src/time/clock_getcpuclockid.c

   1 #include <time.h>
   2 #include <errno.h>
   3 #include <unistd.h>
   4 #include "syscall.h"
   5
   6 int clock_getcpuclockid(pid_t pid, clockid_t *clk)
   7 {
   8         struct timespec ts;
   9         clockid_t id = (-pid-1)*8U + 2;
  10         int ret = __syscall(SYS_clock_getres, id, &ts);
  11         if (ret == -EINVAL) ret = -ESRCH;
  12         if (ret) return -ret;
  13         *clk = id;
  14         return 0;
  15 }