Re: fast way to check local X is running
How about ps -ax | X to find out if X is running, if it is xdpyinfo | grep number of screens: 2 or similar (not sure on syntax). This should be quite quick because it wont wait for any timeouts. jeb Andriy Rysin wrote: -display :0.1 and -display unix:0.1 both give 6 sec. Andriy Alan Coopersmith wrote: Try -display :0.1 or -display unix:0.1 -Alan Coopersmith- [EMAIL PROTECTED] Sun Microsystems, Inc. - Sun Software Group Quality / User Experience (QUE) - Globalization Platform Globalization Engineering: X11 Development Andriy Rysin wrote: Just found that if I use 'localhost:0.1' form, XOpenDisplay tries to connect with TCP stream, while if DISPLAY is NULL it choses fastest method it can find. And actually running just 'xlsfonts' with X down gives error right away. The problem is that I have to check for screen 0.1. Is there any way to use XOpenDisplay specifying screen 0.1 without forcing it to TCP mode? Thanks, Andriy Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
fast way to check local X is running
I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
Re: fast way to check local X is running
ps -ax|grep XFree86 On Wed, Jun 04, 2003 at 01:20:08PM -0700, Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel pgp0.pgp Description: PGP signature
Re: fast way to check local X is running
Just found that if I use 'localhost:0.1' form, XOpenDisplay tries to connect with TCP stream, while if DISPLAY is NULL it choses fastest method it can find. And actually running just 'xlsfonts' with X down gives error right away. The problem is that I have to check for screen 0.1. Is there any way to use XOpenDisplay specifying screen 0.1 without forcing it to TCP mode? Thanks, Andriy Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
Re: fast way to check local X is running
A bit ugly but the case is even not that :) - I have to check for screen 0.1 (tv output in my case) and ps -ax will not give me that information. Andriy [EMAIL PROTECTED] wrote: ps -ax|grep XFree86 On Wed, Jun 04, 2003 at 01:20:08PM -0700, Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/deve l ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
Re: fast way to check local X is running
Specify :0.1 (note: no hostname) as the DISPLAY. That will use UNIX domain sockets, which I am assuming that X using when you pass NULL. Harold Andriy Rysin wrote: Just found that if I use 'localhost:0.1' form, XOpenDisplay tries to connect with TCP stream, while if DISPLAY is NULL it choses fastest method it can find. And actually running just 'xlsfonts' with X down gives error right away. The problem is that I have to check for screen 0.1. Is there any way to use XOpenDisplay specifying screen 0.1 without forcing it to TCP mode? Thanks, Andriy Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
Re: fast way to check local X is running
I tried that, the delay is the same as with 'localhost:0.1' ~6 sec. Man page says If the hostname is a host machine name and a single colon (:) separates the hostname and display number, XOpenDisplay connects using TCP streams. If the hostname is not specified, Xlib uses whatever it believes is the fastest transport. If the hostname is a host machine name and a double colon (::) sepa- rates the hostname and display number, XOpenDisplay connects using DEC- net. So it's supposed to be 'fastest transport' when no hostname is specified but from the other side it says that colon ':' specifes TCP (and '::' specifies DECnet). So there's some ambiguity here. Andriy Harold L Hunt II wrote: Specify :0.1 (note: no hostname) as the DISPLAY. That will use UNIX domain sockets, which I am assuming that X using when you pass NULL. Harold Andriy Rysin wrote: Just found that if I use 'localhost:0.1' form, XOpenDisplay tries to connect with TCP stream, while if DISPLAY is NULL it choses fastest method it can find. And actually running just 'xlsfonts' with X down gives error right away. The problem is that I have to check for screen 0.1. Is there any way to use XOpenDisplay specifying screen 0.1 without forcing it to TCP mode? Thanks, Andriy Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
Re: fast way to check local X is running
-display :0.1 and -display unix:0.1 both give 6 sec. Andriy Alan Coopersmith wrote: Try -display :0.1 or -display unix:0.1 -Alan Coopersmith- [EMAIL PROTECTED] Sun Microsystems, Inc. - Sun Software Group Quality / User Experience (QUE) - Globalization Platform Globalization Engineering: X11 Development Andriy Rysin wrote: Just found that if I use 'localhost:0.1' form, XOpenDisplay tries to connect with TCP stream, while if DISPLAY is NULL it choses fastest method it can find. And actually running just 'xlsfonts' with X down gives error right away. The problem is that I have to check for screen 0.1. Is there any way to use XOpenDisplay specifying screen 0.1 without forcing it to TCP mode? Thanks, Andriy Andriy Rysin wrote: I've got a server program trying to connect to local X server on command. If X runs everything is fine but if not timeout for XOpenDisplay is pretty long. I tried to run 'xlsfonts -display localhost:0.1' when X server is down and got about 6 sec delay. It's probably reasonable for remote X server because of network delays but for localhost there is probably a faster way. Delay is crucial in my case - I need to know if X is down in less than 2 sec, is there any mean to know really quick if local server is down? Thanks in advance, Andriy ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
