Imported Upstream version 1.64.0upstream/1.64.0

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

1 files changed, 42 insertions, 0 deletions

diff --git a/boost/process/detail/posix/compare_handles.hpp b/boost/process/detail/posix/compare_handles.hpp
new file mode 100644
index 0000000000..634757215f
--- /dev/null
+++ b/boost/process/detail/posix/compare_handles.hpp
@@ -0,0 +1,42 @@
+// 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_COMPARE_HANDLES_HPP_
+#define BOOST_PROCESS_DETAIL_POSIX_COMPARE_HANDLES_HPP_
+
+
+#include <boost/process/detail/config.hpp>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+namespace boost { namespace process { namespace detail { namespace posix {
+
+
+inline bool compare_handles(int lhs, int rhs)
+{
+
+    if ((lhs == -1) || (rhs == -1))
+        return false;
+
+    if (lhs == rhs)
+        return true;
+
+    struct stat stat1, stat2;
+    if(fstat(lhs, &stat1) < 0) ::boost::process::detail::throw_last_error("fstat() failed");
+    if(fstat(rhs, &stat2) < 0) ::boost::process::detail::throw_last_error("fstat() failed");
+    
+    return (stat1.st_dev == stat2.st_dev) && (stat1.st_ino == stat2.st_ino);   
+}
+
+
+
+
+
+}}}}
+
+
+
+#endif /* BOOST_PROCESS_DETAIL_POSIX_COMPARE_HANDLES_HPP_ */