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28 
29 /// \file utils/process/fdstream.hpp
30 /// Provides the utils::process::ifdstream class.
31 
32 #if !defined(UTILS_PROCESS_FDSTREAM_HPP)
33 #define UTILS_PROCESS_FDSTREAM_HPP
34 
35 #include "utils/process/fdstream_fwd.hpp"
36 
37 #include <istream>
38 #include <memory>
39 
40 #include "utils/noncopyable.hpp"
41 
42 namespace utils {
43 namespace process {
44 
45 
46 /// An input stream backed by a file descriptor.
47 ///
48 /// This class grabs ownership of the file descriptor.  I.e. when the class is
49 /// destroyed, the file descriptor is closed unconditionally.
50 class ifdstream : public std::istream, noncopyable
51 {
52     struct impl;
53 
54     /// Pointer to the shared internal implementation.
55     std::auto_ptr< impl > _pimpl;
56 
57 public:
58     explicit ifdstream(const int);
59     ~ifdstream(void);
60 };
61 
62 
63 }  // namespace process
64 }  // namespace utils
65 
66 #endif  // !defined(UTILS_PROCESS_FDSTREAM_HPP)
67