A Dbus signal can be lost?


 
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Old 01-15-2020
A Dbus signal can be lost?

Hello to everyone! I have a little and simple question. I'm developing a simple application that receives dbus signals . The application works great, but a question is around my head and that is : A dbus signal can be lost ? I read some dbus documentation but didn't clear me this doubt.

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dbus-cleanup-sockets(1) 					   User Commands					   dbus-cleanup-sockets(1)

NAME
dbus-cleanup-sockets - clean up leftover sockets in a directory SYNOPSIS
dbus-cleanup-sockets [--help] [--version] [directory] DESCRIPTION
The dbus-cleanup-sockets command cleans up unused D-Bus connection sockets. If given no arguments, dbus-cleanup-sockets cleans up sockets in the standard default socket directory for the per-user-login-session mes- sage bus; this is usually /tmp. Optionally, you can pass a different directory on the command line. On Linux, this program is essentially useless, because D-Bus defaults to using "abstract sockets" that exist only in memory and don't have a corresponding file in /tmp. On most other flavors of UNIX, it is possible for the socket files to leak when programs using D-Bus exit abnormally or without closing their D-Bus connections. Thus, it might be interesting to run dbus-cleanup-sockets in a cron job to clean up any leaked sockets. Or you can just ignore the leaked sockets, they are not really hurting anything, other than cluttering the /tmp directory. See http://www.freedesktop.org/software/dbus/ for more information. OPTIONS
The following options are supported: --help Show help information on standard output and exit. --version Print the version of dbus-cleanup-sockets OPERANDS
The following operands are supported: directory Clean up sockets in the specified directory rather than the default socket directory. EXIT STATUS
The following exit values are returned: 0 Application exited successfully >0 Application exited with failure FILES
The following files are used by this application: /usr/bin/dbus-cleanup-sockets Executable for dbus-cleanup-sockets /tmp Default location for D-Bus connection sockets ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWdbus | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
dbus-daemon(1), dbus-launch(1), dbus-monitor(1), dbus-send(1), dbus-uuidgen(1), libdbus-glib-1(3), attributes(5) NOTES
For authorship information refer to http://www.freedesktop.org/software/dbus/doc/AUTHORS. Updated by Brian Cameron, Sun Microsystems Inc., 2007. dbus-cleanup-sockets was adapted by Havoc Pennington from linc-cleanup-sockets written by Michael Meeks. Documentation updated by Brian Cameron, Sun Microsystems Inc., 2007. Please send bug reports to the D-Bus mailing list or bug tracker, see http://www.freedesktop.org/software/dbus/ SunOS 5.11 19 Nov 2007 dbus-cleanup-sockets(1)