amount,
220 /* checking for infinite values */
221 xbt_assert(isfinite(computation_amount), "computation_amount is not finite!");
222 xbt_assert(isfinite(priority), "priority is not finite!");
224 smx_simcall_t simcall = SIMIX_simcall_mine();
226 simcall->call = SIMCALL_HOST_EXECUTE;
227 simcall->host_execute.name = name;
228 simcall->host_execute.host = host;
229 simcall->host_execute.computation_amount = computation_amount;
230 simcall->host_execute.priority = priority;
231 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
232 simcall->host_execute.result = NULL;
233 SIMIX_simcall_push(simcall->issuer);
234 return simcall->host_execute.result;
238 * \ingroup simix_host_management
239 * \brief Creates an action that may involve parallel computation on
240 * several hosts and communication between them.
242 * \param name Name of the execution action to create
243 * \param host_nb Number of hosts where the action will be executed
244 * \param host_list Array (of size host_nb) of hosts where the action will be executed
245 * \param computation_amount Array (of size host_nb) of computation amount of hosts (in bytes)
246 * \param communication_amount Array (of size host_nb * host_nb) representing the communication
247 * amount between each pair of hosts
248 * \param amount the SURF action amount
249 * \param rate the SURF action rate
250 * \return A new SIMIX execution action
252 smx_action_t simcall_host_parallel_execute(const char *name,
254 smx_host_t *host_list,
255 double *computation_amount,
256 double *communication_amount,
261 /* checking for infinite values */
262 for (i = 0 ; i < host_nb ; ++i) {
263 xbt_assert(isfinite(computation_amount[i]), "computation_amount[%d] is not finite!", i);
264 for (j = 0 ; j < host_nb ; ++j) {
265 xbt_assert(isfinite(communication_amount[i + host_nb * j]),
266 "communication_amount[%d+%d*%d] is not finite!", i, host_nb, j);
270 xbt_assert(isfinite(amount), "amount is not finite!");
271 xbt_assert(isfinite(rate), "rate is not finite!");
273 smx_simcall_t simcall = SIMIX_simcall_mine();
275 simcall->call = SIMCALL_HOST_PARALLEL_EXECUTE;
276 simcall->host_parallel_execute.name = name;
277 simcall->host_parallel_execute.host_nb = host_nb;
278 simcall->host_parallel_execute.host_list = host_list;
279 simcall->host_parallel_execute.computation_amount = computation_amount;
280 simcall->host_parallel_execute.communication_amount = communication_amount;
281 simcall->host_parallel_execute.amount = amount;
282 simcall->host_parallel_execute.rate = rate;
283 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
284 simcall->host_parallel_execute.result = NULL;
285 SIMIX_simcall_push(simcall->issuer);
286 return simcall->host_parallel_execute.result;
290 * \ingroup simix_host_management
291 * \brief Destroys an execution action.
293 * Destroys an action, freing its memory. This function cannot be called if there are a conditional waiting for it.
294 * \param execution The execution action to destroy
296 void simcall_host_execution_destroy(smx_action_t execution)
298 smx_simcall_t simcall = SIMIX_simcall_mine();
300 simcall->call = SIMCALL_HOST_EXECUTION_DESTROY;
301 simcall->host_execution_destroy.execution = execution;
302 SIMIX_simcall_push(simcall->issuer);
306 * \ingroup simix_host_management
307 * \brief Cancels an execution action.
309 * This functions stops the execution. It calls a surf function.
310 * \param execution The execution action to cancel
312 void simcall_host_execution_cancel(smx_action_t execution)
314 smx_simcall_t simcall = SIMIX_simcall_mine();
316 simcall->call = SIMCALL_HOST_EXECUTION_CANCEL;
317 simcall->host_execution_cancel.execution = execution;
318 SIMIX_simcall_push(simcall->issuer);
322 * \ingroup simix_host_management
323 * \brief Returns how much of an execution action remains to be done.
325 * \param execution The execution action
326 * \return The remaining amount
328 double simcall_host_execution_get_remains(smx_action_t execution)
330 smx_simcall_t simcall = SIMIX_simcall_mine();
332 simcall->call = SIMCALL_HOST_EXECUTION_GET_REMAINS;
333 simcall->host_execution_get_remains.execution = execution;
334 if(MC_IS_ENABLED) /* Initializeialize result to a default value for snapshot comparison done during simcall */
335 simcall->host_execution_get_remains.result = 0.0;
336 SIMIX_simcall_push(simcall->issuer);
337 return simcall->host_execution_get_remains.result;
341 * \ingroup simix_host_management
342 * \brief Returns the state of an execution action.
344 * \param execution The execution action
347 e_smx_state_t simcall_host_execution_get_state(smx_action_t execution)
349 smx_simcall_t simcall = SIMIX_simcall_mine();
351 simcall->call = SIMCALL_HOST_EXECUTION_GET_STATE;
352 simcall->host_execution_get_state.execution = execution;
353 simcall->host_execution_get_state.result = -1;
354 SIMIX_simcall_push(simcall->issuer);
355 return simcall->host_execution_get_state.result;
359 * \ingroup simix_host_management
360 * \brief Changes the priority of an execution action.
362 * This functions changes the priority only. It calls a surf function.
363 * \param execution The execution action
364 * \param priority The new priority
366 void simcall_host_execution_set_priority(smx_action_t execution, double priority)
368 /* checking for infinite values */
369 xbt_assert(isfinite(priority), "priority is not finite!");
371 smx_simcall_t simcall = SIMIX_simcall_mine();
373 simcall->call = SIMCALL_HOST_EXECUTION_SET_PRIORITY;
374 simcall->host_execution_set_priority.execution = execution;
375 simcall->host_execution_set_priority.priority = priority;
376 SIMIX_simcall_push(simcall->issuer);
380 * \ingroup simix_host_management
381 * \brief Waits for the completion of an execution action and destroy it.
