include/simgrid/simix.h

   1 /* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #ifndef _SIMIX_SIMIX_H
   8 #define _SIMIX_SIMIX_H
   9
  10 #include "xbt/misc.h"
  11 #include "xbt/fifo.h"
  12 #include "xbt/dict.h"
  13 #include "xbt/function_types.h"
  14 #include "xbt/parmap.h"
  15 #include "xbt/swag.h"
  16 #include "simgrid/datatypes.h"
  17 #include "simgrid/host.h"
  18
  19
  20 #ifdef __cplusplus
  21
  22 namespace simgrid {
  23 namespace simix {
  24   class Context;
  25   class ContextFactory;
  26 }
  27 }
  28
  29 typedef simgrid::simix::Context *smx_context_t;
  30
  31 #else
  32
  33 typedef struct s_smx_context *smx_context_t;
  34
  35 #endif
  36
  37
  38
  39 SG_BEGIN_DECL()
  40
  41 /**************************** Scalar Values **********************************/
  42
  43 typedef union u_smx_scalar u_smx_scalar_t;
  44
  45 /* ******************************** Host ************************************ */
  46 /** @brief Host datatype
  47     @ingroup simix_host_management
  48
  49     A <em>location</em> (or <em>host</em>) is any possible place where
  50     a process may run. Thus it is represented as a <em>physical
  51     resource with computing capabilities</em>, some <em>mailboxes</em>
  52     to enable running process to communicate with remote ones, and
  53     some <em>private data</em> that can be only accessed by local
  54     process.
  55
  56     \see m_host_management
  57   @{ */
  58 typedef enum {
  59   SIMIX_WAITING,
  60   SIMIX_READY,
  61   SIMIX_RUNNING,
  62   SIMIX_DONE,
  63   SIMIX_CANCELED,
  64   SIMIX_FAILED,
  65   SIMIX_SRC_HOST_FAILURE,
  66   SIMIX_DST_HOST_FAILURE,
  67   SIMIX_SRC_TIMEOUT,
  68   SIMIX_DST_TIMEOUT,
  69   SIMIX_LINK_FAILURE
  70 } e_smx_state_t;
  71 /** @} */
  72
  73 /* ******************************** Synchro ************************************ */
  74 /**
  75  * \ingroup simix_synchro_management
  76  */
  77 typedef struct s_smx_mutex *smx_mutex_t;
  78 /**
  79  * \ingroup simix_synchro_management
  80  */
  81 typedef struct s_smx_cond *smx_cond_t;
  82 /**
  83  * \ingroup simix_synchro_management
  84  */
  85 typedef struct s_smx_sem *smx_sem_t;
  86
  87 /********************************** File *************************************/
  88 typedef struct s_smx_file *smx_file_t;
  89
  90 /********************************** Storage *************************************/
  91 typedef xbt_dictelm_t smx_storage_t;
  92 typedef struct s_smx_storage_priv *smx_storage_priv_t;
  93
  94 /* ****************************** Process *********************************** */
  95 /** @brief Process datatype
  96     @ingroup simix_process_management
  97
  98     A process may be defined as a <em>code</em>, with some <em>private
  99     data</em>, executing in a <em>location</em>.
 100     \see m_process_management
 101   @{ */
 102 typedef struct s_smx_process *smx_process_t;
 103 typedef enum {
 104   SMX_EXIT_SUCCESS = 0,
 105   SMX_EXIT_FAILURE = 1
 106 } smx_process_exit_status_t;
 107 /** @} */
 108
 109
 110 /*
 111  * Type of function that creates a process.
 112  * The function must accept the following parameters:
 113  * void* process: the process created will be stored there
 114  * const char *name: a name for the object. It is for user-level information and can be NULL
 115  * xbt_main_func_t code: is a function describing the behavior of the process
 116  * void *data: data a pointer to any data one may want to attach to the new object.
