X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c8880fd8bfe302109bdec0629929499479d714b0..ea8f841a468a3db03f1d74e8e92e2dfba3db6f3b:/src/simix/libsmx.c

diff --git a/src/simix/libsmx.c b/src/simix/libsmx.c
index 199f085502..ab101d1db2 100644
--- a/src/simix/libsmx.c
+++ b/src/simix/libsmx.c
@@ -5,51 +5,30 @@
 /*                                                                            */
 /* This is somehow the "libc" of SimGrid                                      */
 
-/* Copyright (c) 2010-2014. The SimGrid Team. All rights reserved.            */
+/* Copyright (c) 2010-2015. 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.   */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
 
+#include "src/mc/mc_replay.h"
 #include "smx_private.h"
-#include "mc/mc_interface.h"
+#include "src/mc/mc_forward.h"
 #include "xbt/ex.h"
 #include <math.h>         /* isfinite() */
+#include "mc/mc.h"
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
 
 #include "popping_bodies.c"
 
-/**
- * \ingroup simix_host_management
- * \brief Returns a host given its name.
- *
- * \param name The name of the host to get
- * \return The corresponding host
- */
-smx_host_t simcall_host_get_by_name(const char *name)
-{
-  return simcall_BODY_host_get_by_name(name);
-}
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the name of a host.
- *
- * \param host A SIMIX host
- * \return The name of this host
- */
-const char* simcall_host_get_name(smx_host_t host)
-{
-  return simcall_BODY_host_get_name(host);
-}
-
 /**
  * \ingroup simix_host_management
  * \brief Start the host if it is off
  *
  * \param host A SIMIX host
  */
-void simcall_host_on(smx_host_t host)
+void simcall_host_on(sg_host_t host)
 {
   simcall_BODY_host_on(host);
 }
@@ -60,7 +39,7 @@ void simcall_host_on(smx_host_t host)
  *
  * \param host A SIMIX host
  */
-void simcall_host_off(smx_host_t host)
+void simcall_host_off(sg_host_t host)
 {
   simcall_BODY_host_off(host);
 }
@@ -72,7 +51,7 @@ void simcall_host_off(smx_host_t host)
  * \param host A host
  * \return The properties of this host
  */
-xbt_dict_t simcall_host_get_properties(smx_host_t host)
+xbt_dict_t simcall_host_get_properties(sg_host_t host)
 {
   return simcall_BODY_host_get_properties(host);
 }
@@ -89,32 +68,6 @@ xbt_dict_t simcall_asr_get_properties(const char *name)
   return simcall_BODY_asr_get_properties(name);
 }
 
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the speed of the processor.
- *
- * The speed returned does not take into account the current load on the machine.
- * \param host A SIMIX host
- * \return The speed of this host (in Mflop/s)
- */
-double simcall_host_get_speed(smx_host_t host)
-{
-  return simcall_BODY_host_get_speed(host);
-}
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the number of core of the processor.
- *
- * \param host A SIMIX host
- * \return The number of core
- */
-int simcall_host_get_core(smx_host_t host)
-{
-  return simcall_BODY_host_get_core(host);
-}
-
 /**
  * \ingroup simix_host_management
  * \brief Returns the list of processes attached to the host.
@@ -122,36 +75,11 @@ int simcall_host_get_core(smx_host_t host)
  * \param host A SIMIX host
  * \return the swag of attached processes
  */
-xbt_swag_t simcall_host_get_process_list(smx_host_t host)
+xbt_swag_t simcall_host_get_process_list(sg_host_t host)
 {
   return simcall_BODY_host_get_process_list(host);
 }
 
