src/simix/smx_user.c

   1 #include "private.h"
   2
   3 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
   4 /**
   5  * \brief Returns a host given its name.
   6  *
   7  * \param name The name of the host to get
   8  * \return The corresponding host
   9  */
  10 smx_host_t SIMIX_req_host_get_by_name(const char *name)
  11 {
  12   s_smx_req_t req;
  13
  14   req.call = REQ_HOST_GET_BY_NAME;
  15   req.host_get_by_name.name = name;
  16   SIMIX_request_push(&req);
  17   return req.host_get_by_name.result;
  18 }
  19
  20 /**
  21  * \brief Returns the name of a host.
  22  *
  23  * \param host A SIMIX host
  24  * \return The name of this host
  25  */
  26 const char* SIMIX_req_host_get_name(smx_host_t host)
  27 {
  28   s_smx_req_t req;
  29
  30   req.call = REQ_HOST_GET_NAME;
  31   req.host_get_name.host = host;
  32   SIMIX_request_push(&req);
  33   return req.host_get_name.result;
  34 }
  35
  36 /**
  37  * \brief Returns a dict of the properties assigned to a host.
  38  *
  39  * \param host A host
  40  * \return The properties of this host
  41  */
  42 xbt_dict_t SIMIX_req_host_get_properties(smx_host_t host)
  43 {
  44   s_smx_req_t req;
  45
  46   req.call = REQ_HOST_GET_PROPERTIES;
  47   req.host_get_properties.host = host;
  48   SIMIX_request_push(&req);
  49   return req.host_get_properties.result;
  50 }
  51
  52 /**
  53  * \brief Returns the speed of the processor.
  54  *
  55  * The speed returned does not take into account the current load on the machine.
  56  * \param host A SIMIX host
  57  * \return The speed of this host (in Mflop/s)
  58  */
  59 double SIMIX_req_host_get_speed(smx_host_t host)
  60 {
  61   s_smx_req_t req;
  62
  63   req.call = REQ_HOST_GET_SPEED;
  64   req.host_get_speed.host = host;
  65   SIMIX_request_push(&req);
  66   return req.host_get_speed.result;
  67 }
  68
  69 /**
  70  * \brief Returns the available speed of the processor.
  71  *
  72  * \return Speed currently available (in Mflop/s)
  73  */
  74 double SIMIX_req_host_get_available_speed(smx_host_t host)
  75 {
  76   s_smx_req_t req;
  77
  78   req.call = REQ_HOST_GET_AVAILABLE_SPEED;
  79   req.host_get_available_speed.host = host;
  80   SIMIX_request_push(&req);
  81   return req.host_get_available_speed.result;
  82 }
  83
  84 /**
  85  * \brief Returns the state of a host.
  86  *
  87  * Two states are possible: 1 if the host is active or 0 if it has crashed.
  88  * \param host A SIMIX host
  89  * \return 1 if the host is available, 0 otherwise
  90  */
  91 int SIMIX_req_host_get_state(smx_host_t host)
  92 {
  93   s_smx_req_t req;
  94
  95   req.call = REQ_HOST_GET_STATE;
  96   req.host_get_state.host = host;
  97   SIMIX_request_push(&req);
  98   return req.host_get_state.result;
  99 }
 100
 101 /**
 102  * \brief Returns the user data associated to a host.
 103  *
 104  * \param host SIMIX host
 105  * \return the user data of this host
 106  */
 107 void* SIMIX_req_host_get_data(smx_host_t host)
 108 {
 109   s_smx_req_t req;
 110
 111   req.call = REQ_HOST_GET_DATA;
 112   req.host_get_data.host = host;
 113   SIMIX_request_push(&req);
 114   return req.host_get_data.result;
 115 }
 116
 117 /**
 118  * \brief Sets the user data associated to a host.
 119  *
 120  * The host must not have previous user data associated to it.
 121  * \param A host SIMIX host
 122  * \param data The user data to set
 123  */
 124 void SIMIX_req_host_set_data(smx_host_t host, void *data)
 125 {
 126   s_smx_req_t req;
 127
 128   req.call = REQ_HOST_SET_DATA;
 129   req.host_set_data.host = host;
 130   req.host_set_data.data = data;
 131   SIMIX_request_push(&req);
 132 }
 133
 134 /** \brief Creates an action that executes some computation of an host.
