整理

include/boost/process/v1/detail/posix/group_ref.hpp

@@ -0,0 +1,52 @@
+// Copyright (c) 2016 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_DETAIL_POSIX_GROUP_REF_HPP_
+#define BOOST_PROCESS_DETAIL_POSIX_GROUP_REF_HPP_
+
+#include <boost/process/v1/detail/config.hpp>
+#include <boost/process/v1/detail/posix/group_handle.hpp>
+#include <boost/process/v1/detail/posix/handler.hpp>
+#include <unistd.h>
+
+
+namespace boost { namespace process { BOOST_PROCESS_V1_INLINE namespace v1 {
+
+namespace detail { namespace posix {
+
+
+
+struct group_ref : handler_base_ext
+{
+    group_handle & grp;
+
+
+    explicit group_ref(group_handle & g) :
+                grp(g)
+    {}
+
+    template <class Executor>
+    void on_exec_setup(Executor&) const
+    {
+        if (grp.grp == -1)
+            ::setpgid(0, 0);
+        else
+            ::setpgid(0, grp.grp);
+    }
+
+    template <class Executor>
+    void on_success(Executor& exec) const
+    {
+        if (grp.grp == -1)
+            grp.grp = exec.pid;
+
+    }
+
+};
+
+}}}}}
+
+
+#endif /* BOOST_PROCESS_DETAIL_POSIX_GROUP_REF_HPP_ */