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the available speed of the processor.
- *
- * \return Speed currently available (in Mflop/s)
- */
-double simcall_host_get_available_speed(smx_host_t host)
-{
-  return simcall_BODY_host_get_available_speed(host);
-}
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the state of a host.
- *
- * Two states are possible: 1 if the host is active or 0 if it has crashed.
- * \param host A SIMIX host
- * \return 1 if the host is available, 0 otherwise
- */
-int simcall_host_get_state(smx_host_t host)
-{
-  return simcall_BODY_host_get_state(host);
-}
-
 /**
  * \ingroup simix_host_management
  * \brief Returns the power peak of a host.
@@ -159,7 +87,7 @@ int simcall_host_get_state(smx_host_t host)
  * \param host A SIMIX host
  * \return the current power peak value (double)
  */
-double simcall_host_get_current_power_peak(smx_host_t host)
+double simcall_host_get_current_power_peak(sg_host_t host)
 {
   return simcall_BODY_host_get_current_power_peak(host);
 }
@@ -172,196 +100,185 @@ double simcall_host_get_current_power_peak(smx_host_t host)
  * \param pstate_index pstate to test
  * \return the current power peak value (double) for pstate_index
  */
-double simcall_host_get_power_peak_at(smx_host_t host, int pstate_index)
+double simcall_host_get_power_peak_at(sg_host_t host, int pstate_index)
 {
   return simcall_BODY_host_get_power_peak_at(host, pstate_index);
 }
 
 /**
  * \ingroup simix_host_management
- * \brief Returns the number of power states for a host.
+ * \brief Sets the pstate at which the host should run
  *
  * \param host A SIMIX host
- * \return the number of power states
+ * \param pstate_index The pstate to which the CPU power will be set
  */
-int simcall_host_get_nb_pstates(smx_host_t host)
+void simcall_host_set_pstate(sg_host_t host, int pstate_index)
 {
-  return simcall_BODY_host_get_nb_pstates(host);
+	simcall_BODY_host_set_pstate(host, pstate_index);
 }
 
-/**
- * \ingroup simix_host_management
- * \brief Sets a new power peak for a host.
- *
- * \param host A SIMIX host
- * \param pstate_index The pstate to which the CPU power will be set
+/** \ingroup simix_host_management
+ * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
  */
-void simcall_host_set_power_peak_at(smx_host_t host, int pstate_index)
-{
-	simcall_BODY_host_set_power_peak_at(host, pstate_index);
+double simcall_host_get_wattmin_at(msg_host_t host, int pstate){
+	return simcall_BODY_host_get_wattmin_at(host, pstate);
 }
-
-/**
- * \ingroup simix_host_management
- * \brief Returns the total energy consumed by the host (in Joules)
- *
- * \param host A SIMIX host
- * \return the energy consumed by the host (double)
+/** \ingroup simix_host_management
+ * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
  */
-double simcall_host_get_consumed_energy(smx_host_t host)
-{
-  return simcall_BODY_host_get_consumed_energy(host);
+double simcall_host_get_wattmax_at(msg_host_t host, int pstate){
+	return simcall_BODY_host_get_wattmax_at(host, pstate);
 }
 
 
+
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Creates a synchro that executes some computation of an host.
  *
  * This function creates a SURF action and allocates the data necessary
  * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
  *
  * \param name Name of the execution synchro to create
- * \param host SIMIX host where the synchro will be executed
- * \param computation_amount amount Computation amount (in bytes)
+ * \param flops_amount amount Computation amount (in flops)
  * \param priority computation priority
  * \param bound
  * \param affinity_mask
  * \return A new SIMIX execution synchronization
  */
-smx_synchro_t simcall_host_execute(const char *name, smx_host_t host,
-                                    double computation_amount,
+smx_synchro_t simcall_process_execute(const char *name,
+                                    double flops_amount,
                                     double priority, double bound, unsigned long affinity_mask)
 {
   /* checking for infinite values */
-  xbt_assert(isfinite(computation_amount), "computation_amount is not finite!");
+  xbt_assert(isfinite(flops_amount), "flops_amount is not finite!");
   xbt_assert(isfinite(priority), "priority is not finite!");
 
