minix/lib/libc/sys/clock_gettime.c


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#include <sys/cdefs.h>
#include <lib.h>
#include "namespace.h"

#include <string.h>
#include <sys/time.h>

#ifdef __weak_alias
__weak_alias(clock_gettime, __clock_gettime50);
#endif

int clock_gettime(clockid_t clock_id, struct timespec *res)
{
  message m;

  memset(&m, 0, sizeof(m));
  m.m_lc_pm_time.clk_id = clock_id;

  if (_syscall(PM_PROC_NR, PM_CLOCK_GETTIME, &m) < 0)
  	return -1;

  res->tv_sec = m.m_pm_lc_time.sec;
  res->tv_nsec = m.m_pm_lc_time.nsec;

  return 0;
}