include/simgrid/simix.h

   1 /* Copyright (c) 2007, 2008, 2009, 2010. 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/file_stat.h"
  14 #include "xbt/function_types.h"
  15 #include "xbt/parmap.h"
  16 #include "xbt/swag.h"
  17
  18 #include "simgrid/platf.h" // ws_params_t
  19
  20 SG_BEGIN_DECL()
  21
  22 /**************************** Scalar Values **********************************/
  23
  24 typedef union u_smx_scalar u_smx_scalar_t;
  25
  26 /* ******************************** Host ************************************ */
  27 /** @brief Host datatype
  28     @ingroup simix_host_management
  29
  30     A <em>location</em> (or <em>host</em>) is any possible place where
  31     a process may run. Thus it is represented as a <em>physical
  32     resource with computing capabilities</em>, some <em>mailboxes</em>
  33     to enable running process to communicate with remote ones, and
  34     some <em>private data</em> that can be only accessed by local
  35     process.
  36
  37     \see m_host_management
  38   @{ */
  39 typedef xbt_dictelm_t smx_host_t;
  40 typedef struct s_smx_host_priv *smx_host_priv_t;
  41 typedef enum {
  42   SIMIX_WAITING,
  43   SIMIX_READY,
  44   SIMIX_RUNNING,
  45   SIMIX_DONE,
  46   SIMIX_CANCELED,
  47   SIMIX_FAILED,
  48   SIMIX_SRC_HOST_FAILURE,
  49   SIMIX_DST_HOST_FAILURE,
  50   SIMIX_SRC_TIMEOUT,
  51   SIMIX_DST_TIMEOUT,
  52   SIMIX_LINK_FAILURE
  53 } e_smx_state_t;
  54 /** @} */
  55
  56
  57 typedef struct s_smx_timer* smx_timer_t;
  58
  59 /* ******************************** Synchro ************************************ */
  60 /**
  61  * \ingroup simix_synchro_management
  62  */
  63 typedef struct s_smx_mutex *smx_mutex_t;
  64 /**
  65  * \ingroup simix_synchro_management
  66  */
  67 typedef struct s_smx_cond *smx_cond_t;
  68 /**
  69  * \ingroup simix_synchro_management
  70  */
  71 typedef struct s_smx_sem *smx_sem_t;
  72
  73 /********************************** File *************************************/
  74 typedef struct s_smx_file *smx_file_t;
  75 typedef struct s_smx_stat *smx_stat_t;
  76
  77 /********************************** Action *************************************/
  78 typedef struct s_smx_action *smx_action_t; /* FIXME: replace by specialized action handlers */
  79
  80
  81
  82 /* ****************************** Process *********************************** */
  83 /** @brief Process datatype
  84     @ingroup simix_process_management
  85
  86     A processt may be defined as a <em>code</em>, with some <em>private
  87     data</em>, executing in a <em>location</em>.
  88     \see m_process_management
  89   @{ */
  90 typedef struct s_smx_process *smx_process_t;
  91 /** @} */
  92
  93
  94 /*
  95  * Type of function that creates a process.
  96  * The function must accept the following parameters:
  97  * void* process: the process created will be stored there
  98  * const char *name: a name for the object. It is for user-level information and can be NULL
  99  * xbt_main_func_t code: is a function describing the behavior of the process
 100  * void *data: data a pointer to any data one may want to attach to the new object.
