78 lines
2.4 KiB
C#
78 lines
2.4 KiB
C#
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/*
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Copyright (c) 2013 Ant Micro <www.antmicro.com>
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Authors:
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* Mateusz Holenko (mholenko@antmicro.com)
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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using System;
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using System.Runtime.InteropServices;
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using Mono.Unix;
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using Mono.Unix.Native;
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using System.IO;
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namespace AntShellDemo
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{
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public class Pty
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{
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private IntPtr original;
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private int master;
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public Pty(string name)
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{
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master = Syscall.open(name, OpenFlags.O_RDWR);
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stream = new UnixStream(master, true);
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IntPtr termios = Marshal.AllocHGlobal(128); // termios struct is 60-bytes, but we allocate more just to make sure
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original = Marshal.AllocHGlobal(128);
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Tcgetattr(0, termios);
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Tcgetattr(0, original);
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Cfmakeraw(termios);
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Tcsetattr(master, 1, termios); // 1 == TCSAFLUSH
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Marshal.FreeHGlobal(termios);
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}
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public void ResetTerminal()
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{
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Tcsetattr(master, 1, original); // 1 == TCSAFLUSH
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Marshal.FreeHGlobal(original);
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}
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private UnixStream stream;
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[DllImport("libc", EntryPoint = "cfmakeraw")]
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private extern static void Cfmakeraw(IntPtr termios); // TODO: this is non-posix, but should work on BSD
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[DllImport("libc", EntryPoint = "tcgetattr")]
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private extern static void Tcgetattr(int fd, IntPtr termios);
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[DllImport("libc", EntryPoint = "tcsetattr")]
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private extern static void Tcsetattr(int fd, int attr, IntPtr termios);
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#region Implementation of IStreamProvider
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public Stream Stream { get {return stream;} }
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#endregion
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}
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}
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