Method

GioUnixConnectionreceive_fd

Declaration

gint
g_unix_connection_receive_fd (
  GUnixConnection* connection,
  GCancellable* cancellable,
  GError** error
)

Description

Receives a file descriptor from the sending end of the connection. The sending end has to call g_unix_connection_send_fd() for this to work.

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

Available since:2.22

Parameters

cancellable GCancellable
 

Optional GCancellable object, NULL to ignore.

 The argument can be NULL.
 The data is owned by the caller of the function.
error GError **
  The return location for a GError*, or NULL.

Return value

Returns: int
 

A file descriptor on success, -1 on error.