X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2be0e4648c5b7055580df1c265b7c43ee6763a46..d947ff7466b473eeec602007934f8336a9b17f3c:/src/msg/msg_global.c

diff --git a/src/msg/msg_global.c b/src/msg/msg_global.c
index 404d8bf446..f40bf21962 100644
--- a/src/msg/msg_global.c
+++ b/src/msg/msg_global.c
@@ -1,9 +1,9 @@
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2004-2012. The SimGrid Team.  All rights reserved.         */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
+#include "instr/instr_interface.h"
 #include "msg_private.h"
 #include "msg_mailbox.h"
 #include "mc/mc.h"
@@ -11,107 +11,83 @@
 #include "xbt/log.h"
 #include "xbt/virtu.h"
 #include "xbt/ex.h"             /* ex_backtrace_display */
+#include "xbt/replay.h"
+#include "simgrid/sg_config.h" /* Configuration mechanism of SimGrid */
 
+
+XBT_LOG_NEW_CATEGORY(msg, "All MSG categories");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_kernel, msg,
                                 "Logging specific to MSG (kernel)");
 
 MSG_Global_t msg_global = NULL;
-
-
-/** \defgroup msg_simulation   MSG simulation Functions
- *  \brief This section describes the functions you need to know to
- *  set up a simulation. You should have a look at \ref MSG_examples
- *  to have an overview of their usage.
- */
-/** @addtogroup msg_simulation
- *    \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Simulation functions" --> \endhtmlonly
- */
+static void MSG_exit(void);
 
 /********************************* MSG **************************************/
 
-/** \ingroup msg_simulation
- * \brief Initialize some MSG internal data.
+/**
+ * \ingroup msg_simulation
+ * \brief Initialize MSG with less verifications
+ * You should use the MSG_init() function instead. Failing to do so may turn into PEBKAC some day. You've been warned.
  */
-void MSG_global_init_args(int *argc, char **argv)
-{
-  MSG_global_init(argc, argv);
-}
+void MSG_init_nocheck(int *argc, char **argv) {
 
-
-XBT_LOG_EXTERNAL_CATEGORY(msg_gos);
-XBT_LOG_EXTERNAL_CATEGORY(msg_kernel);
-XBT_LOG_EXTERNAL_CATEGORY(msg_mailbox);
-XBT_LOG_EXTERNAL_CATEGORY(msg_process);
-
-/** \ingroup msg_simulation
- * \brief Initialize some MSG internal data.
- */
-void MSG_global_init(int *argc, char **argv)
-{
 #ifdef HAVE_TRACING
   TRACE_global_init(argc, argv);
 #endif
 
   xbt_getpid = MSG_process_self_PID;
   if (!msg_global) {
-    /* Connect our log channels: that must be done manually under windows */
-    XBT_LOG_CONNECT(msg_gos, msg);
-    XBT_LOG_CONNECT(msg_kernel, msg);
-    XBT_LOG_CONNECT(msg_mailbox, msg);
-    XBT_LOG_CONNECT(msg_process, msg);
+    s_msg_vm_t vm; // to compute the offset
 
     SIMIX_global_init(argc, argv);
-
+    
     msg_global = xbt_new0(s_MSG_Global_t, 1);
 
+#ifdef MSG_USE_DEPRECATED
     msg_global->max_channel = 0;
+#endif
     msg_global->PID = 1;
     msg_global->sent_msg = 0;
     msg_global->task_copy_callback = NULL;
+    msg_global->process_data_cleanup = NULL;
+    msg_global->vms = xbt_swag_new(xbt_swag_offset(vm,all_vms_hookup));
 
     /* initialization of the action module */
     _MSG_action_init();
 
     SIMIX_function_register_process_create(MSG_process_create_from_SIMIX);
     SIMIX_function_register_process_cleanup(MSG_process_cleanup_from_SIMIX);
-    SIMIX_function_register_process_kill(MSG_process_kill_from_SIMIX);
-    SIMIX_comm_set_copy_data_callback(MSG_comm_copy_data_from_SIMIX);
+
+    sg_platf_postparse_add_cb(MSG_post_create_environment);
   }
+  
+  if(MC_is_active()){
+    /* Ignore total amount of messages sent during the simulation for heap comparison */
+    MC_ignore_heap(&(msg_global->sent_msg), sizeof(msg_global->sent_msg));
+  }
+
 #ifdef HAVE_TRACING
   TRACE_start();
 #endif
 
   XBT_DEBUG("ADD MSG LEVELS");
   MSG_HOST_LEVEL = xbt_lib_add_level(host_lib, (void_f_pvoid_t) __MSG_host_destroy);
-}
 
-/** \defgroup m_channel_management    Understanding channels
- *  \brief This section briefly describes the channel notion of MSG
- *  (#m_channel_t).
- */
-/** @addtogroup m_channel_management
- *    \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Channels" --> \endhtmlonly
- *
- *
- *  For convenience, the simulator provides the notion of channel
- *  that is close to the tag notion in MPI. A channel is not a
- *  socket. It doesn't need to be opened neither closed. It rather
- *  corresponds to the ports opened on the different machines.
- */
+  atexit(MSG_exit);
+}
 
