list

/*
 *  call-seq:
 *     thgrp.list   => array
 *  
 *  Returns an array of all existing <code>Thread</code> objects that belong to
 *  this group.
 *     
 *     ThreadGroup::Default.list   #=> [#<Thread:0x401bdf4c run>]
 */

static VALUE
thgroup_list(group)
    VALUE group;
{
    struct thgroup *data;
    rb_thread_t th;
    VALUE ary;

    Data_Get_Struct(group, struct thgroup, data);
    ary = rb_ary_new();

    FOREACH_THREAD(th) {
        if (th->thgroup == data->group) {
            rb_ary_push(ary, th->thread);
        }
    }
    END_FOREACH(th);

    return ary;
}