3 /* Copyright (c) 2002,2004,2004 Arnaud Legrand. All rights reserved. */
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. */
8 #ifndef METASIMGRID_PRIVATE_H
9 #define METASIMGRID_PRIVATE_H
13 #include "simix/simix.h"
14 #include "surf/surf.h"
16 #include "xbt/dynar.h"
19 #include "xbt/context.h"
20 #include "xbt/config.h"
22 /**************** datatypes **********************************/
24 typedef struct simdata_host {
25 smx_host_t host; /* SURF modeling */
26 xbt_fifo_t *mbox; /* array of FIFOs used as a mailboxes */
27 smx_cond_t *sleeping; /* array of conditions on which the processes sleep if they are waiting for a communication on a channel */
28 smx_mutex_t mutex; /* mutex to access the host */
31 /********************************* Task **************************************/
33 typedef struct simdata_task {
34 smx_action_t compute; /* SURF modeling of computation */
35 smx_action_t comm; /* SURF modeling of communication */
36 double message_size; /* Data size */
37 double computation_amount; /* Computation size */
39 smx_mutex_t mutex; /* Task mutex */
46 /******* Parallel Tasks Only !!!! *******/
48 void * *host_list; /* SURF modeling */
53 /******************************* Process *************************************/
55 typedef struct simdata_process {
56 m_host_t host; /* the host on which the process is running */
57 smx_process_t smx_process;
58 int PID; /* used for debugging purposes */
59 int PPID; /* The parent PID */
60 m_host_t put_host; /* used for debugging purposes */
61 m_channel_t put_channel; /* used for debugging purposes */
62 m_task_t waiting_task;
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 } s_simdata_process_t;
68 typedef struct process_arg {
70 m_process_code_t code;
76 } s_process_arg_t, *process_arg_t;
78 /************************** Global variables ********************************/
79 typedef struct MSG_Global {
81 xbt_fifo_t process_list;
85 } s_MSG_Global_t, *MSG_Global_t;
87 extern MSG_Global_t msg_global;
89 /*************************************************************/
91 #define PROCESS_SET_ERRNO(val) (MSG_process_self()->simdata->last_errno=val)
92 #define PROCESS_GET_ERRNO() (MSG_process_self()->simdata->last_errno)
93 #define MSG_RETURN(val) do {PROCESS_SET_ERRNO(val);return(val);} while(0)
94 /* #define CHECK_ERRNO() ASSERT((PROCESS_GET_ERRNO()!=MSG_HOST_FAILURE),"Host failed, you cannot call this function.") */
96 #define CHECK_HOST() xbt_assert0(SIMIX_host_get_state(SIMIX_host_self())==1,\
97 "Host failed, you cannot call this function.")
99 m_host_t __MSG_host_create(smx_host_t workstation, void *data);
101 void __MSG_host_destroy(m_host_t host);
103 void __MSG_display_process_status(void);
105 m_process_t __MSG_process_create_with_arguments(const char *name,
106 m_process_code_t code, void *data,
107 char * hostname, int argc, char **argv);