include/msg/msg.h

   1 /* Copyright (c) 2004-2013. 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 MSG_H
   8 #define MSG_H
   9
  10 #include "xbt.h"
  11
  12 #include "msg/datatypes.h"
  13
  14 #include "simgrid/simix.h"
  15
  16 SG_BEGIN_DECL()
  17
  18 /** @brief Return code of most MSG functions
  19     @ingroup msg_simulation
  20     @{ */
  21 /* Keep these code as binary values: java bindings manipulate | of these values */
  22 typedef enum {
  23   MSG_OK = 0,                 /**< @brief Everything is right. Keep on going this way ! */
  24   MSG_TIMEOUT = 1,            /**< @brief nothing good happened before the timer you provided elapsed */
  25   MSG_TRANSFER_FAILURE = 2,   /**< @brief There has been a problem during you task
  26       transfer. Either the network is down or the remote host has been
  27       shutdown. */
  28   MSG_HOST_FAILURE = 4,       /**< @brief System shutdown. The host on which you are
  29       running has just been rebooted. Free your datastructures and
  30       return now !*/
  31   MSG_TASK_CANCELED = 8      /**< @brief Canceled task. This task has been canceled by somebody!*/
  32 } msg_error_t;
  33 /** @} */
  34
  35 /************************** Global ******************************************/
  36 XBT_PUBLIC(void) MSG_config(const char *key, const char *value);
  37 /** \ingroup msg_simulation
  38  *  \brief Initialize the MSG internal data.
  39  *  \hideinitializer
  40  *
  41  *  It also check that the link-time and compile-time versions of SimGrid do
  42  *  match, so you should use this version instead of the #MSG_init_nocheck
  43  *  function that does the same initializations, but without this check.
  44  *
  45  *  We allow to link against compiled versions that differ in the patch level.
  46  */
  47 #define MSG_init(argc,argv)  {                                          \
  48     int ver_major,ver_minor,ver_patch;                                  \
  49     sg_version(&ver_major,&ver_minor,&ver_patch);                       \
  50     if ((ver_major != SIMGRID_VERSION_MAJOR) ||                         \
  51         (ver_minor != SIMGRID_VERSION_MINOR)) {                         \
  52       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", \
  53               SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
  54     }                                                                   \
  55     MSG_init_nocheck(argc,argv);                                        \
  56   }
  57
  58 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
  59 XBT_PUBLIC(msg_error_t) MSG_main(void);
  60 XBT_PUBLIC(void) MSG_function_register(const char *name,
  61                                        xbt_main_func_t code);
  62 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
  63 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
  64 XBT_PUBLIC(void) MSG_launch_application(const char *file);
  65 /*Bypass the parser */
  66 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
  67                                   const char *function_name,
  68                                   xbt_dynar_t arguments);
  69
  70 XBT_PUBLIC(double) MSG_get_clock(void);
  71 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
  72
  73 /************************** Environment ***********************************/
  74 XBT_PUBLIC(msg_as_t) MSG_environment_get_routing_root(void);
  75 XBT_PUBLIC(const char *) MSG_environment_as_get_name(msg_as_t as);
  76 XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
  77 XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
  78 XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
  79 XBT_PUBLIC(xbt_dynar_t) MSG_environment_as_get_hosts(msg_as_t as);
  80
  81 /************************** File handling ***********************************/
  82 XBT_PUBLIC(size_t) MSG_file_read(size_t size, msg_file_t fd);
  83 XBT_PUBLIC(size_t) MSG_file_write(size_t size, msg_file_t fd);
  84 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path,
  85                                      void* data);
  86 XBT_PUBLIC(void*) MSG_file_get_data(msg_file_t fd);
  87 XBT_PUBLIC(msg_error_t) MSG_file_set_data(msg_file_t fd, void * data);
  88 XBT_PUBLIC(int) MSG_file_close(msg_file_t fd);
  89 XBT_PUBLIC(size_t) MSG_file_get_size(msg_file_t fd);
  90 XBT_PUBLIC(void) MSG_file_dump(msg_file_t fd);
  91 XBT_PUBLIC(int) MSG_file_unlink(msg_file_t fd);
  92 XBT_PUBLIC(xbt_dict_t) MSG_file_ls(const char *mount, const char *path);
  93 XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
  94
  95 /************************** Storage handling ***********************************/
  96 XBT_PUBLIC(msg_host_t) MSG_get_storage_by_name(const char *name);
  97 XBT_PUBLIC(const char *) MSG_storage_get_name(msg_storage_t storage);
  98 XBT_PUBLIC(size_t) MSG_storage_get_free_size(const char* name);
  99 XBT_PUBLIC(size_t) MSG_storage_get_used_size(const char* name);
 100 XBT_PUBLIC(msg_storage_t) MSG_storage_get_by_name(const char *name);
 101 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_properties(msg_storage_t storage);
 102 XBT_PUBLIC(void) MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn);
 103 XBT_PUBLIC(xbt_dynar_t) MSG_storages_as_dynar(void);
 104 XBT_PUBLIC(msg_error_t) MSG_storage_set_data(msg_storage_t host, void *data);
 105 XBT_PUBLIC(void *) MSG_storage_get_data(msg_storage_t storage);
 106 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_content(msg_storage_t storage);
 107 /************************** AS Router handling ************************************/
 108 XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
 109 XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
 110 XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);
 111
 112 /************************** Host handling ***********************************/
 113 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
 114 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