 117  * sg_host_t host: the location where the new process is executed
 118  * int argc, char **argv: parameters passed to code
 119  * xbt_dict_t pros: properties
 120  */
 121 typedef smx_process_t (*smx_creation_func_t) (
 122                                       /* name */ const char*,
 123                                       /* code */ xbt_main_func_t,
 124                                       /* userdata */ void*,
 125                                       /* hostname */ const char*,
 126                                       /* kill_time */ double,
 127                                       /* argc */ int,
 128                                       /* argv */ char**,
 129                                       /* props */ xbt_dict_t,
 130                                       /* auto_restart */ int,
 131                                       /* parent_process */ smx_process_t);
 132
 133
 134 /******************************* Networking ***********************************/
 135 /**
 136  * \ingroup simix_mbox_management
 137  */
 138 typedef struct s_smx_mailbox *smx_mailbox_t;
 139
 140 XBT_PUBLIC(void*) SIMIX_comm_get_src_data(smx_synchro_t synchro);
 141 XBT_PUBLIC(void*) SIMIX_comm_get_dst_data(smx_synchro_t synchro);
 142
 143 /* Process creation/destruction callbacks */
 144 typedef void (*void_pfn_smxprocess_t) (smx_process_t);
 145 /* for auto-restart function */
 146 typedef void (*void_pfn_sghost_t) (sg_host_t);
 147
 148 extern int smx_context_stack_size;
 149 extern int smx_context_stack_size_was_set;
 150 extern int smx_context_guard_size;
 151 extern int smx_context_guard_size_was_set;
 152
 153 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable(void);
 154 XBT_PUBLIC(smx_process_t) SIMIX_process_from_PID(int PID);
 155 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar(void);
 156
 157 /* parallelism */
 158 XBT_PUBLIC(int) SIMIX_context_is_parallel(void);
 159 XBT_PUBLIC(int) SIMIX_context_get_nthreads(void);
 160 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
 161 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold(void);
 162 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
 163 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode(void);
 164 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
 165 XBT_PUBLIC(int) SIMIX_is_maestro();
 166
 167
 168 /********************************** Global ************************************/
 169 /* Initialization and exit */
 170 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
 171
 172 /* Set to execute in the maestro
 173  *
 174  * If no maestro code is registered (the default), the main thread
 175  * is assumed to be the maestro. */
 176 XBT_PUBLIC(void) SIMIX_set_maestro(void (*code)(void*), void* data);
 177
 178 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
 179 XBT_PUBLIC(void) SIMIX_function_register_process_create(smx_creation_func_t function);
 180 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t function);
 181
 182 /* Simulation execution */
 183 XBT_PUBLIC(void) SIMIX_run(void);
 184 XBT_PUBLIC(double) SIMIX_get_clock(void);
 185
 186 /* Timer functions FIXME: should these be public? */
 187 typedef struct s_smx_timer* smx_timer_t;
 188
 189 XBT_PUBLIC(smx_timer_t) SIMIX_timer_set(double date, void (*function)(void*), void *arg);
 190 XBT_PUBLIC(void) SIMIX_timer_remove(smx_timer_t timer);
 191 XBT_PUBLIC(double) SIMIX_timer_next(void);
 192 XBT_PUBLIC(double) SIMIX_timer_get_date(smx_timer_t timer);
 193
 194 XBT_PUBLIC(void) SIMIX_display_process_status(void);
 195
 196 /******************************* Environment **********************************/
 197 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
 198
 199 /******************************** Deployment **********************************/
 200
 201 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
 202 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
 203 XBT_PUBLIC(xbt_main_func_t) SIMIX_get_registered_function(const char *name);
 204 XBT_PUBLIC(void) SIMIX_init_application(void);
 205 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
 206
 207 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
 208                                             const char *process_function,
 209                                             xbt_dynar_t arguments,
 210                                             double process_start_time,
 211                                             double process_kill_time);
 212
 213 /*********************************** Host *************************************/
 214 /* Functions for running a process in main()
 215  *
 216  *  1. create the maestro process
 217  *  2. attach (create a context and wait for maestro to give control back to you)
 218  *  3. do you process job
 219  *  4. detach (this waits for the simulation to terminate)
 220  */
 221
 222 XBT_PUBLIC(void) SIMIX_maestro_create(void (*code)(void*), void* data);
 223 XBT_PUBLIC(smx_process_t) SIMIX_process_attach(
 224   const char* name,
 225   void *data,
 226   const char* hostname,