 101  * smx_host_t host: the location where the new process is executed
 102  * int argc, char **argv: parameters passed to code
 103  * xbt_dict_t pros: properties
 104  */
 105 typedef void (*smx_creation_func_t) ( /* process */ smx_process_t*,
 106                                       /* name */ const char*,
 107                                       /* code */ xbt_main_func_t,
 108                                       /* userdata */ void*,
 109                                       /* hostname */ const char*,
 110                                       /* kill_time */ double,
 111                                       /* argc */ int,
 112                                       /* argv */ char**,
 113                                       /* props */ xbt_dict_t,
 114                                       /* auto_restart */ int);
 115
 116
 117 /******************************* Networking ***********************************/
 118 /**
 119  * \ingroup simix_rdv_management
 120  */
 121 typedef struct s_smx_rvpoint *smx_rdv_t;
 122
 123 XBT_PUBLIC(void*) SIMIX_comm_get_src_data(smx_action_t action);
 124 XBT_PUBLIC(void*) SIMIX_comm_get_dst_data(smx_action_t action);
 125
 126 /******************************** Context *************************************/
 127 typedef struct s_smx_context *smx_context_t;
 128 typedef struct s_smx_context_factory *smx_context_factory_t;
 129
 130 /* Process creation/destruction callbacks */
 131 typedef void (*void_pfn_smxprocess_t) (smx_process_t);
 132 /* Process kill */
 133 typedef void (*void_pfn_smxprocess_t_smxprocess_t) (smx_process_t, smx_process_t);
 134 /* for auto-restart function */
 135 typedef void (*void_pfn_smxhost_t) (smx_host_t);
 136
 137 /* The following function pointer types describe the interface that any context
 138    factory should implement */
 139
 140
 141 typedef smx_context_t(*smx_pfn_context_factory_create_context_t)
 142   (xbt_main_func_t, int, char **, void_pfn_smxprocess_t, void* data);
 143 typedef int (*smx_pfn_context_factory_finalize_t) (smx_context_factory_t*);
 144 typedef void (*smx_pfn_context_free_t) (smx_context_t);
 145 typedef void (*smx_pfn_context_start_t) (smx_context_t);
 146 typedef void (*smx_pfn_context_stop_t) (smx_context_t);
 147 typedef void (*smx_pfn_context_suspend_t) (smx_context_t context);
 148 typedef void (*smx_pfn_context_runall_t) (void);
 149 typedef smx_context_t (*smx_pfn_context_self_t) (void);
 150 typedef void* (*smx_pfn_context_get_data_t) (smx_context_t context);
 151
 152 /* interface of the context factories */
 153 typedef struct s_smx_context_factory {
 154   const char *name;
 155   smx_pfn_context_factory_create_context_t create_context;
 156   smx_pfn_context_factory_finalize_t finalize;
 157   smx_pfn_context_free_t free;
 158   smx_pfn_context_stop_t stop;
 159   smx_pfn_context_suspend_t suspend;
 160   smx_pfn_context_runall_t runall;
 161   smx_pfn_context_self_t self;
 162   smx_pfn_context_get_data_t get_data;
 163 } s_smx_context_factory_t;
 164
 165 /* Hack: let msg load directly the right factory */
 166 typedef void (*smx_ctx_factory_initializer_t)(smx_context_factory_t*);
 167 XBT_PUBLIC(smx_ctx_factory_initializer_t) smx_factory_initializer_to_use;
 168 extern char* smx_context_factory_name;
 169 extern int smx_context_stack_size;
 170 extern int smx_context_stack_size_was_set;
 171
 172 /* *********************** */
 173 /* Context type definition */
 174 /* *********************** */
 175 /* the following function pointers types describe the interface that all context
 176    concepts must implement */
 177 /* each context type derive from this structure, so they must contain this structure
 178  * at their beginning -- OOP in C :/ */
 179 typedef struct s_smx_context {
 180   s_xbt_swag_hookup_t hookup;
 181   xbt_main_func_t code;
