Protected all concurrent accesses to sources and destinations of instructions.

2 files changed, 13 insertions, 2 deletions

diff --git a/src/gui/dialogs/gotox.c b/src/gui/dialogs/gotox.c
index fd05100..5d19fee 100644
--- a/src/gui/dialogs/gotox.c
+++ b/src/gui/dialogs/gotox.c
@@ -269,7 +269,7 @@ GtkWidget *create_gotox_dialog_for_entry_points(GtkWindow *parent, GLoadedBinary
 *                                                                             *
 ******************************************************************************/
 
-GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *parent, GLoadedBinary *binary, const GArchInstruction *instr, bool back)
+GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *parent, GLoadedBinary *binary, GArchInstruction *instr, bool back)
 {
     GtkWidget *result;                      /* Fenêtre à renvoyer          */
     GtkTreeStore *store;                    /* Modèle de gestion           */
@@ -290,9 +290,15 @@ GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *parent, GLoadedBi
     /* Affichage de toutes les instructions référencées */
 
     if (back)
+    {
+        g_arch_instruction_rlock_src(instr);
         count = g_arch_instruction_get_sources(instr, &list, NULL);
+    }
     else
+    {
+        g_arch_instruction_rlock_dest(instr);
         count = g_arch_instruction_get_destinations(instr, &list, NULL, NULL);
+    }
 
     for (i = 0; i < count; i++)
     {
@@ -302,6 +308,11 @@ GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *parent, GLoadedBi
 
     }
 
+    if (back)
+        g_arch_instruction_runlock_src(instr);
+    else
+        g_arch_instruction_runlock_dest(instr);
+
     g_object_unref(G_OBJECT(store));
 
     gtk_dialog_set_response_sensitive(GTK_DIALOG(result), GTK_RESPONSE_OK, count > 0);
diff --git a/src/gui/dialogs/gotox.h b/src/gui/dialogs/gotox.h
index ab17d42..4284ae8 100644
--- a/src/gui/dialogs/gotox.h
+++ b/src/gui/dialogs/gotox.h
@@ -37,7 +37,7 @@
 GtkWidget *create_gotox_dialog_for_entry_points(GtkWindow *, GLoadedBinary *);
 
 /* Construit la fenêtre de sélection des références croisées. */
-GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *, GLoadedBinary *, const GArchInstruction *, bool);
+GtkWidget *create_gotox_dialog_for_cross_references(GtkWindow *, GLoadedBinary *, GArchInstruction *, bool);
 
 /* Fournit l'adresse obtenue par la saisie de l'utilisateur. */
 vmpa2t *get_address_from_gotox_dialog(GtkWidget *);