整理

include/boost/process/v2/default_launcher.hpp

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+//
+// boost/process/v2/default_launcher.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2022 Klemens D. Morgenstern (klemens dot morgenstern at gmx dot net)
+//
+// 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_V2_DEFAULT_LAUNCHER_HPP
+#define BOOST_PROCESS_V2_DEFAULT_LAUNCHER_HPP
+
+#include <boost/process/v2/detail/config.hpp>
+
+#if defined(BOOST_PROCESS_V2_WINDOWS)
+#include <boost/process/v2/windows/default_launcher.hpp>
+#else
+#if defined(BOOST_PROCESS_V2_PDFORK)
+#include <boost/process/v2/posix/pdfork_launcher.hpp>
+#elif defined(BOOST_PROCESS_V2_PIPEFORK)
+#include <boost/process/v2/posix/pipe_fork_launcher.hpp>
+#else
+#include <boost/process/v2/posix/default_launcher.hpp>
+#endif
+
+#endif
+
+BOOST_PROCESS_V2_BEGIN_NAMESPACE
+
+#if defined(GENERATING_DOCUMENTATION)
+
+/// The default launcher for processes.
+/** This launcher will be used by process if a 
+ * process is launched through the constructor:
+ * 
+ * @code {.cpp}
+ * process proc("test", {});
+ * // equivalent to
+ * process prod = default_launcher()("test", {});
+ * @endcode
+ * 
+ */
+
+typedef implementation_defined default_process_launcher;
+
+#else
+#if defined(BOOST_PROCESS_V2_WINDOWS)
+typedef windows::default_launcher default_process_launcher;
+#else
+#if defined(BOOST_PROCESS_V2_PDFORK)
+typedef posix::pdfork_launcher default_process_launcher;
+#elif defined(BOOST_PROCESS_V2_PIPEFORK)
+typedef posix::pipe_fork_launcher default_process_launcher;
+#else
+typedef posix::default_launcher default_process_launcher;
+#endif
+#endif
+
+
+#endif
+
+
+BOOST_PROCESS_V2_END_NAMESPACE
+
+
+#endif //BOOST_PROCESS_V2_DEFAULT_LAUNCHER_HPP