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-rw-r--r--3rdparty/asio/src/examples/cpp03/spawn/parallel_grep.cpp89
1 files changed, 0 insertions, 89 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/spawn/parallel_grep.cpp b/3rdparty/asio/src/examples/cpp03/spawn/parallel_grep.cpp
deleted file mode 100644
index d742f196d78..00000000000
--- a/3rdparty/asio/src/examples/cpp03/spawn/parallel_grep.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-//
-// parallel_grep.cpp
-// ~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#include <asio/dispatch.hpp>
-#include <asio/post.hpp>
-#include <asio/spawn.hpp>
-#include <asio/strand.hpp>
-#include <asio/thread_pool.hpp>
-#include <boost/bind.hpp>
-#include <fstream>
-#include <iostream>
-#include <string>
-
-using asio::dispatch;
-using asio::spawn;
-using asio::strand;
-using asio::thread_pool;
-using asio::yield_context;
-
-void print_match(std::string input_file, std::string line)
-{
- std::cout << input_file << ':' << line << std::endl;
-}
-
-void search_file(std::string search_string, std::string input_file,
- strand<thread_pool::executor_type> output_strand, yield_context yield)
-{
- std::ifstream is(input_file.c_str());
- std::string line;
- std::size_t line_num = 0;
- while (std::getline(is, line))
- {
- // If we find a match, send a message to the output.
- if (line.find(search_string) != std::string::npos)
- {
- dispatch(output_strand, boost::bind(&print_match, input_file, line));
- }
-
- // Every so often we yield control to another coroutine.
- if (++line_num % 10 == 0)
- post(yield);
- }
-}
-
-int main(int argc, char* argv[])
-{
- try
- {
- if (argc < 2)
- {
- std::cerr << "Usage: parallel_grep <string> <files...>\n";
- return 1;
- }
-
- // We use a fixed size pool of threads for reading the input files. The
- // number of threads is automatically determined based on the number of
- // CPUs available in the system.
- thread_pool pool;
-
- // To prevent the output from being garbled, we use a strand to synchronise
- // printing.
- strand<thread_pool::executor_type> output_strand(pool.get_executor());
-
- // Spawn a new coroutine for each file specified on the command line.
- std::string search_string = argv[1];
- for (int argn = 2; argn < argc; ++argn)
- {
- std::string input_file = argv[argn];
- spawn(pool, boost::bind(&search_file,
- search_string, input_file, output_strand, _1));
- }
-
- // Join the thread pool to wait for all the spawned tasks to complete.
- pool.join();
- }
- catch (std::exception& e)
- {
- std::cerr << "Exception: " << e.what() << "\n";
- }
-
- return 0;
-}