// Dick Porter (dick@ximian.com)
//
// (C) 2002
+// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
//
//
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
+using Microsoft.Win32.SafeHandles;
#if NET_2_1
using System.IO.IsolatedStorage;
#endif
namespace System.IO
{
- unsafe internal sealed class MonoIO {
- public static readonly FileAttributes
+ unsafe static class MonoIO {
+ public const int FileAlreadyExistsHResult = unchecked ((int) 0x80070000) | (int)MonoIOError.ERROR_FILE_EXISTS;
+
+ public const FileAttributes
InvalidFileAttributes = (FileAttributes)(-1);
public static readonly IntPtr
return new UnauthorizedAccessException ("Access to the path is denied.");
case MonoIOError.ERROR_FILE_EXISTS:
string message = "Cannot create a file that already exist.";
- return new IOException (message, unchecked ((int) 0x80070000) | (int) error);
+ return new IOException (message, FileAlreadyExistsHResult);
default:
/* Add more mappings here if other
* errors trigger the named but empty
// FIXME: add more exception mappings here
case MonoIOError.ERROR_FILE_NOT_FOUND:
message = String.Format ("Could not find file \"{0}\"", path);
-#if NET_2_1
- return new IsolatedStorageException (message);
-#else
return new FileNotFoundException (message, path);
-#endif
case MonoIOError.ERROR_TOO_MANY_OPEN_FILES:
return new IOException ("Too many open files", unchecked((int)0x80070000) | (int)error);
case MonoIOError.ERROR_PATH_NOT_FOUND:
message = String.Format ("Could not find a part of the path \"{0}\"", path);
-#if NET_2_1
- return new IsolatedStorageException (message);
-#else
return new DirectoryNotFoundException (message);
-#endif
case MonoIOError.ERROR_ACCESS_DENIED:
message = String.Format ("Access to the path \"{0}\" is denied.", path);
return new IOException (message, unchecked((int)0x80070000) | (int)error);
case MonoIOError.ERROR_INVALID_DRIVE:
message = String.Format ("Could not find the drive '{0}'. The drive might not be ready or might not be mapped.", path);
-#if NET_2_0
+#if !NET_2_1
return new DriveNotFoundException (message);
#else
return new IOException (message, unchecked((int)0x80070000) | (int)error);
public extern static bool SetFileAttributes (string path, FileAttributes attrs, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static MonoFileType GetFileType (IntPtr handle, out MonoIOError error);
+ private extern static MonoFileType GetFileType (IntPtr handle, out MonoIOError error);
+
+ public static MonoFileType GetFileType (SafeHandle safeHandle, out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return GetFileType (safeHandle.DangerousGetHandle (), out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+ //
+ // Find file methods
+ //
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static string FindFirst (string path, string pattern, out FileAttributes result_attr, out MonoIOError error, out IntPtr handle);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static string FindNext (IntPtr handle, out FileAttributes result_attr, out MonoIOError error);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static int FindClose (IntPtr handle);
+
public static bool Exists (string path, out MonoIOError error)
{
FileAttributes attrs = GetFileAttributes (path,
FileShare share,
FileOptions options,
out MonoIOError error);
-
+
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static bool Close (IntPtr handle,
out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int Read (IntPtr handle, byte [] dest,
+ private extern static int Read (IntPtr handle, byte [] dest,
int dest_offset, int count,
out MonoIOError error);
+
+ public static int Read (SafeHandle safeHandle, byte [] dest,
+ int dest_offset, int count,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return Read (safeHandle.DangerousGetHandle (), dest, dest_offset, count, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int Write (IntPtr handle, [In] byte [] src,
+ private extern static int Write (IntPtr handle, [In] byte [] src,
int src_offset, int count,
out MonoIOError error);
+
+ public static int Write (SafeHandle safeHandle, byte [] src,
+ int src_offset, int count,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return Write (safeHandle.DangerousGetHandle (), src, src_offset, count, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static long Seek (IntPtr handle, long offset,
+ private extern static long Seek (IntPtr handle, long offset,
SeekOrigin origin,
out MonoIOError error);
+
+ public static long Seek (SafeHandle safeHandle, long offset,
+ SeekOrigin origin,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return Seek (safeHandle.DangerousGetHandle (), offset, origin, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool Flush (IntPtr handle,
+ private extern static bool Flush (IntPtr handle,
out MonoIOError error);
+ public static bool Flush (SafeHandle safeHandle,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return Flush (safeHandle.DangerousGetHandle (), out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static long GetLength (IntPtr handle,
+ private extern static long GetLength (IntPtr handle,
out MonoIOError error);
+ public static long GetLength (SafeHandle safeHandle,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return GetLength (safeHandle.DangerousGetHandle (), out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetLength (IntPtr handle,
+ private extern static bool SetLength (IntPtr handle,
long length,
out MonoIOError error);
+ public static bool SetLength (SafeHandle safeHandle,
+ long length,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return SetLength (safeHandle.DangerousGetHandle (), length, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetFileTime (IntPtr handle,
+ private extern static bool SetFileTime (IntPtr handle,
long creation_time,
long last_access_time,
long last_write_time,
out MonoIOError error);
+ public static bool SetFileTime (SafeHandle safeHandle,
+ long creation_time,
+ long last_access_time,
+ long last_write_time,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ return SetFileTime (safeHandle.DangerousGetHandle (), creation_time, last_access_time, last_write_time, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
public static bool SetFileTime (string path,
long creation_time,
long last_access_time,
break;
}
- result = SetFileTime (handle, creation_time,
+ result = SetFileTime (new SafeFileHandle(handle, false), creation_time,
last_access_time,
last_write_time, out error);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static void Lock (IntPtr handle,
+ private extern static void Lock (IntPtr handle,
long position, long length,
out MonoIOError error);
+ public static void Lock (SafeHandle safeHandle,
+ long position, long length,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ Lock (safeHandle.DangerousGetHandle (), position, length, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static void Unlock (IntPtr handle,
+ private extern static void Unlock (IntPtr handle,
long position, long length,
out MonoIOError error);
+ public static void Unlock (SafeHandle safeHandle,
+ long position, long length,
+ out MonoIOError error)
+ {
+ bool release = false;
+ try {
+ safeHandle.DangerousAddRef (ref release);
+ Unlock (safeHandle.DangerousGetHandle (), position, length, out error);
+ } finally {
+ if (release)
+ safeHandle.DangerousRelease ();
+ }
+ }
+
// console handles
public extern static IntPtr ConsoleOutput {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
get;
}
-
- [MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int GetTempPath(out string path);
}
}
projects / mono.git / blobdiff