2 // Mono.Unix/UnixPipes.cs
5 // Jonathan Pryor (jonpryor@vt.edu)
7 // (C) 2004-2005 Jonathan Pryor
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 public struct UnixPipes
37 : IEquatable <UnixPipes>
39 public UnixPipes (UnixStream reading, UnixStream writing)
45 public UnixStream Reading;
46 public UnixStream Writing;
48 public static UnixPipes CreatePipes ()
51 int r = Native.Syscall.pipe (out reading, out writing);
52 UnixMarshal.ThrowExceptionForLastErrorIf (r);
53 return new UnixPipes (new UnixStream (reading), new UnixStream (writing));
56 public override bool Equals (object value)
58 if ((value == null) || (value.GetType () != GetType ()))
60 UnixPipes other = (UnixPipes) value;
61 return Reading.Handle == other.Reading.Handle &&
62 Writing.Handle == other.Writing.Handle;
65 public bool Equals (UnixPipes value)
67 return Reading.Handle == value.Reading.Handle &&
68 Writing.Handle == value.Writing.Handle;
71 public override int GetHashCode ()
73 return Reading.Handle.GetHashCode () ^ Writing.Handle.GetHashCode ();
76 public static bool operator== (UnixPipes lhs, UnixPipes rhs)
78 return lhs.Equals (rhs);
81 public static bool operator!= (UnixPipes lhs, UnixPipes rhs)
83 return !lhs.Equals (rhs);