 227   xbt_dict_t properties,
 228   smx_process_t parent_process);
 229 XBT_PUBLIC(void) SIMIX_process_detach(void);
 230
 231 /*********************************** Host *************************************/
 232 XBT_PUBLIC(sg_host_t) SIMIX_host_self(void);
 233 XBT_PUBLIC(const char*) SIMIX_host_self_get_name(void);
 234 XBT_PUBLIC(void) SIMIX_host_on(sg_host_t host);
 235 XBT_PUBLIC(void) SIMIX_host_off(sg_host_t host, smx_process_t issuer);
 236 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
 237 XBT_PUBLIC(void*) SIMIX_host_self_get_data(void);
 238
 239 /********************************* Process ************************************/
 240 XBT_PUBLIC(int) SIMIX_process_count(void);
 241 XBT_PUBLIC(smx_process_t) SIMIX_process_self(void);
 242 XBT_PUBLIC(const char*) SIMIX_process_self_get_name(void);
 243 XBT_PUBLIC(void) SIMIX_process_self_set_data(void *data);
 244 XBT_PUBLIC(void*) SIMIX_process_self_get_data(void);
 245 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_process_t);
 246 XBT_PUBLIC(void) SIMIX_process_set_context(smx_process_t p,smx_context_t c);
 247 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_process_t process);
 248 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_process_t process);
 249 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data);
 250 XBT_PUBLIC(xbt_main_func_t) SIMIX_process_get_code(void);
 251
 252 /****************************** Communication *********************************/
 253 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_synchro_t, void*, size_t));
 254 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_synchro_t comm, void* buff, size_t buff_size);
 255 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_synchro_t comm, void* buff, size_t buff_size);
 256
 257 XBT_PUBLIC(smx_synchro_t) SIMIX_comm_get_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
 258 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
 259 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_mailbox_t mbox, int (*match_fun)(void*, void*), void* data);
 260 XBT_PUBLIC(void) SIMIX_comm_finish(smx_synchro_t synchro);
 261
 262 /******************************************************************************/
 263 /*                            SIMIX simcalls                                  */
 264 /******************************************************************************/
 265 /* These functions are a system call-like interface to the simulation kernel. */
 266 /* They can also be called from maestro's context, and they are thread safe.  */
 267 /******************************************************************************/
 268
 269 XBT_PUBLIC(void) simcall_call(smx_process_t process);
 270
 271 /******************************* Host simcalls ********************************/
 272 XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
 273
 274 XBT_PUBLIC(smx_synchro_t) simcall_execution_start(const char *name,
 275                                                 double flops_amount,
 276                                                 double priority, double bound, unsigned long affinity_mask);
 277 XBT_PUBLIC(smx_synchro_t) simcall_execution_parallel_start(const char *name,
 278                                                      int host_nb,
 279                                                      sg_host_t *host_list,
 280                                                      double *flops_amount,
 281                                                      double *bytes_amount,
 282                                                      double amount,
 283                                                      double rate);
 284 XBT_PUBLIC(void) simcall_execution_destroy(smx_synchro_t execution);
 285 XBT_PUBLIC(void) simcall_execution_cancel(smx_synchro_t execution);
 286 XBT_PUBLIC(void) simcall_execution_set_priority(smx_synchro_t execution, double priority);
 287 XBT_PUBLIC(void) simcall_execution_set_bound(smx_synchro_t execution, double bound);
 288 XBT_PUBLIC(void) simcall_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask);
 289 XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_synchro_t execution);
 290
 291 /******************************* VM simcalls ********************************/
 292 // Create the vm_workstation at the SURF level
 293 XBT_PUBLIC(void*) simcall_vm_create(const char *name, sg_host_t host);
 294 XBT_PUBLIC(int) simcall_vm_get_state(sg_host_t vm);
 295 XBT_PUBLIC(void) simcall_vm_start(sg_host_t vm);
 296 XBT_PUBLIC(void) simcall_vm_migrate(sg_host_t vm, sg_host_t dst_pm);
 297 XBT_PUBLIC(void *) simcall_vm_get_pm(sg_host_t vm);
 298 XBT_PUBLIC(void) simcall_vm_set_bound(sg_host_t vm, double bound);
 299 XBT_PUBLIC(void) simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask);
 300 XBT_PUBLIC(void) simcall_vm_resume(sg_host_t vm);
 301 XBT_PUBLIC(void) simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm);
 302 XBT_PUBLIC(void) simcall_vm_save(sg_host_t vm);
 303 XBT_PUBLIC(void) simcall_vm_restore(sg_host_t vm);
 304 XBT_PUBLIC(void) simcall_vm_suspend(sg_host_t vm);
