write_to_fd.c

/* Helper function which writes a string to a file descriptor.
*/
static gboolean
write_to_fd (int fd, const gchar *message) {
  gsize bw;
  GIOChannel *channel = g_io_channel_unix_new (fd);
  GString *message_str = g_string_new (message);
  g_string_append (message_str, "\n");
  g_io_channel_write_chars (channel,
                            message_str->str,
                            message_str->len,
                            &bw,
                            NULL);
  g_string_free (message_str, TRUE);
  g_io_channel_shutdown (channel, TRUE, NULL);
  g_io_channel_unref (channel);
  return TRUE;
}