383 * \param execution The execution action
385 e_smx_state_t simcall_host_execution_wait(smx_action_t execution)
387 smx_simcall_t simcall = SIMIX_simcall_mine();
389 simcall->call = SIMCALL_HOST_EXECUTION_WAIT;
390 simcall->host_execution_wait.execution = execution;
391 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
392 simcall->host_execution_wait.result = -1;
393 SIMIX_simcall_push(simcall->issuer);
394 return simcall->host_execution_wait.result;
398 * \ingroup simix_process_management
399 * \brief Creates and runs a new SIMIX process.
401 * The structure and the corresponding thread are created and put in the list of ready processes.
403 * \param process the process created will be stored in this pointer
404 * \param name a name for the process. It is for user-level information and can be NULL.
405 * \param code the main function of the process
406 * \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.
407 * It can be retrieved with the function \ref simcall_process_get_data.
408 * \param hostname name of the host where the new agent is executed.
409 * \param kill_time time when the process is killed
410 * \param argc first argument passed to \a code
411 * \param argv second argument passed to \a code
412 * \param properties the properties of the process
413 * \param auto_restart either it is autorestarting or not.
415 void simcall_process_create(smx_process_t *process, const char *name,
416 xbt_main_func_t code,
418 const char *hostname,
420 int argc, char **argv,
421 xbt_dict_t properties,
424 smx_simcall_t simcall = SIMIX_simcall_mine();
426 simcall->call = SIMCALL_PROCESS_CREATE;
427 simcall->process_create.process = process;
428 simcall->process_create.name = name;
429 simcall->process_create.code = code;
430 simcall->process_create.data = data;
431 simcall->process_create.hostname = hostname;
432 simcall->process_create.kill_time = kill_time;
433 simcall->process_create.argc = argc;
434 simcall->process_create.argv = argv;
435 simcall->process_create.properties = properties;
436 simcall->process_create.auto_restart = auto_restart;
437 SIMIX_simcall_push(simcall->issuer);
441 * \ingroup simix_process_management
442 * \brief Kills a SIMIX process.
444 * This function simply kills a process.
446 * \param process poor victim
448 void simcall_process_kill(smx_process_t process)
450 smx_simcall_t simcall = SIMIX_simcall_mine();
452 simcall->call = SIMCALL_PROCESS_KILL;
453 simcall->process_kill.process = process;
454 SIMIX_simcall_push(simcall->issuer);
458 * \ingroup simix_process_management
459 * \brief Kills all SIMIX processes.
461 void simcall_process_killall(void)
463 smx_simcall_t simcall = SIMIX_simcall_mine();
465 simcall->call = SIMCALL_PROCESS_KILLALL;
466 SIMIX_simcall_push(simcall->issuer);
470 * \ingroup simix_process_management
471 * \brief Cleans up a SIMIX process.
472 * \param process poor victim (must have already been killed)
474 void simcall_process_cleanup(smx_process_t process)
476 smx_simcall_t simcall = SIMIX_simcall_mine();
478 simcall->call = SIMCALL_PROCESS_CLEANUP;
479 simcall->process_cleanup.process = process;
480 SIMIX_simcall_push(simcall->issuer);
484 * \ingroup simix_process_management
485 * \brief Migrates an agent to another location.
487 * This function changes the value of the host on which \a process is running.
489 * \param process the process to migrate
490 * \param dest name of the new host
492 void simcall_process_change_host(smx_process_t process, smx_host_t dest)
494 smx_simcall_t simcall = SIMIX_simcall_mine();
496 simcall->call = SIMCALL_PROCESS_CHANGE_HOST;
497 simcall->process_change_host.process = process;
498 simcall->process_change_host.dest = dest;
499 SIMIX_simcall_push(simcall->issuer);
503 * \ingroup simix_process_management
504 * \brief Suspends a process.
506 * This function suspends the process by suspending the action
507 * it was waiting for completion.
509 * \param process a SIMIX process
511 void simcall_process_suspend(smx_process_t process)
513 xbt_assert(process, "Invalid parameters");
515 smx_simcall_t simcall = SIMIX_simcall_mine();
517 simcall->call = SIMCALL_PROCESS_SUSPEND;
518 simcall->process_suspend.process = process;
519 SIMIX_simcall_push(simcall->issuer);
523 * \ingroup simix_process_management
524 * \brief Resumes a suspended process.
526 * This function resumes a suspended process by resuming the action
527 * it was waiting for completion.
529 * \param process a SIMIX process
531 void simcall_process_resume(smx_process_t process)
533 smx_simcall_t simcall = SIMIX_simcall_mine();
535 simcall->call = SIMCALL_PROCESS_RESUME;
536 simcall->process_resume.process = process;
537 SIMIX_simcall_push(simcall->issuer);
541 * \ingroup simix_process_management
542 * \brief Returns the amount of SIMIX processes in the system
544 * Maestro internal process is not counted, only user code processes are
546 int simcall_process_count(void)
548 smx_simcall_t simcall = SIMIX_simcall_mine();
550 simcall->call = SIMCALL_PROCESS_COUNT;
551 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
552 simcall->process_count.result = -1;
553 SIMIX_simcall_push(simcall->issuer);
554 return simcall->process_count.result;
558 * \ingroup simix_process_management
559 * \brief Return the user data of a #smx_process_t.
