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 8

static VALUE count_cpu_for_pid(VALUE obj, VALUE pid) {
	cpu_set_t set;
	CPU_ZERO(&set);
	pid_t pid_int = (pid_t)NUM2LONG(pid);

    if (sched_getaffinity(pid_int, sizeof(set), &set) == -1)
        return Qnil;

	return INT2FIX(CPU_COUNT(&set));
}