 135  *
 136  * This function creates a SURF action and allocates the data necessary
 137  * to create the SIMIX action. It can raise a host_error exception if the host crashed.
 138  *
 139  * \param name Name of the execution action to create
 140  * \param host SIMIX host where the action will be executed
 141  * \param amount Computation amount (in bytes)
 142  * \return A new SIMIX execution action
 143  */
 144 smx_action_t SIMIX_req_host_execute(const char *name, smx_host_t host,
 145                                 double computation_amount)
 146 {
 147   s_smx_req_t req;
 148
 149   req.call = REQ_HOST_EXECUTE;
 150   req.host_execute.name = name;
 151   req.host_execute.host = host;
 152   req.host_execute.computation_amount = computation_amount;
 153   SIMIX_request_push(&req);
 154   return req.host_execute.result;
 155 }
 156
 157 /** \brief Creates an action that may involve parallel computation on
 158  * several hosts and communication between them.
 159  *
 160  * \param name Name of the execution action to create
 161  * \param host_nb Number of hosts where the action will be executed
 162  * \param host_list Array (of size host_nb) of hosts where the action will be executed
 163  * \param computation_amount Array (of size host_nb) of computation amount of hosts (in bytes)
 164  * \param communication_amount Array (of size host_nb * host_nb) representing the communication
 165  * amount between each pair of hosts
 166  * \param amount the SURF action amount
 167  * \param rate the SURF action rate
 168  * \return A new SIMIX execution action
 169  */
 170 smx_action_t SIMIX_req_host_parallel_execute(const char *name,
 171                                          int host_nb,
 172                                          smx_host_t *host_list,
 173                                          double *computation_amount,
 174                                          double *communication_amount,
 175                                          double amount,
 176                                          double rate)
 177 {
 178   s_smx_req_t req;
 179
 180   req.call = REQ_HOST_PARALLEL_EXECUTE;
 181   req.host_parallel_execute.name = name;
 182   req.host_parallel_execute.host_nb = host_nb;
 183   req.host_parallel_execute.host_list = host_list;
 184   req.host_parallel_execute.computation_amount = computation_amount;
 185   req.host_parallel_execute.communication_amount = communication_amount;
 186   req.host_parallel_execute.amount = amount;
 187   req.host_parallel_execute.rate = rate;
 188   SIMIX_request_push(&req);
 189   return req.host_parallel_execute.result;
 190 }
 191
 192 /**
 193  * \brief Destroys an execution action.
 194  *
 195  * Destroys an action, freing its memory. This function cannot be called if there are a conditional waiting for it.
 196  * \param action The execution action to destroy
 197  */
 198 void SIMIX_req_host_execution_destroy(smx_action_t execution)
 199 {
 200   s_smx_req_t req;
 201
 202   req.call = REQ_HOST_EXECUTION_DESTROY;
 203   req.host_execution_destroy.execution = execution;
 204   SIMIX_request_push(&req);
 205 }
 206
 207 /**
 208  * \brief Cancels an execution action.
 209  *
 210  * This functions stops the execution. It calls a surf function.
 211  * \param action The execution action to cancel
 212  */
 213 void SIMIX_req_host_execution_cancel(smx_action_t execution)
 214 {
 215   s_smx_req_t req;
 216
 217   req.call = REQ_HOST_EXECUTION_CANCEL;
 218   req.host_execution_cancel.execution = execution;
 219   SIMIX_request_push(&req);
 220 }
 221
 222 /**
 223  * \brief Returns how much of an execution action remains to be done.
 224  *
 225  * \param Action The execution action
 226  * \return The remaining amount
 227  */
 228 double SIMIX_req_host_execution_get_remains(smx_action_t execution)
 229 {
 230   s_smx_req_t req;
 231
 232   req.call = REQ_HOST_EXECUTION_GET_REMAINS;
 233   req.host_execution_get_remains.execution = execution;
 234   SIMIX_request_push(&req);
 235   return req.host_execution_get_remains.result;
 236 }
 237
 238 /**
 239  * \brief Returns the state of an execution action.
 240  *
 241  * \param execution The execution action
 242  * \return The state
 243  */
 244 e_smx_state_t SIMIX_req_host_execution_get_state(smx_action_t execution)
 245 {
 246   s_smx_req_t req;
 247
 248   req.call = REQ_HOST_EXECUTION_GET_STATE;
 249   req.host_execution_get_state.execution = execution;
 250   SIMIX_request_push(&req);
 251   return req.host_execution_get_state.result;
 252 }
 253
 254 /**
 255  * \brief Changes the priority of an execution action.
