fusl/src/time/timer_gettime.c

#include <time.h>
#include <limits.h>
#include "pthread_impl.h"

int timer_gettime(timer_t t, struct itimerspec* val) {
  if ((intptr_t)t < 0) {
    pthread_t td = (void*)((uintptr_t)t << 1);
    t = (void*)(uintptr_t)(td->timer_id & INT_MAX);
  }
  return syscall(SYS_timer_gettime, t, val);
}