#if NET_2_0
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
#endif
namespace System.Threading
{
+#if NET_2_0
+ [ComVisible (true)]
+#endif
public abstract class WaitHandle : MarshalByRefObject, IDisposable
{
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#endif
}
}
-
+#if false
+ // usage of property is commented - see above
static bool IsSTAThread {
get {
bool isSTA = Thread.CurrentThread.ApartmentState ==
return isSTA;
}
}
-
+#endif
public static bool WaitAll(WaitHandle[] waitHandles)
{
CheckArray (waitHandles, true);
private static extern int WaitAny_internal(WaitHandle[] handles, int ms, bool exitContext);
// LAMESPEC: Doesn't specify how to signal failures
+#if NET_2_0
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
+#endif
public static int WaitAny(WaitHandle[] waitHandles)
{
CheckArray (waitHandles, false);
return(WaitAny_internal(waitHandles, Timeout.Infinite, false));
}
+#if NET_2_0
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
+#endif
public static int WaitAny(WaitHandle[] waitHandles,
int millisecondsTimeout,
bool exitContext)
}
}
+#if NET_2_0
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
+ public static int WaitAny(WaitHandle[] waitHandles, TimeSpan timeout)
+ {
+ return WaitAny (waitHandles, timeout, false);
+ }
+
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
+ public static int WaitAny(WaitHandle[] waitHandles, int millisecondsTimeout)
+ {
+ return WaitAny (waitHandles, millisecondsTimeout, false);
+ }
+#endif
+#if NET_2_0
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
+#endif
public static int WaitAny(WaitHandle[] waitHandles,
TimeSpan timeout, bool exitContext)
{
}
}
- [MonoTODO]
- public WaitHandle() {
+#if NET_2_0
+ protected
+#else
+ public
+#endif
+ WaitHandle() {
// FIXME
}
[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);
+ if (value == InvalidHandle)
+ safe_wait_handle = new SafeWaitHandle (InvalidHandle, false);
+ else
+ safe_wait_handle = new SafeWaitHandle (value, true);
}
}
//
// This is only the case if the handle was never properly initialized
- // most likely a but in the derived class
+ // most likely a bug in the derived class
//
if (safe_wait_handle == null)
return;
}
public SafeWaitHandle SafeWaitHandle {
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
get {
return safe_wait_handle;
}
+ [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
set {
- if (safe_wait_handle != null)
- safe_wait_handle.Close ();
-
- safe_wait_handle = value;
+ if (value == null)
+ safe_wait_handle = new SafeWaitHandle (InvalidHandle, false);
+ else
+ safe_wait_handle = value;
}
}
+ public static bool SignalAndWait (WaitHandle toSignal,
+ WaitHandle toWaitOn)
+ {
+ return SignalAndWait (toSignal, toWaitOn, -1, false);
+ }
+
+ public static bool SignalAndWait (WaitHandle toSignal,
+ WaitHandle toWaitOn,
+ int millisecondsTimeout,
+ bool exitContext)
+ {
+ if (toSignal == null)
+ throw new ArgumentNullException ("toSignal");
+ if (toWaitOn == null)
+ throw new ArgumentNullException ("toWaitOn");
+
+ if (millisecondsTimeout < -1)
+ throw new ArgumentOutOfRangeException ("millisecondsTimeout");
+
+ return SignalAndWait_Internal (toSignal.Handle, toWaitOn.Handle, millisecondsTimeout, exitContext);
+ }
+
+ public static bool SignalAndWait (WaitHandle toSignal,
+ WaitHandle toWaitOn,
+ TimeSpan timeout,
+ bool exitContext)
+ {
+ double ms = timeout.TotalMilliseconds;
+ if (ms > Int32.MaxValue)
+ throw new ArgumentOutOfRangeException ("timeout");
+
+ return SignalAndWait (toSignal, toWaitOn, Convert.ToInt32 (ms), false);
+ }
+
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ static extern bool SignalAndWait_Internal (IntPtr toSignal, IntPtr toWaitOn, int ms, bool exitContext);
+
public virtual bool WaitOne()
{
CheckDisposed ();
}
}
+ public virtual bool WaitOne (int millisecondsTimeout)
+ {
+ return WaitOne (millisecondsTimeout, false);
+ }
+
+ public virtual bool WaitOne (TimeSpan timeout)
+ {
+ return WaitOne (timeout, false);
+ }
+
public virtual bool WaitOne(TimeSpan timeout, bool exitContext)
{
CheckDisposed ();
if (disposed || safe_wait_handle == null)
throw new ObjectDisposedException (GetType ().FullName);
}
+
+ public static bool WaitAll(WaitHandle[] waitHandles, int millisecondsTimeout)
+ {
+ CheckArray (waitHandles, true);
+ return WaitAll_internal (waitHandles, millisecondsTimeout, false);
+ }
+
+ public static bool WaitAll(WaitHandle[] waitHandles, TimeSpan timeout)
+ {
+ CheckArray (waitHandles, true);
+ long ms = (long) timeout.TotalMilliseconds;
+
+ if (ms < -1 || ms > Int32.MaxValue)
+ throw new ArgumentOutOfRangeException ("timeout");
+
+ return (WaitAll_internal (waitHandles, (int) ms, false));
+ }
+
#else
private IntPtr os_handle = InvalidHandle;
}
#endif
- protected static readonly IntPtr InvalidHandle = IntPtr.Zero;
+ protected static readonly IntPtr InvalidHandle = (IntPtr) (-1);
bool disposed = false;
void IDisposable.Dispose() {