1 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/file_stat.h"
11 #include "simgrid/simix.h"
12 #include "simgrid_config.h" // for HAVE_TRACING
16 /* ******************************** Mailbox ************************************ */
18 /** @brief Mailbox datatype
19 * @ingroup msg_task_usage
21 * Object representing a communication rendez-vous point, on which
22 * the sender finds the receiver it wants to communicate with. As a
23 * MSG user, you will only rarely manipulate any of these objects
24 * directly, since most of the public interface (such as
25 * #MSG_task_send and friends) hide this object behind a string
26 * alias. That mean that you don't provide the mailbox on which you
27 * want to send your task, but only the name of this mailbox. */
28 typedef struct s_smx_rvpoint *msg_mailbox_t;
31 /* ******************************** Host ************************************ */
33 extern int MSG_HOST_LEVEL;
35 /** @brief Host datatype.
36 @ingroup m_host_management
38 A <em>location</em> (or <em>host</em>) is any possible place where
39 a process may run. Thus it is represented as a <em>physical
40 resource with computing capabilities</em>, some <em>mailboxes</em>
41 to enable running process to communicate with remote ones, and
42 some <em>private data</em> that can be only accessed by local
45 typedef xbt_dictelm_t msg_host_t;
46 typedef s_xbt_dictelm_t s_msg_host_t;
48 typedef struct msg_host_priv {
50 #ifdef MSG_USE_DEPRECATED
51 msg_mailbox_t *mailboxes; /**< the channels */
53 } s_msg_host_priv_t, *msg_host_priv_t;
55 static inline msg_host_priv_t MSG_host_priv(msg_host_t host){
56 return (msg_host_priv_t )xbt_lib_get_level(host, MSG_HOST_LEVEL);
61 /* ******************************** Task ************************************ */
63 typedef struct simdata_task *simdata_task_t;
65 typedef struct msg_task {
66 char *name; /**< @brief task name if any */
67 simdata_task_t simdata; /**< @brief simulator data */
68 void *data; /**< @brief user data */
70 long long int counter; /* task unique identifier for instrumentation */
71 char *category; /* task category for instrumentation */
75 /** @brief Task datatype.
76 @ingroup m_task_management
78 A <em>task</em> may then be defined by a <em>computing
79 amount</em>, a <em>message size</em> and some <em>private
82 typedef struct msg_task *msg_task_t;
84 /* ******************************** VM ************************************* */
85 typedef struct msg_vm *msg_vm_t;
88 msg_vm_state_suspended, msg_vm_state_running, msg_vm_state_migrating
91 typedef struct msg_vm {
93 s_xbt_swag_hookup_t all_vms_hookup;
94 s_xbt_swag_hookup_t host_vms_hookup;
95 xbt_dynar_t processes;
96 e_msg_vm_state_t state;
101 /* ******************************** File ************************************ */
102 typedef struct simdata_file *simdata_file_t;
104 typedef struct msg_file {
105 char *name; /**< @brief file name */
106 simdata_file_t simdata; /**< @brief simulator data */
107 void *data; /**< @brief user data */
110 /** @brief File datatype.
111 @ingroup msg_file_management
113 You should consider this as an opaque object.
115 typedef struct msg_file *msg_file_t;
118 /** @brief File datatype.
119 @ingroup msg_file_management
121 You should consider this as an opaque object.
123 typedef s_file_stat_t s_msg_stat_t, *msg_stat_t;
126 /*************** Begin GPU ***************/
127 typedef struct simdata_gpu_task *simdata_gpu_task_t;
129 typedef struct msg_gpu_task {
130 char *name; /**< @brief task name if any */
131 simdata_gpu_task_t simdata; /**< @brief simulator data */
133 long long int counter; /* task unique identifier for instrumentation */
134 char *category; /* task category for instrumentation */
138 /** @brief GPU task datatype.
139 @ingroup m_task_management
141 A <em>task</em> may then be defined by a <em>computing
142 amount</em>, a <em>dispatch latency</em> and a <em>collect latency</em>.
143 \see m_task_management
145 typedef struct msg_gpu_task *msg_gpu_task_t;
146 /*************** End GPU ***************/
149 * \brief @brief Communication action.
150 * \ingroup msg_task_usage
152 * Object representing an ongoing communication between processes. Such beast is usually obtained by using #MSG_task_isend, #MSG_task_irecv or friends.
154 typedef struct msg_comm *msg_comm_t;
156 /** \brief Default value for an uninitialized #msg_task_t.
157 \ingroup m_task_management
159 #define MSG_TASK_UNINITIALIZED NULL
161 /* ****************************** Process *********************************** */
163 /** @brief Process datatype.
164 @ingroup m_process_management
166 A process may be defined as a <em>code</em>, with some
167 <em>private data</em>, executing in a <em>location</em>.
169 You should not access directly to the fields of the pointed
170 structure, but always use the provided API to interact with
173 typedef struct s_smx_process *msg_process_t;
175 #ifdef MSG_USE_DEPRECATED
177 /* Compatibility typedefs */
178 typedef int m_channel_t;
179 typedef msg_gpu_task_t m_gpu_task_t;
180 typedef msg_host_t m_host_t;
181 typedef msg_process_t m_process_t;
182 typedef msg_task_t m_task_t;
183 typedef s_msg_gpu_task_t s_m_gpu_task_t;
184 typedef s_msg_host_t s_m_host_t;
185 typedef s_msg_task_t s_m_task_t;