[trace] replace IS_TRACING by TRACE_is_active() function

[simgrid.git] / include / instr / instr.h

diff --git a/include/instr/instr.h b/include/instr/instr.h
index 03e804e..52b364a 100644 (file)
--- a/include/instr/instr.h
+++ b/include/instr/instr.h
@@ -24,6 +24,7 @@
 #define TRACE_ERROR_MASK 400
 #define TRACE_ERROR_FILE_OPEN 401
 #define TRACE_ERROR_START 500
+#define TRACE_ERROR_ALREADY_ACTIVE 501
 
 XBT_PUBLIC(int) TRACE_start(void);
 XBT_PUBLIC(int) TRACE_end(void);