560 * \param process a SIMIX process
561 * \return the user data of this process
563 void* simcall_process_get_data(smx_process_t process)
565 if (process == SIMIX_process_self()) {
566 /* avoid a simcall if this function is called by the process itself */
567 return SIMIX_process_get_data(process);
570 smx_simcall_t simcall = SIMIX_simcall_mine();
572 simcall->call = SIMCALL_PROCESS_GET_DATA;
573 simcall->process_get_data.process = process;
574 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
575 simcall->process_get_data.result = NULL;
576 SIMIX_simcall_push(simcall->issuer);
577 return simcall->process_get_data.result;
581 * \ingroup simix_process_management
582 * \brief Set the user data of a #smx_process_t.
584 * This functions sets the user data associated to \a process.
585 * \param process SIMIX process
586 * \param data User data
588 void simcall_process_set_data(smx_process_t process, void *data)
590 if (process == SIMIX_process_self()) {
591 /* avoid a simcall if this function is called by the process itself */
592 SIMIX_process_self_set_data(process, data);
596 smx_simcall_t simcall = SIMIX_simcall_mine();
598 simcall->call = SIMCALL_PROCESS_SET_DATA;
599 simcall->process_set_data.process = process;
600 simcall->process_set_data.data = data;
601 SIMIX_simcall_push(simcall->issuer);
606 * \ingroup simix_process_management
607 * \brief Set the kill time of a process.
608 * \param process a process
609 * \param kill_time a double
611 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
614 if (kill_time > SIMIX_get_clock()) {
615 if (simix_global->kill_process_function) {
616 XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
617 process->smx_host->name);
618 SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
624 * \ingroup simix_process_management
625 * \brief Return the location on which an agent is running.
627 * This functions returns the smx_host_t corresponding to the location on which
628 * \a process is running.
629 * \param process SIMIX process
632 smx_host_t simcall_process_get_host(smx_process_t process)
634 smx_simcall_t simcall = SIMIX_simcall_mine();
636 simcall->call = SIMCALL_PROCESS_GET_HOST;
637 simcall->process_get_host.process = process;
638 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
639 simcall->process_get_host.result = NULL;
640 SIMIX_simcall_push(simcall->issuer);
641 return simcall->process_get_host.result;
645 * \ingroup simix_process_management
646 * \brief Return the name of an agent.
648 * This functions checks whether \a process is a valid pointer or not and return its name.
649 * \param process SIMIX process
650 * \return The process name
652 const char* simcall_process_get_name(smx_process_t process)
654 if (process == SIMIX_process_self()) {
655 /* avoid a simcall if this function is called by the process itself */
656 return process->name;
659 smx_simcall_t simcall = SIMIX_simcall_mine();
661 simcall->call = SIMCALL_PROCESS_GET_NAME;
662 simcall->process_get_name.process = process;
663 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
664 simcall->process_get_name.result = NULL;
665 SIMIX_simcall_push(simcall->issuer);
666 return simcall->process_get_name.result;
670 * \ingroup simix_process_management
671 * \brief Returns true if the process is suspended .
673 * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
674 * \param process SIMIX process
675 * \return 1, if the process is suspended, else 0.
677 int simcall_process_is_suspended(smx_process_t process)
679 smx_simcall_t simcall = SIMIX_simcall_mine();
681 simcall->call = SIMCALL_PROCESS_IS_SUSPENDED;
682 simcall->process_is_suspended.process = process;
683 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
684 simcall->process_is_suspended.result = -1;
685 SIMIX_simcall_push(simcall->issuer);
686 return simcall->process_is_suspended.result;
690 * \ingroup simix_process_management
691 * \brief Return the properties
693 * This functions returns the properties associated with this process
695 xbt_dict_t simcall_process_get_properties(smx_process_t process)
697 smx_simcall_t simcall = SIMIX_simcall_mine();
699 simcall->call = SIMCALL_PROCESS_GET_PROPERTIES;
700 simcall->process_get_properties.process = process;
701 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
702 simcall->process_get_properties.result = NULL;
703 SIMIX_simcall_push(simcall->issuer);
704 return simcall->process_get_properties.result;
707 * \ingroup simix_process_management
708 * \brief Add an on_exit function
709 * Add an on_exit function which will be executed when the process exits/is killed.
711 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data)
713 smx_simcall_t simcall = SIMIX_simcall_mine();
715 simcall->call = SIMCALL_PROCESS_ON_EXIT;
716 simcall->process_on_exit.process = process;
717 simcall->process_on_exit.fun = fun;
718 simcall->process_on_exit.data = data;
720 SIMIX_simcall_push(simcall->issuer);
723 * \ingroup simix_process_management
724 * \brief Sets the process to be auto-restarted or not by SIMIX when its host comes back up.
725 * Will restart the process when the host comes back up if auto_restart is set to 1.
728 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart)
730 smx_simcall_t simcall = SIMIX_simcall_mine();
732 simcall->call = SIMCALL_PROCESS_AUTO_RESTART_SET;
733 simcall->process_auto_restart.process = process;
734 simcall->process_auto_restart.auto_restart = auto_restart;
736 SIMIX_simcall_push(simcall->issuer);
739 * \ingroup simix_process_management
740 * \brief Restarts the process, killing it and starting it again from scratch.
742 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process)
744 smx_simcall_t simcall = SIMIX_simcall_mine();
746 simcall->call = SIMCALL_PROCESS_RESTART;
747 simcall->process_restart.process = process;
748 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
749 simcall->process_restart.result = NULL;
751 SIMIX_simcall_push(simcall->issuer);
753 return simcall->process_restart.result;
756 * \ingroup simix_process_management
757 * \brief Creates a new sleep SIMIX action.
759 * This function creates a SURF action and allocates the data necessary
760 * to create the SIMIX action. It can raise a host_error exception if the
761 * host crashed. The default SIMIX name of the action is "sleep".
763 * \param duration Time duration of the sleep.
