src/msg/private.h

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2002,2004,2004 Arnaud Legrand. All rights reserved.        */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #ifndef METASIMGRID_PRIVATE_H
   9 #define METASIMGRID_PRIVATE_H
  10
  11 #include "msg/msg.h"
  12 #include "surf/surf.h"
  13 #include "xbt/fifo.h"
  14 #include "xbt/dynar.h"
  15 #include "xbt/swag.h"
  16 #include "xbt/dict.h"
  17 #include "xbt/context.h"
  18 #include "xbt/config.h"
  19 #include "xbt/mallocator.h"
  20
  21 /**************** datatypes **********************************/
  22
  23 typedef struct simdata_host {
  24   void *host;                   /* SURF modeling */
  25   xbt_fifo_t *mbox;             /* array of FIFOs used as a mailboxes  */
  26   m_process_t *sleeping;        /* array of process used to know whether a local process is
  27                                    waiting for a communication on a channel */
  28   xbt_fifo_t process_list;
  29 } s_simdata_host_t;
  30
  31 /********************************* Task **************************************/
  32
  33 typedef struct simdata_task {
  34   surf_action_t compute;        /* SURF modeling of computation  */
  35   surf_action_t comm;           /* SURF modeling of communication  */
  36   double message_size;          /* Data size  */
  37   double computation_amount;    /* Computation size  */
  38   xbt_dynar_t sleeping;         /* process to wake-up */
  39   m_process_t sender;
  40   m_host_t source;
  41   double priority;
  42   double rate;
  43   int using;
  44   /*******  Parallel Tasks Only !!!! *******/
  45   int host_nb;
  46   void * *host_list;            /* SURF modeling */
  47   double *comp_amount;
  48   double *comm_amount;
  49 } s_simdata_task_t;
  50
  51 /******************************* Process *************************************/
  52
  53 typedef struct simdata_process {
  54   m_host_t host;                /* the host on which the process is running */
  55   xbt_context_t context;                /* the context that executes the scheduler fonction */
  56   int PID;                      /* used for debugging purposes */
  57   int PPID;                     /* The parent PID */
  58   m_task_t waiting_task;
  59   int blocked;
  60   int suspended;
  61   m_host_t put_host;            /* used for debugging purposes */
  62   m_channel_t put_channel;      /* used for debugging purposes */
  63   int argc;                     /* arguments number if any */
  64   char **argv;                  /* arguments table if any */
  65   MSG_error_t last_errno;       /* the last value returned by a MSG_function */
  66   int paje_state;               /* the number of states stacked with Paje */
  67 } s_simdata_process_t;
  68
  69 typedef struct process_arg {
  70   const char *name;
  71   m_process_code_t code;
  72   void *data;
  73   m_host_t host;
  74   int argc;
  75   char **argv;
  76   double kill_time;
  77 } s_process_arg_t, *process_arg_t;
  78
  79 /************************** Global variables ********************************/
  80 typedef struct MSG_Global {
  81   xbt_fifo_t host;
  82   xbt_fifo_t process_to_run;
  83   xbt_fifo_t process_list;
  84   int max_channel;
  85   m_process_t current_process;
  86   xbt_dict_t registered_functions;
  87   FILE *paje_output;
  88   int paje_maxPID;
  89   int PID;
  90   int session;
  91   xbt_mallocator_t task_mallocator;
  92   xbt_mallocator_t task_simdata_mallocator;
  93 } s_MSG_Global_t, *MSG_Global_t;
  94
  95 extern MSG_Global_t msg_global;
  96
  97 /************************** Configuration support ********************************/
  98 XBT_PUBLIC void msg_config_init(void); /* create the config set, call this before use! */
  99 XBT_PUBLIC void msg_config_finalize(void); /* destroy the config set, call this at cleanup. */
 100 extern int _msg_init_status; /* 0: beginning of time;
 101                                 1: pre-inited (cfg_set created);
 102                                 2: inited (running) */
 103 extern xbt_cfg_t _msg_cfg_set;
 104
 105 /*************************************************************/
 106
 107 #define PROCESS_SET_ERRNO(val) (MSG_process_self()->simdata->last_errno=val)
 108 #define PROCESS_GET_ERRNO() (MSG_process_self()->simdata->last_errno)
 109 #define MSG_RETURN(val) do {PROCESS_SET_ERRNO(val);return(val);} while(0)
 110 /* #define CHECK_ERRNO()  ASSERT((PROCESS_GET_ERRNO()!=MSG_HOST_FAILURE),"Host failed, you cannot call this function.") */
 111
 112 #define CHECK_HOST()  xbt_assert0(surf_workstation_resource->extension_public-> \
 113                                   get_state(MSG_host_self()->simdata->host)==SURF_CPU_ON,\
 114                                   "Host failed, you cannot call this function.")