-  return simcall_BODY_host_execute(name, host, computation_amount, priority, bound, affinity_mask);
+  return simcall_BODY_process_execute(name, flops_amount, priority, bound, affinity_mask);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Creates a synchro that may involve parallel computation on
  * several hosts and communication between them.
  *
  * \param name Name of the execution synchro to create
  * \param host_nb Number of hosts where the synchro will be executed
  * \param host_list Array (of size host_nb) of hosts where the synchro will be executed
- * \param computation_amount Array (of size host_nb) of computation amount of hosts (in bytes)
- * \param communication_amount Array (of size host_nb * host_nb) representing the communication
+ * \param flops_amount Array (of size host_nb) of computation amount of hosts (in bytes)
+ * \param bytes_amount Array (of size host_nb * host_nb) representing the communication
  * amount between each pair of hosts
  * \param amount the SURF action amount
  * \param rate the SURF action rate
  * \return A new SIMIX execution synchronization
  */
-smx_synchro_t simcall_host_parallel_execute(const char *name,
+smx_synchro_t simcall_process_parallel_execute(const char *name,
                                          int host_nb,
-                                         smx_host_t *host_list,
-                                         double *computation_amount,
-                                         double *communication_amount,
+                                         sg_host_t *host_list,
+                                         double *flops_amount,
+                                         double *bytes_amount,
                                          double amount,
                                          double rate)
 {
   int i,j;
   /* checking for infinite values */
   for (i = 0 ; i < host_nb ; ++i) {
-     xbt_assert(isfinite(computation_amount[i]), "computation_amount[%d] is not finite!", i);
+     xbt_assert(isfinite(flops_amount[i]), "flops_amount[%d] is not finite!", i);
      for (j = 0 ; j < host_nb ; ++j) {
-        xbt_assert(isfinite(communication_amount[i + host_nb * j]),
-             "communication_amount[%d+%d*%d] is not finite!", i, host_nb, j);
+        xbt_assert(isfinite(bytes_amount[i + host_nb * j]),
+             "bytes_amount[%d+%d*%d] is not finite!", i, host_nb, j);
      }
   }
 
   xbt_assert(isfinite(amount), "amount is not finite!");
   xbt_assert(isfinite(rate), "rate is not finite!");
 
-  return simcall_BODY_host_parallel_execute(name, host_nb, host_list,
-                                            computation_amount,
-                                            communication_amount,
+  return simcall_BODY_process_parallel_execute(name, host_nb, host_list,
+                                            flops_amount,
+                                            bytes_amount,
                                             amount, rate);
 
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Destroys an execution synchro.
  *
  * Destroys a synchro, freeing its memory. This function cannot be called if there are a conditional waiting for it.
  * \param execution The execution synchro to destroy
  */
-void simcall_host_execution_destroy(smx_synchro_t execution)
+void simcall_process_execution_destroy(smx_synchro_t execution)
 {
-  simcall_BODY_host_execution_destroy(execution);
+  simcall_BODY_process_execution_destroy(execution);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Cancels an execution synchro.
  *
  * This functions stops the execution. It calls a surf function.
  * \param execution The execution synchro to cancel
  */
-void simcall_host_execution_cancel(smx_synchro_t execution)
+void simcall_process_execution_cancel(smx_synchro_t execution)
 {
-  simcall_BODY_host_execution_cancel(execution);
+  simcall_BODY_process_execution_cancel(execution);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Returns how much of an execution synchro remains to be done.
  *
  * \param execution The execution synchro
  * \return The remaining amount
  */
-double simcall_host_execution_get_remains(smx_synchro_t execution)
+double simcall_process_execution_get_remains(smx_synchro_t execution)
 {
-  return simcall_BODY_host_execution_get_remains(execution);
+  return simcall_BODY_process_execution_get_remains(execution);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Returns the state of an execution synchro.
  *
  * \param execution The execution synchro
  * \return The state
  */
-e_smx_state_t simcall_host_execution_get_state(smx_synchro_t execution)
+e_smx_state_t simcall_process_execution_get_state(smx_synchro_t execution)
 {
-  return simcall_BODY_host_execution_get_state(execution);
+  return simcall_BODY_process_execution_get_state(execution);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Changes the priority of an execution synchro.
  *
  * This functions changes the priority only. It calls a surf function.
  * \param execution The execution synchro
  * \param priority The new priority
  */
-void simcall_host_execution_set_priority(smx_synchro_t execution, double priority)
+void simcall_process_execution_set_priority(smx_synchro_t execution, double priority)
 {
   /* checking for infinite values */
   xbt_assert(isfinite(priority), "priority is not finite!");
 