764 * \return A result telling whether the sleep was successful
766 e_smx_state_t simcall_process_sleep(double duration)
768 /* checking for infinite values */
769 xbt_assert(isfinite(duration), "duration is not finite!");
771 smx_simcall_t simcall = SIMIX_simcall_mine();
773 simcall->call = SIMCALL_PROCESS_SLEEP;
774 simcall->process_sleep.duration = duration;
775 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
776 simcall->process_sleep.result = -1;
777 SIMIX_simcall_push(simcall->issuer);
778 return simcall->process_sleep.result;
782 * \ingroup simix_rdv_management
783 * \brief Creates a new rendez-vous point
784 * \param name The name of the rendez-vous point
785 * \return The created rendez-vous point
787 smx_rdv_t simcall_rdv_create(const char *name)
789 smx_simcall_t simcall = SIMIX_simcall_mine();
791 simcall->call = SIMCALL_RDV_CREATE;
792 simcall->rdv_create.name = name;
793 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
794 simcall->rdv_create.result = NULL;
796 SIMIX_simcall_push(simcall->issuer);
797 return simcall->rdv_create.result;
802 * \ingroup simix_rdv_management
803 * \brief Destroy a rendez-vous point
804 * \param rdv The rendez-vous point to destroy
806 void simcall_rdv_destroy(smx_rdv_t rdv)
808 smx_simcall_t simcall = SIMIX_simcall_mine();
810 simcall->call = SIMCALL_RDV_DESTROY;
811 simcall->rdv_destroy.rdv = rdv;
813 SIMIX_simcall_push(simcall->issuer);
816 * \ingroup simix_rdv_management
817 * \brief Returns a rendez-vous point knowing its name
819 smx_rdv_t simcall_rdv_get_by_name(const char *name)
821 xbt_assert(name != NULL, "Invalid parameter for simcall_rdv_get_by_name (name is NULL)");
823 /* FIXME: this is a horrible lost of performance, so we hack it out by
824 * skipping the simcall (for now). It works in parallel, it won't work on
825 * distributed but probably we will change MSG for that. */
828 smx_simcall_t simcall = simcall_mine();
829 simcall->call = SIMCALL_RDV_GEY_BY_NAME;
830 simcall->rdv_get_by_name.name = name;
831 SIMIX_simcall_push(simcall->issuer);
832 return simcall->rdv_get_by_name.result;*/
834 return SIMIX_rdv_get_by_name(name);
838 * \ingroup simix_rdv_management
839 * \brief Counts the number of communication actions of a given host pending
840 * on a rendez-vous point.
841 * \param rdv The rendez-vous point
842 * \param host The host to be counted
843 * \return The number of comm actions pending in the rdv
845 int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
847 smx_simcall_t simcall = SIMIX_simcall_mine();
849 simcall->call = SIMCALL_RDV_COMM_COUNT_BY_HOST;
850 simcall->rdv_comm_count_by_host.rdv = rdv;
851 simcall->rdv_comm_count_by_host.host = host;
852 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
853 simcall->rdv_comm_count_by_host.result = -1;
855 SIMIX_simcall_push(simcall->issuer);
856 return simcall->rdv_comm_count_by_host.result;
860 * \ingroup simix_rdv_management
861 * \brief returns the communication at the head of the rendez-vous
862 * \param rdv The rendez-vous point
863 * \return The communication or NULL if empty
865 smx_action_t simcall_rdv_get_head(smx_rdv_t rdv)
867 smx_simcall_t simcall = SIMIX_simcall_mine();
869 simcall->call = SIMCALL_RDV_GET_HEAD;
870 simcall->rdv_get_head.rdv = rdv;
871 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
872 simcall->rdv_get_head.result = NULL;
874 SIMIX_simcall_push(simcall->issuer);
875 return simcall->rdv_get_head.result;
878 void simcall_rdv_set_receiver(smx_rdv_t rdv , smx_process_t process)
880 smx_simcall_t simcall = SIMIX_simcall_mine();
882 simcall->call = SIMCALL_RDV_SET_RECV;
883 simcall->rdv_set_rcv_proc.rdv = rdv;
884 simcall->rdv_set_rcv_proc.receiver = process;
886 SIMIX_simcall_push(simcall->issuer);
889 smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
891 smx_simcall_t simcall = SIMIX_simcall_mine();
893 simcall->call = SIMCALL_RDV_GET_RECV;
894 simcall->rdv_get_rcv_proc.rdv = rdv;
895 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
896 simcall->rdv_get_rcv_proc.result = NULL;
898 SIMIX_simcall_push(simcall->issuer);
899 return simcall->rdv_get_rcv_proc.result;
903 * \ingroup simix_comm_management
905 void simcall_comm_send(smx_rdv_t rdv, double task_size, double rate,
906 void *src_buff, size_t src_buff_size,
907 int (*match_fun)(void *, void *, smx_action_t), void *data,
910 /* checking for infinite values */
911 xbt_assert(isfinite(task_size), "task_size is not finite!");
912 xbt_assert(isfinite(rate), "rate is not finite!");
913 xbt_assert(isfinite(timeout), "timeout is not finite!");
915 xbt_assert(rdv, "No rendez-vous point defined for send");
918 /* the model-checker wants two separate simcalls */
919 smx_action_t comm = simcall_comm_isend(rdv, task_size, rate,
920 src_buff, src_buff_size, match_fun, NULL, data, 0);
921 simcall_comm_wait(comm, timeout);
924 smx_simcall_t simcall = SIMIX_simcall_mine();
926 simcall->call = SIMCALL_COMM_SEND;
927 simcall->comm_send.rdv = rdv;
928 simcall->comm_send.task_size = task_size;
929 simcall->comm_send.rate = rate;
930 simcall->comm_send.src_buff = src_buff;
931 simcall->comm_send.src_buff_size = src_buff_size;
932 simcall->comm_send.match_fun = match_fun;
933 simcall->comm_send.data = data;
934 simcall->comm_send.timeout = timeout;
936 SIMIX_simcall_push(simcall->issuer);