 256  *
 257  * This functions changes the priority only. It calls a surf function.
 258  * \param execution The execution action
 259  * \param priority The new priority
 260  */
 261 void SIMIX_req_host_execution_set_priority(smx_action_t execution, double priority)
 262 {
 263   s_smx_req_t req;
 264
 265   req.call = REQ_HOST_EXECUTION_SET_PRIORITY;
 266   req.host_execution_set_priority.execution = execution;
 267   req.host_execution_set_priority.priority = priority;
 268   SIMIX_request_push(&req);
 269 }
 270
 271 /**
 272  * \brief Waits for the completion of an execution action.
 273  *
 274  * \param execution The execution action
 275  */
 276 void SIMIX_req_host_execution_wait(smx_action_t execution)
 277 {
 278   s_smx_req_t req;
 279
 280   req.call = REQ_HOST_EXECUTION_WAIT;
 281   req.host_execution_wait.execution = execution;
 282   SIMIX_request_push(&req);
 283 }
 284
 285 /**
 286  * \brief Creates and runs a new SIMIX process.
 287  *
 288  * The structure and the corresponding threada are created and put in the list of ready processes.
 289  *
 290  * \param name a name for the process. It is for user-level information and can be NULL.
 291  * \param code the main function of the process
 292  * \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.
 293  * It can be retrieved with the function \ref SIMIX_req_process_get_data.
 294  * \param hostname name of the host where the new agent is executed.
 295  * \param argc first argument passed to \a code
 296  * \param argv second argument passed to \a code
 297  * \param properties the properties of the process
 298  * \return The new process
 299  */
 300 smx_process_t SIMIX_req_process_create(const char *name,
 301                                    xbt_main_func_t code,
 302                                    void *data,
 303                                    const char *hostname,
 304                                    int argc, char **argv,
 305                                    xbt_dict_t properties)
 306 {
 307   s_smx_req_t req;
 308
 309   req.call = REQ_PROCESS_CREATE;
 310   req.process_create.name = name;
 311   req.process_create.code = code;
 312   req.process_create.data = data;
 313   req.process_create.hostname = hostname;
 314   req.process_create.argc = argc;
 315   req.process_create.argv = argv;
 316   req.process_create.properties = properties;
 317   SIMIX_request_push(&req);
 318   return req.process_create.result;
 319 }
 320
 321 /** \brief Kills a SIMIX process.
 322  *
 323  * This function simply kills a  process.
 324  *
 325  * \param process poor victim
 326  */
 327 void SIMIX_req_process_kill(smx_process_t process)
 328 {
 329   s_smx_req_t req;
 330
 331   req.call = REQ_PROCESS_KILL;
 332   req.process_kill.process = process;
 333   SIMIX_request_push(&req);
 334 }
 335
 336 /**
 337  * \brief Migrates an agent to another location.
 338  *
 339  * This function changes the value of the host on which \a process is running.
 340  *
 341  * \param process the process to migrate
 342  * \param source name of the previous host
 343  * \param dest name of the new host
 344  */
 345 void SIMIX_req_process_change_host(smx_process_t process, const char *source, const char *dest)
 346 {
 347   s_smx_req_t req;
 348
 349   req.call = REQ_PROCESS_CHANGE_HOST;
 350   req.process_change_host.process = process;
 351   req.process_change_host.source = source;
 352   req.process_change_host.dest = dest;
 353   SIMIX_request_push(&req);
 354 }
 355
 356 /**
 357  * \brief Suspends a process.
 358  *
 359  * This function suspends the process by suspending the action
 360  * it was waiting for completion.
 361  *
 362  * \param process a SIMIX process
 363  */
 364 void SIMIX_req_process_suspend(smx_process_t process)
 365 {
 366   s_smx_req_t req;
 367
 368   req.call = REQ_PROCESS_SUSPEND;
 369   req.process_suspend.process = process;
 370   SIMIX_request_push(&req);
 371 }
 372
 373 /**
 374  * \brief Resumes a suspended process.
 375  *
 376  * This function resumes a suspended process by resuming the action
 377  * it was waiting for completion.
