x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
SD_BUS_SET_EXIT_ON_DISCONsd_bus_set_exit_on_diSD_BUS_SET_EXIT_ON_DISCONNECT(3)
NAME
sd_bus_set_exit_on_disconnect, sd_bus_get_exit_on_disconnect - Control
the exit behavior when the bus object disconnects
SYNOPSIS
#include <systemd/sd-bus.h>
int sd_bus_set_exit_on_disconnect(sd_bus *bus, int b);
int sd_bus_get_exit_on_disconnect(sd_bus *bus);
DESCRIPTION
sd_bus_set_exit_on_disconnect() may be used to configure the exit
behavior when the given bus object disconnects. If b is zero, no
special logic is executed when the bus object disconnects. If b is
non-zero, the behavior on disconnect depends on whether the bus object
is attached to an event loop or not. If the bus object is attached to
an event loop (see sd_bus_attach_event(3)), the event loop is closed
when the bus object disconnects (as if calling sd_event_exit(3)).
Otherwise, exit(3) is called. The exit code passed to sd_event_exit()
and exit() is EXIT_FAILURE. If the bus object has already disconnected
when enabling the exit behavior, the exit behavior is executed
immediately. By default, the exit behavior is disabled.
sd_bus_get_exit_on_disconnect() returns whether the exit on disconnect
behavior is enabled for the given bus object.
RETURN VALUE
On success, sd_bus_set_exit_on_disconnect() returns a non-negative
integer. On failure, it returns a negative errno-style error code.
sd_bus_get_exit_on_disconnect() returns a positive integer if the exit
on disconnect behavior is enabled. Otherwise, it returns zero.
Errors
Returned errors may indicate the following problems:
-EINVAL
A required parameter was NULL.
-ENOPKG
The bus object could not be resolved.
-ECHILD
The bus connection was created in a different process, library or
module instance.
NOTES
Functions described here are available as a shared library, which can
be compiled against and linked to with the libsystemd pkg-config(1)
file.
The code described here uses getenv(3), which is declared to be not
multi-thread-safe. This means that the code calling the functions
described here must not call setenv(3) from a parallel thread. It is
recommended to only do calls to setenv() from an early phase of the
program when no other threads have been started.
SEE ALSO
systemd(1), sd-bus(3), sd_bus_attach_event(3), sd-event(3),
sd_event_exit(3)
systemd 254 SD_BUS_SET_EXIT_ON_DISCONNECT(3)
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