NAME
sd_bus_can_send - Check which types can be sent over a bus objectSYNOPSIS
#include <systemd/sd-bus.h>
void
sd_bus_can_send(sd_bus *bus,
char type);
DESCRIPTION
sd_bus_can_send() is mostly used for checking if file descriptor passing is available on the given bus. type can be any of the SD_BUS_TYPE constants.RETURN VALUE
On failure, sd_bus_can_send() returns a negative errno-style error code. If values of the given type can be sent over the given bus, it returns a positive integer. Otherwise, it returns zero.Errors
Returned errors may indicate the following problems: -ENOPKGThe bus object bus could not be
resolved.
-ENOTCONN
The input parameter bus is NULL
or the bus is not connected.
-ECHILD
The bus object bus was created in a
different process.
NOTES
These APIs are implemented as a shared library, which can be compiled and linked to with the libsystemd pkg-config(1) file.SEE ALSO
systemd(1), sd-bus(3)| systemd 252 |