minix/lib/libc/sys/clock_settime.c

   1 #include <sys/cdefs.h>
   2 #include <lib.h>
   3 #include "namespace.h"
   4
   5 #include <string.h>
   6 #include <time.h>
   7
   8 #ifdef __weak_alias
   9 __weak_alias(clock_settime, __clock_settime50);
  10 #endif
  11
  12 int clock_settime(clockid_t clock_id, const struct timespec *ts)
  13 {
  14   message m;
  15
  16   memset(&m, 0, sizeof(m));
  17   m.m_lc_pm_time.clk_id = clock_id;
  18   m.m_lc_pm_time.now = 1; /* set time immediately. don't use adjtime() method. */
  19   m.m_lc_pm_time.sec = ts->tv_sec;
  20   m.m_lc_pm_time.nsec = ts->tv_nsec;
  21
  22   if (_syscall(PM_PROC_NR, PM_CLOCK_SETTIME, &m) < 0)
  23         return -1;
  24
  25   return 0;
  26 }
  27