X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/17616c140fdd6df448bf3b89e258e0bcd4f0ff0d..edada81d50549499871369f63a5ac01d652b283e:/include/xbt/xbt_os_time.h

diff --git a/include/xbt/xbt_os_time.h b/include/xbt/xbt_os_time.h
index 77b27e1a17..15b54af536 100644
--- a/include/xbt/xbt_os_time.h
+++ b/include/xbt/xbt_os_time.h
@@ -1,6 +1,6 @@
 /*  xbt/xbt_os_timer.h -- system dependency on time functions               */
 
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -21,10 +21,11 @@ XBT_PUBLIC double xbt_os_time(void);
 XBT_PUBLIC void xbt_os_sleep(double sec);
 
 typedef struct s_xbt_os_timer *xbt_os_timer_t;
+typedef const struct s_xbt_os_timer* const_xbt_os_timer_t;
 
 XBT_PUBLIC xbt_os_timer_t xbt_os_timer_new(void);
 XBT_PUBLIC void xbt_os_timer_free(xbt_os_timer_t timer);
-XBT_PUBLIC double xbt_os_timer_elapsed(xbt_os_timer_t timer);
+XBT_PUBLIC double xbt_os_timer_elapsed(const_xbt_os_timer_t timer);
 XBT_PUBLIC size_t xbt_os_timer_size(void);
 
 XBT_PUBLIC void xbt_os_walltimer_start(xbt_os_timer_t timer);