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src: dotnet: WIP

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This commit is contained in:
Bill Zissimopoulos 2017-04-02 22:40:43 -07:00
parent fa9ff37de9
commit f2391d99d5
2 changed files with 35 additions and 6 deletions
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14
src/dotnet/FileSystem.cs
View File

@ -36,13 +36,16 @@ namespace Fsp
}
public void Dispose()
{
Dispose(true);
lock (this)
Dispose(true);
GC.SuppressFinalize(true);
}
protected void Dispose(bool disposing)
protected virtual void Dispose(bool disposing)
{
if (IntPtr.Zero != _FileSystem)
{
Api.FspFileSystemStopDispatcher(_FileSystem);
Api.FspFileSystemSetUserContext(_FileSystem, null);
Api.FspFileSystemDelete(_FileSystem);
_FileSystem = IntPtr.Zero;
}
@ -136,8 +139,8 @@ namespace Fsp
ref _VolumeParams, ref _FileSystemInterface, out _FileSystem);
if (0 <= Result)
{
Api.FspFileSystemSetUserContext(_FileSystem, this);
#if false
_FileSystem->UserContext = this;
FspFileSystemSetOperationGuardStrategy(_FileSystem, Synchronized ?
FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY_COARSE :
FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY_FINE);
@ -150,6 +153,7 @@ namespace Fsp
}
if (0 > Result && IntPtr.Zero != _FileSystem)
{
Api.FspFileSystemSetUserContext(_FileSystem, null);
Api.FspFileSystemDelete(_FileSystem);
_FileSystem = IntPtr.Zero;
}
@ -157,9 +161,7 @@ namespace Fsp
}
public void Unmount()
{
Api.FspFileSystemStopDispatcher(_FileSystem);
Api.FspFileSystemDelete(_FileSystem);
_FileSystem = IntPtr.Zero;
Dispose();
}
#if false
PWSTR MountPoint()

27
src/dotnet/Interop.cs
View File

@ -16,6 +16,7 @@
*/
using System;
using System.Diagnostics;
using System.Security.AccessControl;
using System.Runtime.InteropServices;
using System.Security;
@ -409,6 +410,32 @@ namespace Fsp.Interop
else
return FspFileSystemSetMountPointEx(FileSystem, MountPoint, IntPtr.Zero);
}
internal unsafe static Object FspFileSystemGetUserContext(
IntPtr FileSystem)
{
IntPtr UserContext = Marshal.ReadIntPtr(FileSystem, sizeof(IntPtr));
return IntPtr.Zero != UserContext ? ((GCHandle)UserContext).Target : null;
}
internal unsafe static void FspFileSystemSetUserContext(
IntPtr FileSystem,
Object Obj)
{
if (null != Obj)
{
Debug.Assert(IntPtr.Zero == Marshal.ReadIntPtr(FileSystem, sizeof(IntPtr)));
GCHandle Handle = GCHandle.Alloc(Obj, GCHandleType.Weak);
Marshal.WriteIntPtr(FileSystem, sizeof(IntPtr), (IntPtr)Handle);
}
else
{
IntPtr UserContext = Marshal.ReadIntPtr(FileSystem, sizeof(IntPtr));
if (IntPtr.Zero != UserContext)
{
((GCHandle)UserContext).Free();
Marshal.WriteIntPtr(FileSystem, sizeof(IntPtr), IntPtr.Zero);
}
}
}
/* initialization */
[DllImport("kernel32.dll", CallingConvention = CallingConvention.StdCall, SetLastError = true)]