1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include "msg_private.h"
8 #include "msg_mailbox.h"
10 #include "xbt/sysdep.h"
12 #include "xbt/virtu.h"
13 #include "xbt/ex.h" /* ex_backtrace_display */
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_kernel, msg,
16 "Logging specific to MSG (kernel)");
18 MSG_Global_t msg_global = NULL;
20 /********************************* MSG **************************************/
22 /** \ingroup msg_simulation
23 * \brief Initialize some MSG internal data.
25 void MSG_global_init_args(int *argc, char **argv)
27 MSG_global_init(argc, argv);
31 XBT_LOG_EXTERNAL_CATEGORY(msg_gos);
32 XBT_LOG_EXTERNAL_CATEGORY(msg_kernel);
33 XBT_LOG_EXTERNAL_CATEGORY(msg_mailbox);
34 XBT_LOG_EXTERNAL_CATEGORY(msg_process);
36 /** \ingroup msg_simulation
37 * \brief Initialize some MSG internal data.
39 void MSG_global_init(int *argc, char **argv)
42 TRACE_global_init(argc, argv);
45 xbt_getpid = MSG_process_self_PID;
47 /* Connect our log channels: that must be done manually under windows */
48 XBT_LOG_CONNECT(msg_gos, msg);
49 XBT_LOG_CONNECT(msg_kernel, msg);
50 XBT_LOG_CONNECT(msg_mailbox, msg);
51 XBT_LOG_CONNECT(msg_process, msg);
53 SIMIX_global_init(argc, argv);
55 msg_global = xbt_new0(s_MSG_Global_t, 1);
57 #ifdef MSG_USE_DEPRECATED
58 msg_global->max_channel = 0;
61 msg_global->sent_msg = 0;
62 msg_global->task_copy_callback = NULL;
63 msg_global->process_data_cleanup = NULL;
65 /* initialization of the action module */
68 SIMIX_function_register_process_create(MSG_process_create_from_SIMIX);
69 SIMIX_function_register_process_cleanup(MSG_process_cleanup_from_SIMIX);
70 SIMIX_function_register_process_kill(MSG_process_kill_from_SIMIX);
76 XBT_DEBUG("ADD MSG LEVELS");
77 MSG_HOST_LEVEL = xbt_lib_add_level(host_lib, (void_f_pvoid_t) __MSG_host_destroy);
80 #ifdef MSG_USE_DEPRECATED
82 /* This deprecated function has to be called to fix the number of channel in the
83 simulation before creating any host. Indeed, each channel is
84 represented by a different mailbox on each #m_host_t. This
85 function can then be called only once. This function takes only one
87 * \param number the number of channel in the simulation. It has to be >0
89 MSG_error_t MSG_set_channel_number(int number)
91 XBT_WARN("DEPRECATED! Please use aliases instead");
92 xbt_assert((msg_global)
93 && (msg_global->max_channel == 0),
94 "Channel number already set!");
96 msg_global->max_channel = number;
101 /* This deprecated function has to be called once the number of channel is fixed. I can't
102 figure out a reason why anyone would like to call this function but nevermind.
103 * \return the number of channel in the simulation.
105 int MSG_get_channel_number(void)
107 XBT_WARN("DEPRECATED! Please use aliases instead");
108 xbt_assert((msg_global)
109 && (msg_global->max_channel != 0),
110 "Channel number not set yet!");
112 return msg_global->max_channel;
116 /** \ingroup msg_simulation
117 * \brief Launch the MSG simulation
119 MSG_error_t MSG_main(void)
121 /* Clean IO before the run */
134 MSG_error_t MSG_main_stateful(void)
136 /* Clean IO before the run */
141 MC_modelcheck_stateful();
150 MSG_error_t MSG_main_liveness(xbt_automaton_t a, char *prgm)
152 /* Clean IO before the run */
157 MC_modelcheck_liveness(a, prgm);
165 /** \ingroup msg_simulation
166 * \brief Kill all running process
168 * \param reset_PIDs should we reset the PID numbers. A negative
169 * number means no reset and a positive number will be used to set the PID
170 * of the next newly created process.
172 int MSG_process_killall(int reset_PIDs)
174 simcall_process_killall();
176 if (reset_PIDs > 0) {
177 msg_global->PID = reset_PIDs;
178 msg_global->session++;
181 return msg_global->PID;
185 /** \ingroup msg_simulation
186 * \brief Clean the MSG simulation
188 MSG_error_t MSG_clean(void)
190 XBT_DEBUG("Closing MSG");
193 TRACE_surf_release();
196 MSG_process_killall(0);
198 /* initialization of the action module */
214 /** \ingroup msg_easier_life
215 * \brief A clock (in second).
217 XBT_INLINE double MSG_get_clock(void)
219 return SIMIX_get_clock();
222 unsigned long int MSG_get_sent_msg()
224 return msg_global->sent_msg;