-  simcall_BODY_host_execution_set_priority(execution, priority);
+  simcall_BODY_process_execution_set_priority(execution, priority);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Changes the capping (the maximum CPU utilization) of an execution synchro.
  *
  * This functions changes the capping only. It calls a surf function.
  * \param execution The execution synchro
  * \param bound The new bound
  */
-void simcall_host_execution_set_bound(smx_synchro_t execution, double bound)
+void simcall_process_execution_set_bound(smx_synchro_t execution, double bound)
 {
-  simcall_BODY_host_execution_set_bound(execution, bound);
+  simcall_BODY_process_execution_set_bound(execution, bound);
 }
 
 /**
- * \ingroup simix_host_management
+ * \ingroup simix_process_management
  * \brief Changes the CPU affinity of an execution synchro.
  *
  * This functions changes the CPU affinity of an execution synchro. See taskset(1) on Linux.
@@ -369,9 +286,9 @@ void simcall_host_execution_set_bound(smx_synchro_t execution, double bound)
  * \param host Host
  * \param mask Affinity mask
  */
-void simcall_host_execution_set_affinity(smx_synchro_t execution, smx_host_t host, unsigned long mask)
+void simcall_process_execution_set_affinity(smx_synchro_t execution, sg_host_t host, unsigned long mask)
 {
-  simcall_BODY_host_execution_set_affinity(execution, host, mask);
+  simcall_BODY_process_execution_set_affinity(execution, host, mask);
 }
 
 /**
@@ -380,9 +297,9 @@ void simcall_host_execution_set_affinity(smx_synchro_t execution, smx_host_t hos
  *
  * \param execution The execution synchro
  */
-e_smx_state_t simcall_host_execution_wait(smx_synchro_t execution)
+e_smx_state_t simcall_process_execution_wait(smx_synchro_t execution)
 {
-  return simcall_BODY_host_execution_wait(execution);
+  return simcall_BODY_process_execution_wait(execution);
 }
 
 
@@ -395,7 +312,7 @@ e_smx_state_t simcall_host_execution_wait(smx_synchro_t execution)
  *
  * \return The host object of the VM
  */
-void* simcall_vm_create(const char *name, smx_host_t phys_host){
+void* simcall_vm_create(const char *name, sg_host_t phys_host){
   return simcall_BODY_vm_create(name, phys_host);
 }
 
@@ -405,7 +322,7 @@ void* simcall_vm_create(const char *name, smx_host_t phys_host){
  *
  * \param vm VM
  */
-void simcall_vm_start(smx_host_t vm)
+void simcall_vm_start(sg_host_t vm)
 {
   simcall_BODY_vm_start(vm);
 }
@@ -417,7 +334,7 @@ void simcall_vm_start(smx_host_t vm)
  * \param vm VM
  * \return The state of the VM
  */
-int simcall_vm_get_state(smx_host_t vm)
+int simcall_vm_get_state(sg_host_t vm)
 {
   return simcall_BODY_vm_get_state(vm);
 }
@@ -429,27 +346,27 @@ int simcall_vm_get_state(smx_host_t vm)
  * \param vm VM
  * \return The name of the physical host
  */
-void *simcall_vm_get_pm(smx_host_t vm)
+void *simcall_vm_get_pm(sg_host_t vm)
 {
   return simcall_BODY_vm_get_pm(vm);
 }
 
