optimize: persist fdlist for duration of main_loop

constant malloc and realloc was wasting lots of time

2 files changed, 6 insertions, 0 deletions

diff --git a/common/utils.c b/common/utils.c
index 6803941..f66d889 100644
--- a/common/utils.c
+++ b/common/utils.c
@@ -65,6 +65,11 @@ void fdlist_free(struct fdlist *list)
 	list->fds = NULL;
 }
 
+void fdlist_reset(struct fdlist *list)
+{
+	list->count = 0;
+}
+
 void collection_init(struct collection *col)
 {
 	col->list = malloc(sizeof(void *));
diff --git a/common/utils.h b/common/utils.h
index ad4ac9d..f9cfa93 100644
--- a/common/utils.h
+++ b/common/utils.h
@@ -39,6 +39,7 @@ struct fdlist {
 void fdlist_create(struct fdlist *list);
 void fdlist_add(struct fdlist *list, enum fdowner owner, int fd, short events);
 void fdlist_free(struct fdlist *list);
+void fdlist_reset(struct fdlist *list);
 
 struct collection {
 	void **list;