X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fa222c38f9b796be07ab4351ffc810a61a8fd705..5c19d3d6403ded95f8675596aa250240b6f7e467:/src/xbt/ex.c

diff --git a/src/xbt/ex.c b/src/xbt/ex.c
index 0cd35b8f6f..5fffc76748 100644
--- a/src/xbt/ex.c
+++ b/src/xbt/ex.c
@@ -45,15 +45,16 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "portable.h"           /* execinfo when available */
+#include "src/portable.h"           /* execinfo when available */
 #include "xbt/ex.h"
 #include "xbt/str.h"
 #include "xbt/synchro_core.h"
-#include "xbt_modinter.h"       /* backtrace initialization headers */
+#include "src/xbt_modinter.h"       /* backtrace initialization headers */
 
-#include "xbt/ex_interface.h"
+#include "src/xbt/ex_interface.h"
 #include "simgrid/sg_config.h"  /* Configuration mechanism of SimGrid */
 
+#include "simgrid/simix.h" /* SIMIX_process_self_get_name() */
 
 #undef HAVE_BACKTRACE
 #if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
@@ -100,8 +101,8 @@ void xbt_backtrace_display(xbt_ex_t * e)
   } else {
     int i;
 
-    fprintf(stderr, "Backtrace (displayed in thread %p):\n",
-            (void *) xbt_thread_self());
+    fprintf(stderr, "Backtrace (displayed in process %s):\n",
+        SIMIX_process_self_get_name());
     for (i = 1; i < e->used; i++)       /* no need to display "xbt_backtrace_display" */
       fprintf(stderr, "---> %s\n", e->bt_strings[i] + 4);
   }
@@ -124,11 +125,11 @@ void xbt_backtrace_display_current(void)
 }
 
 #if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
-# include "backtrace_linux.c"
+# include "src/xbt/backtrace_linux.c"
 #elif (defined(_XBT_WIN32) && defined (_M_IX86)) && !defined(__GNUC__)
-# include "backtrace_windows.c"
+# include "src/xbt/backtrace_windows.c"
 #else
-# include "backtrace_dummy.c"
+# include "src/xbt/backtrace_dummy.c"
 #endif
 
 /** @brief shows an exception content and the associated stack if available */
@@ -148,6 +149,11 @@ void xbt_ex_display(xbt_ex_t * e)
   XBT_CRITICAL("%s", e->msg);
   xbt_free(thrower);
 
+  if (xbt_initialized==0 || smx_cleaned) {
+	  fprintf(stderr, "Ouch. SimGrid is not initialized yet, or already closing. No backtrace available.\n");
+	  return; /* Not started yet or already closing. Trying to generate a backtrace would probably fail */
+  }
+
   if (!e->bt_strings)
     xbt_ex_setup_backtrace(e);
 
@@ -155,10 +161,15 @@ void xbt_ex_display(xbt_ex_t * e)
   if (e->used && e->bt_strings) {
     /* We have everything to build neat backtraces */
     int i;
+    int cutpath = 0;
+    TRY { // We don't want to have an exception while checking how to deal with the one we already have, do we?
+      cutpath = sg_cfg_get_boolean("exception/cutpath");
+    } CATCH_ANONYMOUS { }
 
     fprintf(stderr, "\n");
     for (i = 0; i < e->used; i++) {
-      if (sg_cfg_get_boolean("exception/cutpath")) {
+        
+      if (cutpath) {
         char* p = e->bt_strings[i];
         xbt_str_rtrim(p, ":0123456789");
         char* filename = strrchr(p, '/')+1;
@@ -333,7 +344,7 @@ XBT_TEST_UNIT("variables", test_variables, "variable value preservation")
 {
   xbt_ex_t ex;
   int r1;
-  int _XBT_GNUC_UNUSED r2;
+  int XBT_ATTRIB_UNUSED r2;
   int v1;
   volatile int v2;
 
@@ -400,37 +411,6 @@ static char *mallocex(int size)
 #define SMALLAMOUNT 10
 #define TOOBIG 100000000
 
-#if 0                           /* this contains syntax errors, actually */
-static void bad_example(void)
-{
-  struct {
-    char *first;
-  } *globalcontext;
-  ex_t ex;
-
-  /* BAD_EXAMPLE */
-  TRY {
-    char *cp1, *cp2, *cp3;
-
-    cp1 = mallocex(SMALLAMOUNT);
-    globalcontext->first = cp1;
-    cp2 = mallocex(TOOBIG);
-    cp3 = mallocex(SMALLAMOUNT);
-    strcpy(cp1, "foo");
-    strcpy(cp2, "bar");
-  }
-  TRY_CLEANUP {
-    free(cp3);
-    free(cp2);
-    free(cp1);
-  }
-  CATCH_ANONYMOUS {
-    printf("cp3=%s", cp3);
-    RETHROW;
-  }
-  /* end_of_bad_example */
-}
-#endif
 typedef struct {
   char *first;
 } global_context_t;