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SocketCloser.h
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1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2.1 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU Lesser General Public
13  * License along with this library; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15  *
16  * SocketCloser.h
17  * Close a socket when the object goes out of scope.
18  * Copyright (C) 2013 Simon Newton
19  */
20 
29 #ifndef INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
30 #define INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
31 
32 #include <unistd.h>
33 #include <ola/base/Macro.h>
34 
35 namespace ola {
36 namespace network {
37 
49 class SocketCloser {
50  public:
55  explicit SocketCloser(int fd)
56  : m_fd(fd) {
57  }
58 
62  ~SocketCloser();
63 
72  int Release() {
73  int fd = m_fd;
74  m_fd = -1;
75  return fd;
76  }
77 
78  private:
79  int m_fd;
80 
81  DISALLOW_COPY_AND_ASSIGN(SocketCloser);
82 };
86 } // namespace network
87 } // namespace ola
88 #endif // INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_