 378  *
 379  * \param process a SIMIX process
 380  */
 381 void SIMIX_req_process_resume(smx_process_t process)
 382 {
 383   s_smx_req_t req;
 384
 385   req.call = REQ_PROCESS_RESUME;
 386   req.process_resume.process = process;
 387   SIMIX_request_push(&req);
 388 }
 389
 390 /**
 391  * \brief Returns the amount of SIMIX processes in the system
 392  *
 393  * Maestro internal process is not counted, only user code processes are
 394  */
 395 int SIMIX_req_process_count(void)
 396 {
 397   s_smx_req_t req;
 398
 399   req.call = REQ_PROCESS_COUNT;
 400   SIMIX_request_push(&req);
 401   return req.process_count.result;
 402 }
 403
 404 /**
 405  * \brief Return the user data of a #smx_process_t.
 406  *
 407  * This functions checks whether \a process is a valid pointer or not and return the user data associated to \a process if it is possible.
 408  * \param process SIMIX process
 409  * \return A void pointer to the user data
 410  */
 411 void* SIMIX_req_process_get_data(smx_process_t process)
 412 {
 413   s_smx_req_t req;
 414
 415   req.call = REQ_PROCESS_GET_DATA;
 416   req.process_get_data.process = process;
 417   SIMIX_request_push(&req);
 418   return req.process_get_data.result;
 419 }
 420
 421 /**
 422  * \brief Set the user data of a #m_process_t.
 423  *
 424  * This functions checks whether \a process is a valid pointer or not and set the user data associated to \a process if it is possible.
 425  * \param process SIMIX process
 426  * \param data User data
 427  */
 428 void SIMIX_req_process_set_data(smx_process_t process, void *data)
 429 {
 430   s_smx_req_t req;
 431
 432   req.call = REQ_PROCESS_SET_DATA;
 433   req.process_set_data.process = process;
 434   req.process_set_data.data = data;
 435   SIMIX_request_push(&req);
 436 }
 437
 438 /**
 439  * \brief Return the location on which an agent is running.
 440  *
 441  * This functions checks whether \a process is a valid pointer or not and return the m_host_t corresponding to the location on which \a process is running.
 442  * \param process SIMIX process
 443  * \return SIMIX host
 444  */
 445 smx_host_t SIMIX_req_process_get_host(smx_process_t process)
 446 {
 447   s_smx_req_t req;
 448
 449   req.call = REQ_PROCESS_GET_HOST;
 450   req.process_get_host.process = process;
 451   SIMIX_request_push(&req);
 452   return req.process_get_host.result;
 453 }
 454
 455 /**
 456  * \brief Return the name of an agent.
 457  *
 458  * This functions checks whether \a process is a valid pointer or not and return its name.
 459  * \param process SIMIX process
 460  * \return The process name
 461  */
 462 const char* SIMIX_req_process_get_name(smx_process_t process)
 463 {
 464   s_smx_req_t req;
 465
 466   req.call = REQ_PROCESS_GET_NAME;
 467   req.process_get_name.process = process;
 468   SIMIX_request_push(&req);
 469   return req.process_get_name.result;
 470 }
 471
 472 /**
 473  * \brief Returns true if the process is suspended .
 474  *
 475  * This checks whether a process is suspended or not by inspecting the task on which it was waiting for the completion.
 476  * \param process SIMIX process
 477  * \return 1, if the process is suspended, else 0.
 478  */
 479 int SIMIX_req_process_is_suspended(smx_process_t process)
 480 {
 481   s_smx_req_t req;
 482
 483   req.call = REQ_PROCESS_IS_SUSPENDED;
 484   req.process_is_suspended.process = process;
 485   SIMIX_request_push(&req);
 486   return req.process_is_suspended.result;
 487 }
 488
 489 /** \ingroup m_process_management
 490  * \brief Return the properties
 491  *
 492  * This functions returns the properties associated with this process
 493  */
 494 xbt_dict_t SIMIX_req_process_get_properties(smx_process_t process)
 495 {
 496   s_smx_req_t req;
 497
 498   req.call = REQ_PROCESS_GET_PROPERTIES;
 499   req.process_get_properties.process = process;
 500   SIMIX_request_push(&req);
 501   return req.process_get_properties.result;
 502 }
 503
 504 /** \brief Creates a new sleep SIMIX action.
 505  *
 506  * This function creates a SURF action and allocates the data necessary
 507  * to create the SIMIX action. It can raise a host_error exception if the
 508  * host crashed. The default SIMIX name of the action is "sleep".