 115 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
 116 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
 117 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
 118 /* int MSG_get_msgload(void); This function lacks specification; discard it */
 119 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
 120 XBT_PUBLIC(int) MSG_host_get_core_number(msg_host_t h);
 121 XBT_PUBLIC(xbt_swag_t) MSG_host_get_process_list(msg_host_t h);
 122 XBT_PUBLIC(int) MSG_host_is_avail(msg_host_t h);
 123 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_priv_t host);
 124
 125 XBT_PUBLIC(double) MSG_get_host_power_peak_at(msg_host_t h, int pstate_index);
 126 XBT_PUBLIC(double) MSG_get_host_current_power_peak(msg_host_t h);
 127 XBT_PUBLIC(int) MSG_get_host_nb_pstates(msg_host_t h);
 128 XBT_PUBLIC(void) MSG_set_host_power_peak_at(msg_host_t h, int pstate);
 129 XBT_PUBLIC(double) MSG_get_host_consumed_energy(msg_host_t h);
 130
 131 /*property handlers*/
 132 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
 133 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
 134                                                      const char *name);
 135 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
 136                                              const char *name, char *value,
 137                                              void_f_pvoid_t free_ctn);
 138
 139
 140 XBT_PUBLIC(void) MSG_create_environment(const char *file);
 141
 142 XBT_PUBLIC(msg_host_t) MSG_get_host_by_name(const char *name);
 143 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
 144 XBT_PUBLIC(int) MSG_get_host_number(void);
 145 XBT_PUBLIC(xbt_dynar_t) MSG_host_get_storage_list(msg_host_t host);
 146 XBT_PUBLIC(xbt_dynar_t) MSG_host_get_storage_content(msg_host_t host);
 147 /************************** Process handling *********************************/
 148 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
 149                                            xbt_main_func_t code,
 150                                            void *data, msg_host_t host);
 151 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
 152                                                           xbt_main_func_t
 153                                                           code, void *data,
 154                                                           msg_host_t host,
 155                                                           int argc,
 156                                                           char **argv);
 157 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
 158                                                             *name,
 159                                                             xbt_main_func_t
 160                                                             code,
 161                                                             void *data,
 162                                                             msg_host_t host,
 163                                                             int argc,
 164                                                             char **argv,
 165                                                             xbt_dict_t
 166                                                             properties);
 167 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
 168 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
 169
 170 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
 171
 172 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
 173 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
 174                                              void *data);
 175 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
 176 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
 177 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
 178 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
 179 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
 180 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
 181 XBT_PUBLIC(int) MSG_process_self_PID(void);
 182 XBT_PUBLIC(int) MSG_process_self_PPID(void);
 183 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
 184 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
 185 XBT_PUBLIC(int) MSG_process_get_number(void);
 186
 187 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
 188
 189 /*property handlers*/
 190 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
 191 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
 192                                                         process,
 193                                                         const char *name);
 194
 195 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
 196 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
 197 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
 198 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
 199 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
 200
 201 XBT_PUBLIC(msg_process_t) MSG_process_restart(msg_process_t process);
 202
 203 /************************** Task handling ************************************/
 204 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
 205                                      double compute_duration,
 206                                      double message_size, void *data);
 207 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
 208                                      double compute_duration,
 209                                      double dispatch_latency,
 210                                      double collect_latency);
 211 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
 212                                               int host_nb,
 213                                               const msg_host_t * host_list,
 214                                               double *computation_amount,
 215                                               double *communication_amount,