-void simcall_vm_set_bound(smx_host_t vm, double bound)
+void simcall_vm_set_bound(sg_host_t vm, double bound)
 {
   simcall_BODY_vm_set_bound(vm, bound);
 }
 
-void simcall_vm_set_affinity(smx_host_t vm, smx_host_t pm, unsigned long mask)
+void simcall_vm_set_affinity(sg_host_t vm, sg_host_t pm, unsigned long mask)
 {
   simcall_BODY_vm_set_affinity(vm, pm, mask);
 }
 
-void simcall_host_get_params(smx_host_t vm, ws_params_t params)
+void simcall_host_get_params(sg_host_t vm, vm_params_t params)
 {
   simcall_BODY_host_get_params(vm, params);
 }
 
-void simcall_host_set_params(smx_host_t vm, ws_params_t params)
+void simcall_host_set_params(sg_host_t vm, vm_params_t params)
 {
   simcall_BODY_host_set_params(vm, params);
 }
@@ -461,7 +378,7 @@ void simcall_host_set_params(smx_host_t vm, ws_params_t params)
  * \param vm VM
  * \param host Destination physical host
  */
-void simcall_vm_migrate(smx_host_t vm, smx_host_t host)
+void simcall_vm_migrate(sg_host_t vm, sg_host_t host)
 {
   simcall_BODY_vm_migrate(vm, host);
 }
@@ -472,7 +389,7 @@ void simcall_vm_migrate(smx_host_t vm, smx_host_t host)
  *
  * \param vm VM
  */
-void simcall_vm_suspend(smx_host_t vm)
+void simcall_vm_suspend(sg_host_t vm)
 {
   simcall_BODY_vm_suspend(vm);
 }
@@ -483,7 +400,7 @@ void simcall_vm_suspend(smx_host_t vm)
  *
  * \param vm VM
  */
-void simcall_vm_resume(smx_host_t vm)
+void simcall_vm_resume(sg_host_t vm)
 {
   simcall_BODY_vm_resume(vm);
 }
@@ -494,7 +411,7 @@ void simcall_vm_resume(smx_host_t vm)
  *
  * \param vm VM
  */
-void simcall_vm_save(smx_host_t vm)
+void simcall_vm_save(sg_host_t vm)
 {
   simcall_BODY_vm_save(vm);
 }
@@ -505,7 +422,7 @@ void simcall_vm_save(smx_host_t vm)
  *
  * \param vm VM
  */
-void simcall_vm_restore(smx_host_t vm)
+void simcall_vm_restore(sg_host_t vm)
 {
   simcall_BODY_vm_restore(vm);
 }
@@ -516,7 +433,7 @@ void simcall_vm_restore(smx_host_t vm)
  *
  * \param vm VM
  */
-void simcall_vm_shutdown(smx_host_t vm)
+void simcall_vm_shutdown(sg_host_t vm)
 {
   simcall_BODY_vm_shutdown(vm);
 }
@@ -527,11 +444,29 @@ void simcall_vm_shutdown(smx_host_t vm)
  *
  * \param vm VM
  */
-void simcall_vm_destroy(smx_host_t vm)
+void simcall_vm_destroy(sg_host_t vm)
 {
   simcall_BODY_vm_destroy(vm);
 }
 
+/**
+ * \ingroup simix_vm_management
+ * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
+ *  The simcall actually invokes the following calls: 
+ *     simcall_vm_set_affinity(vm, src_pm, 0); 
+ *     simcall_vm_migrate(vm, dst_pm); 
+ *     simcall_vm_resume(vm);
+ *
+ * It is called at the end of the migration_rx_fun function from msg/msg_vm.c
+ *
+ * \param vm VM to migrate
+ * \param src_pm  Source physical host
+ * \param dst_pmt Destination physical host
+ */
+void simcall_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
+{
+  simcall_BODY_vm_migratefrom_resumeto(vm, src_pm, dst_pm);
+}
 