 509  *
 510  *      \param duration Time duration of the sleep.
 511  *      \return A result telling whether the sleep was successful
 512  */
 513 e_smx_state_t SIMIX_req_process_sleep(double duration)
 514 {
 515   s_smx_req_t req;
 516
 517   req.call = REQ_PROCESS_SLEEP;
 518   req.process_sleep.duration = duration;
 519   SIMIX_request_push(&req);
 520   return req.process_sleep.result;
 521 }
 522
 523 /**
 524  *  \brief Creates a new rendez-vous point
 525  *  \param name The name of the rendez-vous point
 526  *  \return The created rendez-vous point
 527  */
 528 smx_rdv_t SIMIX_req_rdv_create(const char *name)
 529 {
 530   s_smx_req_t req;
 531
 532   req.call = REQ_RDV_CREATE;
 533   req.rdv_create.name = name;
 534
 535   SIMIX_request_push(&req);
 536   return req.rdv_create.result;
 537 }
 538
 539
 540 /**
 541  *  \brief Destroy a rendez-vous point
 542  *  \param name The rendez-vous point to destroy
 543  */
 544 void SIMIX_req_rdv_destroy(smx_rdv_t rdv)
 545 {
 546   s_smx_req_t req;
 547
 548   req.call = REQ_RDV_DESTROY;
 549   req.rdv_destroy.rdv = rdv;
 550
 551   SIMIX_request_push(&req);
 552 }
 553
 554 smx_rdv_t SIMIX_req_rdv_get_by_name(const char *name)
 555 {
 556   s_smx_req_t req;
 557
 558   req.call = REQ_RDV_GEY_BY_NAME;
 559   req.rdv_get_by_name.name = name;
 560   SIMIX_request_push(&req);
 561   return req.rdv_get_by_name.result;
 562 }
 563
 564 /**
 565  *  \brief counts the number of communication requests of a given host pending
 566  *         on a rendez-vous point
 567  *  \param rdv The rendez-vous point
 568  *  \param host The host to be counted
 569  *  \return The number of comm request pending in the rdv
 570  */
 571 int SIMIX_req_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
 572 {
 573   s_smx_req_t req;
 574
 575   req.call = REQ_RDV_COMM_COUNT_BY_HOST;
 576   req.rdv_comm_count_by_host.rdv = rdv;
 577   req.rdv_comm_count_by_host.host = host;
 578
 579   SIMIX_request_push(&req);
 580   return req.rdv_comm_count_by_host.result;
 581 }
 582
 583 /**
 584  *  \brief returns the communication at the head of the rendez-vous
 585  *  \param rdv The rendez-vous point
 586  *  \return The communication or NULL if empty
 587  */
 588 smx_action_t SIMIX_req_rdv_get_head(smx_rdv_t rdv)
 589 {
 590   s_smx_req_t req;
 591
 592   req.call = REQ_RDV_GET_HEAD;
 593   req.rdv_get_head.rdv = rdv;
 594
 595   SIMIX_request_push(&req);
 596   return req.rdv_get_head.result;
 597 }
 598
 599 smx_action_t SIMIX_req_comm_isend(smx_rdv_t rdv, double task_size, double rate,
 600                               void *src_buff, size_t src_buff_size,
 601                               int (*match_fun)(void *, void *), void *data)
 602 {
 603   s_smx_req_t req;
 604
 605   xbt_assert0(rdv, "No rendez-vous point defined for isend");
 606
 607   req.call = REQ_COMM_ISEND;
 608   req.comm_isend.rdv = rdv;
 609   req.comm_isend.task_size = task_size;
 610   req.comm_isend.rate = rate;
 611   req.comm_isend.src_buff = src_buff;
 612   req.comm_isend.src_buff_size = src_buff_size;
 613   req.comm_isend.match_fun = match_fun;
 614   req.comm_isend.data = data;
 615
 616   SIMIX_request_push(&req);
 617   return req.comm_isend.result;
 618 }
 619
