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-rw-r--r--3rdparty/asio/src/examples/cpp14/parallel_group/wait_for_one_error.cpp58
1 files changed, 58 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp14/parallel_group/wait_for_one_error.cpp b/3rdparty/asio/src/examples/cpp14/parallel_group/wait_for_one_error.cpp
new file mode 100644
index 00000000000..584c5c3fc00
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp14/parallel_group/wait_for_one_error.cpp
@@ -0,0 +1,58 @@
+//
+// wait_for_one_error.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor in(ctx, ::dup(STDIN_FILENO));
+ asio::steady_timer timer(ctx, std::chrono::seconds(5));
+
+ char data[1024];
+
+ asio::experimental::make_parallel_group(
+ [&](auto token)
+ {
+ return in.async_read_some(asio::buffer(data), token);
+ },
+ [&](auto token)
+ {
+ return timer.async_wait(token);
+ }
+ ).async_wait(
+ asio::experimental::wait_for_one_error(),
+ [](
+ std::array<std::size_t, 2> completion_order,
+ std::error_code ec1, std::size_t n1,
+ std::error_code ec2
+ )
+ {
+ switch (completion_order[0])
+ {
+ case 0:
+ {
+ std::cout << "descriptor finished: " << ec1 << ", " << n1 << "\n";
+ }
+ break;
+ case 1:
+ {
+ std::cout << "timer finished: " << ec2 << "\n";
+ }
+ break;
+ }
+ }
+ );
+
+ ctx.run();
+}