broadcast_node#
[flow_graph.broadcast_node]
A node that broadcasts incoming messages to all of its successors.
// Defined in header <oneapi/tbb/flow_graph.h>
namespace oneapi {
namespace tbb {
namespace flow {
template< typename T >
class broadcast_node :
public graph_node, public receiver<T>, public sender<T> {
public:
explicit broadcast_node( graph &g );
broadcast_node( const broadcast_node &src );
bool try_put( const T &v );
bool try_get( T &v );
};
} // namespace flow
} // namespace tbb
} //namespace oneapi
broadcast_node
is a graph_node
, receiver<T>
, and sender<T>
.
broadcast_node
has a discarding and broadcast-push properties.
All messages are forwarded immediately to all successors.
Member functions#
-
explicit broadcast_node(graph &g)#
Constructs an object of type
broadcast_node
that belongs to the graphg
.
-
broadcast_node(const broadcast_node &src)#
Constructs an object of type
broadcast_node
that belongs to the same graphg
assrc
. The list of predecessors and the list of successors are not copied.
-
bool try_put(const input_type &v)#
Broadcasts
v
to all successors.Returns: always returns
true
, even if it was unable to successfully forward the message to any of its successors.
-
bool try_get(output_type &v)#
Returns:
false
.