 182   void_pfn_smxprocess_t cleanup_func;
 183   void *data;   /* Here SIMIX stores the smx_process_t containing the context */
 184   char **argv;
 185   int argc;
 186   unsigned iwannadie:1;
 187 } s_smx_ctx_base_t;
 188
 189 /* methods of this class */
 190 XBT_PUBLIC(void) smx_ctx_base_factory_init(smx_context_factory_t *factory);
 191 XBT_PUBLIC(int) smx_ctx_base_factory_finalize(smx_context_factory_t *factory);
 192
 193 XBT_PUBLIC(smx_context_t)
 194 smx_ctx_base_factory_create_context_sized(size_t size,
 195                                           xbt_main_func_t code, int argc,
 196                                           char **argv,
 197                                           void_pfn_smxprocess_t cleanup,
 198                                           void* data);
 199 XBT_PUBLIC(void) smx_ctx_base_free(smx_context_t context);
 200 XBT_PUBLIC(void) smx_ctx_base_stop(smx_context_t context);
 201 XBT_PUBLIC(smx_context_t) smx_ctx_base_self(void);
 202 XBT_PUBLIC(void) *smx_ctx_base_get_data(smx_context_t context);
 203
 204 XBT_PUBLIC(xbt_dynar_t) SIMIX_process_get_runnable(void);
 205 XBT_PUBLIC(smx_process_t) SIMIX_process_from_PID(int PID);
 206 XBT_PUBLIC(xbt_dynar_t) SIMIX_processes_as_dynar(void);
 207
 208 /* parallelism */
 209 XBT_PUBLIC(int) SIMIX_context_is_parallel(void);
 210 XBT_PUBLIC(int) SIMIX_context_get_nthreads(void);
 211 XBT_PUBLIC(void) SIMIX_context_set_nthreads(int nb_threads);
 212 XBT_PUBLIC(int) SIMIX_context_get_parallel_threshold(void);
 213 XBT_PUBLIC(void) SIMIX_context_set_parallel_threshold(int threshold);
 214 XBT_PUBLIC(e_xbt_parmap_mode_t) SIMIX_context_get_parallel_mode(void);
 215 XBT_PUBLIC(void) SIMIX_context_set_parallel_mode(e_xbt_parmap_mode_t mode);
 216
 217
 218
 219 /********************************** Global ************************************/
 220 /* Initialization and exit */
 221 XBT_PUBLIC(void) SIMIX_global_init(int *argc, char **argv);
 222
 223
 224 XBT_PUBLIC(void) SIMIX_function_register_process_cleanup(void_pfn_smxprocess_t function);
 225 XBT_PUBLIC(void) SIMIX_function_register_process_create(smx_creation_func_t function);
 226 XBT_PUBLIC(void) SIMIX_function_register_process_kill(void_pfn_smxprocess_t_smxprocess_t function);
 227
 228 /* Simulation execution */
 229 XBT_PUBLIC(void) SIMIX_run(void);
 230 XBT_PUBLIC(double) SIMIX_get_clock(void);
 231
 232 /* Timer functions FIXME: should these be public? */
 233 XBT_PUBLIC(void) SIMIX_timer_set(double date, void *function, void *arg);
 234 XBT_PUBLIC(double) SIMIX_timer_next(void);
 235
 236 XBT_PUBLIC(void) SIMIX_display_process_status(void);
 237
 238 /******************************* Environment **********************************/
 239 XBT_PUBLIC(void) SIMIX_create_environment(const char *file);
 240
 241 /******************************** Deployment **********************************/
 242
 243 XBT_PUBLIC(void) SIMIX_function_register(const char *name, xbt_main_func_t code);
 244 XBT_PUBLIC(void) SIMIX_function_register_default(xbt_main_func_t code);
 245 XBT_PUBLIC(xbt_main_func_t) SIMIX_get_registered_function(const char *name);
 246 XBT_PUBLIC(void) SIMIX_init_application(void);
 247 XBT_PUBLIC(void) SIMIX_launch_application(const char *file);
 248
 249 XBT_PUBLIC(void) SIMIX_process_set_function(const char* process_host,
 250                                             const char *process_function,
 251                                             xbt_dynar_t arguments,
 252                                             double process_start_time,
 253                                             double process_kill_time);
 254
 255 /*********************************** Host *************************************/
 256 //XBT_PUBLIC(xbt_dict_t) SIMIX_host_get_dict(u_smx_scalar_t *args);
 257 XBT_PUBLIC(smx_host_t) SIMIX_host_get_by_name(const char *name);