 216                                               void *data);
 217 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
 218 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
 219 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
 220     msg_task_t task, msg_process_t src, msg_process_t dst));
 221 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
 222 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
 223 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
 224 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
 225 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
 226 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
 227
 228 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
 229                                        msg_host_t host);
 230 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
 231                                        msg_host_t host, double rate);
 232
 233 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
 234 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
 235 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
 236
 237 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
 238
 239 XBT_PUBLIC(double) MSG_task_get_compute_duration(msg_task_t task);
 240 XBT_PUBLIC(void) MSG_task_set_compute_duration(msg_task_t task,
 241                                                double compute_duration);
 242 XBT_PUBLIC(void) MSG_task_set_data_size(msg_task_t task,
 243                                         double data_size);
 244
 245 XBT_PUBLIC(double) MSG_task_get_remaining_computation(msg_task_t task);
 246 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
 247 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
 248 XBT_PUBLIC(double) MSG_task_get_data_size(msg_task_t task);
 249
 250
 251 XBT_PUBLIC(msg_error_t)
 252     MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
 253                      msg_host_t host);
 254
 255 XBT_PUBLIC(msg_error_t)
 256     MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
 257                               double timeout);
 258
 259 XBT_PUBLIC(msg_error_t)
 260     MSG_task_receive(msg_task_t * task, const char *alias);
 261 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
 262
 263
 264
 265 XBT_PUBLIC(msg_error_t)
 266     MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
 267                      msg_host_t host, double rate);
 268
 269 XBT_PUBLIC(msg_error_t)
 270     MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
 271                               double timeout, double rate);
 272
 273 XBT_PUBLIC(msg_error_t)
 274     MSG_task_receive_bounded(msg_task_t * task, const char *alias,double rate);
 275 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
 276
 277 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
 278 XBT_PUBLIC(msg_comm_t) MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate);
 279 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
 280                                                     const char *alias,
 281                                                     int (*match_fun)(void*,void*, smx_action_t),
 282                                                     void *match_data);
 283
 284 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
 285 XBT_PUBLIC(void) MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate);
 286 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
 287 XBT_PUBLIC(msg_comm_t) MSG_task_irecv_bounded(msg_task_t * task, const char *alias, double rate);
 288 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
 289 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
 290 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
 291 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
 292 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
 293                                   double timeout);
 294 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
 295 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
 296 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
 297
 298 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
 299
 300 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
 301                                           msg_host_t host);
 302
 303 XBT_PUBLIC(msg_error_t)
 304     MSG_task_send_with_timeout(msg_task_t task, const char *alias,
 305                            double timeout);
 306
 307 XBT_PUBLIC(msg_error_t)
 308     MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
 309                            double timeout, double maxrate);
 310
 311 XBT_PUBLIC(msg_error_t)
 312     MSG_task_send(msg_task_t task, const char *alias);
 313
 314 XBT_PUBLIC(msg_error_t)
 315     MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
 316
 317 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
 318
 319 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
 320 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
 321
 322 /************************** Task handling ************************************/
 323 XBT_PUBLIC(msg_error_t)
 324     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
 325                          msg_host_t host, double timeout);
 326
 327 XBT_PUBLIC(msg_error_t)
 328     MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t *task,
 329                                      msg_host_t host, double timeout, double rate);
 330
 331 XBT_PUBLIC(msg_error_t)
 332     MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
 333                              double timeout);
 334
 335 XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
 336
 337
 338 /************************** Action handling **********************************/
 339 XBT_PUBLIC(msg_error_t) MSG_action_trace_run(char *path);
 340
 341 #ifdef MSG_USE_DEPRECATED
 342
 343 typedef msg_error_t MSG_error_t;
 344
 345 #define MSG_global_init(argc, argv)      MSG_init(argc,argv)
