diff options
Diffstat (limited to 'tools/dbus-launch.1')
-rw-r--r-- | tools/dbus-launch.1 | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/tools/dbus-launch.1 b/tools/dbus-launch.1 index c0fb03f6..95708c77 100644 --- a/tools/dbus-launch.1 +++ b/tools/dbus-launch.1 @@ -7,7 +7,7 @@ dbus-launch \- Utility to start a message bus from a shell script .SH SYNOPSIS .PP -.B dbus-launch [\-\-version] [\-\-exit-with-session] +.B dbus-launch [\-\-version] [\-\-sh-syntax] [\-\-csh-syntax] [\-\-auto-syntax] [\-\-exit-with-session] [PROGRAM] [ARGS...] .SH DESCRIPTION @@ -15,8 +15,25 @@ The \fIdbus-launch\fP command is used to start \fIdbus-daemon-1\fP from a shell script. It would normally be called from a user's login scripts. Unlike the daemon itself, \fIdbus-launch\fP exits, so backticks or the $() construct can be used to read information from -\fIdbus-launch\fP. \fIdbus-launch\fP prints information about the -launched daemon in KEY=VALUE format. +\fIdbus-launch\fP. + +With no arguments, \fIdbus-launch\fP will simply print the values of +DBUS_SESSION_BUS_ADDRESS and DBUS_SESSION_BUS_PID. + +You may specify a program to be run; in this case, \fIdbus-launch\fP +will then set the appropriate environment variables and execute the +specified program, with the specified arguments. See below for +examples. + +Finally, you may use the \-\-auto-syntax command to cause +\fIdbus-launch\fP to emit shell code to set up the environment. This +is useful in shell scripts. With this option, \fIdbus-launch\fP looks +at the value of the SHELL environment variable to determine which +shell syntax should be used. If SHELL ends in "csh", then +csh-compatible code is emitted; otherwise Bourne shell code is +emitted. Instead of passing \-\-auto-syntax, you may explicity +specify a particular one by using \-\-sh-syntax for Bourne syntax, or +\-\-csh-syntax for csh syntax. .PP See http://www.freedesktop.org/software/dbus/ for more information @@ -30,17 +47,34 @@ sh-compatible shell to start the per-session bus daemon: ## test for an existing bus daemon, just to be safe if test -z "$DBUS_SESSION_BUS_ADDRESS" ; then ## if not found, launch a new one - eval `dbus-launch --exit-with-session` + eval `dbus-launch --auto-syntax --exit-with-session` echo "D-BUS per-session daemon address is: $DBUS_SESSION_BUS_ADDRESS" - export DBUS_SESSION_BUS_ADDRESS fi .fi You might run something like that in your login scripts. +.PP +Another way to use \fIdbus-launch\fP is to run your main session +program, like so: +.nf + +dbus-launch gnome-session + +.fi +The above would likely be appropriate for ~/.xsession. + .SH OPTIONS The following options are supported: .TP +.I "--auto-syntax" +Attempt to detect the shell in use, and emit compatible code. + +.TP +.I "--csh-syntax" +Emit csh compatible code. + +.TP .I "--exit-with-session" If this option is provided, a persistent "babysitter" process will be created that watches stdin for HUP and tries to connect to the X @@ -48,6 +82,10 @@ server. If this process gets a HUP on stdin or loses its X connection, it kills the message bus daemon. .TP +.I "--sh-syntax" +Emit Bourne-shell compatible code. + +.TP .I "--version" Print the version of dbus-launch |