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

diff --git a/ceph/src/boost/boost/process/detail/posix/pipe_out.hpp b/ceph/src/boost/boost/process/detail/posix/pipe_out.hpp
index 9f7da9464b89c66aaab4aa3aef49267530e2fc6f..d54cca4efa713cb1478f0e6551b2b55f61ab0dba 100644 (file)
--- a/ceph/src/boost/boost/process/detail/posix/pipe_out.hpp
+++ b/ceph/src/boost/boost/process/detail/posix/pipe_out.hpp
@@ -52,8 +52,10 @@ template<typename Executor>
 void pipe_out<1,-1>::on_exec_setup(Executor &e) const
 {
     if (::dup2(sink, STDOUT_FILENO) == -1)
-         e.set_error(::boost::process::detail::get_last_error(), "dup3() failed");
-    ::close(sink);
+         e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+
+    if (sink != STDOUT_FILENO)
+        ::close(sink);
     ::close(source);
 }
 
@@ -63,7 +65,9 @@ void pipe_out<2,-1>::on_exec_setup(Executor &e) const
 {
     if (::dup2(sink, STDERR_FILENO) == -1)
          e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
-    ::close(sink);
+
+    if (sink != STDOUT_FILENO)
+        ::close(sink);
     ::close(source);
 }
 
@@ -75,8 +79,8 @@ void pipe_out<1,2>::on_exec_setup(Executor &e) const
          e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
     if (::dup2(sink, STDERR_FILENO) == -1)
          e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
-    ::close(sink);
-    ::close(source);
+    if ((sink != STDOUT_FILENO) && (sink != STDERR_FILENO))
+        ::close(sink);
 }
 
 class async_pipe;