+#ifdef MSG_USE_DEPRECATED
 
-/** \ingroup m_channel_management
- * \brief Set the number of channel in the simulation.
- *
- * This function has to be called to fix the number of channel in the
+/* This deprecated function has to be called to fix the number of channel in the
    simulation before creating any host. Indeed, each channel is
    represented by a different mailbox on each #m_host_t. This
    function can then be called only once. This function takes only one
    parameter.
  * \param number the number of channel in the simulation. It has to be >0
  */
-MSG_error_t MSG_set_channel_number(int number)
+msg_error_t MSG_set_channel_number(int number)
 {
+  XBT_WARN("DEPRECATED! Please use aliases instead");
   xbt_assert((msg_global)
               && (msg_global->max_channel == 0),
               "Channel number already set!");
@@ -121,71 +97,52 @@ MSG_error_t MSG_set_channel_number(int number)
   return MSG_OK;
 }
 
-/** \ingroup m_channel_management
- * \brief Return the number of channel in the simulation.
- *
- * This function has to be called once the number of channel is fixed. I can't
+/* This deprecated function has to be called once the number of channel is fixed. I can't
    figure out a reason why anyone would like to call this function but nevermind.
  * \return the number of channel in the simulation.
  */
 int MSG_get_channel_number(void)
 {
+  XBT_WARN("DEPRECATED! Please use aliases instead");
   xbt_assert((msg_global)
               && (msg_global->max_channel != 0),
               "Channel number not set yet!");
 
   return msg_global->max_channel;
 }
+#endif
 
 /** \ingroup msg_simulation
  * \brief Launch the MSG simulation
  */
-MSG_error_t MSG_main(void)
+msg_error_t MSG_main(void)
 {
   /* Clean IO before the run */
   fflush(stdout);
   fflush(stderr);
 
-  if (MC_IS_ENABLED) {
-    MC_modelcheck();
-  }
-  else {
+  if (MC_is_active()) {
+    MC_do_the_modelcheck_for_real();
+  } else {
     SIMIX_run();
   }
   return MSG_OK;
 }
 
-MSG_error_t MSG_main_stateful(void)
-{
-  /* Clean IO before the run */
-  fflush(stdout);
-  fflush(stderr);
-
-  if (MC_IS_ENABLED) {
-    MC_modelcheck_stateful();
-  }
-  else {
-    SIMIX_run();
-  }
-  return MSG_OK;
+/** \ingroup msg_simulation
+ * \brief set a configuration variable
+ *
+ * Do --help on any simgrid binary to see the list of currently existing configuration variables, and see Section @ref options.
+ *
+ * Example:
+ * MSG_config("workstation/model","KCCFLN05");
+ */
+void MSG_config(const char *key, const char *value){
+  xbt_assert(msg_global,"ERROR: Please call MSG_init() before using MSG_config()");
+  xbt_cfg_set_as_string(_sg_cfg_set, key, value);
 }
 
 
-MSG_error_t MSG_main_liveness(xbt_automaton_t a, char *prgm)
-{
-  /* Clean IO before the run */
-  fflush(stdout);
-  fflush(stderr);
-
-  if (MC_IS_ENABLED) {
-    MC_modelcheck_liveness(a, prgm);
-  }
-  else {
-    SIMIX_run();
-  }
-  return MSG_OK;
-}
-
 /** \ingroup msg_simulation
  * \brief Kill all running process
 
@@ -195,7 +152,7 @@ MSG_error_t MSG_main_liveness(xbt_automaton_t a, char *prgm)
  */
 int MSG_process_killall(int reset_PIDs)
 {
-  SIMIX_req_process_killall();
+  simcall_process_killall();
 
   if (reset_PIDs > 0) {
     msg_global->PID = reset_PIDs;
@@ -206,19 +163,14 @@ int MSG_process_killall(int reset_PIDs)
 
 }
 
-/** \ingroup msg_simulation
- * \brief Clean the MSG simulation
- */
-MSG_error_t MSG_clean(void)
-{
-  XBT_DEBUG("Closing MSG");
+static void MSG_exit(void) {
+  if (msg_global==NULL)
+    return;
 
 #ifdef HAVE_TRACING
-  TRACE_surf_release();
+  TRACE_surf_resource_utilization_release();
 #endif
 
-  MSG_process_killall(0);
-
   /* initialization of the action module */
   _MSG_action_exit();
 
@@ -226,16 +178,13 @@ MSG_error_t MSG_clean(void)
   TRACE_end();
 #endif
 
-  SIMIX_clean();
-
+  xbt_swag_free(msg_global->vms);
   free(msg_global);
   msg_global = NULL;
-
-  return MSG_OK;
 }
 
 
-/** \ingroup msg_easier_life
+/** \ingroup msg_simulation
  * \brief A clock (in second).
  */
 XBT_INLINE double MSG_get_clock(void)
@@ -247,3 +196,9 @@ unsigned long int MSG_get_sent_msg()
 {
   return msg_global->sent_msg;
 }
+
+#ifdef MSG_USE_DEPRECATED
+msg_error_t MSG_clean(void) {
+  return MSG_OK;
+}
+#endif