1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/process/test/on_exit.cpp b/src/boost/libs/process/test/on_exit.cpp
new file mode 100644
index 000000000..e46e2ea84
--- /dev/null
+++ b/src/boost/libs/process/test/on_exit.cpp
@@ -0,0 +1,52 @@
+// Copyright (c) 2006, 2007 Julio M. Merino Vidal
+// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
+// Copyright (c) 2009 Boris Schaeling
+// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
+// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
+//
+// 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)
+
+#define BOOST_TEST_MAIN
+#define BOOST_TEST_IGNORE_SIGCHLD
+#include <boost/test/included/unit_test.hpp>
+#include <boost/process.hpp>
+#include <boost/asio.hpp>
+#include <chrono>
+#include <thread>
+
+BOOST_AUTO_TEST_CASE(single_ios, *boost::unit_test::timeout(6))
+{
+    using boost::unit_test::framework::master_test_suite;
+
+    if (master_test_suite().argc > 2 && strcmp(master_test_suite().argv[1], "sleep") == 0)
+    {
+        auto s = atoi(master_test_suite().argv[2]);
+        std::this_thread::sleep_for(std::chrono::seconds(s));
+        return;
+    }
+
+    namespace bp = boost::process;
+    boost::asio::io_context ios;
+    std::chrono::steady_clock::time_point p1, p2;
+
+    // launch a child that will sleep for 2s
+    auto c1 = bp::child(master_test_suite().argv[0], "sleep", "2", ios,
+        bp::on_exit([&p1](int, const std::error_code&)
+    { p1 = std::chrono::steady_clock::now(); }));
+
+    // wait a bit, make sure the child launch for my test
+    std::this_thread::sleep_for(std::chrono::milliseconds(10));
+
+    // launch a child that will sleep for 4s
+    auto c2 = bp::child(master_test_suite().argv[0], "sleep", "4", ios,
+        bp::on_exit([&p2](int, const std::error_code&)
+    { p2 = std::chrono::steady_clock::now(); }));
+
+    // wait for the notifications
+    while (!ios.stopped())
+        ios.run_one();
+
+    BOOST_REQUIRE((p2 - p1) > std::chrono::seconds(1));
+}
+