smpi/privatization is not the concern of smx_context

[simgrid.git] / src / smpi / internals / smpi_global.cpp

diff --git a/src/smpi/internals/smpi_global.cpp b/src/smpi/internals/smpi_global.cpp
index 47c2a5c..769c009 100644 (file)
--- a/src/smpi/internals/smpi_global.cpp
+++ b/src/smpi/internals/smpi_global.cpp
@@ -6,6 +6,7 @@
 #include "SmpiHost.hpp"
 #include "mc/mc.h"
 #include "private.hpp"
+#include "simgrid/s4u/Engine.hpp"
 #include "simgrid/s4u/Host.hpp"
 #include "simgrid/s4u/Mailbox.hpp"
 #include "simgrid/s4u/forward.hpp"
@@ -382,7 +383,7 @@ static void smpi_init_options(){
 
 #if defined(__FreeBSD__)
     if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
-      XBT_INFO("Mixing mmap privatization is broken on FreeBSD, switching to dlopen privatization instead.");
+      XBT_INFO("mmap privatization is broken on FreeBSD, switching to dlopen privatization instead.");
       smpi_privatize_global_variables = SMPI_PRIVATIZE_DLOPEN;
     }
 #endif
@@ -419,7 +420,6 @@ static int smpi_run_entry_point(smpi_entry_point_type entry_point, std::vector<s
   int res = entry_point(argc, argv.get());
   if (res != 0){
     XBT_WARN("SMPI process did not return 0. Return value : %d", res);
-    smpi_process()->set_return_value(res);
     if (smpi_exit_status == 0)
       smpi_exit_status = res;
   }
@@ -494,7 +494,8 @@ int smpi_main(const char* executable, int argc, char *argv[])
           + "_" + std::to_string(rank++) + ".so";
 
         int fdin = open(executable_copy.c_str(), O_RDONLY);
-        xbt_assert(fdin >= 0, "Cannot read from %s", executable_copy.c_str());
+        xbt_assert(fdin >= 0, "Cannot read from %s. Please make sure that the file exists and is executable.",
+                   executable_copy.c_str());
         int fdout = open(target_executable.c_str(), O_CREAT | O_RDWR, S_IRWXU);
         xbt_assert(fdout >= 0, "Cannot write into %s", target_executable.c_str());
 
@@ -546,7 +547,7 @@ int smpi_main(const char* executable, int argc, char *argv[])
   else {
 
     // Load the dynamic library and resolve the entry point:
-    void* handle = dlopen(executable, RTLD_LAZY | RTLD_LOCAL | RTLD_DEEPBIND);
+    void* handle = dlopen(executable, RTLD_LAZY | RTLD_LOCAL);
     if (handle == nullptr)
       xbt_die("dlopen failed for %s: %s (errno: %d -- %s)", executable, dlerror(), errno, strerror(errno));
     smpi_entry_point_type entry_point = smpi_resolve_function(handle);
@@ -566,7 +567,7 @@ int smpi_main(const char* executable, int argc, char *argv[])
   SMPI_init();
   SIMIX_launch_application(argv[2]);
   SMPI_app_instance_register(smpi_default_instance_name, nullptr,
-                               SIMIX_process_count()); // This call has a side effect on process_count...
+                             process_data.size()); // This call has a side effect on process_count...
   MPI_COMM_WORLD = *smpi_deployment_comm_world(smpi_default_instance_name);
   smpi_universe_size = process_count;
 
@@ -604,7 +605,9 @@ int smpi_main(const char* executable, int argc, char *argv[])
 // Called either directly from the user code, or from the code called by smpirun
 void SMPI_init(){
   simgrid::s4u::Actor::onCreation.connect([](simgrid::s4u::ActorPtr actor) {
-    process_data.insert({actor, new simgrid::smpi::Process(actor, nullptr)});
+    if (not actor->isDaemon()) {
+      process_data.insert({actor, new simgrid::smpi::Process(actor, nullptr)});
+    }
   });
   simgrid::s4u::Actor::onDestruction.connect([](simgrid::s4u::ActorPtr actor) {
     auto it = process_data.find(actor);
@@ -618,7 +621,7 @@ void SMPI_init(){
   smpi_global_init();
   smpi_check_options();
   TRACE_smpi_alloc();
-  simgrid::surf::surfExitCallbacks.connect(TRACE_smpi_release);
+  simgrid::s4u::onSimulationEnd.connect(TRACE_smpi_release);
   if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP)
     smpi_backup_global_memory_segment();
 }