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Diffstat (limited to 'boost/process/detail/posix/file_out.hpp')
-rw-r--r-- | boost/process/detail/posix/file_out.hpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/boost/process/detail/posix/file_out.hpp b/boost/process/detail/posix/file_out.hpp new file mode 100644 index 0000000000..6fef732598 --- /dev/null +++ b/boost/process/detail/posix/file_out.hpp @@ -0,0 +1,65 @@ +// Copyright (c) 2006, 2007 Julio M. Merino Vidal
+// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
+// Copyright (c) 2009 Boris Schaeling
+// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
+// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
+// 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_FILE_OUT_HPP
+#define BOOST_PROCESS_POSIX_FILE_OUT_HPP
+ +#include <boost/process/detail/posix/handler.hpp>
+#include <boost/process/detail/posix/file_descriptor.hpp>
+ +#include <unistd.h>
+namespace boost { namespace process { namespace detail { namespace posix {
+ +template<int p1, int p2>
+struct file_out : handler_base_ext
+{
+ file_descriptor file;
+ int handle = file.handle();
+ + template<typename T>
+ file_out(T&& t) : file(std::forward<T>(t), file_descriptor::write), handle(file.handle()) {}
+ file_out(FILE * f) : handle(fileno(f)) {}
+ + + template <typename Executor>
+ void on_exec_setup(Executor &e) const;
+};
+ +template<>
+template<typename Executor>
+void file_out<1,-1>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(handle, STDOUT_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+}
+ +template<>
+template<typename Executor>
+void file_out<2,-1>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(handle, STDERR_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+}
+ +template<>
+template<typename Executor>
+void file_out<1,2>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(handle, STDOUT_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+ + if (::dup2(handle, STDERR_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+ +}
+ +}}}}
+ +#endif
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