 620 smx_action_t SIMIX_req_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
 621                                                                   int (*match_fun)(void *, void *), void *data)
 622 {
 623   s_smx_req_t req;
 624
 625   xbt_assert0(rdv, "No rendez-vous point defined for isend");
 626
 627   req.call = REQ_COMM_IRECV;
 628   req.comm_irecv.rdv = rdv;
 629   req.comm_irecv.dst_buff = dst_buff;
 630   req.comm_irecv.dst_buff_size = dst_buff_size;
 631   req.comm_irecv.match_fun = match_fun;
 632   req.comm_irecv.data = data;
 633
 634   SIMIX_request_push(&req);
 635   return req.comm_irecv.result;
 636 }
 637
 638 void SIMIX_req_comm_destroy(smx_action_t comm)
 639 {
 640   s_smx_req_t req;
 641
 642   req.call = REQ_COMM_DESTROY;
 643   req.comm_destroy.comm = comm;
 644
 645   SIMIX_request_push(&req);
 646 }
 647
 648 void SIMIX_req_comm_cancel(smx_action_t comm)
 649 {
 650   s_smx_req_t req;
 651
 652   req.call = REQ_COMM_CANCEL;
 653   req.comm_cancel.comm = comm;
 654
 655   SIMIX_request_push(&req);
 656 }
 657
 658 unsigned int SIMIX_req_comm_waitany(xbt_dynar_t comms)
 659 {
 660   s_smx_req_t req;
 661
 662   req.call = REQ_COMM_WAITANY;
 663   req.comm_waitany.comms = comms;
 664
 665   SIMIX_request_push(&req);
 666   return req.comm_waitany.result;
 667 }
 668
 669 int SIMIX_req_comm_testany(xbt_dynar_t comms)
 670 {
 671   s_smx_req_t req;
 672   if (xbt_dynar_length(comms)==0)
 673     return -1;
 674
 675   req.call = REQ_COMM_TESTANY;
 676   req.comm_testany.comms = comms;
 677
 678   SIMIX_request_push(&req);
 679   return req.comm_testany.result;
 680 }
 681
 682 void SIMIX_req_comm_wait(smx_action_t comm, double timeout)
 683 {
 684   s_smx_req_t req;
 685
 686   req.call = REQ_COMM_WAIT;
 687   req.comm_wait.comm = comm;
 688   req.comm_wait.timeout = timeout;
 689
 690   SIMIX_request_push(&req);
 691 }
 692
 693 #ifdef HAVE_TRACING
 694 /**
 695  * \brief Set the category of an action.
 696  *
 697  * This functions changes the category only. It calls a surf function.
 698  * \param execution The execution action
 699  * \param category The tracing category
 700  */
 701 void SIMIX_req_set_category(smx_action_t action, const char *category)
 702 {
 703   s_smx_req_t req;
 704
 705   req.call = REQ_SET_CATEGORY;
 706   req.set_category.action = action;
 707   req.set_category.category = category;
 708
 709   SIMIX_request_push(&req);
 710 }
 711 #endif
 712
 713 int SIMIX_req_comm_test(smx_action_t comm)
 714 {
 715   s_smx_req_t req;
 716
 717   req.call = REQ_COMM_TEST;
 718   req.comm_test.comm = comm;
 719
 720   SIMIX_request_push(&req);
 721   return req.comm_test.result;
 722 }
 723
 724 double SIMIX_req_comm_get_remains(smx_action_t comm)
 725 {
 726   s_smx_req_t req;
 727
 728   req.call = REQ_COMM_GET_REMAINS;
 729   req.comm_get_remains.comm = comm;
 730
 731   SIMIX_request_push(&req);
 732   return req.comm_get_remains.result;
 733 }
 734
 735 e_smx_state_t SIMIX_req_comm_get_state(smx_action_t comm)
 736 {
 737   s_smx_req_t req;
 738
 739   req.call = REQ_COMM_GET_STATE;
 740   req.comm_get_state.comm = comm;
 741
 742   SIMIX_request_push(&req);
 743   return req.comm_get_state.result;
 744 }
 745
 746 void *SIMIX_req_comm_get_data(smx_action_t comm)