 258 XBT_PUBLIC(smx_host_t) SIMIX_host_self(void);
 259 XBT_PUBLIC(const char*) SIMIX_host_self_get_name(void);
 260 XBT_PUBLIC(const char*) SIMIX_host_get_name(smx_host_t host); /* FIXME: make private: only the name of SIMIX_host_self() should be public without request */
 261 XBT_PUBLIC(void) SIMIX_host_self_set_data(void *data);
 262 XBT_PUBLIC(void*) SIMIX_host_self_get_data(void);
 263 XBT_PUBLIC(void*) SIMIX_host_get_data(smx_host_t host);
 264 XBT_PUBLIC(void) SIMIX_host_set_data(smx_host_t host, void *data);
 265
 266 /********************************* Process ************************************/
 267 XBT_PUBLIC(int) SIMIX_process_count(void);
 268 XBT_PUBLIC(smx_process_t) SIMIX_process_self(void);
 269 XBT_PUBLIC(const char*) SIMIX_process_self_get_name(void);
 270 XBT_PUBLIC(void) SIMIX_process_self_set_data(smx_process_t self, void *data);
 271 XBT_PUBLIC(void*) SIMIX_process_self_get_data(smx_process_t self);
 272 XBT_PUBLIC(smx_context_t) SIMIX_process_get_context(smx_process_t);
 273 XBT_PUBLIC(void) SIMIX_process_set_context(smx_process_t p,smx_context_t c);
 274 XBT_PUBLIC(int) SIMIX_process_has_pending_comms(smx_process_t process);
 275 XBT_PUBLIC(void) SIMIX_process_on_exit_runall(smx_process_t process);
 276 XBT_PUBLIC(void) SIMIX_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data);
 277
 278 /****************************** Communication *********************************/
 279 XBT_PUBLIC(void) SIMIX_comm_set_copy_data_callback(void (*callback) (smx_action_t, void*, size_t));
 280 XBT_PUBLIC(void) SIMIX_comm_copy_pointer_callback(smx_action_t comm, void* buff, size_t buff_size);
 281 XBT_PUBLIC(void) SIMIX_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size);
 282
 283 XBT_PUBLIC(smx_action_t) SIMIX_comm_get_send_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 284 XBT_PUBLIC(int) SIMIX_comm_has_send_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 285 XBT_PUBLIC(int) SIMIX_comm_has_recv_match(smx_rdv_t rdv, int (*match_fun)(void*, void*), void* data);
 286 XBT_PUBLIC(void) SIMIX_comm_finish(smx_action_t action);
 287
 288 /******************************************************************************/
 289 /*                            SIMIX simcalls                                  */
 290 /******************************************************************************/
 291 /* These functions are a system call-like interface to the simulation kernel. */
 292 /* They can also be called from maestro's context, and they are thread safe.  */
 293 /******************************************************************************/
 294
 295 /******************************* Host simcalls ********************************/
 296 /* TODO use handlers and keep smx_host_t hidden from higher levels */
 297 XBT_PUBLIC(smx_host_t) simcall_host_get_by_name(const char *name);
 298 XBT_PUBLIC(const char *) simcall_host_get_name(smx_host_t host);
 299 XBT_PUBLIC(xbt_dict_t) simcall_host_get_properties(smx_host_t host);
 300 XBT_PUBLIC(double) simcall_host_get_speed(smx_host_t host);
 301 XBT_PUBLIC(double) simcall_host_get_available_speed(smx_host_t host);
 302 /* Two possible states, 1 - CPU ON and 0 CPU OFF */
 303 XBT_PUBLIC(int) simcall_host_get_state(smx_host_t host);
 304 XBT_PUBLIC(void *) simcall_host_get_data(smx_host_t host);
 305
 306 XBT_PUBLIC(void) simcall_host_set_data(smx_host_t host, void *data);
 307
 308 XBT_PUBLIC(smx_action_t) simcall_host_execute(const char *name, smx_host_t host,
 309                                                 double computation_amount,
 310                                                 double priority);
 311 XBT_PUBLIC(smx_action_t) simcall_host_parallel_execute(const char *name,
 312                                                      int host_nb,
 313                                                      smx_host_t *host_list,
