#define SLEEP(duration) \
if (MSG_process_sleep(duration) != MSG_OK) \
xbt_die("What's going on??? I failed to sleep!");
/** @addtogroup MSG_examples
#define SLEEP(duration) \
if (MSG_process_sleep(duration) != MSG_OK) \
xbt_die("What's going on??? I failed to sleep!");
/** @addtogroup MSG_examples