X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/778ef0bf09f58678e4cd2bad3e57cdfeb716dd45..351f33cd435ca4f01717f0b8a4fe7a77ba16edbf:/src/mc/mc_base.cpp

diff --git a/src/mc/mc_base.cpp b/src/mc/mc_base.cpp
index 788fca5ef5..ff7dbe359e 100644
--- a/src/mc/mc_base.cpp
+++ b/src/mc/mc_base.cpp
@@ -13,6 +13,8 @@
 #include "src/mc/mc_replay.hpp"
 #include "src/simix/smx_private.hpp"
 
+#include <random>
+
 #if SIMGRID_HAVE_MC
 #include "src/mc/ModelChecker.hpp"
 #include "src/mc/remote/RemoteClient.hpp"
@@ -95,17 +97,17 @@ bool actor_is_enabled(smx_actor_t actor)
           return true;
       }
       /* On the other hand if it hasn't a timeout, check if the comm is ready.*/
-      else if (act->detached && act->src_actor_ == nullptr &&
-               act->type == simgrid::kernel::activity::CommImpl::Type::READY)
+      else if (act->detached() && act->src_actor_ == nullptr &&
+               act->type_ == simgrid::kernel::activity::CommImpl::Type::READY)
         return (act->dst_actor_ != nullptr);
       return (act->src_actor_ && act->dst_actor_);
     }
 
     case SIMCALL_COMM_WAITANY: {
-      simgrid::kernel::activity::ActivityImpl** comms = simcall_comm_waitany__getraw__comms(req);
-      size_t count                                    = simcall_comm_waitany__get__count(req);
+      simgrid::kernel::activity::CommImpl** comms = simcall_comm_waitany__get__comms(req);
+      size_t count                                = simcall_comm_waitany__get__count(req);
       for (unsigned int index = 0; index < count; ++index) {
-        simgrid::kernel::activity::CommImpl* comm = static_cast<simgrid::kernel::activity::CommImpl*>(comms[index]);
+        auto* comm = comms[index];
         if (comm->src_actor_ && comm->dst_actor_)
           return true;
       }
@@ -115,9 +117,9 @@ bool actor_is_enabled(smx_actor_t actor)
     case SIMCALL_MUTEX_LOCK: {
       smx_mutex_t mutex = simcall_mutex_lock__get__mutex(req);
 
-      if (mutex->owner == nullptr)
+      if (mutex->owner_ == nullptr)
         return true;
-      return mutex->owner->get_pid() == req->issuer->get_pid();
+      return mutex->owner_->get_pid() == req->issuer->get_pid();
     }
 
     case SIMCALL_SEM_ACQUIRE: {
@@ -160,28 +162,12 @@ bool request_is_visible(smx_simcall_t req)
 }
 }
 
-static int prng_random(int min, int max)
-{
-  unsigned long output_size = ((unsigned long) max - (unsigned long) min) + 1;
-  unsigned long input_size = (unsigned long) RAND_MAX + 1;
-  unsigned long reject_size = input_size % output_size;
-  unsigned long accept_size = input_size - reject_size; // module*accept_size
-
-  // Use rejection in order to avoid skew
-  unsigned long x;
-  do {
-#ifndef _WIN32
-    x = (unsigned long) random();
-#else
-    x = (unsigned long) rand();
-#endif
-  } while( x >= accept_size );
-  return min + (x % output_size);
-}
-
 int simcall_HANDLER_mc_random(smx_simcall_t simcall, int min, int max)
 {
-  if (not MC_is_active() && MC_record_path.empty())
-    return prng_random(min, max);
+  if (not MC_is_active() && MC_record_path.empty()) {
+    static std::default_random_engine rnd_engine;
+    std::uniform_int_distribution<int> prng(min, max);
+    return prng(rnd_engine);
+  }
   return simcall->mc_value;
 }