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Make sure that created sequential tasks cannot look like parallel tasks because of...
[simgrid.git] / src / msg / private.h
1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #ifndef METASIMGRID_PRIVATE_H
8 #define METASIMGRID_PRIVATE_H
9
10 #include "msg/msg.h"
11 #include "simix/simix.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/config.h"
18 #include "instr/private.h"
19
20 SG_BEGIN_DECL()
21
22 /**************** datatypes **********************************/
23 /* this structure represents a mailbox */
24      typedef struct s_msg_mailbox {
25        char *alias;             /* the key of the mailbox in the global dictionary */
26        smx_cond_t cond;         /* the condition on the mailbox */
27        smx_rdv_t rdv;           /* SIMIX rendez-vous point */
28      } s_msg_mailbox_t;
29
30      typedef struct simdata_host {
31        smx_host_t smx_host;     /* SURF modeling                                                                */
32        struct s_msg_mailbox **mailboxes;        /* mailboxes to store msg tasks of of the host  */
33        smx_mutex_t mutex;       /* mutex to access the host                                     */
34      } s_simdata_host_t;
35
36 /********************************* Task **************************************/
37
38      typedef struct simdata_task {
39        smx_action_t compute;    /* SURF modeling of computation  */
40        smx_comm_t comm;         /* SIMIX communication  */
41        double message_size;     /* Data size  */
42        double computation_amount;       /* Computation size  */
43        smx_cond_t cond;
44        smx_mutex_t mutex;       /* Task mutex */
45        m_process_t sender;
46        m_process_t receiver;
47        m_host_t source;
48        double priority;
49        double rate;
50        int refcount;
51        int host_nb; /* ==0 if sequential task; parallel task if not */
52   /*******  Parallel Tasks Only !!!! *******/
53        smx_host_t *host_list;
54        double *comp_amount;
55        double *comm_amount;
56      } s_simdata_task_t;
57
58 /******************************* Process *************************************/
59
60      typedef struct simdata_process {
61        m_host_t m_host;         /* the host on which the process is running */
62        smx_process_t s_process;
63        int PID;                 /* used for debugging purposes */
64        int PPID;                /* The parent PID */
65        m_host_t put_host;       /* used for debugging purposes */
66        m_channel_t put_channel; /* used for debugging purposes */
67        smx_action_t waiting_action;
68        m_task_t waiting_task;
69        int argc;                /* arguments number if any */
70        char **argv;             /* arguments table if any */
71        MSG_error_t last_errno;  /* the last value returned by a MSG_function */
72      } s_simdata_process_t;
73
74      typedef struct process_arg {
75        const char *name;
76        xbt_main_func_t code;
77        void *data;
78        m_host_t m_host;
79        int argc;
80        char **argv;
81        double kill_time;
82      } s_process_arg_t, *process_arg_t;
83
84 /************************** Global variables ********************************/
85      typedef struct MSG_Global {
86        xbt_fifo_t host;
87        xbt_fifo_t process_list;
88        int max_channel;
89        int PID;
90        int session;
91        unsigned long int sent_msg;      /* Total amount of messages sent during the simulation */
92      } s_MSG_Global_t, *MSG_Global_t;
93
94 /*extern MSG_Global_t msg_global;*/
95 XBT_PUBLIC_DATA(MSG_Global_t) msg_global;
96
97
98 /*************************************************************/
99
100 #define PROCESS_SET_ERRNO(val) (MSG_process_self()->simdata->last_errno=val)
101 #define PROCESS_GET_ERRNO() (MSG_process_self()->simdata->last_errno)
102 #define MSG_RETURN(val) do {PROCESS_SET_ERRNO(val);return(val);} while(0)
103 /* #define CHECK_ERRNO()  ASSERT((PROCESS_GET_ERRNO()!=MSG_HOST_FAILURE),"Host failed, you cannot call this function.") */
104
105 #define CHECK_HOST()  xbt_assert1(SIMIX_host_get_state(SIMIX_host_self())==1,\
106                                   "Host failed, you cannot call this function. (state=%d)",SIMIX_host_get_state(SIMIX_host_self()))
107
108      m_host_t __MSG_host_create(smx_host_t workstation, void *data);
109
110      void __MSG_host_destroy(m_host_t host);
111
112      void __MSG_display_process_status(void);
113
114      void __MSG_process_cleanup(void *arg);
115      void *_MSG_process_create_from_SIMIX(const char *name,
116                                           xbt_main_func_t code, void *data,
117                                           char *hostname, int argc,
118                                           char **argv, xbt_dict_t properties);
119      void _MSG_process_kill_from_SIMIX(void *p);
120
121      void _MSG_action_init(void);
122      void _MSG_action_exit(void);
123
124 SG_END_DECL()
125 #endif