/usr/include/corelinux/MemoryStorage.hpp is in libcorelinux-dev 0.4.32-7.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define __MEMORYSTORAGE_HPP
/*
CoreLinux++
Copyright (C) 1999,2000 CoreLinux Consortium
The CoreLinux++ Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The CoreLinux++ Library Library 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. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#if !defined(__COMMON_HPP)
#include <Common.hpp>
#endif
#if !defined(__TRANSIENTSTORAGE_HPP)
#include <TransientStorage.hpp>
#endif
#if !defined(__BOUNDSEXCEPTION_HPP)
#include <BoundsException.hpp>
#endif
namespace corelinux
{
DECLARE_CLASS( MemoryStorage );
/**
MemoryStorage is type of Storage characterized as transient
and high speed.
The interface provides pointer semantics with the addition
of bounds error checking.
*/
class MemoryStorage : public TransientStorage, Synchronized
{
public:
//
// Constructors and destructor
//
/**
Constructor for storage object
@param MemoryIdentifier a unique id
@param Int size of region in bytes
@param void * to base address of region
*/
MemoryStorage( MemoryIdentifierCref , IntCref , VoidPtr );
//
// Operator overloads
//
/// Compares identifier
bool operator==( MemoryStorageCref ) const;
/// Returns identifier
operator MemoryIdentifierCref( void ) const;
//
// Accessors
//
/// Increment current pointer
void operator+( Int ) throw( BoundsException );
/// Decrement current pointer
void operator-( Int ) throw( BoundsException );
/// Reads current location as type
template< class T >
operator T( void ) throw( BoundsException )
{
// Bounds check first
if( Dword( ( BytePtr(theCurrentPointer) + sizeof(T) ) -
BytePtr(theBasePointer)) > Dword(theSize) )
{
throw BoundsException( LOCATION );
}
else
{
; // do nothing
}
return ((T *)theCurrentPointer)[0];
}
/// Reads current location as type pointer
template< class T >
operator T*( void ) throw( BoundsException )
{
// Bounds check first
if( Dword( ( BytePtr(theCurrentPointer) + sizeof(T) ) -
BytePtr(theBasePointer)) > Dword(theSize) )
{
throw BoundsException( LOCATION );
}
else
{
; // do nothing
}
return ((T *)theCurrentPointer);
}
//
// Mutators
//
/// Data assignment
template< class T >
T & operator=( T & aT ) throw( BoundsException )
{
if( Dword( ( BytePtr(theCurrentPointer) + sizeof(T) ) -
BytePtr(theBasePointer)) > Dword(theSize) )
{
throw BoundsException( LOCATION );
}
else
{
; // do nothing
}
GUARD;
std::memmove( theCurrentPointer, &aT, sizeof(T) );
return aT;
}
/// Subscript offset operator
MemoryStorageRef operator[]( Int offset )
throw( BoundsException );
//
// Traversal operations
//
/**
forEach invokes the callers method to perform whatever
operation they want on the type reference in the segment
space.
@param Xexec call to templated type
*/
template < class Type, class Xexec >
void forEach( Xexec aExec ) throw ( Assertion )
{
REQUIRE( aExec != NULLPTR );
GUARD;
Type *pType( (Type *)theBasePointer );
Int maxCount( theSize / sizeof( Type ) );
for( Int x = 0; x < maxCount; ++x, ++pType )
{
(*aExec)(pType);
}
}
/**
forEach that invokes the callers method if the
callers test method returns true
@param Xexec call to templated type
@param Test call to templated type
*/
template < class Type, class Xexec, class Test >
void forEach( Xexec aExec, Test aTest )
throw ( Assertion )
{
REQUIRE( aExec != NULLPTR );
REQUIRE( aTest != NULLPTR );
GUARD;
Type *pType( (Type *)theBasePointer );
Int maxCount( theSize / sizeof( Type ) );
for( Int x = 0; x < maxCount; ++x, ++pType )
{
if( (*aTest)(pType) == true )
{
(*aExec)(pType);
}
else
{
; // do nothing
}
}
}
protected:
friend class Memory;
/// Default is never called
MemoryStorage( void ) throw( Assertion );
/// Copy called by Memory
MemoryStorage( MemoryStorageCref );
/// Virtual destructor
virtual ~MemoryStorage( void );
/// Assignment called by Memory
MemoryStorageRef operator=( MemoryStorageCref );
/// Internal reference to base
VoidPtr getBasePointer( void );
private:
/// Unique identifier
MemoryIdentifier theIdentifier;
/// The size of region in bytes
Int theSize;
/// The base pointer of the region
VoidPtr theBasePointer;
/// The current pointer into the region
VoidPtr theCurrentPointer;
};
}
#endif // if !defined(__MEMORYSTORAGE_HPP)
/*
Common rcs information do not modify
$Author: frankc $
$Revision: 1.4 $
$Date: 2000/06/10 01:32:17 $
$Locker: $
*/
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