1 files changed, 64 insertions, 0 deletions
diff --git a/boost/process/detail/windows/is_running.hpp b/boost/process/detail/windows/is_running.hpp
new file mode 100644
index 0000000000..66cc6837ae
--- /dev/null
+++ b/boost/process/detail/windows/is_running.hpp
@@ -0,0 +1,64 @@
+// Copyright (c) 2106 Klemens D. Morgenstern
+//
+// 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)
+
+#ifndef BOOST_PROCESS_WINDOWS_IS_RUNNING_HPP
+#define BOOST_PROCESS_WINDOWS_IS_RUNNING_HPP
+
+#include <boost/process/detail/config.hpp>
+#include <system_error>
+#include <cstdlib>
+#include <boost/detail/winapi/process.hpp>
+
+namespace boost { namespace process { namespace detail { namespace windows {
+
+constexpr static ::boost::detail::winapi::DWORD_ still_active = 259;
+
+
+struct child_handle;
+
+inline bool is_running(const child_handle &p, int & exit_code)
+{
+    ::boost::detail::winapi::DWORD_ code;
+    //single value, not needed in the winapi.
+    if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &code))
+        ::boost::process::detail::throw_last_error("GetExitCodeProcess() failed");
+
+    if (code == still_active)
+        return true;
+    else
+    {
+        exit_code = code;
+        return false;
+    }    
+}
+
+inline bool is_running(const child_handle &p, int & exit_code, std::error_code &ec) noexcept
+{
+    ::boost::detail::winapi::DWORD_ code;
+    //single value, not needed in the winapi.
+    if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &code))
+        ec = ::boost::process::detail::get_last_error();
+    else
+        ec.clear();
+
+    if (code == still_active)
+        return true;
+    else
+    {
+        exit_code = code;
+        return false;
+    }    
+}
+
+inline bool is_running(int code)
+{
+    return code == still_active;
+}
+
+inline int eval_exit_status(int in ) {return in;}
+
+}}}}
+
+#endif