src/time/clock_getres.c

   1 #include <time.h>
   2 #include "syscall.h"
   3
   4 int clock_getres(clockid_t clk, struct timespec *ts)
   5 {
   6 #ifdef SYS_clock_getres_time64
   7         /* On a 32-bit arch, use the old syscall if it exists. */
   8         if (SYS_clock_getres != SYS_clock_getres_time64) {
   9                 long ts32[2];
  10                 int r = __syscall(SYS_clock_getres, clk, ts32);
  11                 if (!r && ts) {
  12                         ts->tv_sec = ts32[0];
  13                         ts->tv_nsec = ts32[1];
  14                 }
  15                 return __syscall_ret(r);
  16         }
  17 #endif
  18         /* If reaching this point, it's a 64-bit arch or time64-only
  19          * 32-bit arch and we can get result directly into timespec. */
  20         return syscall(SYS_clock_getres, clk, ts);
  21 }