Imported Upstream version 1.64.0upstream/1.64.0

Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/boost/process/posix.hpp b/boost/process/posix.hpp
new file mode 100644
index 0000000000..909837b8aa
--- /dev/null
+++ b/boost/process/posix.hpp
@@ -0,0 +1,75 @@
+// 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_POSIX_HPP_
+#define BOOST_PROCESS_POSIX_HPP_
+
+#include <boost/process/detail/posix/fd.hpp>
+#include <boost/process/detail/posix/handler.hpp>
+#include <boost/process/detail/posix/use_vfork.hpp>
+#include <boost/process/detail/posix/signal.hpp>
+
+
+/** \file boost/process/posix.hpp
+ *
+ *    Header which provides the posix extensions.
+\xmlonly
+<programlisting>
+namespace boost {
+  namespace process {
+    namespace posix {
+      <emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::fd">fd</globalname>;
+      <emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::sig">sig</globalname>;
+      <emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::use_vfork">use_vfork</globalname>;
+    }
+  }
+}
+</programlisting>
+ *  \endxmlonly
+ *   \warning Only available on posix. See the documentation of [fork](http://pubs.opengroup.org/onlinepubs/009695399/functions/fork.html),
+ *   [execve](http://pubs.opengroup.org/onlinepubs/009695399/functions/execve.html) and
+ *   [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
+ *
+ */
+
+namespace boost { namespace process {
+
+///Namespace containing the posix exensions.
+namespace posix {
+
+/** This property lets you modify file-descriptors other than the standard ones (0,1,2).
+ *
+ * It provides the functions `bind`, which implements [dup2](http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup.html)
+ * and [close](http://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html).
+ *
+ * Close can also be called with a range of file-descriptors to be closed.
+ *
+ */
+constexpr ::boost::process::detail::posix::fd_ fd;
+
+/** This property lets you modify the handling of `SIGCHLD` for this call. It will be reset afterwards.
+
+It can be set to default, by the expression `sig.dfl()`, set to ignore with `sig.ign()` or
+assigned a custom handler. A custom handler must have the type `sighandler_t`and can be assigned with the following syntax:
+
+\code{.cpp}
+sig = handler;
+sig(handler);
+\endcode
+
+\warning @ref spawn will automatically use `sig.ign()`, which will override if you pass a custom handler.
+ */
+constexpr ::boost::process::detail::posix::sig_       sig;
+/** This property will replace the usage of [fork](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fork.html) by [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
+ \note `vfork` is no longer an official part of the posix standard.
+
+ */
+constexpr ::boost::process::detail::posix::use_vfork_ use_vfork;
+
+
+using ::boost::process::detail::posix::sighandler_t;
+
+}}}
+
+#endif /* BOOST_PROCESS_POSIX_HPP_ */