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//
// System.GC.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
//
//
// 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.Runtime.CompilerServices;
#if NET_2_0
using System.Runtime.ConstrainedExecution;
#endif
namespace System
{
public
#if NET_2_0
static
#else
sealed
#endif
class GC
{
#if !NET_2_0
private GC ()
{
}
#endif
public extern static int MaxGeneration {
[MethodImplAttribute(MethodImplOptions.InternalCall)]
get;
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
extern static void InternalCollect (int generation);
public static void Collect () {
InternalCollect (MaxGeneration);
}
// LAMESPEC: MS documentation says that it raises an error
// when the argument generation is greater than MaxGeneration,
// but it doesn't. (The documentation is fixed in 2.0.)
public static void Collect (int generation) {
if (generation < 0)
throw new ArgumentOutOfRangeException ("generation");
InternalCollect (generation);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static int GetGeneration (object obj);
public static int GetGeneration (WeakReference wo) {
object obj = wo.Target;
if (obj == null)
throw new ArgumentException ();
return GetGeneration (obj);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static long GetTotalMemory (bool forceFullCollection);
/* this icall has weird semantics check the docs... */
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static void KeepAlive (object obj);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static void ReRegisterForFinalize (object obj);
#if NET_2_0
[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
#endif
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static void SuppressFinalize (object obj);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static void WaitForPendingFinalizers ();
#if NET_2_0
[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static int CollectionCount (int generation);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static void RecordPressure (long diff);
public static void AddMemoryPressure (long bytesAllocated) {
RecordPressure (bytesAllocated);
}
public static void RemoveMemoryPressure (long bytesAllocated) {
RecordPressure (-bytesAllocated);
}
#endif
}
}
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