Merge with master

[simgrid.git] / src / msg / msg_global.c

diff --git a/src/msg/msg_global.c b/src/msg/msg_global.c
index 52d88d8..f00a073 100644 (file)
--- a/src/msg/msg_global.c
+++ b/src/msg/msg_global.c
@@ -25,6 +25,11 @@ static void MSG_exit(void);
 
 /********************************* MSG **************************************/
 
+static void _sg_cfg_cb_msg_multiple_backtraces(const char *name, int pos)
+{
+  msg_global->multiple_backtraces = xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
 /**
  * \ingroup msg_simulation
  * \brief Initialize MSG with less verifications
@@ -39,10 +44,15 @@ void MSG_init_nocheck(int *argc, char **argv) {
   xbt_getpid = MSG_process_self_PID;
   if (!msg_global) {
 
-    SIMIX_global_init(argc, argv);
-    
     msg_global = xbt_new0(s_MSG_Global_t, 1);
 
+    xbt_cfg_register(&_sg_cfg_set, "msg/multiple_backtraces",
+                     "Keep the severals backtraces",
+                     xbt_cfgelm_boolean, 1, 1, _sg_cfg_cb_msg_multiple_backtraces, NULL);
+    xbt_cfg_setdefault_boolean(_sg_cfg_set, "msg/multiple_backtraces", "no");
+
+    SIMIX_global_init(argc, argv);
+
 #ifdef MSG_USE_DEPRECATED
     msg_global->max_channel = 0;
 #endif
@@ -58,7 +68,7 @@ void MSG_init_nocheck(int *argc, char **argv) {
 
     sg_platf_postparse_add_cb(MSG_post_create_environment);
   }
-  
+
   if(MC_is_active()){
     /* Ignore total amount of messages sent during the simulation for heap comparison */
     MC_ignore_heap(&(msg_global->sent_msg), sizeof(msg_global->sent_msg));