/usr/include/ola/network/SocketCloser.h is in libola-dev 0.10.5.nojsmin-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* SocketCloser.h
* Close a socket when the object goes out of scope.
* Copyright (C) 2013 Simon Newton
*/
/**
* @addtogroup network
* @{
* @file SocketCloser.h
* @brief Automatically close a socket when it goes out of scope.
* @}
*/
#ifndef INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
#define INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
#include <unistd.h>
#include <ola/base/Macro.h>
namespace ola {
namespace network {
/**
* @addtogroup network
* @{
*/
/**
* @brief Automatically close a socket when it goes out of scope.
*
* This class is useful if you need to temporarily open a socket and want to
* make sure it's cleaned up. Think of it as an auto_ptr for file descriptors.
*/
class SocketCloser {
public:
/**
* @brief Create a new SocketCloser.
* @param fd the file descriptor to close.
*/
explicit SocketCloser(int fd)
: m_fd(fd) {
}
/**
* @brief Destructor.
*/
~SocketCloser();
/**
* @brief Release the file descriptor.
*
* Calling Release prevents the file descriptor from being closed when this
* object goes out of scope.
* @returns the original file descriptor or -1 if the descriptor was already
* released.
*/
int Release() {
int fd = m_fd;
m_fd = -1;
return fd;
}
private:
int m_fd;
DISALLOW_COPY_AND_ASSIGN(SocketCloser);
};
/**
* @}
*/
} // namespace network
} // namespace ola
#endif // INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
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