User  |  Syst  |  Libr  |  Device  |  Files  |  Other  |  Admin  |  Head  |

---

   sd_bus_can_send    ( 3 )

---

---

Имя (Name)

sd_bus_can_send - Check which types can be sent over a bus object

---

Синопсис (Synopsis)

#include <systemd/sd-bus.h>

       void sd_bus_can_send(sd_bus *bus, char type);

---

Описание (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.

---

Возвращаемое значение (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
           The 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.

---

Примечание (Note)

These APIs are implemented as a shared library, which can be
       compiled and linked to with the libsystemd pkg-config(1) file.

---

Смотри также (See also)

systemd(1), sd-bus(3)

---