Baihao Yuan wrote:
> Hi,
>
> I am curious how X Server is implemented on Linux: What kind of system
> calls they need, do they need some special graphic system calls to do
> so? I checked the UNIX system calls, and didn't find any thing.
>
> Thanks a lot

An X application uses all kinds of Xlib calls to draw things. Read the
O'reilly Xlib manual:

http://www.google.com.au/search?hl=e...e+Search&meta=

Russell Shaw, le Fri 10 Feb 2006 15:00:32 +1100, a écrit :
> >I am curious how X Server is implemented on Linux: What kind of system
> >calls they need, do they need some special graphic system calls to do
> >so? I checked the UNIX system calls, and didn't find any thing.

The X server doesn't need any system call, except ioperm() for getting
access to the video board. From then on, it just uses direct regular I/O
with the board.

"Samuel Thibault" wrote in message
news:20060210131442.GJ4275@implementation.labri.fr

> Russell Shaw, le Fri 10 Feb 2006 15:00:32 +1100, a écrit :
> > >I am curious how X Server is implemented on Linux: What kind of system
> > >calls they need, do they need some special graphic system calls to do
> > >so? I checked the UNIX system calls, and didn't find any thing.
>
> The X server doesn't need any system call, except ioperm() for getting
> access to the video board. From then on, it just uses direct regular I/O
> with the board.


Thanks a lot!

Baihao


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Is there any good book descripe X server ,xlib ,window manager and so
on

design and implention??

thanks.