include/msg/msg.h

   1 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #ifndef MSG_H
   7 #define MSG_H
   8
   9 #include "xbt.h"
  10
  11 #include "msg/datatypes.h"
  12
  13 #include "simgrid/simix.h"
  14
  15 SG_BEGIN_DECL()
  16
  17 /** @brief Return code of most MSG functions
  18     @ingroup msg_simulation
  19     @{ */
  20 /* Keep these code as binary values: java bindings manipulate | of these values */
  21 typedef enum {
  22   MSG_OK = 0,                 /**< @brief Everything is right. Keep on going this way ! */
  23   MSG_TIMEOUT = 1,            /**< @brief nothing good happened before the timer you provided elapsed */
  24   MSG_TRANSFER_FAILURE = 2,   /**< @brief There has been a problem during you task
  25       transfer. Either the network is down or the remote host has been
  26       shutdown. */
  27   MSG_HOST_FAILURE = 4,       /**< @brief System shutdown. The host on which you are
  28       running has just been rebooted. Free your datastructures and
  29       return now !*/
  30   MSG_TASK_CANCELED = 8      /**< @brief Canceled task. This task has been canceled by somebody!*/
  31 } msg_error_t;
  32 /** @} */
  33
  34 /************************** Global ******************************************/
  35 XBT_PUBLIC(void) MSG_config(const char *key, const char *value);
  36 /** \ingroup msg_simulation
  37  *  \brief Initialize the MSG internal data.
  38  *  \hideinitializer
  39  *
  40  *  It also check that the link-time and compile-time versions of SimGrid do
  41  *  match, so you should use this version instead of the #MSG_init_nocheck
  42  *  function that does the same initializations, but without this check.
  43  *
  44  *  We allow to link against compiled versions that differ in the patch level.
  45  */
  46 #define MSG_init(argc,argv)  {                                          \
  47     int ver_major,ver_minor,ver_patch;                                  \
  48     sg_version(&ver_major,&ver_minor,&ver_patch);                       \
  49     if ((ver_major != SIMGRID_VERSION_MAJOR) ||                         \
  50         (ver_minor != SIMGRID_VERSION_MINOR)) {                         \
  51       fprintf(stderr,"FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, and then linked against SimGrid %d.%d.%d. Please fix this.\n", \
  52               SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
  53     }                                                                   \
  54     MSG_init_nocheck(argc,argv);                                        \
  55   }
  56
  57 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
  58 XBT_PUBLIC(msg_error_t) MSG_main(void);
  59 XBT_PUBLIC(void) MSG_function_register(const char *name,
  60                                        xbt_main_func_t code);
  61 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
  62 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
  63 XBT_PUBLIC(void) MSG_launch_application(const char *file);
  64 /*Bypass the parser */
  65 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
  66                                   const char *function_name,
  67                                   xbt_dynar_t arguments);
  68
  69 XBT_PUBLIC(double) MSG_get_clock(void);
  70 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
  71
  72 /************************** Environment ***********************************/
  73 XBT_PUBLIC(msg_as_t) MSG_environment_get_routing_root(void);
  74 XBT_PUBLIC(const char *) MSG_environment_as_get_name(msg_as_t as);
  75 XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
  76 XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
  77 XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
  78 XBT_PUBLIC(xbt_dynar_t) MSG_environment_as_get_hosts(msg_as_t as);
  79
  80 /************************** File handling ***********************************/
  81 XBT_PUBLIC(size_t) MSG_file_read(size_t size, msg_file_t fd);
  82 XBT_PUBLIC(size_t) MSG_file_write(size_t size, msg_file_t fd);
  83 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path);
  84 XBT_PUBLIC(int) MSG_file_close(msg_file_t fd);
  85 XBT_PUBLIC(size_t) MSG_file_get_size(msg_file_t fd);
  86 XBT_PUBLIC(void) MSG_file_dump(msg_file_t fd);
  87 XBT_PUBLIC(int) MSG_file_unlink(msg_file_t fd);
  88 XBT_PUBLIC(xbt_dict_t) MSG_file_ls(const char *mount, const char *path);
  89 XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
  90
  91 /************************** Storage handling ***********************************/
  92 XBT_PUBLIC(size_t) MSG_storage_get_free_size(const char* name);
  93 XBT_PUBLIC(size_t) MSG_storage_get_used_size(const char* name);
  94
  95 /************************** AS Router handling ************************************/
  96 XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
  97 XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
  98 XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);
  99
 100 /************************** Host handling ***********************************/
 101 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
 102 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
 103 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
 104 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
 105 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
 106 /* int MSG_get_msgload(void); This function lacks specification; discard it */
 107 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
 108 XBT_PUBLIC(int) MSG_host_get_core_number(msg_host_t h);
 109 XBT_PUBLIC(xbt_swag_t) MSG_host_get_process_list(msg_host_t h);
 110 XBT_PUBLIC(int) MSG_host_is_avail(msg_host_t h);
 111 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_priv_t host);
 112