940 * \ingroup simix_comm_management
942 smx_action_t simcall_comm_isend(smx_rdv_t rdv, double task_size, double rate,
943 void *src_buff, size_t src_buff_size,
944 int (*match_fun)(void *, void *, smx_action_t),
945 void (*clean_fun)(void *),
949 /* checking for infinite values */
950 xbt_assert(isfinite(task_size), "task_size is not finite!");
951 xbt_assert(isfinite(rate), "rate is not finite!");
953 xbt_assert(rdv, "No rendez-vous point defined for isend");
955 smx_simcall_t simcall = SIMIX_simcall_mine();
957 simcall->call = SIMCALL_COMM_ISEND;
958 simcall->comm_isend.rdv = rdv;
959 simcall->comm_isend.task_size = task_size;
960 simcall->comm_isend.rate = rate;
961 simcall->comm_isend.src_buff = src_buff;
962 simcall->comm_isend.src_buff_size = src_buff_size;
963 simcall->comm_isend.match_fun = match_fun;
964 simcall->comm_isend.clean_fun = clean_fun;
965 simcall->comm_isend.data = data;
966 simcall->comm_isend.detached = detached;
967 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
968 simcall->comm_isend.result = NULL;
970 SIMIX_simcall_push(simcall->issuer);
971 return simcall->comm_isend.result;
974 * \ingroup simix_comm_management
976 void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
977 int (*match_fun)(void *, void *, smx_action_t), void *data, double timeout)
979 xbt_assert(isfinite(timeout), "timeout is not finite!");
980 xbt_assert(rdv, "No rendez-vous point defined for recv");
983 /* the model-checker wants two separate simcalls */
984 smx_action_t comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
986 simcall_comm_wait(comm, timeout);
989 smx_simcall_t simcall = SIMIX_simcall_mine();
991 simcall->call = SIMCALL_COMM_RECV;
992 simcall->comm_recv.rdv = rdv;
993 simcall->comm_recv.dst_buff = dst_buff;
994 simcall->comm_recv.dst_buff_size = dst_buff_size;
995 simcall->comm_recv.match_fun = match_fun;
996 simcall->comm_recv.data = data;
997 simcall->comm_recv.timeout = timeout;
999 SIMIX_simcall_push(simcall->issuer);
1003 * \ingroup simix_comm_management
1005 smx_action_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
1006 int (*match_fun)(void *, void *, smx_action_t), void *data)
1008 xbt_assert(rdv, "No rendez-vous point defined for irecv");
1010 smx_simcall_t simcall = SIMIX_simcall_mine();
1012 simcall->call = SIMCALL_COMM_IRECV;
1013 simcall->comm_irecv.rdv = rdv;
1014 simcall->comm_irecv.dst_buff = dst_buff;
1015 simcall->comm_irecv.dst_buff_size = dst_buff_size;
1016 simcall->comm_irecv.match_fun = match_fun;
1017 simcall->comm_irecv.data = data;
1018 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1019 simcall->comm_irecv.result = NULL;
1021 SIMIX_simcall_push(simcall->issuer);
1022 return simcall->comm_irecv.result;
1027 * \ingroup simix_comm_management
1029 smx_action_t simcall_comm_iprobe(smx_rdv_t rdv, int src, int tag,
1030 int (*match_fun)(void *, void *, smx_action_t), void *data)
1032 xbt_assert(rdv, "No rendez-vous point defined for iprobe");
1034 smx_simcall_t simcall = SIMIX_simcall_mine();
1036 simcall->call = SIMCALL_COMM_IPROBE;
1037 simcall->comm_iprobe.rdv = rdv;
1038 simcall->comm_iprobe.src = src;
1039 simcall->comm_iprobe.match_fun = match_fun;
1040 simcall->comm_iprobe.data = data;
1041 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1042 simcall->comm_iprobe.result = NULL;
1043 SIMIX_simcall_push(simcall->issuer);
1044 return simcall->comm_iprobe.result;
1048 void simcall_comm_destroy(smx_action_t comm)
1050 xbt_assert(comm, "Invalid parameter");
1052 /* FIXME remove this simcall type: comms are auto-destroyed now */
1055 smx_simcall_t simcall = simcall_mine();
1057 simcall->call = SIMCALL_COMM_DESTROY;
1058 simcall->comm_destroy.comm = comm;
1060 SIMIX_simcall_push(simcall->issuer);
1064 * \ingroup simix_comm_management
1066 void simcall_comm_cancel(smx_action_t comm)
1068 smx_simcall_t simcall = SIMIX_simcall_mine();
1070 simcall->call = SIMCALL_COMM_CANCEL;
1071 simcall->comm_cancel.comm = comm;
1073 SIMIX_simcall_push(simcall->issuer);
1076 * \ingroup simix_comm_management
1078 unsigned int simcall_comm_waitany(xbt_dynar_t comms)
1080 smx_simcall_t simcall = SIMIX_simcall_mine();
1082 simcall->call = SIMCALL_COMM_WAITANY;
1083 simcall->comm_waitany.comms = comms;
1084 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1085 simcall->comm_waitany.result = -1;
1087 SIMIX_simcall_push(simcall->issuer);
1088 return simcall->comm_waitany.result;
1091 * \ingroup simix_comm_management
1093 int simcall_comm_testany(xbt_dynar_t comms)
1095 smx_simcall_t simcall = SIMIX_simcall_mine();
1096 if (xbt_dynar_is_empty(comms))
1099 simcall->call = SIMCALL_COMM_TESTANY;
1100 simcall->comm_testany.comms = comms;
1101 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1102 simcall->comm_testany.result = -1;
1104 SIMIX_simcall_push(simcall->issuer);
1105 return simcall->comm_testany.result;
1108 * \ingroup simix_comm_management
1110 void simcall_comm_wait(smx_action_t comm, double timeout)
1112 xbt_assert(isfinite(timeout), "timeout is not finite!");
1114 smx_simcall_t simcall = SIMIX_simcall_mine();
1116 simcall->call = SIMCALL_COMM_WAIT;
1117 simcall->comm_wait.comm = comm;
1118 simcall->comm_wait.timeout = timeout;
1120 SIMIX_simcall_push(simcall->issuer);
1125 * \brief Set the category of an action.
