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[ceph.git] / ceph / src / boost / boost / process / detail / posix / pipe_in.hpp

diff --git a/ceph/src/boost/boost/process/detail/posix/pipe_in.hpp b/ceph/src/boost/boost/process/detail/posix/pipe_in.hpp
index 18ca856573d324caad1e0f1c0157f8a269ea7bbb..da8b3838be6bdda62fe92b62d0f75faf616f34cc 100644 (file)
--- a/ceph/src/boost/boost/process/detail/posix/pipe_in.hpp
+++ b/ceph/src/boost/boost/process/detail/posix/pipe_in.hpp
@@ -13,17 +13,23 @@
 #include <boost/process/pipe.hpp>
 #include <boost/process/detail/posix/handler.hpp>
 #include <unistd.h>
-
+#include <boost/process/detail/used_handles.hpp>
+#include <array>
 
 namespace boost { namespace process { namespace detail { namespace posix {
 
-struct pipe_in : handler_base_ext
+struct pipe_in : handler_base_ext, ::boost::process::detail::uses_handles
 {
     int source;
     int sink; //opposite end
 
     pipe_in(int sink, int source) : source(source), sink(sink) {}
 
+    std::array<int, 3> get_used_handles()
+    {
+        return {STDIN_FILENO, source, sink};
+    }
+
 
     template<typename T>
     pipe_in(T & p) : source(p.native_source()), sink(p.native_sink())
@@ -48,7 +54,9 @@ struct pipe_in : handler_base_ext
     {
         if (::dup2(source, STDIN_FILENO) == -1)
              e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
-        ::close(source);
+        if (source != STDIN_FILENO)
+            ::close(source);
+
         ::close(sink);
     }