 113 XBT_PUBLIC(double) MSG_get_host_power_peak_at(msg_host_t h, int pstate_index);
 114 XBT_PUBLIC(double) MSG_get_host_current_power_peak(msg_host_t h);
 115 XBT_PUBLIC(int) MSG_get_host_nb_pstates(msg_host_t h);
 116 XBT_PUBLIC(void) MSG_set_host_power_peak_at(msg_host_t h, int pstate);
 117 XBT_PUBLIC(double) MSG_get_host_consumed_energy(msg_host_t h);
 118
 119 /*property handlers*/
 120 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
 121 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
 122                                                      const char *name);
 123 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
 124                                              const char *name, char *value,
 125                                              void_f_pvoid_t free_ctn);
 126
 127
 128 XBT_PUBLIC(void) MSG_create_environment(const char *file);
 129
 130 XBT_PUBLIC(msg_host_t) MSG_get_host_by_name(const char *name);
 131 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
 132 XBT_PUBLIC(int) MSG_get_host_number(void);
 133 XBT_PUBLIC(xbt_dynar_t) MSG_host_get_storage_list(msg_host_t host);
 134 /************************** Process handling *********************************/
 135 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
 136                                            xbt_main_func_t code,
 137                                            void *data, msg_host_t host);
 138 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
 139                                                           xbt_main_func_t
 140                                                           code, void *data,
 141                                                           msg_host_t host,
 142                                                           int argc,
 143                                                           char **argv);
 144 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
 145                                                             *name,
 146                                                             xbt_main_func_t
 147                                                             code,
 148                                                             void *data,
 149                                                             msg_host_t host,
 150                                                             int argc,
 151                                                             char **argv,
 152                                                             xbt_dict_t
 153                                                             properties);
 154 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
 155 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
 156
 157 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
 158
 159 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
 160 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
 161                                              void *data);
 162 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
 163 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
 164 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
 165 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
 166 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
 167 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
 168 XBT_PUBLIC(int) MSG_process_self_PID(void);
 169 XBT_PUBLIC(int) MSG_process_self_PPID(void);
 170 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
 171 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
 172 XBT_PUBLIC(int) MSG_process_get_number(void);
 173
 174 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
 175
 176 /*property handlers*/
 177 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
 178 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
 179                                                         process,
 180                                                         const char *name);
 181
 182 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
 183 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
 184 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
 185 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
 186 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
 187
 188 XBT_PUBLIC(msg_process_t) MSG_process_restart(msg_process_t process);
 189
 190 /************************** Task handling ************************************/
 191 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
 192                                      double compute_duration,
 193                                      double message_size, void *data);
 194 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
 195                                      double compute_duration,
 196                                      double dispatch_latency,
 197                                      double collect_latency);
 198 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
 199                                               int host_nb,
 200                                               const msg_host_t * host_list,
 201                                               double *computation_amount,
 202                                               double *communication_amount,
 203                                               void *data);
 204 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
 205 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
 206 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
 207     msg_task_t task, msg_process_t src, msg_process_t dst));
 208 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
 209 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
 210 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