 747 {
 748   s_smx_req_t req;
 749
 750   req.call = REQ_COMM_GET_DATA;
 751   req.comm_get_data.comm = comm;
 752
 753   SIMIX_request_push(&req);
 754   return req.comm_get_data.result;
 755 }
 756
 757 void *SIMIX_req_comm_get_src_buff(smx_action_t comm)
 758 {
 759   s_smx_req_t req;
 760
 761   req.call = REQ_COMM_GET_SRC_BUFF;
 762   req.comm_get_src_buff.comm = comm;
 763
 764   SIMIX_request_push(&req);
 765   return req.comm_get_src_buff.result;
 766 }
 767
 768 void *SIMIX_req_comm_get_dst_buff(smx_action_t comm)
 769 {
 770   s_smx_req_t req;
 771
 772   req.call = REQ_COMM_GET_DST_BUFF;
 773   req.comm_get_dst_buff.comm = comm;
 774
 775   SIMIX_request_push(&req);
 776   return req.comm_get_dst_buff.result;
 777 }
 778
 779 size_t SIMIX_req_comm_get_src_buff_size(smx_action_t comm)
 780 {
 781   s_smx_req_t req;
 782
 783   req.call = REQ_COMM_GET_SRC_BUFF_SIZE;
 784   req.comm_get_src_buff_size.comm = comm;
 785
 786   SIMIX_request_push(&req);
 787   return req.comm_get_src_buff_size.result;
 788 }
 789
 790 size_t SIMIX_req_comm_get_dst_buff_size(smx_action_t comm)
 791 {
 792   s_smx_req_t req;
 793
 794   req.call = REQ_COMM_GET_DST_BUFF_SIZE;
 795   req.comm_get_dst_buff_size.comm = comm;
 796
 797   SIMIX_request_push(&req);
 798   return req.comm_get_dst_buff_size.result;
 799 }
 800
 801 smx_process_t SIMIX_req_comm_get_src_proc(smx_action_t comm)
 802 {
 803   s_smx_req_t req;
 804
 805   req.call = REQ_COMM_GET_SRC_PROC;
 806   req.comm_get_src_proc.comm = comm;
 807
 808   SIMIX_request_push(&req);
 809   return req.comm_get_src_proc.result;
 810 }
 811
 812 smx_process_t SIMIX_req_comm_get_dst_proc(smx_action_t comm)
 813 {
 814   s_smx_req_t req;
 815
 816   req.call = REQ_COMM_GET_DST_PROC;
 817   req.comm_get_dst_proc.comm = comm;
 818
 819   SIMIX_request_push(&req);
 820   return req.comm_get_dst_proc.result;
 821 }
 822
 823 #ifdef HAVE_LATENCY_BOUND_TRACKING
 824 int SIMIX_req_comm_is_latency_bounded(smx_action_t comm)
 825 {
 826   s_smx_req_t req;
 827
 828   req.call = REQ_COMM_IS_LATENCY_BOUNDED;
 829   req.comm_is_latency_bounded.comm = comm;
 830
 831   SIMIX_request_push(&req);
 832   return req.comm_is_latency_bounded.result;
 833 }
 834 #endif
 835
 836 smx_mutex_t SIMIX_req_mutex_init(void)
 837 {
 838   s_smx_req_t req;
 839
 840   req.call = REQ_MUTEX_INIT;
 841
 842   SIMIX_request_push(&req);
 843   return req.mutex_init.result;
 844 }
 845
 846 void SIMIX_req_mutex_destroy(smx_mutex_t mutex)
 847 {
 848   s_smx_req_t req;
 849
 850   req.call = REQ_MUTEX_DESTROY;
 851   req.mutex_destroy.mutex = mutex;
 852
 853   SIMIX_request_push(&req);
 854 }
 855
 856 void SIMIX_req_mutex_lock(smx_mutex_t mutex)
 857 {
 858   s_smx_req_t req;
 859
 860   req.call = REQ_MUTEX_LOCK;
 861   req.mutex_lock.mutex = mutex;
 862
 863   SIMIX_request_push(&req);
 864 }
 865
 866 int SIMIX_req_mutex_trylock(smx_mutex_t mutex)
 867 {
 868   s_smx_req_t req;
 869
 870   req.call = REQ_MUTEX_TRYLOCK;
 871   req.mutex_trylock.mutex = mutex;
 872
 873   SIMIX_request_push(&req);
 874   return req.mutex_trylock.result;
 875 }
 876
 877 void SIMIX_req_mutex_unlock(smx_mutex_t mutex)
 878 {
 879   s_smx_req_t req;
 880
 881   req.call = REQ_MUTEX_UNLOCK;
 882   req.mutex_unlock.mutex = mutex;
