From: Martin Quinson <martin.quinson@loria.fr>
Date: Tue, 11 Dec 2012 10:50:15 +0000 (+0100)
Subject: make an error message informative
X-Git-Tag: v3_9_rc1~86^2~137
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/eea6f94335c93d0b4328e8435ee4f6e26154e48a?ds=inline

make an error message informative
---

diff --git a/src/msg/msg_task.c b/src/msg/msg_task.c
index b280a7c541..013c4f12e3 100644
--- a/src/msg/msg_task.c
+++ b/src/msg/msg_task.c
@@ -298,7 +298,7 @@ msg_error_t MSG_task_destroy(msg_task_t task)
  */
 msg_error_t MSG_task_cancel(msg_task_t task)
 {
-  xbt_assert((task != NULL), "Invalid parameter");
+  xbt_assert((task != NULL), "Cannot cancel a NULL task");
 
   if (task->simdata->compute) {
     simcall_host_execution_cancel(task->simdata->compute);