 115
 116 XBT_PUBLIC m_host_t __MSG_host_create(const char *name, void *workstation,
 117                            void *data);
 118 XBT_PUBLIC void __MSG_host_destroy(m_host_t host);
 119 XBT_PUBLIC void __MSG_task_execute(m_process_t process, m_task_t task);
 120 XBT_PUBLIC MSG_error_t __MSG_wait_for_computation(m_process_t process, m_task_t task);
 121 XBT_PUBLIC MSG_error_t __MSG_task_wait_event(m_process_t process, m_task_t task);
 122
 123 XBT_PUBLIC int __MSG_process_block(double max_duration, const char *info);
 124 XBT_PUBLIC MSG_error_t __MSG_process_unblock(m_process_t process);
 125 XBT_PUBLIC int __MSG_process_isBlocked(m_process_t process);
 126
 127 XBT_PUBLIC void __MSG_display_process_status(void);
 128
 129 XBT_PUBLIC m_task_t task_mallocator_new_f(void);
 130 XBT_PUBLIC void task_mallocator_free_f(m_task_t task);
 131 XBT_PUBLIC void task_mallocator_reset_f(m_task_t task);
 132
 133 #ifdef ALVIN_SPECIAL_LOGING
 134 #define PAJE_PROCESS_STATE(process,state)\
 135   if(msg_global->paje_output) \
 136     fprintf(msg_global->paje_output,"10 %f S_t P%d %s\n",\
 137             surf_get_clock(), (process)->simdata->PID,(state))
 138 #define PAJE_PROCESS_PUSH_STATE(process,state)\
 139   if(msg_global->paje_output) { \
 140     fprintf(msg_global->paje_output,"11 %f S_t P%d %s\n",\
 141             surf_get_clock(), (process)->simdata->PID,(state));\
 142     (process)->simdata->paje_state++; \
 143   }
 144 #define PAJE_PROCESS_POP_STATE(process)\
 145   if(msg_global->paje_output) { \
 146     fprintf(msg_global->paje_output,"12 %f S_t P%d\n",\
 147             surf_get_clock(), (process)->simdata->PID); \
 148     (process)->simdata->paje_state--; \
 149   }
 150 #define PAJE_PROCESS_FREE(process)
 151 #define PAJE_PROCESS_NEW(process)\
 152   if((msg_global->paje_output)) {\
 153     if((msg_global->session==0) || ((msg_global->session>0) && ((process)->simdata->PID > msg_global->paje_maxPID))) \
 154     fprintf(msg_global->paje_output,"7 %f P%d P_t %p \"%s %d (%d)\"\n", \
 155             surf_get_clock(), (process)->simdata->PID, (process)->simdata->host, \
 156             (process)->name, (process)->simdata->PID, msg_global->session);\
 157     if(msg_global->paje_maxPID<(process)->simdata->PID) msg_global->paje_maxPID=(process)->simdata->PID;\
 158     }
 159 #define PAJE_COMM_START(process,task,channel)\
 160   if(msg_global->paje_output) \
 161     fprintf(msg_global->paje_output,\
 162             "16 %f      Comm    CUR     COMM_%d P%d     %p\n", \
 163             surf_get_clock(), channel, (process)->simdata->PID, task)
 164 #define PAJE_COMM_STOP(process,task,channel)\
 165   if(msg_global->paje_output) \
 166     fprintf(msg_global->paje_output,\
 167             "17 %f      Comm    CUR     COMM_%d P%d     %p\n", \
 168             surf_get_clock(), channel, (process)->simdata->PID, task)
 169 #define PAJE_HOST_NEW(host)\
 170   if(msg_global->paje_output)\
 171     fprintf(msg_global->paje_output,"7 %f %p H_t CUR \"%s\"\n",surf_get_clock(), \
 172             host, host->name)
 173 #define PAJE_HOST_FREE(host)\
 174   if(msg_global->paje_output)\
 175     fprintf(msg_global->paje_output,"8 %f %p H_t\n",surf_get_clock(), host)
 176
 177 #else
 178
 179 #define PAJE_PROCESS_STATE(process,state)\
 180   if(msg_global->paje_output) \
 181     fprintf(msg_global->paje_output,"10 %f S_t %p %s\n",\
 182             surf_get_clock(), (process),(state))
 183 #define PAJE_PROCESS_PUSH_STATE(process,state,task)\
 184   if(msg_global->paje_output) \
 185     fprintf(msg_global->paje_output,"11 %f S_t %p %s \"%s\"\n",\
 186             surf_get_clock(), (process),(state),(task)?((m_task_t)(task))->name:"")
 187 #define PAJE_PROCESS_POP_STATE(process)\
 188   if(msg_global->paje_output) \
 189     fprintf(msg_global->paje_output,"12 %f S_t %p\n",\
 190             surf_get_clock(), (process))
 191
 192 #define PAJE_PROCESS_FREE(process)\
 193   if(msg_global->paje_output) \
 194     fprintf(msg_global->paje_output,"8 %f %p P_t\n", \
 195             surf_get_clock(), (process))
 196 #define PAJE_PROCESS_NEW(process)\
 197   if(msg_global->paje_output) \
 198     fprintf(msg_global->paje_output,"7 %f %p P_t %p \"%s %d (%d)\"\n", \
 199             surf_get_clock(), (process), (process)->simdata->host, \
 200             (process)->name, (process)->simdata->PID, msg_global->session)
 201 #define PAJE_COMM_START(process,task,channel)\
 202   if(msg_global->paje_output) \
 203     fprintf(msg_global->paje_output,\
 204             "16 %f      Comm    CUR     \"CHANNEL_%d %s\"       %p      %p\n", \
 205             surf_get_clock(), channel, task->name, (process), task)
 206 #define PAJE_COMM_STOP(process,task,channel)\
 207   if(msg_global->paje_output) \
 208     fprintf(msg_global->paje_output,\
 209             "17 %f      Comm    CUR     \"CHANNEL_%d %s\"       %p      %p\n", \
 210             surf_get_clock(), channel, task->name, (process), task)
 211 #define PAJE_HOST_NEW(host)\
 212   if(msg_global->paje_output)\
 213     fprintf(msg_global->paje_output,"7 %f %p H_t CUR \"%s\"\n",surf_get_clock(), \
 214             host, host->name)
 215 #define PAJE_HOST_FREE(host)\
 216   if(msg_global->paje_output)\
 217     fprintf(msg_global->paje_output,"8 %f %p H_t\n",surf_get_clock(), host);
 218
 219 #endif /* Alvin_Special_Loging */
 220 #endif