 883
 884   SIMIX_request_push(&req);
 885 }
 886
 887
 888 smx_cond_t SIMIX_req_cond_init(void)
 889 {
 890   s_smx_req_t req;
 891
 892   req.call = REQ_COND_INIT;
 893
 894   SIMIX_request_push(&req);
 895   return req.cond_init.result;
 896 }
 897
 898 void SIMIX_req_cond_destroy(smx_cond_t cond)
 899 {
 900   s_smx_req_t req;
 901
 902   req.call = REQ_COND_DESTROY;
 903   req.cond_destroy.cond = cond;
 904
 905   SIMIX_request_push(&req);
 906 }
 907
 908 void SIMIX_req_cond_signal(smx_cond_t cond)
 909 {
 910   s_smx_req_t req;
 911
 912   req.call = REQ_COND_SIGNAL;
 913   req.cond_signal.cond = cond;
 914
 915   SIMIX_request_push(&req);
 916 }
 917
 918 void SIMIX_req_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
 919 {
 920   s_smx_req_t req;
 921
 922   req.call = REQ_COND_WAIT;
 923   req.cond_wait.cond = cond;
 924   req.cond_wait.mutex = mutex;
 925
 926   SIMIX_request_push(&req);
 927 }
 928
 929 void SIMIX_req_cond_wait_timeout(smx_cond_t cond,
 930                                  smx_mutex_t mutex,
 931                                  double timeout)
 932 {
 933   s_smx_req_t req;
 934
 935   req.call = REQ_COND_WAIT_TIMEOUT;
 936   req.cond_wait_timeout.cond = cond;
 937   req.cond_wait_timeout.mutex = mutex;
 938   req.cond_wait_timeout.timeout = timeout;
 939
 940   SIMIX_request_push(&req);
 941 }
 942
 943 void SIMIX_req_cond_broadcast(smx_cond_t cond)
 944 {
 945   s_smx_req_t req;
 946
 947   req.call = REQ_COND_BROADCAST;
 948   req.cond_broadcast.cond = cond;
 949
 950   SIMIX_request_push(&req);
 951 }
 952
 953
 954 smx_sem_t SIMIX_req_sem_init(int capacity)
 955 {
 956   s_smx_req_t req;
 957
 958   req.call = REQ_SEM_INIT;
 959   req.sem_init.capacity = capacity;
 960
 961   SIMIX_request_push(&req);
 962   return req.sem_init.result;
 963 }
 964
 965 void SIMIX_req_sem_destroy(smx_sem_t sem)
 966 {
 967   s_smx_req_t req;
 968
 969   req.call = REQ_SEM_DESTROY;
 970   req.sem_destroy.sem = sem;
 971
 972   SIMIX_request_push(&req);
 973 }
 974
 975 void SIMIX_req_sem_release(smx_sem_t sem)
 976 {
 977   s_smx_req_t req;
 978
 979   req.call = REQ_SEM_RELEASE;
 980   req.sem_release.sem = sem;
 981
 982   SIMIX_request_push(&req);
 983 }
 984
 985 int SIMIX_req_sem_would_block(smx_sem_t sem)
 986 {
 987   s_smx_req_t req;
 988
 989   req.call = REQ_SEM_WOULD_BLOCK;
 990   req.sem_would_block.sem = sem;
 991
 992   SIMIX_request_push(&req);
 993   return req.sem_would_block.result;
 994 }
 995
 996 void SIMIX_req_sem_acquire(smx_sem_t sem)
 997 {
 998   s_smx_req_t req;
 999
1000   req.call = REQ_SEM_ACQUIRE;
1001   req.sem_acquire.sem = sem;
1002
1003   SIMIX_request_push(&req);
1004 }
1005
1006 void SIMIX_req_sem_acquire_timeout(smx_sem_t sem, double timeout)
1007 {
1008   s_smx_req_t req;
1009
1010   req.call = REQ_SEM_ACQUIRE_TIMEOUT;
1011   req.sem_acquire_timeout.sem = sem;
1012   req.sem_acquire_timeout.timeout = timeout;
1013
1014   SIMIX_request_push(&req);
1015 }
1016
1017 int SIMIX_req_sem_get_capacity(smx_sem_t sem)
1018 {
1019   s_smx_req_t req;
1020
1021   req.call = REQ_SEM_GET_CAPACITY;
1022   req.sem_get_capacity.sem = sem;
1023
1024   SIMIX_request_push(&req);
1025   return req.sem_get_capacity.result;
1026 }
1027
1028
1029