From: Florian Forster <octo@huhu.verplant.org>
Date: Mon, 21 May 2007 05:21:28 +0000 (+0200)
Subject: plugin.c: Added a comment that explains why the order of the linked list and callback... 
X-Git-Tag: collectd-4.0.0~7^2~4
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=36031828bab8e5a9a3494d94e49c6b4882cb32f3;p=collectd.git

plugin.c: Added a comment that explains why the order of the linked list and callback are important.
---

diff --git a/src/plugin.c b/src/plugin.c
index 8087950e..da662040 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -607,6 +607,11 @@ void plugin_shutdown_all (void)
 	while (le != NULL)
 	{
 		callback = (int (*) (void)) le->value;
+
+		/* Advance the pointer before calling the callback allows
+		 * shutdown functions to unregister themselves. If done the
+		 * other way around the memory `le' points to will be freed
+		 * after callback returns. */
 		le = le->next;
 
 		(*callback) ();