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-rw-r--r--camel/camel-op-queue.c89
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.org> .
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include "camel-op-queue.h"
+
+
+
+/**
+ * camel_op_queue_new: create a new operation queue
+ *
+ * Create a new operation queue.
+ *
+ * Return value: the newly allcated object
+ **/
+CamelOpQueue *
+camel_op_queue_new ()
+{
+ CamelOpQueue *op_queue;
+ op_queue = g_new (CamelOpQueue, 1);
+ op_queue->ops_tail = NULL;
+ op_queue->ops_head = NULL;
+
+}
+
+
+/**
+ * camel_op_queue_push_op: Add an operation to the queue
+ * @queue: queue object
+ * @op: operation to add
+ *
+ * Add an operation to an operation queue.
+ * The queue is a FIFO queue.
+ **/
+void
+camel_op_queue_push_op (CamelOpQueue *queue, CamelOp *op)
+{
+ GList *new_op;
+
+ g_assert (queue);
+
+ if (!queue->ops_tail) {
+ queue->ops_head = g_list_prepend (NULL, op);
+ queue->ops_tail = queue->ops_head;
+ } else
+ queue->ops_head = g_list_prepend (queue->ops_head, op);
+
+}
+
+
+/**
+ * camel_op_queue_pop_op: Pop the next operation pending in the queue
+ * @queue: queue object
+ *
+ * Pop the next operation pending in the queue.
+ *
+ * Return value:
+ **/
+CamelOp *
+camel_op_queue_pop_op (CamelOpQueue *queue)
+{
+ GList *op;
+
+ g_assert (queue);
+
+ op = queue->ops_tail;
+ queue->ops_tail = queue->ops_tail->prev;
+
+ return op;
+}
+
+