Add convenient debug function on conditions and use it in simix.

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

diff --git a/src/msg/msg_mailbox.c b/src/msg/msg_mailbox.c
index 22c8fb4..2dddabf 100644 (file)
--- a/src/msg/msg_mailbox.c
+++ b/src/msg/msg_mailbox.c
@@ -214,9 +214,12 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
       }
     }
 
-    xbt_assert1(!MSG_mailbox_get_cond(mailbox),
-               "A process is already blocked on the channel %s",
+    if (MSG_mailbox_get_cond(mailbox)) {
+      CRITICAL1("A process is already blocked on the channel %s",
                MSG_mailbox_get_alias(mailbox));
+      SIMIX_cond_display_info(MSG_mailbox_get_cond(mailbox));
+      xbt_die("Go fix your code!");
+    }
 
     cond = SIMIX_cond_init();