 314                                                      double *computation_amount,
 315                                                      double *communication_amount,
 316                                                      double amount,
 317                                                      double rate);
 318 XBT_PUBLIC(void) simcall_host_execution_destroy(smx_action_t execution);
 319 XBT_PUBLIC(void) simcall_host_execution_cancel(smx_action_t execution);
 320 XBT_PUBLIC(double) simcall_host_execution_get_remains(smx_action_t execution);
 321 XBT_PUBLIC(e_smx_state_t) simcall_host_execution_get_state(smx_action_t execution);
 322 XBT_PUBLIC(void) simcall_host_execution_set_priority(smx_action_t execution, double priority);
 323 XBT_PUBLIC(e_smx_state_t) simcall_host_execution_wait(smx_action_t execution);
 324 XBT_PUBLIC(void) simcall_host_get_params(smx_host_t vm, ws_params_t param);
 325 XBT_PUBLIC(void) simcall_host_set_params(smx_host_t vm, ws_params_t param);
 326
 327 /******************************* VM simcalls ********************************/
 328 // Create the vm_workstation at the SURF level
 329 XBT_PUBLIC(void*) simcall_vm_create(const char *name, smx_host_t host);
 330 XBT_PUBLIC(int) simcall_vm_get_state(smx_host_t vm);
 331 XBT_PUBLIC(void) simcall_vm_start(smx_host_t vm);
 332 XBT_PUBLIC(void) simcall_vm_migrate(smx_host_t vm, smx_host_t dst_pm);
 333 XBT_PUBLIC(void *) simcall_vm_get_pm(smx_host_t vm);
 334 XBT_PUBLIC(void) simcall_vm_resume(smx_host_t vm);
 335 XBT_PUBLIC(void) simcall_vm_save(smx_host_t vm);
 336 XBT_PUBLIC(void) simcall_vm_restore(smx_host_t vm);
 337 XBT_PUBLIC(void) simcall_vm_suspend(smx_host_t vm);
 338 XBT_PUBLIC(void) simcall_vm_destroy(smx_host_t vm);
 339 XBT_PUBLIC(void) simcall_vm_shutdown(smx_host_t vm);
 340
 341 /**************************** Process simcalls ********************************/
 342 /* Constructor and Destructor */
 343 XBT_PUBLIC(void) simcall_process_create(smx_process_t *process,
 344                                           const char *name,
 345                                           xbt_main_func_t code,
 346                                           void *data,
 347                                           const char *hostname,
 348                                           double kill_time,
 349                                           int argc, char **argv,
 350                                           xbt_dict_t properties,
 351                                           int auto_restart);
 352
 353 XBT_PUBLIC(void) simcall_process_kill(smx_process_t process);
 354 XBT_PUBLIC(void) simcall_process_killall(int reset_pid);
 355
 356 /* Process handling */
 357 XBT_PUBLIC(void) simcall_process_cleanup(smx_process_t process);
 358 XBT_PUBLIC(void) simcall_process_change_host(smx_process_t process,
 359                  smx_host_t dest);
 360 XBT_PUBLIC(void) simcall_process_suspend(smx_process_t process);
 361 XBT_PUBLIC(void) simcall_process_resume(smx_process_t process);
 362
 363 /* Getters and Setters */
 364 XBT_PUBLIC(int) simcall_process_count(void);
 365 XBT_PUBLIC(void *) simcall_process_get_data(smx_process_t process);
 366 XBT_PUBLIC(void) simcall_process_set_data(smx_process_t process, void *data);
 367 XBT_PUBLIC(smx_host_t) simcall_process_get_host(smx_process_t process);
 368 XBT_PUBLIC(const char *) simcall_process_get_name(smx_process_t process);
 369 XBT_PUBLIC(int) simcall_process_get_PID(smx_process_t process);
 370 XBT_PUBLIC(int) simcall_process_get_PPID(smx_process_t process);
 371 XBT_PUBLIC(int) simcall_process_is_suspended(smx_process_t process);
 372 XBT_PUBLIC(xbt_dict_t) simcall_process_get_properties(smx_process_t host);
 373 XBT_PUBLIC(void) simcall_process_set_kill_time(smx_process_t process, double kill_time);
 374 XBT_PUBLIC(void) simcall_process_on_exit(smx_process_t process, int_f_pvoid_t fun, void *data);
