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8.44 Memory Constants

8.44.1 Microsoft Windows Memory Protection Constants

These constant names are taken right from Microsoft's Memory Protection constants.

8.44.1.1 PAGE_EXECUTE

include std/memconst.e
namespace memconst
public constant PAGE_EXECUTE

You may run the data in this page

8.44.1.2 PAGE_EXECUTE_READ

include std/memconst.e
namespace memconst
public constant PAGE_EXECUTE_READ

You may read or run the data

8.44.1.3 PAGE_EXECUTE_READWRITE

include std/memconst.e
namespace memconst
public constant PAGE_EXECUTE_READWRITE

You may run, read or write in this page

8.44.1.4 PAGE_EXECUTE_WRITECOPY

include std/memconst.e
namespace memconst
public constant PAGE_EXECUTE_WRITECOPY

You may run or write in this page

8.44.1.5 PAGE_WRITECOPY

include std/memconst.e
namespace memconst
public constant PAGE_WRITECOPY

You may write to this page.

8.44.1.6 PAGE_READWRITE

include std/memconst.e
namespace memconst
public constant PAGE_READWRITE

You may read or write in this page.

8.44.1.7 PAGE_READONLY

include std/memconst.e
namespace memconst
public constant PAGE_READONLY

You may only read data in this page

8.44.1.8 PAGE_NOACCESS

include std/memconst.e
namespace memconst
public constant PAGE_NOACCESS

You have no access to this page

8.44.2 Standard Library Memory Protection Constants

Memory Protection Constants are the same constants names and meaning across all platforms yet possibly of different numeric value. They are only necessary for allocate_protect

The constant names are created like this: You have four aspects of protection READ, WRITE, EXECUTE and COPY. You take the word PAGE and you concatonate an underscore and the aspect in the order above. For example: PAGE_WRITE_EXECUTE The sole exception to this nomenclature is when you will have no acesss to the page the constant is called PAGE_NONE.

8.44.2.1 PAGE_NONE

include std/memconst.e
namespace memconst
public constant PAGE_NONE

You have no access to this page.

8.44.2.2 PAGE_READ_EXECUTE

include std/memconst.e
namespace memconst
public constant PAGE_READ_EXECUTE

You may read or run the data An alias to PAGE_EXECUTE_READ

8.44.2.3 PAGE_READ_WRITE

include std/memconst.e
namespace memconst
public constant PAGE_READ_WRITE

You may read or write to this page An alias to PAGE_READWRITE

8.44.2.4 PAGE_READ

include std/memconst.e
namespace memconst
public constant PAGE_READ

You may only read to this page An alias to PAGE_READONLY

8.44.2.5 PAGE_READ_WRITE_EXECUTE

include std/memconst.e
namespace memconst
public constant PAGE_READ_WRITE_EXECUTE

You may run, read or write in this page An alias to PAGE_EXECUTE_READWRITE

8.44.2.6 PAGE_WRITE_EXECUTE_COPY

include std/memconst.e
namespace memconst
public constant PAGE_WRITE_EXECUTE_COPY

You may run or write to this page. Data will copied for use with other processes when you first write to it.

8.44.2.7 PAGE_WRITE_COPY

include std/memconst.e
namespace memconst
public constant PAGE_WRITE_COPY

You may write to this page. Data will copied for use with other processes when you first write to it.