1127 * This functions changes the category only. It calls a surf function.
1128 * \param execution The execution action
1129 * \param category The tracing category
1131 void simcall_set_category(smx_action_t action, const char *category)
1133 if (category == NULL) {
1137 smx_simcall_t simcall = SIMIX_simcall_mine();
1139 simcall->call = SIMCALL_SET_CATEGORY;
1140 simcall->set_category.action = action;
1141 simcall->set_category.category = category;
1143 SIMIX_simcall_push(simcall->issuer);
1147 * \ingroup simix_comm_management
1150 int simcall_comm_test(smx_action_t comm)
1152 smx_simcall_t simcall = SIMIX_simcall_mine();
1154 simcall->call = SIMCALL_COMM_TEST;
1155 simcall->comm_test.comm = comm;
1156 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1157 simcall->comm_test.result = -1;
1159 SIMIX_simcall_push(simcall->issuer);
1160 return simcall->comm_test.result;
1163 * \ingroup simix_comm_management
1166 double simcall_comm_get_remains(smx_action_t comm)
1168 smx_simcall_t simcall = SIMIX_simcall_mine();
1170 simcall->call = SIMCALL_COMM_GET_REMAINS;
1171 simcall->comm_get_remains.comm = comm;
1172 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1173 simcall->comm_get_remains.result = 0.0;
1175 SIMIX_simcall_push(simcall->issuer);
1176 return simcall->comm_get_remains.result;
1179 * \ingroup simix_comm_management
1182 e_smx_state_t simcall_comm_get_state(smx_action_t comm)
1184 smx_simcall_t simcall = SIMIX_simcall_mine();
1186 simcall->call = SIMCALL_COMM_GET_STATE;
1187 simcall->comm_get_state.comm = comm;
1188 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1189 simcall->comm_get_state.result = -1;
1191 SIMIX_simcall_push(simcall->issuer);
1192 return simcall->comm_get_state.result;
1195 * \ingroup simix_comm_management
1198 void *simcall_comm_get_src_data(smx_action_t comm)
1200 smx_simcall_t simcall = SIMIX_simcall_mine();
1202 simcall->call = SIMCALL_COMM_GET_SRC_DATA;
1203 simcall->comm_get_src_data.comm = comm;
1204 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1205 simcall->comm_get_src_data.result = NULL;
1207 SIMIX_simcall_push(simcall->issuer);
1208 return simcall->comm_get_src_data.result;
1211 * \ingroup simix_comm_management
1214 void *simcall_comm_get_dst_data(smx_action_t comm)
1216 smx_simcall_t simcall = SIMIX_simcall_mine();
1218 simcall->call = SIMCALL_COMM_GET_DST_DATA;
1219 simcall->comm_get_dst_data.comm = comm;
1220 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1221 simcall->comm_get_dst_data.result = NULL;
1223 SIMIX_simcall_push(simcall->issuer);
1224 return simcall->comm_get_dst_data.result;
1227 * \ingroup simix_comm_management
1230 smx_process_t simcall_comm_get_src_proc(smx_action_t comm)
1232 smx_simcall_t simcall = SIMIX_simcall_mine();
1234 simcall->call = SIMCALL_COMM_GET_SRC_PROC;
1235 simcall->comm_get_src_proc.comm = comm;
1236 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1237 simcall->comm_get_src_proc.result = NULL;
1239 SIMIX_simcall_push(simcall->issuer);
1240 return simcall->comm_get_src_proc.result;
1243 * \ingroup simix_comm_management
1246 smx_process_t simcall_comm_get_dst_proc(smx_action_t comm)
1248 smx_simcall_t simcall = SIMIX_simcall_mine();
1250 simcall->call = SIMCALL_COMM_GET_DST_PROC;
1251 simcall->comm_get_dst_proc.comm = comm;
1252 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1253 simcall->comm_get_dst_proc.result = NULL;
1255 SIMIX_simcall_push(simcall->issuer);
1256 return simcall->comm_get_dst_proc.result;
1259 #ifdef HAVE_LATENCY_BOUND_TRACKING
1260 int simcall_comm_is_latency_bounded(smx_action_t comm)
1262 smx_simcall_t simcall = SIMIX_simcall_mine();
1264 simcall->call = SIMCALL_COMM_IS_LATENCY_BOUNDED;
1265 simcall->comm_is_latency_bounded.comm = comm;
1266 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1267 simcall->comm_is_latency_bounded.result = -1;
1269 SIMIX_simcall_push(simcall->issuer);
1270 return simcall->comm_is_latency_bounded.result;
1274 * \ingroup simix_synchro_management
1277 smx_mutex_t simcall_mutex_init(void)
1280 fprintf(stderr,"You must run MSG_init or gras_init before using MSG or GRAS\n"); // I would have loved using xbt_die but I can't since it is not initialized yet... :)
1283 smx_simcall_t simcall = SIMIX_simcall_mine();
1285 simcall->call = SIMCALL_MUTEX_INIT;
1286 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1287 simcall->mutex_init.result = NULL;
1289 SIMIX_simcall_push(simcall->issuer);
1290 return simcall->mutex_init.result;
1293 * \ingroup simix_synchro_management
1296 void simcall_mutex_destroy(smx_mutex_t mutex)
