table of contents
SD_BUS_CAN_SEND(3) | sd_bus_can_send | SD_BUS_CAN_SEND(3) |
NAME¶
sd_bus_can_send - Check which types can be sent over a bus object
SYNOPSIS¶
#include <elogind/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:
-ENOPKG
Added in version 246.
-ENOTCONN
Added in version 246.
-ECHILD
Added in version 246.
NOTES¶
Functions described here are available as a shared library, which can be compiled against and linked to with the libelogind pkg-config(8) file.
HISTORY¶
sd_bus_can_send() was added in version 246.
SEE ALSO¶
elogind 255 |