From: Olivier Houchard <ohouchard@haproxy.com>
Date: Wed, 12 Sep 2018 12:55:03 +0000 (+0200)
Subject: BUG/MEDIUM: tasks: Don't forget to decrement task_list_size in tasklet_free().
X-Git-Tag: v1.9-dev2~36
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=931624a00b44f3a885cc3ec443b87dce22132334;p=haproxy.git

BUG/MEDIUM: tasks: Don't forget to decrement task_list_size in tasklet_free().

In tasklet_free(), if we're currently in the runnable task list, don't
forget to decrement taks_list_size, or it'll end up being to big, and we may
not process tasks in the global runqueue.
---

diff --git a/include/proto/task.h b/include/proto/task.h
index eef4ded43..5445c9906 100644
--- a/include/proto/task.h
+++ b/include/proto/task.h
@@ -347,6 +347,8 @@ static inline void task_free(struct task *t)
 
 static inline void tasklet_free(struct tasklet *tl)
 {
+	if (!LIST_ISEMPTY(&tl->list))
+		task_list_size[tid]--;
 	LIST_DEL(&tl->list);
 
 	pool_free(pool_head_tasklet, tl);