 /**
  * \ingroup simix_process_management
@@ -539,7 +474,6 @@ void simcall_vm_destroy(smx_host_t vm)
  *
  * The structure and the corresponding thread are created and put in the list of ready processes.
  *
- * \param process the process created will be stored in this pointer
  * \param name a name for the process. It is for user-level information and can be NULL.
  * \param code the main function of the process
  * \param data a pointer to any data one may want to attach to the new object. It is for user-level information and can be NULL.
@@ -551,7 +485,7 @@ void simcall_vm_destroy(smx_host_t vm)
  * \param properties the properties of the process
  * \param auto_restart either it is autorestarting or not.
  */
-void simcall_process_create(smx_process_t *process, const char *name,
+smx_process_t simcall_process_create(const char *name,
                               xbt_main_func_t code,
                               void *data,
                               const char *hostname,
@@ -560,7 +494,7 @@ void simcall_process_create(smx_process_t *process, const char *name,
                               xbt_dict_t properties,
                               int auto_restart)
 {
-  simcall_BODY_process_create(process, name, code, data, hostname,
+  return (smx_process_t) simcall_BODY_process_create(name, code, data, hostname,
                               kill_time, argc, argv, properties,
                               auto_restart);
 }
@@ -606,9 +540,9 @@ void simcall_process_cleanup(smx_process_t process)
  * \param process the process to migrate
  * \param dest name of the new host
  */
-void simcall_process_change_host(smx_process_t process, smx_host_t dest)
+void simcall_process_set_host(smx_process_t process, sg_host_t dest)
 {
-  simcall_BODY_process_change_host(process, dest);
+  simcall_BODY_process_set_host(process, dest);
 }
 
 void simcall_process_join(smx_process_t process, double timeout)
@@ -727,8 +661,6 @@ void simcall_process_set_data(smx_process_t process, void *data)
 /**
  * \ingroup simix_process_management
  * \brief Set the kill time of a process.
- * \param process a process
- * \param kill_time a double
  */
 void simcall_process_set_kill_time(smx_process_t process, double kill_time)
 {
@@ -736,22 +668,29 @@ void simcall_process_set_kill_time(smx_process_t process, double kill_time)
   if (kill_time > SIMIX_get_clock()) {
     if (simix_global->kill_process_function) {
       XBT_DEBUG("Set kill time %f for process %s(%s)",kill_time, process->name,
-          sg_host_name(process->smx_host));
-      SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
+          sg_host_name(process->host));
+      process->kill_timer = SIMIX_timer_set(kill_time, simix_global->kill_process_function, process);
     }
   }
 }
+/**
+ * \ingroup simix_process_management
+ * \brief Get the kill time of a process (or 0 if unset).
+ */
+double simcall_process_get_kill_time(smx_process_t process) {
+	return SIMIX_timer_get_date(process->kill_timer);
+}
 
 /**
  * \ingroup simix_process_management
  * \brief Return the location on which an agent is running.
  *
- * This functions returns the smx_host_t corresponding to the location on which
+ * This functions returns the sg_host_t corresponding to the location on which
  * \a process is running.
  * \param process SIMIX process
  * \return SIMIX host
  */
-smx_host_t simcall_process_get_host(smx_process_t process)
+sg_host_t simcall_process_get_host(smx_process_t process)
 {
   return simcall_BODY_process_get_host(process);
 }
@@ -886,7 +825,7 @@ smx_rdv_t simcall_rdv_get_by_name(const char *name)
  *  \param host The host to be counted
  *  \return The number of comm synchros pending in the rdv
  */
-int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host)
+int simcall_rdv_comm_count_by_host(smx_rdv_t rdv, sg_host_t host)
 {
   return simcall_BODY_rdv_comm_count_by_host(rdv, host);
 }
@@ -915,7 +854,7 @@ smx_process_t simcall_rdv_get_receiver(smx_rdv_t rdv)
 /**
  * \ingroup simix_comm_management
  */
-void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
+void simcall_comm_send(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
                          void *src_buff, size_t src_buff_size,
                          int (*match_fun)(void *, void *, smx_synchro_t),
                          void (*copy_data_fun)(smx_synchro_t, void*, size_t), void *data,
@@ -928,16 +867,16 @@ void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, doubl
 
   xbt_assert(rdv, "No rendez-vous point defined for send");
 
