1 // Copyright 2010 Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // * Neither the name of Google Inc. nor the names of its contributors 14 // may be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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 <istream> 36 #include <memory> 37 38 #include "utils/noncopyable.hpp" 39 40 namespace utils { 41 namespace process { 42 43 44 /// An input stream backed by a file descriptor. 45 /// 46 /// This class grabs ownership of the file descriptor. I.e. when the class is 47 /// destroyed, the file descriptor is closed unconditionally. 48 class ifdstream : public std::istream, noncopyable 49 { 50 struct impl; 51 52 /// Pointer to the shared internal implementation. 53 std::auto_ptr< impl > _pimpl; 54 55 public: 56 explicit ifdstream(const int); 57 ~ifdstream(void); 58 }; 59 60 61 } // namespace process 62 } // namespace utils 63 64 #endif // !defined(UTILS_PROCESS_FDSTREAM_HPP) 65