minix/fs/pfs/utility.c

   1 #include "fs.h"
   2
   3
   4 /*===========================================================================*
   5  *                              no_sys                                       *
   6  *===========================================================================*/
   7 int no_sys(message *pfs_m_in, message *pfs_m_out)
   8 {
   9 /* Somebody has used an illegal system call number */
  10   printf("no_sys: invalid call 0x%x to pfs\n", pfs_m_in->m_type);
  11   return(EINVAL);
  12 }
  13
  14
  15 /*===========================================================================*
  16  *                              clock_time                                   *
  17  *===========================================================================*/
  18 time_t clock_time()
  19 {
  20 /* This routine returns the time in seconds since 1.1.1970.  MINIX is an
  21  * astrophysically naive system that assumes the earth rotates at a constant
  22  * rate and that such things as leap seconds do not exist.
  23  */
  24
  25   int r;
  26   clock_t uptime;       /* Uptime in ticks */
  27   clock_t realtime;
  28   time_t boottime;
  29
  30   if ((r = getuptime(&uptime, &realtime, &boottime)) != OK)
  31                 panic("clock_time: getuptme2 failed: %d", r);
  32
  33   return( (time_t) (boottime + (realtime/sys_hz())));
  34 }