changeset 1022:7058eb754ef0

add comment
author Igor Sysoev <igor@sysoev.ru>
date Fri, 12 Jan 2007 19:26:38 +0000
parents 8902a211b00e
children 68cc5e2e1a5d
files src/event/ngx_event_timer.c
diffstat 1 files changed, 5 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/event/ngx_event_timer.c
+++ b/src/event/ngx_event_timer.c
@@ -17,6 +17,11 @@ ngx_mutex_t  *ngx_event_timer_mutex;
 ngx_thread_volatile ngx_rbtree_t  ngx_event_timer_rbtree;
 static ngx_rbtree_node_t          ngx_event_timer_sentinel;
 
+/*
+ * the event timer rbtree may contain the duplicate keys, however,
+ * it should not be a problem, because we use the rbtree to find
+ * a minimum timer value only
+ */
 
 ngx_int_t
 ngx_event_timer_init(ngx_log_t *log)