src/lib/wallclock/approx_time.h

   1 /* Copyright (c) 2003-2004, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2021, The Tor Project, Inc. */
   4 /* See LICENSE for licensing information */
   5
   6 /**
   7  * \file approx_time.h
   8  * \brief Header for approx_time.c
   9  **/
  10
  11 #ifndef TOR_APPROX_TIME_H
  12 #define TOR_APPROX_TIME_H
  13
  14 #include <time.h>
  15
  16 /* Cached time */
  17 #ifdef TIME_IS_FAST
  18 #define approx_time() time(NULL)
  19 #define update_approx_time(t) STMT_NIL
  20 #else
  21 time_t approx_time(void);
  22 void update_approx_time(time_t now);
  23 #endif /* defined(TIME_IS_FAST) */
  24
  25 #endif /* !defined(TOR_APPROX_TIME_H) */