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@@ -0,0 +1,118 @@
+#ifndef CYGONCE_KERNEL_MFIXIMPL_HXX
+#define CYGONCE_KERNEL_MFIXIMPL_HXX
+
+//==========================================================================
+//
+//	mfiximpl.hxx
+//
+//	Memory pool with fixed block class declarations
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	hmt
+// Contributors:	hmt
+// Date:	1998-03-23
+// Purpose:	Define Mfiximpl class interface
+// Description:	Inline class for constructing a fixed block allocator
+// Usage:	#include <cyg/kernel/mfiximpl.hxx>
+//		
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <cyg/kernel/ktypes.h>
+#include <cyg/infra/cyg_ass.h>         // assertion macros
+#include <cyg/kernel/thread.hxx>
+
+class Cyg_Mempool_Fixed_Implementation {
+private:
+    // these constructors are explicitly disallowed
+    Cyg_Mempool_Fixed_Implementation() {};
+//    Cyg_Mempool_Fixed_Implementation( Cyg_Mempool_Fixed_Implementation &ref )
+//    {};
+    Cyg_Mempool_Fixed_Implementation &
+    operator=( Cyg_Mempool_Fixed_Implementation &ref )
+    { return ref; };
+
+private:
+    cyg_uint32 *bitmap;
+    cyg_int32 maptop;
+    cyg_uint8  *mempool;
+    cyg_int32 numblocks;
+    cyg_int32 freeblocks;
+    cyg_int32 blocksize;
+    cyg_int32 firstfree;
+    cyg_uint8  *top;
+
+public:
+    // THIS is the public API of memory pools generally that can have the
+    // kernel oriented thread-safe package layer atop.
+    //
+    // The kernel package is a template whose type parameter is one of
+    // these.  That is the reason there are superfluous parameters here and
+    // more genereralization than might be expected in a fixed block
+    // allocator.
+
+    // Constructor: gives the base and size of the arena in which memory is
+    // to be carved out, note that management structures are taken from the
+    // same arena.  The alloc_unit may be any other param in general; it
+    // comes through from the outer constructor unchanged.
+    Cyg_Mempool_Fixed_Implementation(
+        cyg_uint8 *base,
+        cyg_int32 size,
+        CYG_ADDRWORD alloc_unit );
+
+    // Destructor
+    ~Cyg_Mempool_Fixed_Implementation();
+
+    // get some memory; size is ignored in a fixed block allocator
+    inline cyg_uint8 *alloc( cyg_int32 size );
+    
+    // free the memory back to the pool; size ignored here
+    inline cyg_bool free( cyg_uint8 *p, cyg_int32 size );
+
+    // if applicable: return -1 if not fixed size
+    inline cyg_int32 get_blocksize() { return blocksize; }
+
+    // these two are obvious and generic
+    inline cyg_int32 get_totalmem() { return blocksize * numblocks; }
+    inline cyg_int32 get_freemem() { return blocksize * freeblocks; }
+
+    // get information about the construction parameters for external
+    // freeing after the destruction of the holding object
+    inline void get_arena( cyg_uint8 * &base, cyg_int32 &size, CYG_ADDRWORD &alloc  )
+    {
+        base = (cyg_uint8 *)bitmap;
+        size = top - base;
+        alloc = blocksize;
+    }
+
+};
+
+// -------------------------------------------------------------------------
+#endif // ifndef CYGONCE_KERNEL_MFIXIMPL_HXX
+// EOF mfiximpl.hxx