pipe.h
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1 /*
2  * Copyright (C) 2009 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef CXXTOOLS_POSIX_PIPE_H
30 #define CXXTOOLS_POSIX_PIPE_H
31 
32 #include <cxxtools/pipe.h>
33 
34 namespace cxxtools
35 {
36 namespace posix
37 {
38 
39 class Pipe : public cxxtools::Pipe
40 {
41  public:
47  explicit Pipe(OpenMode mode = Sync)
48  : cxxtools::Pipe(mode)
49  { }
50 
55  int getReadFd() const;
56 
57  int getWriteFd() const;
58 
59  void closeReadFd()
60  { out().close(); }
61 
62  void closeWriteFd()
63  { in().close(); }
64 
67  void redirectStdout(bool close = true, bool inherit = true);
68 
71  void redirectStdin(bool close = true, bool inherit = true);
72 
75  void redirectStderr(bool close = true, bool inherit = true);
76 
77  size_t write(const char* buf, size_t count)
78  {
79  return in().write(buf, count);
80  }
81 
82  void write(char ch)
83  {
84  in().write(&ch, 1);
85  }
86 
87  size_t read(char* buf, size_t count)
88  {
89  return out().read(buf, count);
90  }
91 
92  char read()
93  {
94  char ch;
95  out().read(&ch, 1);
96  return ch;
97  }
98 
99 };
100 
101 }
102 }
103 
104 #endif // CXXTOOLS_POSIX_PIPE_H