1298 smx_simcall_t simcall = SIMIX_simcall_mine();
1300 simcall->call = SIMCALL_MUTEX_DESTROY;
1301 simcall->mutex_destroy.mutex = mutex;
1303 SIMIX_simcall_push(simcall->issuer);
1306 * \ingroup simix_synchro_management
1309 void simcall_mutex_lock(smx_mutex_t mutex)
1311 smx_simcall_t simcall = SIMIX_simcall_mine();
1313 simcall->call = SIMCALL_MUTEX_LOCK;
1314 simcall->mutex_lock.mutex = mutex;
1316 SIMIX_simcall_push(simcall->issuer);
1319 * \ingroup simix_synchro_management
1322 int simcall_mutex_trylock(smx_mutex_t mutex)
1324 smx_simcall_t simcall = SIMIX_simcall_mine();
1326 simcall->call = SIMCALL_MUTEX_TRYLOCK;
1327 simcall->mutex_trylock.mutex = mutex;
1328 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1329 simcall->mutex_trylock.result = -1;
1331 SIMIX_simcall_push(simcall->issuer);
1332 return simcall->mutex_trylock.result;
1335 * \ingroup simix_synchro_management
1338 void simcall_mutex_unlock(smx_mutex_t mutex)
1340 smx_simcall_t simcall = SIMIX_simcall_mine();
1342 simcall->call = SIMCALL_MUTEX_UNLOCK;
1343 simcall->mutex_unlock.mutex = mutex;
1345 SIMIX_simcall_push(simcall->issuer);
1348 * \ingroup simix_synchro_management
1351 smx_cond_t simcall_cond_init(void)
1353 smx_simcall_t simcall = SIMIX_simcall_mine();
1355 simcall->call = SIMCALL_COND_INIT;
1356 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1357 simcall->cond_init.result = NULL;
1359 SIMIX_simcall_push(simcall->issuer);
1360 return simcall->cond_init.result;
1363 * \ingroup simix_synchro_management
1366 void simcall_cond_destroy(smx_cond_t cond)
1368 smx_simcall_t simcall = SIMIX_simcall_mine();
1370 simcall->call = SIMCALL_COND_DESTROY;
1371 simcall->cond_destroy.cond = cond;
1373 SIMIX_simcall_push(simcall->issuer);
1376 * \ingroup simix_synchro_management
1379 void simcall_cond_signal(smx_cond_t cond)
1381 smx_simcall_t simcall = SIMIX_simcall_mine();
1383 simcall->call = SIMCALL_COND_SIGNAL;
1384 simcall->cond_signal.cond = cond;
1386 SIMIX_simcall_push(simcall->issuer);
1389 * \ingroup simix_synchro_management
1392 void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
1394 smx_simcall_t simcall = SIMIX_simcall_mine();
1396 simcall->call = SIMCALL_COND_WAIT;
1397 simcall->cond_wait.cond = cond;
1398 simcall->cond_wait.mutex = mutex;
1400 SIMIX_simcall_push(simcall->issuer);
1403 * \ingroup simix_synchro_management
1406 void simcall_cond_wait_timeout(smx_cond_t cond,
1410 xbt_assert(isfinite(timeout), "timeout is not finite!");
1412 smx_simcall_t simcall = SIMIX_simcall_mine();
1414 simcall->call = SIMCALL_COND_WAIT_TIMEOUT;
1415 simcall->cond_wait_timeout.cond = cond;
1416 simcall->cond_wait_timeout.mutex = mutex;
1417 simcall->cond_wait_timeout.timeout = timeout;
1419 SIMIX_simcall_push(simcall->issuer);
1422 * \ingroup simix_synchro_management
1425 void simcall_cond_broadcast(smx_cond_t cond)
1427 smx_simcall_t simcall = SIMIX_simcall_mine();
1429 simcall->call = SIMCALL_COND_BROADCAST;
1430 simcall->cond_broadcast.cond = cond;
1432 SIMIX_simcall_push(simcall->issuer);
1435 * \ingroup simix_synchro_management
1438 smx_sem_t simcall_sem_init(int capacity)
1440 smx_simcall_t simcall = SIMIX_simcall_mine();
1442 simcall->call = SIMCALL_SEM_INIT;
1443 simcall->sem_init.capacity = capacity;
1444 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1445 simcall->sem_init.result = NULL;
1447 SIMIX_simcall_push(simcall->issuer);
1448 return simcall->sem_init.result;
1451 * \ingroup simix_synchro_management
1454 void simcall_sem_destroy(smx_sem_t sem)
1456 smx_simcall_t simcall = SIMIX_simcall_mine();
1458 simcall->call = SIMCALL_SEM_DESTROY;
1459 simcall->sem_destroy.sem = sem;
1461 SIMIX_simcall_push(simcall->issuer);
1464 * \ingroup simix_synchro_management
1467 void simcall_sem_release(smx_sem_t sem)
1469 smx_simcall_t simcall = SIMIX_simcall_mine();
1471 simcall->call = SIMCALL_SEM_RELEASE;
1472 simcall->sem_release.sem = sem;
1474 SIMIX_simcall_push(simcall->issuer);
1477 * \ingroup simix_synchro_management
1480 int simcall_sem_would_block(smx_sem_t sem)
1482 smx_simcall_t simcall = SIMIX_simcall_mine();
1484 simcall->call = SIMCALL_SEM_WOULD_BLOCK;
1485 simcall->sem_would_block.sem = sem;
1486 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1487 simcall->sem_would_block.result = -1;
1489 SIMIX_simcall_push(simcall->issuer);
1490 return simcall->sem_would_block.result;
1493 * \ingroup simix_synchro_management
1496 void simcall_sem_acquire(smx_sem_t sem)
1498 smx_simcall_t simcall = SIMIX_simcall_mine();
1500 simcall->call = SIMCALL_SEM_ACQUIRE;
