Method destroy

benchmarks/tbb/task.cpp:217–234

}

void interface5::internal::task_base::destroy( task& victim ) {
    // 1 may be a guard reference for wait_for_all, which was not reset because
    // of concurrent_wait mode or because prepared root task was not actually used
    // for spawning tasks (as in structured_task_group).
    __TBB_ASSERT( (intptr_t)victim.prefix().ref_count <= 1, "Task being destroyed must not have children" );
    __TBB_ASSERT( victim.state()==task::allocated, "illegal state for victim task" );
    task* parent = victim.parent();
    victim.~task();
    if( parent ) {
        __TBB_ASSERT( parent->state()!=task::freed && parent->state()!=task::ready,
                      "attempt to destroy child of running or corrupted parent?" );
        // 'reexecute' and 'executing' are also signs of a race condition, since most tasks
        // set their ref_count upon entry but "es_ref_count_active" should detect this
        parent->internal_decrement_ref_count();
        // Even if the last reference to *parent is removed, it should not be spawned (documented behavior).
    }
    governor::local_scheduler()->free_task<no_cache>( victim );
}

void task::spawn_and_wait_for_all( task_list& list ) {
    generic_scheduler* s = governor::local_scheduler();