 305 XBT_PUBLIC(void) simcall_vm_destroy(sg_host_t vm);
 306 XBT_PUBLIC(void) simcall_vm_shutdown(sg_host_t vm);
 307
 308 /**************************** Process simcalls ********************************/
 309 /* Constructor and Destructor */
 310 XBT_PUBLIC(smx_process_t) simcall_process_create(const char *name,
 311                                           xbt_main_func_t code,
 312                                           void *data,
 313                                           const char *hostname,
 314                                           double kill_time,
 315                                           int argc, char **argv,
 316                                           xbt_dict_t properties,
 317                                           int auto_restart);
 318
 319 XBT_PUBLIC(void) simcall_process_kill(smx_process_t process);
 320 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
 321 XBT_PUBLIC(void) SIMIX_process_throw(smx_process_t process, xbt_errcat_t cat, int value, const char *msg);
 322
 323
 324 /* Process handling */
 325 XBT_PUBLIC(void) simcall_process_cleanup(smx_process_t process);
 326 XBT_PUBLIC(void) simcall_process_suspend(smx_process_t process);
 327 XBT_PUBLIC(void) simcall_process_resume(smx_process_t process);
 328
 329 /* Getters and Setters */
 330 XBT_PUBLIC(int) simcall_process_count(void);
 331 XBT_PUBLIC(void *) simcall_process_get_data(smx_process_t process);
 332 XBT_PUBLIC(void) simcall_process_set_data(smx_process_t process, void *data);
 333 XBT_PUBLIC(void) simcall_process_set_host(smx_process_t process, sg_host_t dest);
 334 XBT_PUBLIC(sg_host_t) simcall_process_get_host(smx_process_t process);
 335 XBT_PUBLIC(const char *) simcall_process_get_name(smx_process_t process);
 336 XBT_PUBLIC(int) simcall_process_get_PID(smx_process_t process);
 337 XBT_PUBLIC(int) simcall_process_get_PPID(smx_process_t process);
 338 XBT_PUBLIC(int) simcall_process_is_suspended(smx_process_t process);
 339 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_process_t host);
 340 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_process_t process, double kill_time);
 341 XBT_PUBLIC(double) simcall_process_get_kill_time(smx_process_t process);
 342 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_pvoid_t fun, void *data);
 343 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart);
 344 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process);
 345 XBT_PUBLIC(void) simcall_process_join(smx_process_t process, double timeout);
 346 /* Sleep control */
 347 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
 348
 349 /************************** Comunication simcalls *****************************/
 350 /***** Rendez-vous points *****/
 351
 352 XBT_PUBLIC(smx_mailbox_t) simcall_mbox_create(const char *name);
 353 XBT_PUBLIC(smx_mailbox_t) simcall_mbox_get_by_name(const char *name);
 354 XBT_PUBLIC(smx_synchro_t) simcall_mbox_get_head(smx_mailbox_t mbox);
 355 XBT_PUBLIC(smx_process_t) simcall_mbox_get_receiver(smx_mailbox_t mbox);
 356 XBT_PUBLIC(void) simcall_mbox_set_receiver(smx_mailbox_t mbox , smx_process_t process);
 357
 358 /***** Communication simcalls *****/
 359
 360 XBT_PUBLIC(void) simcall_comm_send(smx_process_t sender, smx_mailbox_t mbox, double task_size,
 361                                      double rate, void *src_buff,
 362                                      size_t src_buff_size,
 363                                      int (*match_fun)(void *, void *, smx_synchro_t),
 364                                      void (*copy_data_fun)(smx_synchro_t, void*, size_t),
 365                                      void *data, double timeout);
 366
 367 XBT_PUBLIC(smx_synchro_t) simcall_comm_isend(smx_process_t sender, smx_mailbox_t mbox,
 368                                               double task_size,
 369                                               double rate, void *src_buff,
 370                                               size_t src_buff_size,
 371                                               int (*match_fun)(void *, void *, smx_synchro_t),
 372                                               void (*clean_fun)(void *),
 373                                               void (*copy_data_fun)(smx_synchro_t, void*, size_t),
 374                                               void *data, int detached);
 375
 376 XBT_PUBLIC(void) simcall_comm_recv(smx_process_t receiver, smx_mailbox_t mbox, void *dst_buff,
 377                                    size_t * dst_buff_size,
 378                                    int (*match_fun)(void *, void *, smx_synchro_t),
 379                                    void (*copy_data_fun)(smx_synchro_t, void*, size_t),
 380                                    void *data, double timeout, double rate);
 381
 382 XBT_PUBLIC(smx_synchro_t) simcall_comm_irecv(smx_process_t receiver, smx_mailbox_t mbox, void *dst_buff,
 383                                             size_t * dst_buff_size,
 384                                             int (*match_fun)(void *, void *, smx_synchro_t),
