Move global variables to class Context.

[simgrid.git] / src / simix / smx_global.cpp

diff --git a/src/simix/smx_global.cpp b/src/simix/smx_global.cpp
index 1c38673..034e5be 100644 (file)
--- a/src/simix/smx_global.cpp
+++ b/src/simix/smx_global.cpp
@@ -24,6 +24,7 @@
 #include "src/mc/remote/AppSide.hpp"
 #endif
 
+#include <memory>
 
 XBT_LOG_NEW_CATEGORY(simix, "All SIMIX categories");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix, "Logging specific to SIMIX (kernel)");
@@ -34,7 +35,7 @@ void (*SMPI_switch_data_segment)(simgrid::s4u::ActorPtr) = nullptr;
 
 namespace simgrid {
 namespace simix {
-config::Flag<double> cfg_verbose_exit{"debug/verbose-exit", {"verbose-exit"}, "Display the actor status at exit", true};
+config::Flag<bool> cfg_verbose_exit{"debug/verbose-exit", {"verbose-exit"}, "Display the actor status at exit", true};
 } // namespace simix
 } // namespace simgrid
 
@@ -84,7 +85,7 @@ static void segvhandler(int signum, siginfo_t* siginfo, void* /*context*/)
   std::raise(signum);
 }
 
-unsigned char sigsegv_stack[SIGSTKSZ]; /* alternate stack for SIGSEGV handler */
+std::array<unsigned char, SIGSTKSZ> sigsegv_stack; /* alternate stack for SIGSEGV handler */
 
 /**
  * Install signal handler for SIGSEGV.  Check that nobody has already installed
@@ -92,13 +93,9 @@ unsigned char sigsegv_stack[SIGSTKSZ]; /* alternate stack for SIGSEGV handler */
  */
 static void install_segvhandler()
 {
-  stack_t stack;
   stack_t old_stack;
-  stack.ss_sp = sigsegv_stack;
-  stack.ss_size = sizeof sigsegv_stack;
-  stack.ss_flags = 0;
 
-  if (sigaltstack(&stack, &old_stack) == -1) {
+  if (simgrid::kernel::context::Context::install_sigsegv_stack(&old_stack, true) == -1) {
     XBT_WARN("Failed to register alternate signal stack: %s", strerror(errno));
     return;
   }
@@ -136,7 +133,7 @@ namespace simix {
 
 Timer* Timer::set(double date, xbt::Task<void()>&& callback)
 {
-  Timer* timer   = new Timer(date, std::move(callback));
+  auto* timer    = new Timer(date, std::move(callback));
   timer->handle_ = simix_timers.emplace(std::make_pair(date, timer));
   return timer;
 }
@@ -198,7 +195,7 @@ void Global::run_all_actors()
 }
 
 /** Wake up all actors waiting for a Surf action to finish */
-void Global::wake_all_waiting_actors()
+void Global::wake_all_waiting_actors() const
 {
   for (auto const& model : all_existing_models) {
     kernel::resource::Action* action;
@@ -220,7 +217,7 @@ void Global::wake_all_waiting_actors()
   }
 }
 
-void Global::display_all_actor_status()
+void Global::display_all_actor_status() const
 {
   XBT_INFO("%zu actors are still running, waiting for something.", process_list.size());
   /*  List the actors and their state */
@@ -230,10 +227,6 @@ void Global::display_all_actor_status()
 
     if (actor->waiting_synchro_) {
       const char* synchro_description = "unknown";
-      // we don't care about the Activity type to get its name, use RawImpl
-      const char* name = boost::static_pointer_cast<kernel::activity::ActivityImpl_T<kernel::activity::RawImpl>>(
-                             actor->waiting_synchro_)
-                             ->get_cname();
 
       if (boost::dynamic_pointer_cast<kernel::activity::ExecImpl>(actor->waiting_synchro_) != nullptr)
         synchro_description = "execution";
@@ -252,8 +245,8 @@ void Global::display_all_actor_status()
 
       XBT_INFO("Actor %ld (%s@%s): waiting for %s activity %#zx (%s) in state %d to finish", actor->get_pid(),
                actor->get_cname(), actor->get_host()->get_cname(), synchro_description,
-               (xbt_log_no_loc ? (size_t)0xDEADBEEF : (size_t)actor->waiting_synchro_.get()), name,
-               (int)actor->waiting_synchro_->state_);
+               (xbt_log_no_loc ? (size_t)0xDEADBEEF : (size_t)actor->waiting_synchro_.get()),
+               actor->waiting_synchro_->get_cname(), (int)actor->waiting_synchro_->state_);
     } else {
       XBT_INFO("Actor %ld (%s@%s)", actor->get_pid(), actor->get_cname(), actor->get_host()->get_cname());
     }
@@ -289,7 +282,7 @@ void SIMIX_global_init(int *argc, char **argv)
   if (simix_global == nullptr) {
     surf_init(argc, argv); /* Initialize SURF structures */
 
-    simix_global.reset(new simgrid::simix::Global());
+    simix_global           = std::make_unique<simgrid::simix::Global>();
     simix_global->maestro_ = nullptr;
     SIMIX_context_mod_init();
 
@@ -334,7 +327,7 @@ void SIMIX_clean()
   }
 
 #if HAVE_SMPI
-  if (simix_global->process_list.size() > 0) {
+  if (not simix_global->process_list.empty()) {
     if(smpi_process()->initialized()){
       xbt_die("Process exited without calling MPI_Finalize - Killing simulation");
     }else{