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https://github.com/veracrypt/VeraCrypt.git
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70 lines
1.3 KiB
C++
70 lines
1.3 KiB
C++
/*
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Derived from source code of TrueCrypt 7.1a, which is
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Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
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by the TrueCrypt License 3.0.
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Modifications and additions to the original source code (contained in this file)
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and all other portions of this file are Copyright (c) 2013-2017 IDRIX
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and are governed by the Apache License 2.0 the full text of which is
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contained in the file License.txt included in VeraCrypt binary and source
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code distribution packages.
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*/
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#include <unistd.h>
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#include "Pipe.h"
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#include "Platform/SystemException.h"
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namespace VeraCrypt
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{
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Pipe::Pipe ()
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{
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int fd[2];
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throw_sys_if (pipe (fd) == -1);
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ReadFileDescriptor = fd[0];
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WriteFileDescriptor = fd[1];
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}
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Pipe::~Pipe ()
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{
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try
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{
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Close();
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}
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catch (...) { }
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}
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void Pipe::Close ()
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{
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if (ReadFileDescriptor != -1)
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close (ReadFileDescriptor);
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if (WriteFileDescriptor != -1)
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close (WriteFileDescriptor);
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}
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int Pipe::GetReadFD ()
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{
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assert (ReadFileDescriptor != -1);
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if (WriteFileDescriptor != -1)
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{
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close (WriteFileDescriptor);
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WriteFileDescriptor = -1;
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}
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return ReadFileDescriptor;
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}
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int Pipe::GetWriteFD ()
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{
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assert (WriteFileDescriptor != -1);
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if (ReadFileDescriptor != -1)
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{
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close (ReadFileDescriptor);
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ReadFileDescriptor = -1;
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}
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return WriteFileDescriptor;
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}
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}
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