// (C) 2002
//
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System;
using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Threading;
namespace System.IO
{
- internal sealed class MonoIO {
+ unsafe internal sealed class MonoIO {
public static readonly FileAttributes
InvalidFileAttributes = (FileAttributes)(-1);
public static readonly IntPtr
InvalidHandle = (IntPtr)(-1L);
+ public static readonly bool SupportsAsync = GetSupportsAsync ();
+
// error methods
public static Exception GetException (MonoIOError error)
// FIXME: add more exception mappings here
case MonoIOError.ERROR_FILE_NOT_FOUND:
message = String.Format ("Could not find file \"{0}\"", path);
- return new FileNotFoundException (message);
+ return new FileNotFoundException (message,
+ path);
+ case MonoIOError.ERROR_TOO_MANY_OPEN_FILES:
+ return new IOException ("Too many open files");
+
case MonoIOError.ERROR_PATH_NOT_FOUND:
message = String.Format ("Could not find a part of the path \"{0}\"", path);
return new DirectoryNotFoundException (message);
message = String.Format ("Access to the path \"{0}\" is denied.", path);
return new UnauthorizedAccessException (message);
+ case MonoIOError.ERROR_INVALID_HANDLE:
+ message = String.Format ("Invalid handle to path \"{0}\"", path);
+ return new IOException (message);
+
case MonoIOError.ERROR_FILE_EXISTS:
message = String.Format ("Could not create file \"{0}\". File already exists.", path);
return new IOException (message);
message = String.Format ("Path is too long. Path: {0}", path);
return new PathTooLongException (message);
+ case MonoIOError.ERROR_INVALID_PARAMETER:
+ message = String.Format ("Invalid parameter");
+ return new IOException (message);
+
+ case MonoIOError.ERROR_SHARING_VIOLATION:
+ message = String.Format ("Sharing violation on path {0}", path);
+ return new IOException (message);
+
+ case MonoIOError.ERROR_LOCK_VIOLATION:
+ message = String.Format ("Lock violation on path {0}", path);
+ return new IOException (message);
+
default:
message = String.Format ("Win32 IO returned {0}. Path: {1}", error, path);
return new IOException (message);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static MonoFileType GetFileType (IntPtr handle, out MonoIOError error);
+ // aio_* methods
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ extern static bool GetSupportsAsync ();
+
public static bool Exists (string path, out MonoIOError error)
{
FileAttributes attrs = GetFileAttributes (path,
{
FileAttributes attrs = GetFileAttributes (path,
out error);
+
+ // Actually, we are looking for a directory, not a file
+ if (error == MonoIOError.ERROR_FILE_NOT_FOUND)
+ error = MonoIOError.ERROR_PATH_NOT_FOUND;
+
if (attrs == InvalidFileAttributes)
return false;
FileMode mode,
FileAccess access,
FileShare share,
+ bool async,
out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int Write (IntPtr handle, byte [] src,
+ public extern static int Write (IntPtr handle, [In] byte [] src,
int src_offset, int count,
out MonoIOError error);
long last_access_time,
long last_write_time,
out MonoIOError error)
+ {
+ return SetFileTime (path,
+ 0,
+ creation_time,
+ last_access_time,
+ last_write_time,
+ DateTime.MinValue,
+ out error);
+ }
+
+ public static bool SetCreationTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 1, -1, -1, -1, dateTime, out error);
+ }
+
+ public static bool SetLastAccessTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 2, -1, -1, -1, dateTime, out error);
+ }
+
+ public static bool SetLastWriteTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 3, -1, -1, -1, dateTime, out error);
+ }
+
+ public static bool SetFileTime (string path,
+ int type,
+ long creation_time,
+ long last_access_time,
+ long last_write_time,
+ DateTime dateTime,
+ out MonoIOError error)
{
IntPtr handle;
bool result;
handle = Open (path, FileMode.Open,
FileAccess.ReadWrite,
- FileShare.ReadWrite, out error);
+ FileShare.ReadWrite, false, out error);
if (handle == MonoIO.InvalidHandle)
return false;
+ switch (type) {
+ case 1:
+ creation_time = dateTime.ToFileTime ();
+ break;
+ case 2:
+ last_access_time = dateTime.ToFileTime ();
+ break;
+ case 3:
+ last_write_time = dateTime.ToFileTime ();
+ break;
+ }
+
result = SetFileTime (handle, creation_time,
last_access_time,
last_write_time, out error);
- Close (handle, out error);
+
+ MonoIOError ignore_error;
+ Close (handle, out ignore_error);
return result;
}
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void Lock (IntPtr handle,
+ long position, long length,
+ out MonoIOError error);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void Unlock (IntPtr handle,
+ long position, long length,
+ out MonoIOError error);
+
// console handles
public extern static IntPtr ConsoleOutput {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static int GetTempPath(out string path);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void BeginWrite (IntPtr handle,FileStreamAsyncResult ares);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void BeginRead (IntPtr handle, FileStreamAsyncResult ares);
+
}
}