 211 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
 212 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
 213 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
 214
 215 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
 216                                        msg_host_t host);
 217 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
 218                                        msg_host_t host, double rate);
 219
 220 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
 221 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
 222 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
 223
 224 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
 225
 226 XBT_PUBLIC(double) MSG_task_get_compute_duration(msg_task_t task);
 227 XBT_PUBLIC(void) MSG_task_set_compute_duration(msg_task_t task,
 228                                                double compute_duration);
 229 XBT_PUBLIC(void) MSG_task_set_data_size(msg_task_t task,
 230                                         double data_size);
 231
 232 XBT_PUBLIC(double) MSG_task_get_remaining_computation(msg_task_t task);
 233 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
 234 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
 235 XBT_PUBLIC(double) MSG_task_get_data_size(msg_task_t task);
 236
 237
 238 XBT_PUBLIC(msg_error_t)
 239     MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
 240                      msg_host_t host);
 241
 242 XBT_PUBLIC(msg_error_t)
 243     MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
 244                               double timeout);
 245
 246 XBT_PUBLIC(msg_error_t)
 247     MSG_task_receive(msg_task_t * task, const char *alias);
 248 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
 249
 250
 251
 252 XBT_PUBLIC(msg_error_t)
 253     MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
 254                      msg_host_t host, double rate);
 255
 256 XBT_PUBLIC(msg_error_t)
 257     MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
 258                               double timeout, double rate);
 259
 260 XBT_PUBLIC(msg_error_t)
 261     MSG_task_receive_bounded(msg_task_t * task, const char *alias,double rate);
 262 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
 263
 264 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
 265 XBT_PUBLIC(msg_comm_t) MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate);
 266 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
 267                                                     const char *alias,
 268                                                     int (*match_fun)(void*,void*, smx_action_t),
 269                                                     void *match_data);
 270
 271 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
 272 XBT_PUBLIC(void) MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate);
 273 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
 274 XBT_PUBLIC(msg_comm_t) MSG_task_irecv_bounded(msg_task_t * task, const char *alias, double rate);
 275 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
 276 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
 277 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
 278 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
 279 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
 280                                   double timeout);
 281 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
 282 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
 283 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
 284
 285 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
 286
 287 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
 288                                           msg_host_t host);
 289
 290 XBT_PUBLIC(msg_error_t)
 291     MSG_task_send_with_timeout(msg_task_t task, const char *alias,
 292                            double timeout);
 293
 294 XBT_PUBLIC(msg_error_t)
 295     MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
 296                            double timeout, double maxrate);
 297
 298 XBT_PUBLIC(msg_error_t)
 299     MSG_task_send(msg_task_t task, const char *alias);
 300
 301 XBT_PUBLIC(msg_error_t)
 302     MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
 303
 304 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
 305
 306 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
 307 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
 308
 309 /************************** Task handling ************************************/
 310 XBT_PUBLIC(msg_error_t)
 311     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
 312                          msg_host_t host, double timeout);
 313
 314 XBT_PUBLIC(msg_error_t)
 315     MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t *task,
 316                                      msg_host_t host, double timeout, double rate);
 317
 318 XBT_PUBLIC(msg_error_t)
 319     MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
 320                              double timeout);
 321
 322 XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
 323
 324
 325 /************************** Action handling **********************************/
 326 XBT_PUBLIC(msg_error_t) MSG_action_trace_run(char *path);
 327
 328 #ifdef MSG_USE_DEPRECATED
 329
 330 typedef msg_error_t MSG_error_t;
 331
 332 #define MSG_global_init(argc, argv)      MSG_init(argc,argv)
 333 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
 334
 335 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
 336 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
 337
 338 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
 339 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