1501 simcall->sem_acquire.sem = sem;
1503 SIMIX_simcall_push(simcall->issuer);
1506 * \ingroup simix_synchro_management
1509 void simcall_sem_acquire_timeout(smx_sem_t sem, double timeout)
1511 xbt_assert(isfinite(timeout), "timeout is not finite!");
1513 smx_simcall_t simcall = SIMIX_simcall_mine();
1515 simcall->call = SIMCALL_SEM_ACQUIRE_TIMEOUT;
1516 simcall->sem_acquire_timeout.sem = sem;
1517 simcall->sem_acquire_timeout.timeout = timeout;
1519 SIMIX_simcall_push(simcall->issuer);
1522 * \ingroup simix_synchro_management
1525 int simcall_sem_get_capacity(smx_sem_t sem)
1527 smx_simcall_t simcall = SIMIX_simcall_mine();
1529 simcall->call = SIMCALL_SEM_GET_CAPACITY;
1530 simcall->sem_get_capacity.sem = sem;
1531 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1532 simcall->sem_get_capacity.result = -1;
1534 SIMIX_simcall_push(simcall->issuer);
1535 return simcall->sem_get_capacity.result;
1538 * \ingroup simix_file_management
1541 double simcall_file_read(void* ptr, size_t size, size_t nmemb, smx_file_t stream)
1543 smx_simcall_t simcall = SIMIX_simcall_mine();
1545 simcall->call = SIMCALL_FILE_READ;
1546 simcall->file_read.ptr = ptr;
1547 simcall->file_read.size = size;
1548 simcall->file_read.nmemb = nmemb;
1549 simcall->file_read.stream = stream;
1550 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1551 simcall->file_read.result = 0.0;
1552 SIMIX_simcall_push(simcall->issuer);
1554 return simcall->file_read.result;
1557 * \ingroup simix_file_management
1560 size_t simcall_file_write(const void* ptr, size_t size, size_t nmemb, smx_file_t stream)
1562 smx_simcall_t simcall = SIMIX_simcall_mine();
1564 simcall->call = SIMCALL_FILE_WRITE;
1565 simcall->file_write.ptr = ptr;
1566 simcall->file_write.size = size;
1567 simcall->file_write.nmemb = nmemb;
1568 simcall->file_write.stream = stream;
1569 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1570 simcall->file_write.result = 0;
1571 SIMIX_simcall_push(simcall->issuer);
1573 return simcall->file_write.result;
1576 * \ingroup simix_file_management
1579 smx_file_t simcall_file_open(const char* mount, const char* path, const char* mode)
1581 smx_simcall_t simcall = SIMIX_simcall_mine();
1583 simcall->call = SIMCALL_FILE_OPEN;
1584 simcall->file_open.mount = mount;
1585 simcall->file_open.path = path;
1586 simcall->file_open.mode = mode;
1587 if(MC_IS_ENABLED) /* Initialize result to NULL for snapshot comparison done during simcall */
1588 simcall->file_open.result = NULL;
1589 SIMIX_simcall_push(simcall->issuer);
1591 return simcall->file_open.result;
1594 * \ingroup simix_file_management
1597 int simcall_file_close(smx_file_t fp)
1599 smx_simcall_t simcall = SIMIX_simcall_mine();
1601 simcall->call = SIMCALL_FILE_CLOSE;
1602 simcall->file_close.fp = fp;
1603 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1604 simcall->file_close.result = -1;
1605 SIMIX_simcall_push(simcall->issuer);
1607 return simcall->file_close.result;
1610 * \ingroup simix_file_management
1613 int simcall_file_stat(smx_file_t fd, s_file_stat_t *buf)
1615 smx_simcall_t simcall = SIMIX_simcall_mine();
1616 simcall->call = SIMCALL_FILE_STAT;
1617 simcall->file_stat.fd = fd;
1618 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1619 simcall->file_stat.result = -1;
1621 SIMIX_simcall_push(simcall->issuer);
1623 *buf = simcall->file_stat.buf;
1625 return simcall->file_stat.result;
1629 * \ingroup simix_file_management
1632 int simcall_file_unlink(smx_file_t fd)
1634 smx_simcall_t simcall = SIMIX_simcall_mine();
1635 simcall->call = SIMCALL_FILE_UNLINK;
1636 simcall->file_unlink.fd = fd;
1637 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1638 simcall->file_unlink.result = -1;
1640 SIMIX_simcall_push(simcall->issuer);
1642 return simcall->file_unlink.result;
1646 * \ingroup simix_file_management
1649 xbt_dict_t simcall_file_ls(const char* mount, const char* path)
1651 smx_simcall_t simcall = SIMIX_simcall_mine();
1652 simcall->call = SIMCALL_FILE_LS;
1653 simcall->file_ls.mount = mount;
1654 simcall->file_ls.path = path;
1655 if(MC_IS_ENABLED) /* Initialize result to a default value for snapshot comparison done during simcall */
1656 simcall->file_ls.result = NULL;
1658 SIMIX_simcall_push(simcall->issuer);
1660 return simcall->file_ls.result;
1663 /* ************************************************************************** */
1665 /** @brief returns a printable string representing a simcall */
1666 const char *SIMIX_simcall_name(e_smx_simcall_t kind) {
1667 return simcall_names[kind];