howto serialize tasks in .xsession

From: Nano Nano (40208.nospam_at_comcast.net)
Date: 02/29/04

  • Next message: Bill Moseley: "Re: No xserver after upgrade" 
    Date: Sat, 28 Feb 2004 15:50:17 -0800
To: debian-user@lists.debian.org

    I run a hybrid desktop: gnome-control-center is installed, but not
    metacity. Fluxbox is my WM; but I remove gnome-session as a Session
    Manager so I have No Session Manager. Here is my .xsession:

    #!/bin/sh
    ARGS="--hide-menubar --window-with-profile=Default"
    #gnome-control-center
    gnome-settings-daemon --oaf-activate-iid=OAFIID:GNOME_SettingsDaemon --oaf-ior-fd=21 &
    xscreensaver -nosplash &
    kdeinit &
    gbuffy &
    #xmms &
    gnome-terminal $ARGS --geometry=80x25+1+22 &
    gnome-terminal $ARGS --geometry=95x25+582+22 &
    gnome-terminal $ARGS --geometry=80x40+1+418 &
    gnome-terminal $ARGS --geometry=95x40+582+418 &
    exec fluxbox

    As you can see, I used to run gnome-control-center synchronously, and
    would double-click the Font applet, which would "wake up" the Gnome
    settings and make themes and junk work. But I noticed what it runs is
    gnome-settings-daemon so I just run that directly.

    The problem is I have to run gnome-settings-daemon, gbuffy, and
    gnome-terminal all in the background, because only the final task (exec
    fluxbox) can block.

    The problem is if gbuffy or gnome-terminal starts before
    gnome-settings-daemon, themes and various gnome-ish things are broken.
    It's a classic race conditions.

    How can I serialize the tasks? Remember, none can block.
    gnome-settings-daemon doesn't return. 

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