 385                                             void (*copy_data_fun)(smx_synchro_t, void*, size_t),
 386                                             void *data, double rate);
 387
 388 XBT_PUBLIC(smx_synchro_t) simcall_comm_iprobe(smx_mailbox_t mbox, int type, int src, int tag,
 389                                 int (*match_fun)(void *, void *, smx_synchro_t), void *data);
 390 XBT_PUBLIC(void) simcall_comm_cancel(smx_synchro_t comm);
 391
 392 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
 393 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms);
 394 XBT_PUBLIC(void) simcall_comm_wait(smx_synchro_t comm, double timeout);
 395 XBT_PUBLIC(int) simcall_comm_test(smx_synchro_t comm);
 396 XBT_PUBLIC(int) simcall_comm_testany(xbt_dynar_t comms);
 397
 398 /* Getters and setters */
 399 XBT_PUBLIC(void *) simcall_comm_get_src_data(smx_synchro_t comm);
 400 XBT_PUBLIC(void *) simcall_comm_get_dst_data(smx_synchro_t comm);
 401 XBT_PUBLIC(smx_process_t) simcall_comm_get_src_proc(smx_synchro_t comm);
 402 XBT_PUBLIC(smx_process_t) simcall_comm_get_dst_proc(smx_synchro_t comm);
 403
 404 /************************** Tracing handling **********************************/
 405 XBT_PUBLIC(void) simcall_set_category(smx_synchro_t synchro, const char *category);
 406
 407 /************************** Synchro simcalls **********************************/
 408 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init(void);
 409 XBT_PUBLIC(void) SIMIX_mutex_destroy(smx_mutex_t mutex);
 410 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
 411 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
 412 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
 413
 414 XBT_PUBLIC(smx_cond_t) simcall_cond_init(void);
 415 XBT_PUBLIC(void) SIMIX_cond_destroy(smx_cond_t cond);
 416 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
 417 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
 418 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond,
 419                                          smx_mutex_t mutex,
 420                                          double max_duration);
 421 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
 422
 423 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
 424 XBT_PUBLIC(void) SIMIX_sem_destroy(smx_sem_t sem);
 425 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
 426 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
 427 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
 428 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem,
 429                                              double max_duration);
 430 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
 431
 432 /*****************************   File   **********************************/
 433 XBT_PUBLIC(void *) simcall_file_get_data(smx_file_t fd);
 434 XBT_PUBLIC(void) simcall_file_set_data(smx_file_t fd, void *data);
 435 XBT_PUBLIC(sg_size_t) simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host);
 436 XBT_PUBLIC(sg_size_t) simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host);
 437 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* fullpath, sg_host_t host);
 438 XBT_PUBLIC(int) simcall_file_close(smx_file_t fd, sg_host_t host);
 439 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd, sg_host_t host);
 440 XBT_PUBLIC(sg_size_t) simcall_file_get_size(smx_file_t fd);
 441 XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
 442 XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
 443 XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_offset_t offset, int origin);
 444 XBT_PUBLIC(int) simcall_file_move(smx_file_t fd, const char* fullpath);
 445 /*****************************   Storage   **********************************/
 446 XBT_PUBLIC(sg_size_t) simcall_storage_get_free_size (smx_storage_t storage);
 447 XBT_PUBLIC(sg_size_t) simcall_storage_get_used_size (smx_storage_t storage);
 448 XBT_PUBLIC(xbt_dict_t) simcall_storage_get_properties(smx_storage_t storage);
 449 XBT_PUBLIC(void*) SIMIX_storage_get_data(smx_storage_t storage);
 450 XBT_PUBLIC(void) SIMIX_storage_set_data(smx_storage_t storage, void *data);
 451 XBT_PUBLIC(xbt_dict_t) SIMIX_storage_get_content(smx_storage_t storage);
 452 XBT_PUBLIC(xbt_dict_t) simcall_storage_get_content(smx_storage_t storage);
 453 XBT_PUBLIC(const char*) SIMIX_storage_get_name(smx_storage_t storage);
 454 XBT_PUBLIC(sg_size_t) SIMIX_storage_get_size(smx_storage_t storage);
 455 XBT_PUBLIC(const char*) SIMIX_storage_get_host(smx_storage_t storage);
 456 /************************** AS router   **********************************/
 457 XBT_PUBLIC(xbt_dict_t) SIMIX_asr_get_properties(const char *name);
 458 /************************** AS router simcalls ***************************/
 459 XBT_PUBLIC(xbt_dict_t) simcall_asr_get_properties(const char *name);
 460
 461 /************************** MC simcalls   **********************************/
 462 XBT_PUBLIC(int) simcall_mc_random(int min, int max);
 463
 464 SG_END_DECL()
 465 #endif                          /* _SIMIX_SIMIX_H */