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