178     static bool erase_if_present(control_storage* const c, d1::global_control& gc) {  in erase_if_present()
179         auto it = c->my_list.find(&gc);  in erase_if_present()
180         if (it != c->my_list.end()) {  in erase_if_present()
181             c->my_list.erase(it);  in erase_if_present()
191         control_storage* const c = controls[gc.my_param];  in create()  local
193         spin_mutex::scoped_lock lock(c->my_list_mutex);  in create()
194         if (c->my_list.empty() || c->is_first_arg_preferred(gc.my_value, c->my_active_value)) {  in create()
197             c->apply_active(gc.my_value);  in create()
199         c->my_list.insert(&gc);  in create()
204         control_storage* const c = controls[gc.my_param];  in destroy()  local
206         spin_mutex::scoped_lock lock(c->my_list_mutex);  in destroy()
207 … __TBB_ASSERT(gc.my_param == d1::global_control::scheduler_handle || !c->my_list.empty(), nullptr);  in destroy()
208         std::size_t new_active = (std::size_t)(-1), old_active = c->my_active_value;  in destroy()
210         if (!erase_if_present(c, gc)) {  in destroy()
214         if (c->my_list.empty()) {  in destroy()
216             new_active = c->default_value();  in destroy()
218             new_active = (*c->my_list.begin())->my_value;  in destroy()
221             c->apply_active(new_active);  in destroy()
227         control_storage* const c = controls[gc.my_param];  in remove_and_check_if_empty()  local
229         spin_mutex::scoped_lock lock(c->my_list_mutex);  in remove_and_check_if_empty()
230         __TBB_ASSERT(!c->my_list.empty(), nullptr);  in remove_and_check_if_empty()
231         erase_if_present(c, gc);  in remove_and_check_if_empty()
232         return c->my_list.empty();  in remove_and_check_if_empty()
237         control_storage* const c = controls[gc.my_param];  in is_present()  local
239         spin_mutex::scoped_lock lock(c->my_list_mutex);  in is_present()
240         auto it = c->my_list.find(&gc);  in is_present()
241         if (it != c->my_list.end()) {  in is_present()