public extern static void FreeHGlobal (IntPtr hglobal);
#if NET_2_0
- [MonoTODO]
+
+ static void ClearBSTR (IntPtr ptr)
+ {
+ int len = ReadInt32 (ptr, -4);
+
+ for (int i = 0; i < len; i++)
+ WriteByte (ptr, i, 0);
+ }
+
public static void ZeroFreeBSTR (IntPtr ptr)
{
- throw new NotImplementedException ();
+ ClearBSTR (ptr);
+ FreeBSTR (ptr);
}
- [MonoTODO]
+ static void ClearAnsi (IntPtr ptr)
+ {
+ for (int i = 0; ReadByte (ptr, i) != 0; i++)
+ WriteByte (ptr, i, 0);
+ }
+
+ static void ClearUnicode (IntPtr ptr)
+ {
+ for (int i = 0; ReadInt16 (ptr, i) != 0; i += 2)
+ WriteInt16 (ptr, i, 0);
+ }
+
public static void ZeroFreeCoTaskMemAnsi (IntPtr ptr)
{
- throw new NotImplementedException ();
+ ClearAnsi (ptr);
+ FreeCoTaskMem (ptr);
}
- [MonoTODO]
public static void ZeroFreeCoTaskMemUnicode (IntPtr ptr)
{
- throw new NotImplementedException ();
+ ClearUnicode (ptr);
+ FreeCoTaskMem (ptr);
}
- [MonoTODO]
public static void ZeroFreeGlobalAllocAnsi (IntPtr hglobal)
{
- throw new NotImplementedException ();
+ ClearAnsi (hglobal);
+ FreeHGlobal (hglobal);
}
- [MonoTODO]
public static void ZeroFreeGlobalAllocUnicode (IntPtr hglobal)
{
- throw new NotImplementedException ();
+ ClearUnicode (hglobal);
+ FreeHGlobal (hglobal);
}
#endif
public extern static IntPtr StringToHGlobalUni (string s);
#if NET_2_0
- [MonoTODO]
public static IntPtr SecureStringToBSTR (SecureString s)
{
if (s == null)
throw new ArgumentNullException ("s");
- throw new NotSupportedException ();
+ int len = s.Length;
+ IntPtr ctm = AllocCoTaskMem ((len+1) * 2 + 4);
+ byte [] buffer = null;
+ WriteInt32 (ctm, 0, len);
+ try {
+ buffer = s.GetBuffer ();
+
+ for (int i = 0; i < len; i++)
+ WriteInt16 (ctm, 4 + (i * 2), (short) ((buffer [(i*2)] << 8) | (buffer [i*2+1])));
+ WriteInt16 (ctm, 4 + buffer.Length, 0);
+ } finally {
+ if (buffer != null)
+ for (int i = buffer.Length; i > 0; ){
+ i--;
+ buffer [i] = 0;
+ }
+ }
+ return (IntPtr) ((long)ctm + 4);
}
- [MonoTODO]
public static IntPtr SecureStringToCoTaskMemAnsi (SecureString s)
{
if (s == null)
throw new ArgumentNullException ("s");
- throw new NotSupportedException ();
+ int len = s.Length;
+ IntPtr ctm = AllocCoTaskMem (len + 1);
+ byte [] copy = new byte [len+1];
+
+ try {
+ byte [] buffer = s.GetBuffer ();
+ int i = 0, j = 0;
+ for (; i < len; i++, j += 2){
+ copy [i] = buffer [j+1];
+ buffer [j] = 0;
+ buffer [j+1] = 0;
+ }
+ copy [i] = 0;
+ copy_to_unmanaged (copy, 0, ctm, len+1);
+ } finally {
+ // Ensure that we clear the buffer.
+ for (int i = len; i > 0; ){
+ i--;
+ copy [i] = 0;
+ }
+ }
+ return ctm;
}
- [MonoTODO]
public static IntPtr SecureStringToCoTaskMemUnicode (SecureString s)
{
if (s == null)
throw new ArgumentNullException ("s");
- throw new NotSupportedException ();
+ int len = s.Length;
+ IntPtr ctm = AllocCoTaskMem (len * 2 + 2);
+ byte [] buffer = null;
+ try {
+ buffer = s.GetBuffer ();
+ for (int i = 0; i < len; i++)
+ WriteInt16 (ctm, i * 2, (short) ((buffer [(i*2)] << 8) | (buffer [i*2+1])));
+ WriteInt16 (ctm, buffer.Length, 0);
+ } finally {
+ if (buffer != null)
+ for (int i = buffer.Length; i > 0; ){
+ i--;
+ buffer [i] = 0;
+ }
+ }
+ return ctm;
}
- [MonoTODO]
public static IntPtr SecureStringToGlobalAllocAnsi (SecureString s)
{
if (s == null)
throw new ArgumentNullException ("s");
- throw new NotSupportedException ();
+ return SecureStringToCoTaskMemAnsi (s);
}
- [MonoTODO]
public static IntPtr SecureStringToGlobalAllocUnicode (SecureString s)
{
if (s == null)
throw new ArgumentNullException ("s");
- throw new NotSupportedException ();
+ return SecureStringToCoTaskMemUnicode (s);
}
#endif
using System.Runtime.Remoting.Contexts;
using System.Security.Permissions;
+#if NET_2_0
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+#endif
+
namespace System.Threading
{
public abstract class WaitHandle : MarshalByRefObject, IDisposable
if (w == null)
throw new ArgumentNullException ("waitHandles", "null handle");
+#if NET_2_0
+ if (w.safe_wait_handle == null)
+ throw new ArgumentException ("null element found", "waitHandle");
+#else
if (w.os_handle == InvalidHandle)
throw new ArgumentException ("null element found", "waitHandle");
+#endif
}
}
// FIXME
}
+ public virtual void Close() {
+ Dispose(true);
+ GC.SuppressFinalize (this);
+ }
+
public const int WaitTimeout = 258;
+#if NET_2_0
