compiler/clib/clock.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Returns time passed since start of program.
   6 */
   7
   8 #include "__arosc_privdata.h"
   9
  10 #include <dos/dos.h>
  11 #include <proto/dos.h>
  12 #include <aros/symbolsets.h>
  13
  14 /*****************************************************************************
  15
  16     NAME */
  17 #include <time.h>
  18
  19         clock_t clock (
  20
  21 /*  SYNOPSIS */
  22         void)
  23
  24 /*  FUNCTION
  25        clock() returns an approximation of the time passed since
  26        the program was started
  27
  28     INPUTS
  29
  30     RESULT
  31         The time passed in CLOCKS_PER_SEC units. To get the
  32         number of seconds divide by CLOCKS_PER_SEC.
  33
  34     NOTES
  35         This function must not be used in a shared library or
  36         in a threaded application.
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43         time()
  44
  45     INTERNALS
  46
  47 ******************************************************************************/
  48 {
  49     struct aroscbase *aroscbase = __aros_getbase_aroscbase();
  50
  51     return (clock_t)time(NULL) - aroscbase->acb_starttime;
  52 } /* clock */
  53
  54 int __init_clock(struct aroscbase *aroscbase)
  55 {
  56     aroscbase->acb_starttime = (clock_t)time(NULL);
  57
  58     return 1;
  59 }
  60
  61 ADD2OPENLIB(__init_clock, 20);