#include #include "syscall.h" int clock_getres(clockid_t clk, struct timespec *ts) { #ifdef SYS_clock_getres_time64 /* On a 32-bit arch, use the old syscall if it exists. */ if (SYS_clock_getres != SYS_clock_getres_time64) { long ts32[2]; int r = __syscall(SYS_clock_getres, clk, ts32); if (!r && ts) { ts->tv_sec = ts32[0]; ts->tv_nsec = ts32[1]; } return __syscall_ret(r); } #endif /* If reaching this point, it's a 64-bit arch or time64-only * 32-bit arch and we can get result directly into timespec. */ return syscall(SYS_clock_getres, clk, ts); }