Re: test if x server is running on a given display

[Matt Price]

Dave Howorth wrote:
know whether there's a way to contact the server directly to see 
whether it's
REALLY running....

The simplest way to me is to write an X client program that just makes a 
connection, then disconnects. Something like this in fact:

#include <X11/Xlib.h>
#define DISPLAY ":0.0"
int main(argc, argv) int argc; char **argv; {
 exit(XOpenDisplay(DISPLAY) ? 0 : -1);
}
Then cc -L/usr/X11R6/lib -lX11 xtest.c
Cheers, Dave

thanks dave, that's very cool.  now... I don't program in c.  would it 
be easy to modify this program in two ways:
1) pass the display number as a parameter
2) print or return a specific error message if the connection is not 
accepted?

Matt
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