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#if !JAVA
/*
* MemoryManager.cs
* Copyright © 2009-2011 kbinani
*
* This file is part of org.kbinani.cadencii.
*
* org.kbinani.cadencii is free software; you can redistribute it and/or
* modify it under the terms of the GPLv3 License.
*
* org.kbinani.cadencii is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
using System;
using System.Runtime.InteropServices;
using org.kbinani.java.util;
namespace org.kbinani.cadencii {
/// <summary>
/// アンマネージドなメモリーの確保・解放を行うマネージャです。
/// </summary>
public class MemoryManager {
/// <summary>
/// 確保したメモリーへのポインターの一覧
/// </summary>
private Vector<IntPtr> mList = new Vector<IntPtr>();
/// <summary>
/// メモリを確保します
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
public IntPtr malloc( int bytes ) {
IntPtr ret = Marshal.AllocHGlobal( bytes );
mList.add( ret );
return ret;
}
/// <summary>
/// メモリを開放します
/// </summary>
/// <param name="p"></param>
public void free( IntPtr p ) {
for ( Iterator<IntPtr> itr = mList.iterator(); itr.hasNext(); ) {
IntPtr v = itr.next();
if ( v.Equals( p ) ) {
Marshal.FreeHGlobal( p );
itr.remove();
break;
}
}
}
/// <summary>
/// このマネージャを使って確保されたメモリーのうち、未解放のものを全て解放します
/// </summary>
public void dispose() {
for ( Iterator<IntPtr> itr = mList.iterator(); itr.hasNext(); ) {
IntPtr v = itr.next();
try {
Marshal.FreeHGlobal( v );
} catch ( Exception ex ) {
serr.println( "MemoryManager#dispose; ex=" + ex );
}
}
mList.clear();
}
/// <summary>
/// デストラクタ。内部でdisposeメソッドを呼びます
/// </summary>
~MemoryManager() {
dispose();
}
}
}
#endif
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