Method

GioUnixConnectionsend_fd

since: 2.22

Declaration

gboolean
g_unix_connection_send_fd (
  GUnixConnection* connection,
  gint fd,
  GCancellable* cancellable,
  GError** error
)

Description

Passes a file descriptor to the receiving side of the connection. The receiving end has to call g_unix_connection_receive_fd() to accept the file descriptor.

As well as sending the fd this also writes a single byte to the stream, as this is required for fd passing to work on some implementations.

Available since: 2.22

Parameters

fd

Type: gint

A file descriptor.

cancellable

Type: GCancellable

Optional GCancellable object, NULL to ignore.

The argument can be NULL.

The data is owned by the caller of the function.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.

If the return location is not NULL, then you must initialize it to a NULL GError*.

The argument will left initialized to NULL by the method if there are no errors.

In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: gboolean

A TRUE on success, NULL on error.