Feature #579: Implement memory mapping for Windows platforms - Exiv2

Feature #579

Implement memory mapping for Windows platforms

Added by Andreas Huggel about 13 years ago. Updated almost 12 years ago.

Status:

Closed

Priority:

Normal

Assignee:

Robin Mills

Category:

miscellaneous

Target version:

0.19

Start date:

Due date:

% Done:

100%

Estimated time:

Description

On Windows, there should be equivalent functions for mmap() and munmap() which can be used to implement memory mapping also for Windows in Exiv2::FileIo (basicio.cpp).

Additional information:

Memory mapping for UNIX-like systems was introduced with #475

Related issues

Associated revisions

Revision 1797 (diff)
Added by Robin Mills over 12 years ago

#579: Implement Memory Mapping for Windows Platforms

This improves the performance of exiv2.exe on TIFF files about 5x

The MSVC branch adds mmap.cpp and mman.h - borrowed and slightly touched from KDE
- the contribution of KDE is acknowledged and respected (and changes documented)
- exv_msvc.h modified to support MM
- added support files include/sys to enable compilation on MSVC

Revision 1832 (diff)
Added by Andreas Huggel over 12 years ago

Removed r1799, r1797 from trunk (#634, #579)

Revision 1967 (diff)
Added by Andreas Huggel almost 12 years ago

#579: Implemented mmap for Windows directly in FileIo and made that class use the Pimpl idiom (#510) to de-clutter the interface. Unrelated: Added EXV_MIN/MAX macros, allow iconv config in commercial version.