Module: LinuxStat::Nproc

Defined in:
ext/nproc/nproc.c

Class Method Summary collapse

Class Method Details

.count_cpu_for_pid(pid) ⇒ Object 



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# File 'ext/nproc/nproc.c', line 18

static VALUE count_cpu_for_pid(VALUE obj, VALUE pid) {
  cpu_set_t set ;
  CPU_ZERO(&set) ;
  char status = sched_getaffinity(FIX2INT(pid), sizeof(set), &set) ;

  if (status < 0) return Qnil ;
  return INT2FIX(CPU_COUNT(&set)) ;
}