src/simix/private.h

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2007 Arnaud Legrand, Bruno Donnassolo.
   4    All rights reserved.                                          */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9 #ifndef SIMIX_PRIVATE_H
  10 #define SIMIX_PRIVATE_H
  11
  12 #include <stdio.h>
  13 #include "simix/simix.h"
  14 #include "surf/surf.h"
  15 #include "xbt/fifo.h"
  16 #include "xbt/swag.h"
  17 #include "xbt/dict.h"
  18 #include "xbt/context.h"
  19 #include "xbt/config.h"
  20 #include "xbt/function_types.h"
  21
  22 /******************************* Datatypes **********************************/
  23
  24
  25 /********************************** Host ************************************/
  26
  27 typedef struct s_smx_simdata_host {
  28   void *host;                   /* SURF modeling */
  29   xbt_swag_t process_list;
  30 } s_smx_simdata_host_t;
  31
  32 /********************************* Simix Global ******************************/
  33
  34 typedef struct SIMIX_Global {
  35   xbt_fifo_t host;
  36   xbt_swag_t process_to_run;
  37   xbt_swag_t process_list;
  38
  39   smx_process_t current_process;
  40   xbt_dict_t registered_functions;
  41   smx_creation_func_t *create_process_function;
  42   void_f_pvoid_t* kill_process_function;
  43   void_f_pvoid_t* cleanup_process_function;
  44 } s_SIMIX_Global_t, *SIMIX_Global_t;
  45
  46 extern SIMIX_Global_t simix_global;
  47
  48 /******************************* Process *************************************/
  49
  50 typedef struct s_smx_simdata_process {
  51   smx_host_t s_host;                /* the host on which the process is running */
  52   xbt_context_t context;                /* the context that executes the scheduler fonction */
  53   int blocked;
  54   int suspended;
  55   smx_mutex_t mutex;            /* mutex on which the process is blocked  */
  56   smx_cond_t cond;              /* cond on which the process is blocked  */
  57   int argc;                     /* arguments number if any */
  58   char **argv;                  /* arguments table if any */
  59 } s_smx_simdata_process_t;
  60
  61 typedef struct s_smx_process_arg {
  62   const char *name;
  63   xbt_main_func_t code;
  64   void *data;
  65   char *hostname;
  66   int argc;
  67   char **argv;
  68   double kill_time;
  69 } s_smx_process_arg_t, *smx_process_arg_t;
  70
  71 /********************************* Mutex and Conditional ****************************/
  72
  73 typedef struct s_smx_mutex {
  74
  75    /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */
  76    xbt_swag_t sleeping;                 /* list of sleeping process */
  77    int using;
  78    /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */
  79
  80 } s_smx_mutex_t;
  81
  82 typedef struct s_smx_cond {
  83
  84    /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */
  85    xbt_swag_t sleeping;                         /* list of sleeping process */
  86    smx_mutex_t  mutex;
  87    xbt_fifo_t actions;                  /* list of actions */
  88    /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */
  89
  90 } s_smx_cond_t;
  91
  92 /********************************* Action **************************************/
  93
  94 typedef struct s_smx_simdata_action {
  95   surf_action_t surf_action;    /* SURF modeling of computation  */
  96
  97   smx_host_t source;
  98
  99 } s_smx_simdata_action_t;
 100
 101
 102
 103 /******************************* Configuration support **********************************/
 104
 105 void simix_config_init(void); /* create the config set, call this before use! */
 106 void simix_config_finalize(void); /* destroy the config set, call this at cleanup. */
 107 extern int _simix_init_status; /* 0: beginning of time;
 108                                 1: pre-inited (cfg_set created);
 109                                 2: inited (running) */
 110 extern xbt_cfg_t _simix_cfg_set;
 111
 112
 113 #define SIMIX_CHECK_HOST()  xbt_assert0(surf_workstation_resource->extension_public-> \
 114                                   get_state(SIMIX_host_self()->simdata->host)==SURF_CPU_ON,\
 115                                   "Host failed, you cannot call this function.")
 116
 117 smx_host_t __SIMIX_host_create(const char *name, void *workstation, void *data);
 118 void __SIMIX_host_destroy(smx_host_t host);
 119
 120 void __SIMIX_cond_wait(smx_cond_t cond);
 121
 122 #endif