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instance method

Thread#stop?

thr.stop? → true or false

static VALUE
rb_thread_stop_p(VALUE thread)
{
    rb_thread_t *th = rb_thread_ptr(thread);

    if (rb_threadptr_dead(th)) {
        return Qtrue;
    }
    return RBOOL(th->status == THREAD_STOPPED || th->status == THREAD_STOPPED_FOREVER);
}

Returns true if thr is dead or sleeping.

Example

a = Thread.new { Thread.stop }
b = Thread.current
a.stop?   #=> true
b.stop?   #=> false