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[surf] Rename callback registration functions
[simgrid.git] / src / simix / smx_global.c
index afbc67c..b37a920 100644 (file)
@@ -1,10 +1,15 @@
-/* Copyright (c) 2007-2014. The SimGrid Team.
+/* Copyright (c) 2007-2015. 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 <stdlib.h>
+#include "src/portable.h"
+#ifdef HAVE_SYS_PTRACE_H
+# include <sys/types.h>
+# include <sys/ptrace.h>
+#endif
 
 #include "smx_private.h"
 #include "xbt/heap.h"
 #include "xbt/str.h"
 #include "xbt/ex.h"             /* ex_backtrace_display */
 #include "mc/mc.h"
-#include "mc/mc_replay.h"
+#include "src/mc/mc_replay.h"
 #include "simgrid/sg_config.h"
 
+#include "src/surf/callbacks.h"
+
 #ifdef HAVE_MC
-#include "mc/mc_private.h"
-#include "mc/mc_protocol.h"
-#include "mc/mc_client.h"
+#include "src/mc/mc_private.h"
+#include "src/mc/mc_protocol.h"
+#include "src/mc/mc_client.h"
 #endif
-#include "mc/mc_record.h"
+
+#ifdef HAVE_MC
+#include <stdlib.h>
+#include "src/mc/mc_protocol.h"
+#endif 
+
+#include "src/mc/mc_record.h"
 
 #ifdef HAVE_SMPI
-#include "smpi/private.h"
+#include "src/smpi/private.h"
 #endif
 
 XBT_LOG_NEW_CATEGORY(simix, "All SIMIX categories");
@@ -34,6 +47,13 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix,
 smx_global_t simix_global = NULL;
 static xbt_heap_t simix_timers = NULL;
 
+/** @brief Timer datatype */
+typedef struct s_smx_timer {
+  double date;
+  void(* func)(void*);
+  void* args;
+} s_smx_timer_t;
+
 static void* SIMIX_synchro_mallocator_new_f(void);
 static void SIMIX_synchro_mallocator_free_f(void* synchro);
 static void SIMIX_synchro_mallocator_reset_f(void* synchro);
@@ -81,14 +101,6 @@ static void _XBT_CALL segvhandler(int signum, siginfo_t *siginfo, void *context)
     }
 #endif
   }
-#ifdef HAVE_MC
-  if (MC_is_active()) {
-    if (mc_stack) {
-      MC_dump_stack_safety(mc_stack);
-    }
-    MC_print_statistics(mc_stats);
-  }
-#endif
   raise(signum);
 }
 
@@ -142,6 +154,17 @@ XBT_INLINE double SIMIX_timer_next(void)
   return xbt_heap_size(simix_timers) > 0 ? xbt_heap_maxkey(simix_timers) : -1.0;
 }
 
+static void kill_process(smx_process_t process)
+{
+  SIMIX_process_kill(process, NULL);
+}
+
+static void SIMIX_storage_create_(smx_storage_t storage)
+{
+  const char* key = xbt_dict_get_elm_key(storage);
+  SIMIX_storage_create(key, storage, NULL);
+}
+
 /**
  * \ingroup SIMIX_API
  * \brief Initialize SIMIX internal data.
@@ -151,6 +174,10 @@ XBT_INLINE double SIMIX_timer_next(void)
  */
 void SIMIX_global_init(int *argc, char **argv)
 {
+#ifdef HAVE_MC
+  _sg_do_model_check = getenv(MC_ENV_VARIABLE) != NULL;
+#endif
+
   s_smx_process_t proc;
 
   if (!simix_global) {
@@ -172,12 +199,13 @@ void SIMIX_global_init(int *argc, char **argv)
     simix_global->registered_functions = xbt_dict_new_homogeneous(NULL);
 
     simix_global->create_process_function = SIMIX_process_create;
-    simix_global->kill_process_function = SIMIX_process_kill;
+    simix_global->kill_process_function = kill_process;
     simix_global->cleanup_process_function = SIMIX_process_cleanup;
     simix_global->synchro_mallocator = xbt_mallocator_new(65536,
         SIMIX_synchro_mallocator_new_f, SIMIX_synchro_mallocator_free_f,
         SIMIX_synchro_mallocator_reset_f);
     simix_global->autorestart = SIMIX_host_restart_processes;
+    simix_global->mutex = xbt_os_mutex_init();
 
     surf_init(argc, argv);      /* Initialize SURF structures */
     SIMIX_context_mod_init();
@@ -199,35 +227,30 @@ void SIMIX_global_init(int *argc, char **argv)
     /* register a function to be called by SURF after the environment creation */
     sg_platf_init();
     sg_platf_postparse_add_cb(SIMIX_post_create_environment);
+    surf_on_host_created(SIMIX_host_create);
+    surf_on_storage_created(SIMIX_storage_create_);
 
   }
   if (!simix_timers) {
     simix_timers = xbt_heap_new(8, &free);
   }
 
-  SIMIX_HOST_LEVEL = xbt_lib_add_level(host_lib,SIMIX_host_destroy);
   SIMIX_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, SIMIX_storage_destroy);
 
   if (sg_cfg_get_boolean("clean_atexit"))
     atexit(SIMIX_clean);
 
