/* 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. */
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);