 375 XBT_PUBLIC(void) simcall_process_auto_restart_set(smx_process_t process, int auto_restart);
 376 XBT_PUBLIC(smx_process_t) simcall_process_restart(smx_process_t process);
 377 /* Sleep control */
 378 XBT_PUBLIC(e_smx_state_t) simcall_process_sleep(double duration);
 379
 380 /************************** Comunication simcalls *****************************/
 381 /***** Rendez-vous points *****/
 382
 383 XBT_PUBLIC(smx_rdv_t) simcall_rdv_create(const char *name);
 384 XBT_PUBLIC(void) simcall_rdv_destroy(smx_rdv_t rvp);
 385 XBT_PUBLIC(smx_rdv_t) simcall_rdv_get_by_name(const char *name);
 386 XBT_PUBLIC(int) simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host);
 387 XBT_PUBLIC(smx_action_t) simcall_rdv_get_head(smx_rdv_t rdv);
 388 XBT_PUBLIC(smx_process_t) simcall_rdv_get_receiver(smx_rdv_t rdv);
 389 XBT_PUBLIC(void) simcall_rdv_set_receiver(smx_rdv_t rdv , smx_process_t process);
 390
 391 XBT_PUBLIC(xbt_dict_t) SIMIX_get_rdv_points(void);
 392
 393 /***** Communication simcalls *****/
 394
 395 XBT_PUBLIC(void) simcall_comm_send(smx_rdv_t rdv, double task_size,
 396                                      double rate, void *src_buff,
 397                                      size_t src_buff_size,
 398                                      int (*match_fun)(void *, void *, smx_action_t),
 399                                      void *data, double timeout);
 400
 401 XBT_PUBLIC(smx_action_t) simcall_comm_isend(smx_rdv_t rdv, double task_size,
 402                                               double rate, void *src_buff,
 403                                               size_t src_buff_size,
 404                                               int (*match_fun)(void *, void *, smx_action_t),
 405                                               void (*clean_fun)(void *),
 406                                               void *data, int detached);
 407
 408 XBT_PUBLIC(void) simcall_comm_recv(smx_rdv_t rdv, void *dst_buff,
 409                                      size_t * dst_buff_size,
 410                                      int (*match_fun)(void *, void *, smx_action_t),
 411                                      void *data, double timeout);
 412
 413 XBT_PUBLIC(smx_action_t) simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff,
 414                                               size_t * dst_buff_size,
 415                                               int (*match_fun)(void *, void *, smx_action_t),
 416                                               void *data);
 417
 418 XBT_PUBLIC(void) simcall_comm_recv_bounded(smx_rdv_t rdv, void *dst_buff,
 419                                      size_t * dst_buff_size,
 420                                      int (*match_fun)(void *, void *, smx_action_t),
 421                                      void *data, double timeout, double rate);
 422
 423 XBT_PUBLIC(smx_action_t) simcall_comm_irecv_bounded(smx_rdv_t rdv, void *dst_buff,
 424                                               size_t * dst_buff_size,
 425                                               int (*match_fun)(void *, void *, smx_action_t),
 426                                               void *data, double rate);
 427
 428 XBT_PUBLIC(void) simcall_comm_destroy(smx_action_t comm);
 429 XBT_PUBLIC(smx_action_t) simcall_comm_iprobe(smx_rdv_t rdv, int src, int tag,
 430                                 int (*match_fun)(void *, void *, smx_action_t), void *data);
 431 XBT_PUBLIC(void) simcall_comm_cancel(smx_action_t comm);
 432
 433 /* FIXME: waitany is going to be a vararg function, and should take a timeout */
 434 XBT_PUBLIC(unsigned int) simcall_comm_waitany(xbt_dynar_t comms);
 435 XBT_PUBLIC(void) simcall_comm_wait(smx_action_t comm, double timeout);
 436 XBT_PUBLIC(int) simcall_comm_test(smx_action_t comm);