-  if (MC_is_active()) {
+  if (MC_is_active() || MC_record_replay_is_active()) {
     /* the model-checker wants two separate simcalls */
     smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
-    comm = simcall_comm_isend(src, rdv, task_size, rate,
+    comm = simcall_comm_isend(sender, rdv, task_size, rate,
         src_buff, src_buff_size, match_fun, NULL, copy_data_fun, data, 0);
     simcall_comm_wait(comm, timeout);
     comm = NULL;
   }
   else {
-    simcall_BODY_comm_send(src, rdv, task_size, rate, src_buff, src_buff_size,
+    simcall_BODY_comm_send(sender, rdv, task_size, rate, src_buff, src_buff_size,
                          match_fun, copy_data_fun, data, timeout);
   }
 }
@@ -945,7 +884,7 @@ void simcall_comm_send(smx_process_t src, smx_rdv_t rdv, double task_size, doubl
 /**
  * \ingroup simix_comm_management
  */
-smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_size, double rate,
+smx_synchro_t simcall_comm_isend(smx_process_t sender, smx_rdv_t rdv, double task_size, double rate,
                               void *src_buff, size_t src_buff_size,
                               int (*match_fun)(void *, void *, smx_synchro_t),
                               void (*clean_fun)(void *),
@@ -959,7 +898,7 @@ smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_s
 
   xbt_assert(rdv, "No rendez-vous point defined for isend");
 
-  return simcall_BODY_comm_isend(src, rdv, task_size, rate, src_buff,
+  return simcall_BODY_comm_isend(sender, rdv, task_size, rate, src_buff,
                                  src_buff_size, match_fun,
                                  clean_fun, copy_data_fun, data, detached);
 }
@@ -967,7 +906,7 @@ smx_synchro_t simcall_comm_isend(smx_process_t src, smx_rdv_t rdv, double task_s
 /**
  * \ingroup simix_comm_management
  */
-void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
+void simcall_comm_recv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
                        int (*match_fun)(void *, void *, smx_synchro_t),
                        void (*copy_data_fun)(smx_synchro_t, void*, size_t),
                        void *data, double timeout, double rate)
@@ -975,30 +914,30 @@ void simcall_comm_recv(smx_rdv_t rdv, void *dst_buff, size_t * dst_buff_size,
   xbt_assert(isfinite(timeout), "timeout is not finite!");
   xbt_assert(rdv, "No rendez-vous point defined for recv");
 
-  if (MC_is_active()) {
+  if (MC_is_active() || MC_record_replay_is_active()) {
     /* the model-checker wants two separate simcalls */
     smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simcall */
-    comm = simcall_comm_irecv(rdv, dst_buff, dst_buff_size,
+    comm = simcall_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
                               match_fun, copy_data_fun, data, rate);
     simcall_comm_wait(comm, timeout);
     comm = NULL;
   }
   else {
-    simcall_BODY_comm_recv(rdv, dst_buff, dst_buff_size,
+    simcall_BODY_comm_recv(receiver, rdv, dst_buff, dst_buff_size,
                            match_fun, copy_data_fun, data, timeout, rate);
   }
 }
 /**
  * \ingroup simix_comm_management
  */
-smx_synchro_t simcall_comm_irecv(smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
+smx_synchro_t simcall_comm_irecv(smx_process_t receiver, smx_rdv_t rdv, void *dst_buff, size_t *dst_buff_size,
                                 int (*match_fun)(void *, void *, smx_synchro_t),
                                 void (*copy_data_fun)(smx_synchro_t, void*, size_t),
                                 void *data, double rate)
 {
   xbt_assert(rdv, "No rendez-vous point defined for irecv");
 