 346 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
 347
 348 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
 349 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
 350
 351 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
 352 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
 353 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
 354         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
 355
 356 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
 357 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
 358
 359 XBT_PUBLIC(msg_error_t) MSG_clean(void);
 360
 361 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
 362 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
 363                                                   m_channel_t channel,
 364                                                   double max_duration);
 365 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
 366                                                int channel, msg_host_t host);
 367 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
 368                                          double max_duration,
 369                                          msg_host_t host);
 370 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
 371                                      m_channel_t channel);
 372 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
 373                                              msg_host_t dest,
 374                                              m_channel_t channel,
 375                                              double max_rate);
 376 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
 377                                                   msg_host_t dest,
 378                                                   m_channel_t channel,
 379                                                   double max_duration);
 380 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
 381 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
 382 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
 383
 384 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
 385 XBT_PUBLIC(int) MSG_get_channel_number(void);
 386 #endif
 387
 388 /** @brief Opaque type representing a semaphore
 389  *  @ingroup msg_synchro
 390  *  @hideinitializer
 391  */
 392 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
 393 XBT_PUBLIC(msg_sem_t) MSG_sem_init(int initial_value);
 394 XBT_PUBLIC(void) MSG_sem_acquire(msg_sem_t sem);
 395 XBT_PUBLIC(msg_error_t) MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
 396 XBT_PUBLIC(void) MSG_sem_release(msg_sem_t sem);
 397 XBT_PUBLIC(void) MSG_sem_get_capacity(msg_sem_t sem);
 398 XBT_PUBLIC(void) MSG_sem_destroy(msg_sem_t sem);
 399 XBT_PUBLIC(int) MSG_sem_would_block(msg_sem_t sem);
 400
 401 /** @brief Opaque type describing a Virtual Machine.
 402  *  @ingroup msg_VMs
 403  *
 404  * All this is highly experimental and the interface will probably change in the future.
 405  * Please don't depend on this yet (although testing is welcomed if you feel so).
 406  * Usual lack of guaranty of any kind applies here, and is even increased.
 407  *
 408  */
 409 /* This function should not be called directly, but rather from MSG_vm_start_from_template that does not exist yet*/
 410 XBT_PUBLIC(msg_vm_t) MSG_vm_start(msg_host_t location, const char *name, int coreAmount);
 411
 412 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
 413 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
 414
 415 XBT_PUBLIC(void) MSG_vm_bind(msg_vm_t vm, msg_process_t process);
 416 XBT_PUBLIC(void) MSG_vm_unbind(msg_vm_t vm, msg_process_t process); // simple wrapper over process_kill
 417
 418 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
 419
 420 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
 421   // \forall p in VM, MSG_process_suspend(p) // Freeze the processes
 422
 423 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);  // Simulate the fact of reading the processes from disk and resuming them
 424   // \forall p in VM, MSG_process_resume(p) // unfreeze them
 425
 426 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm); // killall
 427
 428 XBT_PUBLIC(void) MSG_vm_reboot(msg_vm_t vm);
 429
 430 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
 431
 432 XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
 433
 434 /*
 435 void* MSG_process_get_property(msg_process_t, char* key)
 436 void MSG_process_set_property(msg_process_t, char* key, void* data)
 437 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
 438
 439 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
 440 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
 441   // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
 442   //                              <100 si c'est pas CPU intensive)
 443   // Contraintes à poser:
 444   //   HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
 445   //   VM_coreAmount >= Load de toutes les tasks
 446 */
 447
 448   /*
 449 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
 450 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
 451 + des fonctions de filtrage sur les dynar
 452 */
 453 #include "instr/instr.h"
 454
 455
 456
 457 /* ****************************************************************************************** */
 458 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
 459 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);
 460
 461 /* ****************************************************************************************** */
 462 /* TUTORIAL: New API                                                                        */
 463 /* Declare all functions for the API                                                          */
 464 /* ****************************************************************************************** */
 465 XBT_PUBLIC(int) MSG_new_API_fct(const char* param1, double param2);
 466
 467 SG_END_DECL()
 468 #endif