+ //
+ // In 2.0 we use SafeWaitHandles instead of IntPtrs
+ //
+ SafeWaitHandle safe_wait_handle;
+
+ [Obsolete ("In the profiles > 2.x, use SafeHandle instead of Handle")]
+ public virtual IntPtr Handle {
+ get {
+ return safe_wait_handle.DangerousGetHandle ();
+ }
+
+ [SecurityPermission (SecurityAction.LinkDemand, UnmanagedCode = true)]
+ [SecurityPermission (SecurityAction.InheritanceDemand, UnmanagedCode = true)]
+ set {
+ //
+ // Notice, from the 2.x documentation:
+ // Assigning a new value to the Handle property, will not release
+ // the previous handle, this could lead to a leak
+ //
+ safe_wait_handle = new SafeWaitHandle (value, false);
+ }
+ }
+
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ private extern bool WaitOne_internal(IntPtr handle, int ms, bool exitContext);
+
+ protected virtual void Dispose (bool explicitDisposing)
+ {
+ if (!disposed){
+ disposed = true;
+
+ //
+ // This is only the case if the handle was never properly initialized
+ // most likely a but in the derived class
+ //
+ if (safe_wait_handle == null)
+ return;
+
+ lock (this){
+ if (safe_wait_handle != null)
+ safe_wait_handle.Dispose ();
+ }
+ }
+ }
+
+ public SafeWaitHandle SafeWaitHandle {
+ get {
+ return safe_wait_handle;
+ }
+
+ set {
+ if (safe_wait_handle != null)
+ safe_wait_handle.Close ();
+
+ safe_wait_handle = value;
+ }
+ }
+
+ public virtual bool WaitOne()
+ {
+ CheckDisposed ();
+ bool release = false;
+ try {
+ safe_wait_handle.DangerousAddRef (ref release);
+ return (WaitOne_internal(safe_wait_handle.DangerousGetHandle (), Timeout.Infinite, false));
+ } finally {
+ if (release)
+ safe_wait_handle.DangerousRelease ();
+ }
+ }
+
+ public virtual bool WaitOne(int millisecondsTimeout, bool exitContext)
+ {
+ CheckDisposed ();
+ bool release = false;
+ try {
+ if (exitContext)
+ SynchronizationAttribute.ExitContext ();
+ safe_wait_handle.DangerousAddRef (ref release);
+ return (WaitOne_internal(safe_wait_handle.DangerousGetHandle (), millisecondsTimeout, exitContext));
+ } finally {
+ if (exitContext)
+ SynchronizationAttribute.EnterContext ();
+ if (release)
+ safe_wait_handle.DangerousRelease ();
+ }
+ }
+
+ public virtual bool WaitOne(TimeSpan timeout, bool exitContext)
+ {
+ CheckDisposed ();
+ long ms = (long) timeout.TotalMilliseconds;
+ if (ms < -1 || ms > Int32.MaxValue)
+ throw new ArgumentOutOfRangeException ("timeout");
+
+ bool release = false;
+ try {
+ if (exitContext)
+ SynchronizationAttribute.ExitContext ();
+ safe_wait_handle.DangerousAddRef (ref release);
+ return (WaitOne_internal(safe_wait_handle.DangerousGetHandle (), (int) ms, exitContext));
+ }
+ finally {
+ if (exitContext)
+ SynchronizationAttribute.EnterContext ();
+ if (release)
+ safe_wait_handle.DangerousRelease ();
+ }
+ }
+
+ internal void CheckDisposed ()
+ {
+ if (disposed || safe_wait_handle == null)
+ throw new ObjectDisposedException (GetType ().FullName);
+ }
+#else
private IntPtr os_handle = InvalidHandle;
public virtual IntPtr Handle {
}
}
- public virtual void Close() {
- Dispose(true);
- GC.SuppressFinalize (this);
- }
-
internal void CheckDisposed ()
{
if (disposed || os_handle == InvalidHandle)
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern bool WaitOne_internal(IntPtr handle, int ms, bool exitContext);
+ protected virtual void Dispose(bool explicitDisposing) {
+ // Check to see if Dispose has already been called.
+ if (!disposed) {
+ disposed=true;
+ if (os_handle == InvalidHandle)
+ return;
+
+ lock (this) {
+ if (os_handle != InvalidHandle) {
+ NativeEventCalls.CloseEvent_internal (os_handle);
+ os_handle = InvalidHandle;
+ }
+ }
+ }
+ }
+
public virtual bool WaitOne()
{
CheckDisposed ();
if (exitContext) SynchronizationAttribute.EnterContext ();
}
}
+#endif
protected static readonly IntPtr InvalidHandle = IntPtr.Zero;
-
bool disposed = false;
void IDisposable.Dispose() {
GC.SuppressFinalize(this);
}
- protected virtual void Dispose(bool explicitDisposing) {
- // Check to see if Dispose has already been called.
- if (!disposed) {
- disposed=true;
- if (os_handle == InvalidHandle)
- return;
-
- lock (this) {
- if (os_handle != InvalidHandle) {
- NativeEventCalls.CloseEvent_internal (os_handle);
- os_handle = InvalidHandle;
- }
- }
- }
- }
-
~WaitHandle() {
Dispose(false);
}
projects / mono.git / commitdiff