minix/lib/libc/sys/clock_getres.c

   1 #include <sys/cdefs.h>
   2 #include <lib.h>
   3 #include "namespace.h"
   4
   5 #include <string.h>
   6 #include <sys/time.h>
   7
   8 #ifdef __weak_alias
   9 __weak_alias(clock_getres, __clock_getres50);
  10 #endif
  11
  12 int clock_getres(clockid_t clock_id, struct timespec *res)
  13 {
  14   message m;
  15
  16   memset(&m, 0, sizeof(m));
  17   m.m_lc_pm_time.clk_id = clock_id;
  18
  19   if (_syscall(PM_PROC_NR, PM_CLOCK_GETRES, &m) < 0)
  20         return -1;
  21
  22   res->tv_sec = m.m_pm_lc_time.sec;
  23   res->tv_nsec = m.m_pm_lc_time.nsec;
  24
  25   return 0;
  26 }
  27