 340 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
 341         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
 342
 343 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
 344 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
 345
 346 XBT_PUBLIC(msg_error_t) MSG_clean(void);
 347
 348 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
 349 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
 350                                                   m_channel_t channel,
 351                                                   double max_duration);
 352 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
 353                                                int channel, msg_host_t host);
 354 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
 355                                          double max_duration,
 356                                          msg_host_t host);
 357 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
 358                                      m_channel_t channel);
 359 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
 360                                              msg_host_t dest,
 361                                              m_channel_t channel,
 362                                              double max_rate);
 363 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
 364                                                   msg_host_t dest,
 365                                                   m_channel_t channel,
 366                                                   double max_duration);
 367 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
 368 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
 369 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
 370
 371 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
 372 XBT_PUBLIC(int) MSG_get_channel_number(void);
 373 #endif
 374
 375 /** @brief Opaque type representing a semaphore
 376  *  @ingroup msg_synchro
 377  *  @hideinitializer
 378  */
 379 typedef struct s_smx_sem *msg_sem_t; // Yeah that's a rename of the smx_sem_t which doesnt require smx_sem_t to be declared here
 380 XBT_PUBLIC(msg_sem_t) MSG_sem_init(int initial_value);
 381 XBT_PUBLIC(void) MSG_sem_acquire(msg_sem_t sem);
 382 XBT_PUBLIC(msg_error_t) MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
 383 XBT_PUBLIC(void) MSG_sem_release(msg_sem_t sem);
 384 XBT_PUBLIC(void) MSG_sem_get_capacity(msg_sem_t sem);
 385 XBT_PUBLIC(void) MSG_sem_destroy(msg_sem_t sem);
 386 XBT_PUBLIC(int) MSG_sem_would_block(msg_sem_t sem);
 387
 388 /** @brief Opaque type describing a Virtual Machine.
 389  *  @ingroup msg_VMs
 390  *
 391  * All this is highly experimental and the interface will probably change in the future.
 392  * Please don't depend on this yet (although testing is welcomed if you feel so).
 393  * Usual lack of guaranty of any kind applies here, and is even increased.
 394  *
 395  */
 396 /* This function should not be called directly, but rather from MSG_vm_start_from_template that does not exist yet*/
 397 XBT_PUBLIC(msg_vm_t) MSG_vm_start(msg_host_t location, const char *name, int coreAmount);
 398
 399 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
 400 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
 401
 402 XBT_PUBLIC(void) MSG_vm_bind(msg_vm_t vm, msg_process_t process);
 403 XBT_PUBLIC(void) MSG_vm_unbind(msg_vm_t vm, msg_process_t process); // simple wrapper over process_kill
 404
 405 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
 406
 407 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
 408   // \forall p in VM, MSG_process_suspend(p) // Freeze the processes
 409
 410 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);  // Simulate the fact of reading the processes from disk and resuming them
 411   // \forall p in VM, MSG_process_resume(p) // unfreeze them
 412
 413 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm); // killall
 414
 415 XBT_PUBLIC(void) MSG_vm_reboot(msg_vm_t vm);
 416
 417 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
 418
 419 XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
 420
 421 /*
 422 void* MSG_process_get_property(msg_process_t, char* key)
 423 void MSG_process_set_property(msg_process_t, char* key, void* data)
 424 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
 425
 426 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
 427 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
 428   // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
 429   //                              <100 si c'est pas CPU intensive)
 430   // Contraintes à poser:
 431   //   HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
 432   //   VM_coreAmount >= Load de toutes les tasks
 433 */
 434
 435   /*
 436 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
 437 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
 438 + des fonctions de filtrage sur les dynar
 439 */
 440 #include "instr/instr.h"
 441
 442
 443
 444 /* ****************************************************************************************** */
 445 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
 446 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);
 447
 448 /* ****************************************************************************************** */
 449 /* TUTORIAL: New API                                                                        */
 450 /* Declare all functions for the API                                                          */
 451 /* ****************************************************************************************** */
 452 XBT_PUBLIC(int) MSG_new_API_fct(const char* param1, double param2);
 453
 454 SG_END_DECL()
 455 #endif