X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f6a147ae4d559391e52232a5d0cde1cd5adf9e62..220a6109b767302515959ba7b80a36cfd9fd94ca:/src/simix/smx_global.c

diff --git a/src/simix/smx_global.c b/src/simix/smx_global.c
index eb212911ac..3bb6bff54a 100644
--- a/src/simix/smx_global.c
+++ b/src/simix/smx_global.c
@@ -13,6 +13,14 @@
 #include "mc/mc.h"
 #include "simgrid/sg_config.h"
 
+#ifdef HAVE_MC
+#include "mc/mc_private.h"
+#endif
+
+#ifdef HAVE_SMPI
+#include "smpi/private.h"
+#endif
+
 XBT_LOG_NEW_CATEGORY(simix, "All SIMIX categories");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix,
                                 "Logging specific to SIMIX (kernel)");
@@ -31,11 +39,11 @@ int _sg_do_verbose_exit = 1;
 static void _XBT_CALL inthandler(int ignored)
 {
   if ( _sg_do_verbose_exit ) {
-     XBT_INFO("CTRL-C pressed. Displaying status and bailing out");
+     XBT_INFO("CTRL-C pressed. The current status will be displayed before exit (disable that behavior with option 'verbose-exit').");
      SIMIX_display_process_status();
   }
   else {
-     XBT_INFO("CTRL-C pressed. bailing out without displaying because verbose-exit is disabled");
+     XBT_INFO("CTRL-C pressed, exiting. Hiding the current process status since 'verbose-exit' is set to false.");
   }
   exit(1);
 }
@@ -58,7 +66,23 @@ static void _XBT_CALL segvhandler(int signum, siginfo_t *siginfo, void *context)
               "siginfo = {si_signo = %d, si_errno = %d, si_code = %d, si_addr = %p}\n",
               siginfo->si_signo, siginfo->si_errno, siginfo->si_code, siginfo->si_addr);
     }
+  } else  if (siginfo->si_signo == SIGSEGV) {
+    fprintf(stderr, "Segmentation fault.\n");
+#ifdef HAVE_SMPI
+    if (smpi_enabled() && !smpi_privatize_global_variables) {
+      fprintf(stderr,
+        "Try to enable SMPI variable privatization with --cfg=smpi/privatize_global_variables:yes.\n");
+    }
+#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);
 }