From 4ee19c30abdd962fbc10f65c45a5f1615cda3059 Mon Sep 17 00:00:00 2001
From: Willy Tarreau <w@1wt.eu>
Date: Fri, 23 Nov 2012 17:35:59 +0100
Subject: MEDIUM: checks: prevent TIME_WAITs from appearing also on timeouts

We need to disable lingering before closing on timeout too, otherwise
we accumulate TIME_WAITs.
(cherry picked from commit cfd97c6f043fb64980529a0ce26b10fecd0e8fe2)
---
 src/checks.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/checks.c b/src/checks.c
index 3d01282..201900a 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -1527,6 +1527,9 @@ struct task *process_chk(struct task *t)
 			else
 				set_server_down(s);
 			s->curfd = -1;
+			/* avoid accumulating TIME_WAIT on timeouts */
+			setsockopt(fd, SOL_SOCKET, SO_LINGER,
+				   (struct linger *) &nolinger, sizeof(struct linger));
 			fd_delete(fd);
 
 			rv = 0;
-- 
1.7.1