/usr/include/dashel/dashel-posix.h is in libdashel-dev 1.3.3-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Dashel
A cross-platform DAta Stream Helper Encapsulation Library
Copyright (C) 2007 -- 2017:
Stephane Magnenat <stephane at magnenat dot net>
(http://stephane.magnenat.net)
Mobots group - Laboratory of Robotics Systems, EPFL, Lausanne
(http://mobots.epfl.ch)
Sebastian Gerlach
Kenzan Technologies
(http://www.kenzantech.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the names of "Mobots", "Laboratory of Robotics Systems", "EPFL",
"Kenzan Technologies" nor the names of the contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef INCLUDED_DASHEL_POSIX_H
#define INCLUDED_DASHEL_POSIX_H
#include "dashel.h"
namespace Dashel
{
//! Stream with a file descriptor that is selectable
class SelectableStream: virtual public Stream
{
protected:
int fd; //!< associated file descriptor
bool writeOnly; //!< true if we can only write on this stream
short pollEvent; //!< the poll event we must react to
friend class Hub;
public:
//! Create the stream and associates a file descriptor
explicit SelectableStream(const std::string& protocolName);
virtual ~SelectableStream();
//! If necessary, read a byte and check for disconnection; return true on disconnection, fales otherwise
virtual bool receiveDataAndCheckDisconnection() = 0;
//! Return true while there is some unread data in the reception buffer
virtual bool isDataInRecvBuffer() const = 0;
};
}
#endif
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