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