 437 XBT_PUBLIC(int) simcall_comm_testany(xbt_dynar_t comms);
 438
 439 /* Getters and setters */
 440 XBT_PUBLIC(double) simcall_comm_get_remains(smx_action_t comm);
 441 XBT_PUBLIC(e_smx_state_t) simcall_comm_get_state(smx_action_t comm);
 442 XBT_PUBLIC(void *) simcall_comm_get_src_data(smx_action_t comm);
 443 XBT_PUBLIC(void *) simcall_comm_get_dst_data(smx_action_t comm);
 444 XBT_PUBLIC(smx_process_t) simcall_comm_get_src_proc(smx_action_t comm);
 445 XBT_PUBLIC(smx_process_t) simcall_comm_get_dst_proc(smx_action_t comm);
 446
 447 #ifdef HAVE_LATENCY_BOUND_TRACKING
 448 XBT_PUBLIC(int) simcall_comm_is_latency_bounded(smx_action_t comm);
 449 #endif
 450
 451 #ifdef HAVE_TRACING
 452 /************************** Tracing handling **********************************/
 453 XBT_PUBLIC(void) simcall_set_category(smx_action_t action, const char *category);
 454 #endif
 455
 456 /************************** Synchro simcalls **********************************/
 457
 458 XBT_PUBLIC(smx_mutex_t) simcall_mutex_init(void);
 459 XBT_PUBLIC(void) simcall_mutex_destroy(smx_mutex_t mutex);
 460 XBT_PUBLIC(void) simcall_mutex_lock(smx_mutex_t mutex);
 461 XBT_PUBLIC(int) simcall_mutex_trylock(smx_mutex_t mutex);
 462 XBT_PUBLIC(void) simcall_mutex_unlock(smx_mutex_t mutex);
 463
 464 XBT_PUBLIC(smx_cond_t) simcall_cond_init(void);
 465 XBT_PUBLIC(void) simcall_cond_destroy(smx_cond_t cond);
 466 XBT_PUBLIC(void) simcall_cond_signal(smx_cond_t cond);
 467 XBT_PUBLIC(void) simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
 468 XBT_PUBLIC(void) simcall_cond_wait_timeout(smx_cond_t cond,
 469                                          smx_mutex_t mutex,
 470                                          double max_duration);
 471 XBT_PUBLIC(void) simcall_cond_broadcast(smx_cond_t cond);
 472
 473 XBT_PUBLIC(smx_sem_t) simcall_sem_init(int capacity);
 474 XBT_PUBLIC(void) simcall_sem_destroy(smx_sem_t sem);
 475 XBT_PUBLIC(void) simcall_sem_release(smx_sem_t sem);
 476 XBT_PUBLIC(int) simcall_sem_would_block(smx_sem_t sem);
 477 XBT_PUBLIC(void) simcall_sem_acquire(smx_sem_t sem);
 478 XBT_PUBLIC(void) simcall_sem_acquire_timeout(smx_sem_t sem,
 479                                            double max_duration);
 480 XBT_PUBLIC(int) simcall_sem_get_capacity(smx_sem_t sem);
 481
 482 XBT_PUBLIC(double) simcall_file_read(void* ptr, size_t size, size_t nmemb, smx_file_t stream);
 483 XBT_PUBLIC(size_t) simcall_file_write(const void* ptr, size_t size, size_t nmemb, smx_file_t stream);
 484 XBT_PUBLIC(smx_file_t) simcall_file_open(const char* storage, const char* path, const char* mode);
 485 XBT_PUBLIC(int) simcall_file_close(smx_file_t fp);
 486 XBT_PUBLIC(int) simcall_file_stat(smx_file_t fd, s_file_stat_t *buf);
 487 XBT_PUBLIC(int) simcall_file_unlink(smx_file_t fd);
 488 XBT_PUBLIC(xbt_dict_t) simcall_file_ls(const char* mount, const char* path);
 489
 490 /************************** AS router   **********************************/
 491 XBT_PUBLIC(xbt_dict_t) SIMIX_asr_get_properties(const char *name);
 492 /************************** AS router simcalls ***************************/
 493 XBT_PUBLIC(xbt_dict_t) simcall_asr_get_properties(const char *name);
 494
 495 /************************** MC simcalls   **********************************/
 496 XBT_PUBLIC(void *) simcall_mc_snapshot(void);
 497 XBT_PUBLIC(int) simcall_mc_compare_snapshots(void *s1, void *s2);
 498 XBT_PUBLIC(int) simcall_mc_random(void);
 499
 500 /************************** New API simcalls **********************************/
 501 /* TUTORIAL: New API                                                          */
 502 /******************************************************************************/
 503 XBT_PUBLIC(int) simcall_new_api_fct(const char* param1, double param2);
 504
 505 SG_END_DECL()
 506 #endif                          /* _SIMIX_SIMIX_H */