clock_getres.c raw

   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  }
  22