1 /* Copyright (c) 2004-2018. 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. */
6 #include "simgrid/s4u/Actor.hpp"
7 #include "simgrid/s4u/Engine.hpp"
8 #include "simgrid/s4u/Host.hpp"
11 #include "src/instr/instr_private.hpp"
12 #include "src/msg/msg_private.hpp"
13 #include <xbt/config.hpp>
15 XBT_LOG_NEW_CATEGORY(msg, "All MSG categories");
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_kernel, msg, "Logging specific to MSG (kernel)");
18 MSG_Global_t msg_global = nullptr;
19 static void MSG_exit();
21 /********************************* MSG **************************************/
24 * \ingroup msg_simulation
25 * \brief Initialize MSG with less verifications
26 * You should use the MSG_init() function instead. Failing to do so may turn into PEBKAC some day. You've been warned.
28 void MSG_init_nocheck(int *argc, char **argv) {
34 msg_global = new s_MSG_Global_t();
36 msg_global->debug_multiple_use = false;
37 simgrid::config::bind_flag(msg_global->debug_multiple_use, "msg/debug-multiple-use",
38 "Print backtraces of both processes when there is a conflict of multiple use of a task");
40 SIMIX_global_init(argc, argv);
42 msg_global->sent_msg = 0;
43 msg_global->task_copy_callback = nullptr;
44 msg_global->process_data_cleanup = nullptr;
46 SIMIX_function_register_process_create(MSG_process_create_from_SIMIX);
47 SIMIX_function_register_process_cleanup(MSG_process_cleanup_from_SIMIX);
51 /* Ignore total amount of messages sent during the simulation for heap comparison */
52 MC_ignore_heap(&(msg_global->sent_msg), sizeof(msg_global->sent_msg));
55 if (simgrid::config::get_value<bool>("clean-atexit"))
59 /** \ingroup msg_simulation
60 * \brief Launch the MSG simulation
62 msg_error_t MSG_main()
64 /* Clean IO before the run */
76 /** \ingroup msg_simulation
77 * \brief set a configuration variable
79 * Do --help on any simgrid binary to see the list of currently existing configuration variables, and see Section @ref options.
82 * MSG_config("host/model","ptask_L07");
84 void MSG_config(const char *key, const char *value){
85 xbt_assert(msg_global,"ERROR: Please call MSG_init() before using MSG_config()");
86 simgrid::config::set_as_string(key, value);
89 /** \ingroup msg_simulation
90 * \brief Kill all running process
93 int MSG_process_killall()
95 simgrid::s4u::Actor::kill_all();
99 static void MSG_exit() {
100 if (msg_global==nullptr)
104 msg_global = nullptr;
107 /** \ingroup msg_simulation
108 * \brief A clock (in second).
110 double MSG_get_clock()
112 return SIMIX_get_clock();
115 unsigned long int MSG_get_sent_msg()
117 return msg_global->sent_msg;