70 lines
3.4 KiB
C#
70 lines
3.4 KiB
C#
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/*******************************************************************/
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/* WARNING */
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/* This file should be identical in the Bartok and Singularity */
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/* depots. Master copy resides in Bartok Depot. Changes should be */
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/* made to Bartok Depot and propagated to Singularity Depot. */
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/*******************************************************************/
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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namespace System.GCs
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{
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using Microsoft.Bartok.Runtime;
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using System.Runtime.CompilerServices;
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using System.Threading;
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[NoCCtor]
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[RequiredByBartok]
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internal abstract class Collector
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{
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// Helper methods for GC.cs
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internal abstract void Collect(int currentThreadIndex,
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int generation);
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internal abstract void CheckForNeededGCWork(Thread currentThread);
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internal abstract int CollectionGeneration(int gen);
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internal abstract int GetGeneration(Object obj);
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internal abstract int MaxGeneration { get; }
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internal abstract int MinGeneration { get; }
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internal abstract long TotalMemory { get; }
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// Creation and destruction of heaps
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internal abstract void EnableHeap();
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internal abstract void DestructHeap();
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// Verification of the heap
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internal abstract void VerifyHeap(bool beforeCollection);
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// Object visitation methods
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internal abstract UIntPtr FindObjectAddr(UIntPtr interiorPtr);
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internal abstract void VisitObjects(ObjectLayout.ObjectVisitor objectVisitor,
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UIntPtr lowAddr,
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UIntPtr highAddr);
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// Transition methods
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internal abstract void NewThreadNotification(Thread newThread,
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bool initial);
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internal abstract void DeadThreadNotification(Thread deadThread);
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internal abstract void ThreadStartNotification(int currentThreadIndex);
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internal abstract void ThreadEndNotification(Thread currentThread);
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internal abstract void ThreadDormantGCNotification(int threadIndex);
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internal abstract bool IsOnTheFlyCollector {get;}
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// Profiling methods.
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internal virtual void SetProfiler(GCProfiler profiler) { }
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internal virtual void ProfileAllocation(Object obj) { }
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// Allocation of objects
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internal abstract UIntPtr AllocateObjectMemory(UIntPtr numBytes,
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uint alignment,
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Thread currentThread);
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internal abstract Object AllocateObject(VTable vtable,
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Thread currentThread);
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internal abstract Array AllocateVector(VTable vtable,
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int numElements,
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Thread currentThread);
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internal abstract Array AllocateArray(VTable vtable,
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int rank, int totalElements,
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Thread currentThread);
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internal abstract String AllocateString(int stringLength,
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Thread currentThread);
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}
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}
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