Method insert

benchmarks/tbb/observer_proxy.cpp:124–133

}

void observer_list::insert ( observer_proxy* p ) {
    scoped_lock lock(mutex(), /*is_writer=*/true);
    if ( my_head ) {
        p->my_prev = my_tail;
        my_tail->my_next = p;
    }
    else
        my_head = p;
    my_tail = p;
}

void observer_list::remove ( observer_proxy* p ) {
    __TBB_ASSERT( my_head, "Attempt to remove an item from an empty list" );