 #ifdef HAVE_MC
-  // The communication initialisation is done ASAP.
-  // We need to commuicate  initialisation of the different layers to the model-checker.
-  if (mc_mode == MC_MODE_NONE) {
-    if (getenv(MC_ENV_SOCKET_FD)) {
-      mc_mode = MC_MODE_CLIENT;
-      MC_client_init();
-      MC_client_hello();
-      MC_client_handle_messages();
-    }
-  }
+  // The communication initialization is done ASAP.
+  // We need to communicate  initialization of the different layers to the model-checker.
+  MC_client_init();
 #endif
 
   if (_sg_cfg_exit_asap)
     exit(0);
 }
 
+int smx_cleaned = 0;
 /**
  * \ingroup SIMIX_API
  * \brief Clean the SIMIX simulation
@@ -236,13 +259,19 @@ void SIMIX_global_init(int *argc, char **argv)
  */
 void SIMIX_clean(void)
 {
-  static int cleaned = 0;
 #ifdef TIME_BENCH_PER_SR
   smx_ctx_raw_new_sr();
 #endif
-  if (cleaned) return; // to avoid double cleaning by java and C
-  cleaned = 1;
-  /* Kill everyone (except maestro) */
+  if (smx_cleaned) return; // to avoid double cleaning by java and C
+  smx_cleaned = 1;
+  XBT_DEBUG("SIMIX_clean called. Simulation's over.");
+  if (!xbt_dynar_is_empty(simix_global->process_to_run) && SIMIX_get_clock() == 0.0) {
+         XBT_CRITICAL("   ");
+         XBT_CRITICAL("The time is still 0, and you still have processes ready to run.");
+         XBT_CRITICAL("It seems that you forgot to run the simulation that you setup.");
+         xbt_die("Bailing out to avoid that stop-before-start madness. Please fix your code.");
+  }
+  /* Kill all processes (but maestro) */
   SIMIX_process_killall(simix_global->maestro_process, 1);
 
   /* Exit the SIMIX network module */
@@ -259,6 +288,9 @@ void SIMIX_clean(void)
   simix_global->process_to_destroy = NULL;
   xbt_dict_free(&(simix_global->registered_functions));
 
+  xbt_os_mutex_destroy(simix_global->mutex);
+  simix_global->mutex = NULL;
+
   /* Let's free maestro now */
   SIMIX_context_free(simix_global->maestro_process->context);
   xbt_free(simix_global->maestro_process->running_ctx);
@@ -423,7 +455,7 @@ void SIMIX_run(void)
         }
       }
       /* Wake up all processes waiting for a Surf action to finish */
-      xbt_dynar_foreach(model_list, iter, model) {
+      xbt_dynar_foreach(all_existing_models, iter, model) {
         XBT_DEBUG("Handling process whose action failed");
         while ((action = surf_model_extract_failed_action_set(model))) {
           XBT_DEBUG("   Handling Action %p",action);
@@ -456,12 +488,12 @@ void SIMIX_run(void)
        // (i.e. provide dispatchers that read and expand the args)
        timer = xbt_heap_pop(simix_timers);
        if (timer->func)
-         ((void (*)(void*))timer->func)(timer->args);
+         timer->func(timer->args);
        xbt_free(timer);
     }
 
     /* Wake up all processes waiting for a Surf action to finish */
-    xbt_dynar_foreach(model_list, iter, model) {
+    xbt_dynar_foreach(all_existing_models, iter, model) {
       XBT_DEBUG("Handling process whose action failed");
       while ((action = surf_model_extract_failed_action_set(model))) {
         XBT_DEBUG("   Handling Action %p",action);
@@ -482,7 +514,7 @@ void SIMIX_run(void)
       char *hostname = NULL;
       xbt_dynar_foreach(host_that_restart,iter,hostname) {
         XBT_INFO("Restart processes on host: %s",hostname);
-        SIMIX_host_autorestart(SIMIX_host_get_by_name(hostname));
+        SIMIX_host_autorestart(sg_host_by_name(hostname));
       }
       xbt_dynar_reset(host_that_restart);
     }
@@ -514,7 +546,7 @@ void SIMIX_run(void)
  *   \param arg Parameters of the function
  *
  */
-XBT_INLINE smx_timer_t SIMIX_timer_set(double date, void *function, void *arg)
+XBT_INLINE smx_timer_t SIMIX_timer_set(double date, void (*function)(void*), void *arg)
 {
   smx_timer_t timer = xbt_new0(s_smx_timer_t, 1);
 
@@ -556,7 +588,7 @@ XBT_INLINE void SIMIX_function_register_process_create(smx_creation_func_t
  *
  * \param function Kill process function
  */
-XBT_INLINE void SIMIX_function_register_process_kill(void_pfn_smxprocess_t_smxprocess_t
+XBT_INLINE void SIMIX_function_register_process_kill(void_pfn_smxprocess_t
                                                      function)
 {
   simix_global->kill_process_function = function;
@@ -626,12 +658,12 @@ void SIMIX_display_process_status(void)
         break;
       }
       XBT_INFO("Process %lu (%s@%s): waiting for %s synchro %p (%s) in state %d to finish",
-          process->pid, process->name, sg_host_name(process->smx_host),
+          process->pid, process->name, sg_host_get_name(process->host),
           synchro_description, process->waiting_synchro,
           process->waiting_synchro->name, (int)process->waiting_synchro->state);
     }
     else {
-      XBT_INFO("Process %lu (%s@%s)", process->pid, process->name, sg_host_name(process->smx_host));
+      XBT_INFO("Process %lu (%s@%s)", process->pid, process->name, sg_host_get_name(process->host));
     }
   }
 }