Method remove

benchmarks/tbb/observer_proxy.cpp:135–155

}

void observer_list::remove ( observer_proxy* p ) {
    __TBB_ASSERT( my_head, "Attempt to remove an item from an empty list" );
    __TBB_ASSERT( !my_tail->my_next, "Last item's my_next must be NULL" );
    if( p == my_tail ) {
        __TBB_ASSERT( !p->my_next, NULL );
        my_tail = p->my_prev;
    }
    else {
        __TBB_ASSERT( p->my_next, NULL );
        p->my_next->my_prev = p->my_prev;
    }
    if ( p == my_head ) {
        __TBB_ASSERT( !p->my_prev, NULL );
        my_head = p->my_next;
    }
    else {
        __TBB_ASSERT( p->my_prev, NULL );
        p->my_prev->my_next = p->my_next;
    }
    __TBB_ASSERT( (my_head && my_tail) || (!my_head && !my_tail), NULL );
}

void observer_list::remove_ref( observer_proxy* p ) {
    int r = p->my_ref_count;