xref: /freebsd/contrib/kyua/utils/process/fdstream.hpp (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1*b0d29bc4SBrooks Davis // Copyright 2010 The Kyua Authors.
2*b0d29bc4SBrooks Davis // All rights reserved.
3*b0d29bc4SBrooks Davis //
4*b0d29bc4SBrooks Davis // Redistribution and use in source and binary forms, with or without
5*b0d29bc4SBrooks Davis // modification, are permitted provided that the following conditions are
6*b0d29bc4SBrooks Davis // met:
7*b0d29bc4SBrooks Davis //
8*b0d29bc4SBrooks Davis // * Redistributions of source code must retain the above copyright
9*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer.
10*b0d29bc4SBrooks Davis // * Redistributions in binary form must reproduce the above copyright
11*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer in the
12*b0d29bc4SBrooks Davis //   documentation and/or other materials provided with the distribution.
13*b0d29bc4SBrooks Davis // * Neither the name of Google Inc. nor the names of its contributors
14*b0d29bc4SBrooks Davis //   may be used to endorse or promote products derived from this software
15*b0d29bc4SBrooks Davis //   without specific prior written permission.
16*b0d29bc4SBrooks Davis //
17*b0d29bc4SBrooks Davis // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*b0d29bc4SBrooks Davis // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*b0d29bc4SBrooks Davis // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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28*b0d29bc4SBrooks Davis 
29*b0d29bc4SBrooks Davis /// \file utils/process/fdstream.hpp
30*b0d29bc4SBrooks Davis /// Provides the utils::process::ifdstream class.
31*b0d29bc4SBrooks Davis 
32*b0d29bc4SBrooks Davis #if !defined(UTILS_PROCESS_FDSTREAM_HPP)
33*b0d29bc4SBrooks Davis #define UTILS_PROCESS_FDSTREAM_HPP
34*b0d29bc4SBrooks Davis 
35*b0d29bc4SBrooks Davis #include "utils/process/fdstream_fwd.hpp"
36*b0d29bc4SBrooks Davis 
37*b0d29bc4SBrooks Davis #include <istream>
38*b0d29bc4SBrooks Davis #include <memory>
39*b0d29bc4SBrooks Davis 
40*b0d29bc4SBrooks Davis #include "utils/noncopyable.hpp"
41*b0d29bc4SBrooks Davis 
42*b0d29bc4SBrooks Davis namespace utils {
43*b0d29bc4SBrooks Davis namespace process {
44*b0d29bc4SBrooks Davis 
45*b0d29bc4SBrooks Davis 
46*b0d29bc4SBrooks Davis /// An input stream backed by a file descriptor.
47*b0d29bc4SBrooks Davis ///
48*b0d29bc4SBrooks Davis /// This class grabs ownership of the file descriptor.  I.e. when the class is
49*b0d29bc4SBrooks Davis /// destroyed, the file descriptor is closed unconditionally.
50*b0d29bc4SBrooks Davis class ifdstream : public std::istream, noncopyable
51*b0d29bc4SBrooks Davis {
52*b0d29bc4SBrooks Davis     struct impl;
53*b0d29bc4SBrooks Davis 
54*b0d29bc4SBrooks Davis     /// Pointer to the shared internal implementation.
55*b0d29bc4SBrooks Davis     std::auto_ptr< impl > _pimpl;
56*b0d29bc4SBrooks Davis 
57*b0d29bc4SBrooks Davis public:
58*b0d29bc4SBrooks Davis     explicit ifdstream(const int);
59*b0d29bc4SBrooks Davis     ~ifdstream(void);
60*b0d29bc4SBrooks Davis };
61*b0d29bc4SBrooks Davis 
62*b0d29bc4SBrooks Davis 
63*b0d29bc4SBrooks Davis }  // namespace process
64*b0d29bc4SBrooks Davis }  // namespace utils
65*b0d29bc4SBrooks Davis 
66*b0d29bc4SBrooks Davis #endif  // !defined(UTILS_PROCESS_FDSTREAM_HPP)
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