Method local_spawn_root_and_wait

benchmarks/tbb/scheduler.cpp:641–660

}

void generic_scheduler::local_spawn_root_and_wait( task& first, task*& next ) {
    __TBB_ASSERT( governor::is_set(this), NULL );
    __TBB_ASSERT( &first, NULL );
    auto_empty_task dummy( __TBB_CONTEXT_ARG(this, first.prefix().context) );
    internal::reference_count n = 0;
    for( task* t=&first; ; t=t->prefix().next ) {
        ++n;
        __TBB_ASSERT( !t->prefix().parent, "not a root task, or already running" );
        t->prefix().parent = &dummy;
        if( &t->prefix().next==&next ) break;
#if __TBB_TASK_GROUP_CONTEXT
        __TBB_ASSERT( t->prefix().context == t->prefix().next->prefix().context,
                    "all the root tasks in list must share the same context");
#endif /* __TBB_TASK_GROUP_CONTEXT */
    }
    dummy.prefix().ref_count = n+1;
    if( n>1 )
        local_spawn( *first.prefix().next, next );
    local_wait_for_all( dummy, &first );
}

void tbb::internal::generic_scheduler::spawn( task& first, task*& next ) {
    governor::local_scheduler()->local_spawn( first, next );