[trace] protecting the declaration of multiple types with the same name

[simgrid.git] / src / instr / instr_variables.c

diff --git a/src/instr/instr_variables.c b/src/instr/instr_variables.c
index 7e894f7..608186b 100644 (file)
--- a/src/instr/instr_variables.c
+++ b/src/instr/instr_variables.c
@@ -17,6 +17,9 @@ void TRACE_user_link_variable(double time, const char *resource,
   if (!TRACE_is_active())
     return;
 
+  xbt_assert1 (instr_platform_traced(),
+      "%s must be called after environment creation", __FUNCTION__);
+
   char valuestr[100];
   snprintf(valuestr, 100, "%g", value);
 
@@ -41,6 +44,9 @@ void TRACE_user_host_variable(double time, const char *variable,
   if (!TRACE_is_active())
     return;
 
+  xbt_assert1 (instr_platform_traced(),
+      "%s must be called after environment creation", __FUNCTION__);
+
   char valuestr[100];
   snprintf(valuestr, 100, "%g", value);