1 files changed, 71 insertions, 0 deletions
diff --git a/src/gensvm_queue.c b/src/gensvm_queue.c
new file mode 100644
index 0000000..bbf57b2
--- /dev/null
+++ b/src/gensvm_queue.c
@@ -0,0 +1,71 @@
+/**
+ * @file gensvm_queue.c
+ * @author Gertjan van den Burg
+ * @date May, 2016
+ * @brief Functions for initializing and freeing a GenQueue
+ *
+ */
+
+#include "gensvm_queue.h"
+
+/**
+ * @brief Initialize a GenQueue structure
+ *
+ * @details
+ * A GenQueue structure is initialized and the default value for the
+ * parameters are set. A pointer to the initialized queue  is returned.
+ *
+ * @returns 	initialized GenQueue
+ */
+struct GenQueue *gensvm_init_queue()
+{
+	struct GenQueue *q = Malloc(struct GenQueue, 1);
+
+	q->tasks = NULL;
+	q->N = 0;
+	q->i = 0;
+
+	return q;
+}
+
+/**
+ * @brief Free the GenQueue struct
+ *
+ * @details
+ * Freeing the allocated memory of the GenQueue means freeing every GenTask
+ * struct and then freeing the Queue.
+ *
+ * @param[in] 	q 	GenQueue to be freed
+ *
+ */
+void gensvm_free_queue(struct GenQueue *q)
+{
+	long i;
+	for (i=0; i<q->N; i++) {
+		gensvm_free_task(q->tasks[i]);
+	}
+	free(q->tasks);
+	free(q);
+}
+
+/**
+ * @brief Get new GenTask from GenQueue
+ *
+ * @details
+ * Return a pointer to the next GenTask in the GenQueue. If no GenTask 
+ * instances are left, NULL is returned. The internal counter GenQueue::i is 
+ * used for finding the next GenTask.
+ *
+ * @param[in] 	q 	GenQueue instance
+ * @returns 		pointer to next GenTask
+ *
+ */
+struct GenTask *get_next_task(struct GenQueue *q)
+{
+	long i = q->i;
+	if (i < q->N) {
+		q->i++;
+		return q->tasks[i];
+	}
+	return NULL;
+}