-  return simcall_BODY_comm_irecv(rdv, dst_buff, dst_buff_size,
+  return simcall_BODY_comm_irecv(receiver, rdv, dst_buff, dst_buff_size,
                                  match_fun, copy_data_fun, data, rate);
 }
 
@@ -1048,7 +987,6 @@ void simcall_comm_wait(smx_synchro_t comm, double timeout)
   simcall_BODY_comm_wait(comm, timeout);
 }
 
-#ifdef HAVE_TRACING
 /**
  * \brief Set the category of an synchro.
  *
@@ -1063,7 +1001,6 @@ void simcall_set_category(smx_synchro_t synchro, const char *category)
   }
   simcall_BODY_set_category(synchro, category);
 }
-#endif
 
 /**
  * \ingroup simix_comm_management
@@ -1309,7 +1246,7 @@ int simcall_sem_get_capacity(smx_sem_t sem)
  * \ingroup simix_file_management
  *
  */
-sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, smx_host_t host)
+sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
 {
   return simcall_BODY_file_read(fd, size, host);
 }
@@ -1318,7 +1255,7 @@ sg_size_t simcall_file_read(smx_file_t fd, sg_size_t size, smx_host_t host)
  * \ingroup simix_file_management
  *
  */
-sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, smx_host_t host)
+sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
 {
   return simcall_BODY_file_write(fd, size, host);
 }
@@ -1327,7 +1264,7 @@ sg_size_t simcall_file_write(smx_file_t fd, sg_size_t size, smx_host_t host)
  * \ingroup simix_file_management
  * \brief
  */
-smx_file_t simcall_file_open(const char* fullpath, smx_host_t host)
+smx_file_t simcall_file_open(const char* fullpath, sg_host_t host)
 {
   return simcall_BODY_file_open(fullpath, host);
 }
@@ -1336,7 +1273,7 @@ smx_file_t simcall_file_open(const char* fullpath, smx_host_t host)
  * \ingroup simix_file_management
  *
  */
-int simcall_file_close(smx_file_t fd, smx_host_t host)
+int simcall_file_close(smx_file_t fd, sg_host_t host)
 {
   return simcall_BODY_file_close(fd, host);
 }
@@ -1345,7 +1282,7 @@ int simcall_file_close(smx_file_t fd, smx_host_t host)
  * \ingroup simix_file_management
  *
  */
-int simcall_file_unlink(smx_file_t fd, smx_host_t host)
+int simcall_file_unlink(smx_file_t fd, sg_host_t host)
 {
   return simcall_BODY_file_unlink(fd, host);
 }
@@ -1419,7 +1356,7 @@ sg_size_t simcall_storage_get_used_size (smx_storage_t storage){
  * \param host A SIMIX host
  * \return a dict containing all storages mounted on the host
  */
-xbt_dict_t simcall_host_get_mounted_storage_list(smx_host_t host)
+xbt_dict_t simcall_host_get_mounted_storage_list(sg_host_t host)
 {
   return simcall_BODY_host_get_mounted_storage_list(host);
 }
@@ -1430,7 +1367,7 @@ xbt_dict_t simcall_host_get_mounted_storage_list(smx_host_t host)
  * \param host A SIMIX host
  * \return a dict containing all storages attached to the host
  */
-xbt_dynar_t simcall_host_get_attached_storage_list(smx_host_t host)
+xbt_dynar_t simcall_host_get_attached_storage_list(sg_host_t host)
 {
   return simcall_BODY_host_get_attached_storage_list(host);
 }
@@ -1471,12 +1408,12 @@ int simcall_mc_compare_snapshots(void *s1, void *s2) {
   return simcall_BODY_mc_compare_snapshots(s1, s2);
 }
 
+#endif /* HAVE_MC */
+
 int simcall_mc_random(int min, int max) {
   return simcall_BODY_mc_random(min, max);
 }
 
-#endif /* HAVE_MC */
-
 /* ************************************************************************** */
 
 /** @brief returns a printable string representing a simcall */