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@@ -0,0 +1,118 @@
+#ifndef CYGONCE_MEMALLOC_MFIXIMPL_HXX
+#define CYGONCE_MEMALLOC_MFIXIMPL_HXX
+
+//==========================================================================
+//
+//      mfiximpl.hxx
+//
+//      Memory pool with fixed block class declarations
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// 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 Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    hmt
+// Contributors: jlarmour
+// Date:         2000-06-12
+// Purpose:      Define Mfiximpl class interface
+// Description:  Inline class for constructing a fixed block allocator
+// Usage:        #include <cyg/memalloc/mfiximpl.hxx>
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <cyg/infra/cyg_type.h>
+#include <cyg/memalloc/common.hxx>     // Common memory allocator infra
+
+class Cyg_Mempool_Fixed_Implementation {
+protected:
+    // 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; };
+
+    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
+    cyg_uint8 *try_alloc( cyg_int32 size );
+    
+    // supposedly resize existing allocation. This is defined in the
+    // fixed block allocator purely for API consistency. It will return
+    // an error (false) for all values, except for the blocksize
+    // returns true on success
+    cyg_uint8 *
+    resize_alloc( cyg_uint8 *alloc_ptr, cyg_int32 newsize,
+                  cyg_int32 *oldsize=NULL );
+
+    // free the memory back to the pool; size ignored here
+    cyg_bool free( cyg_uint8 *p, cyg_int32 size );
+
+    // Get memory pool status
+    // flags is a bitmask of requested fields to fill in. The flags are
+    // defined in common.hxx
+    void get_status( cyg_mempool_status_flag_t /* flags */,
+                     Cyg_Mempool_Status & /* status */ );
+
+};
+
+#include <cyg/memalloc/mfiximpl.inl>
+
+// -------------------------------------------------------------------------
+#endif // ifndef CYGONCE_MEMALLOC_MFIXIMPL_HXX
+// EOF mfiximpl.hxx