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. */
10 #include "simgrid/simix.h"
11 #include "simgrid_config.h" // for HAVE_TRACING
15 /* ******************************** Mailbox ************************************ */
17 /** @brief Mailbox datatype
18 * @ingroup msg_task_usage
20 * Object representing a communication rendez-vous point, on which
21 * the sender finds the receiver it wants to communicate with. As a
22 * MSG user, you will only rarely manipulate any of these objects
23 * directly, since most of the public interface (such as
24 * #MSG_task_send and friends) hide this object behind a string
25 * alias. That mean that you don't provide the mailbox on which you
26 * want to send your task, but only the name of this mailbox. */
27 typedef struct s_smx_rvpoint *msg_mailbox_t;
30 /* ******************************** Host ************************************ */
32 extern int MSG_HOST_LEVEL;
34 /** @brief Host datatype.
35 @ingroup m_host_management
37 A <em>location</em> (or <em>host</em>) is any possible place where
38 a process may run. Thus it is represented as a <em>physical
39 resource with computing capabilities</em>, some <em>mailboxes</em>
40 to enable running process to communicate with remote ones, and
41 some <em>private data</em> that can be only accessed by local
44 typedef xbt_dictelm_t msg_host_t;
45 typedef s_xbt_dictelm_t s_msg_host_t;
47 typedef struct msg_host_priv {
49 #ifdef MSG_USE_DEPRECATED
50 msg_mailbox_t *mailboxes; /**< the channels */
52 } s_msg_host_priv_t, *msg_host_priv_t;
54 static inline msg_host_priv_t MSG_host_priv(msg_host_t host){
55 return (msg_host_priv_t )xbt_lib_get_level(host, MSG_HOST_LEVEL);
60 /* ******************************** Task ************************************ */
62 typedef struct simdata_task *simdata_task_t;
64 typedef struct msg_task {
65 char *name; /**< @brief task name if any */
66 simdata_task_t simdata; /**< @brief simulator data */
67 void *data; /**< @brief user data */
69 long long int counter; /* task unique identifier for instrumentation */
70 char *category; /* task category for instrumentation */
74 /** @brief Task datatype.
75 @ingroup m_task_management
77 A <em>task</em> may then be defined by a <em>computing
78 amount</em>, a <em>message size</em> and some <em>private
81 typedef struct msg_task *msg_task_t;
83 /* ******************************** VM ************************************* */
84 typedef struct msg_vm *msg_vm_t;
87 msg_vm_state_suspended, msg_vm_state_running, msg_vm_state_migrating
90 typedef struct msg_vm {
92 s_xbt_swag_hookup_t all_vms_hookup;
93 s_xbt_swag_hookup_t host_vms_hookup;
94 xbt_dynar_t processes;
95 e_msg_vm_state_t state;
100 /* ******************************** File ************************************ */
101 typedef struct simdata_file *simdata_file_t;
103 typedef struct msg_file {
104 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;
117 /*************** Begin GPU ***************/
118 typedef struct simdata_gpu_task *simdata_gpu_task_t;
120 typedef struct msg_gpu_task {
121 char *name; /**< @brief task name if any */
122 simdata_gpu_task_t simdata; /**< @brief simulator data */
124 long long int counter; /* task unique identifier for instrumentation */
125 char *category; /* task category for instrumentation */
129 /** @brief GPU task datatype.
130 @ingroup m_task_management
132 A <em>task</em> may then be defined by a <em>computing
133 amount</em>, a <em>dispatch latency</em> and a <em>collect latency</em>.
134 \see m_task_management
136 typedef struct msg_gpu_task *msg_gpu_task_t;
137 /*************** End GPU ***************/
140 * \brief @brief Communication action.
141 * \ingroup msg_task_usage
143 * Object representing an ongoing communication between processes. Such beast is usually obtained by using #MSG_task_isend, #MSG_task_irecv or friends.
145 typedef struct msg_comm *msg_comm_t;
147 /** \brief Default value for an uninitialized #msg_task_t.
148 \ingroup m_task_management
150 #define MSG_TASK_UNINITIALIZED NULL
152 /* ****************************** Process *********************************** */
154 /** @brief Process datatype.
155 @ingroup m_process_management
157 A process may be defined as a <em>code</em>, with some
158 <em>private data</em>, executing in a <em>location</em>.
160 You should not access directly to the fields of the pointed
161 structure, but always use the provided API to interact with
164 typedef struct s_smx_process *msg_process_t;
166 #ifdef MSG_USE_DEPRECATED
168 /* Compatibility typedefs */
169 typedef int m_channel_t;
170 typedef msg_gpu_task_t m_gpu_task_t;
171 typedef msg_host_t m_host_t;
172 typedef msg_process_t m_process_t;
173 typedef msg_task_t m_task_t;
174 typedef s_msg_gpu_task_t s_m_gpu_task_t;
175 typedef s_msg_host_t s_m_host_t;
176 typedef s_msg_task_t s_m_task_t;