summaryrefslogtreecommitdiff
path: root/prio-queue.h
diff options
context:
space:
mode:
Diffstat (limited to 'prio-queue.h')
-rw-r--r--prio-queue.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/prio-queue.h b/prio-queue.h
index d030ec9dd6..4f9a37e6be 100644
--- a/prio-queue.h
+++ b/prio-queue.h
@@ -37,18 +37,24 @@ struct prio_queue {
/*
* Add the "thing" to the queue.
*/
-extern void prio_queue_put(struct prio_queue *, void *thing);
+void prio_queue_put(struct prio_queue *, void *thing);
/*
* Extract the "thing" that compares the smallest out of the queue,
* or NULL. If compare function is NULL, the queue acts as a LIFO
* stack.
*/
-extern void *prio_queue_get(struct prio_queue *);
+void *prio_queue_get(struct prio_queue *);
-extern void clear_prio_queue(struct prio_queue *);
+/*
+ * Gain access to the "thing" that would be returned by
+ * prio_queue_get, but do not remove it from the queue.
+ */
+void *prio_queue_peek(struct prio_queue *);
+
+void clear_prio_queue(struct prio_queue *);
/* Reverse the LIFO elements */
-extern void prio_queue_reverse(struct prio_queue *);
+void prio_queue_reverse(struct prio_queue *);
#endif /* PRIO_QUEUE_H */