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/*
Copyright (c) 2025 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <tuple>
// dummy bodies
struct f1_body {
int operator()(int input) { return input; };
};
struct f2_body : f1_body {};
struct f3_body : f1_body {};
struct f4_body {
int operator()(const std::tuple<int, int>& input) {
return 0;
}
};
/*begin_try_put_and_wait_example*/
#define TBB_PREVIEW_FLOW_GRAPH_TRY_PUT_AND_WAIT 1
#include <oneapi/tbb/flow_graph.h>
#include <oneapi/tbb/parallel_for.h>
#include <tuple>
struct f1_body;
struct f2_body;
struct f3_body;
struct f4_body;
int main() {
using namespace oneapi::tbb;
flow::graph g;
flow::broadcast_node<int> start_node(g);
flow::function_node<int, int> f1(g, flow::unlimited, f1_body{});
flow::function_node<int, int> f2(g, flow::unlimited, f2_body{});
flow::function_node<int, int> f3(g, flow::unlimited, f3_body{});
flow::join_node<std::tuple<int, int>> join(g);
flow::function_node<std::tuple<int, int>, int> f4(g, flow::serial, f4_body{});
flow::make_edge(start_node, f1);
flow::make_edge(f1, f2);
flow::make_edge(start_node, f3);
flow::make_edge(f2, flow::input_port<0>(join));
flow::make_edge(f3, flow::input_port<1>(join));
flow::make_edge(join, f4);
// Submit work into the graph
parallel_for(0, 100, [&](int input) {
start_node.try_put_and_wait(input);
// Post processing the result of input
});
}
/*end_try_put_and_wait_example*/
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