Esempi in C++ (Cpp) per camel_data_wrapper_lock

Esempio n. 1

File: camel-data-wrapper.c Progetto: gcampax/evolution-data-server

static gboolean
data_wrapper_construct_from_stream_sync (CamelDataWrapper *data_wrapper,
                                         CamelStream *stream,
                                         GCancellable *cancellable,
                                         GError **error)
{
	CamelStream *memory_stream;
	gssize bytes_written;

	camel_data_wrapper_lock (
		data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	/* Check for cancellation after locking. */
	if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
		camel_data_wrapper_unlock (
			data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);
		return FALSE;
	}

	if (G_IS_SEEKABLE (stream)) {
		if (!g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, cancellable, error)) {
			camel_data_wrapper_unlock (data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);
			return FALSE;
		}
	}

	/* Wipe any previous contents from our byte array. */
	g_byte_array_set_size (data_wrapper->priv->byte_array, 0);

	memory_stream = camel_stream_mem_new ();

	/* We retain ownership of the byte array. */
	camel_stream_mem_set_byte_array (
		CAMEL_STREAM_MEM (memory_stream),
		data_wrapper->priv->byte_array);

	/* Transfer incoming contents to our byte array. */
	bytes_written = camel_stream_write_to_stream (
		stream, memory_stream, cancellable, error);

	g_object_unref (memory_stream);

	camel_data_wrapper_unlock (
		data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	return (bytes_written >= 0);
}

Esempio n. 2

File: camel-data-wrapper.c Progetto: nobled/evolution-data-server

static gssize
data_wrapper_write_to_stream_sync (CamelDataWrapper *data_wrapper,
                                   CamelStream *stream,
                                   GCancellable *cancellable,
                                   GError **error)
{
	gssize ret;

	if (data_wrapper->stream == NULL) {
		g_set_error (
			error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
			_("No stream available"));
		return -1;
	}

	camel_data_wrapper_lock (data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	/* Check for cancellation after locking. */
	if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
		camel_data_wrapper_unlock (
			data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);
		return -1;
	}

	if (camel_stream_reset (data_wrapper->stream, error) == -1) {
		camel_data_wrapper_unlock (
			data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);
		return -1;
	}

	ret = camel_stream_write_to_stream (
		data_wrapper->stream, stream, cancellable, error);

	camel_data_wrapper_unlock (data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	return ret;
}

Esempio n. 3

File: camel-data-wrapper.c Progetto: gcampax/evolution-data-server

static gssize
data_wrapper_write_to_stream_sync (CamelDataWrapper *data_wrapper,
                                   CamelStream *stream,
                                   GCancellable *cancellable,
                                   GError **error)
{
	CamelStream *memory_stream;
	gssize ret;

	camel_data_wrapper_lock (
		data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	/* Check for cancellation after locking. */
	if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
		camel_data_wrapper_unlock (
			data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);
		return -1;
	}

	memory_stream = camel_stream_mem_new ();

	/* We retain ownership of the byte array. */
	camel_stream_mem_set_byte_array (
		CAMEL_STREAM_MEM (memory_stream),
		data_wrapper->priv->byte_array);

	ret = camel_stream_write_to_stream (
		memory_stream, stream, cancellable, error);

	g_object_unref (memory_stream);

	camel_data_wrapper_unlock (
		data_wrapper, CAMEL_DATA_WRAPPER_STREAM_LOCK);

	return ret;
}