hurd/console ChangeLog display.c

[Marcus Brinkmann]

CVSROOT:        /cvsroot/hurd
Module name:    hurd
Changes by:     Marcus Brinkmann <address@hidden>       02/06/13 19:13:10

Modified files:
        console        : ChangeLog display.c 

Log message:
        2002-06-14  Marcus Brinkmann  <address@hidden>
        
        * display.c (struct changes): New structure to temporarily hold
        changes to the display.
        (struct display): New member CHANGES.
        (display_flush_filechange): New function.
        (display_record_filechange): Likewise.
        (screen_fill): Use display_record_filechange instead
        display_notice_filechange.
        (display_output_one): Likewise.
        (screen_shift_left): Flush pending filechanges before scrolling.
        (screen_shift_right): Likewise.
        (display_output_one): Don't notice changes here ...
        (display_output_some): ... but here.
        
        * display.c (struct user_pager_info): Add members MEMOBJ_NPAGES
        and MEMOBJ_PAGES to hold the allocated and returned pages.
        (struct display): Remove member MEMOBJ_SIZE.
        (pager_clear_user_data): Deallocate returned pages for this pager
        object.
        (pager_read_page): Add an assertion to check that we don't create
        new pages for already allocated and returned pages.
        (pager_write_page): Implement by just holding to the page and
        storing its address in the pager object for later deallocation.
        (pager_report_extent): Implement using new member MEMOBJ_NPAGES
        rather than MEMOBJ_SIZE.
        (user_create): Allocate extra storage for the returned pages in
        UPI.

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/hurd/hurd/console/ChangeLog.diff?tr1=1.14&tr2=1.15&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/hurd/hurd/console/display.c.diff?tr1=1.5&tr2=1.6&r1=text&r2=text