File _service:tar_scm:backport-http-fix-fd-leak-on-f... of Package libevent

File _service:tar_scm:backport-http-fix-fd-leak-on-fd-reset-by-using-bufferevent_re.patch of Package libevent (Revision 8d0bdba2de817845b865cf4d0b98dac9)

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From 2385638edf9cb833ebc2759cdb6d6d45dc51a0da Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <azat@libevent.org>
Date: Tue, 23 Mar 2021 09:02:39 +0300
Subject: [PATCH] http: fix fd leak on fd reset (by using
 bufferevent_replacefd())

Reference:https://github.com/libevent/libevent/commit/2385638edf9cb833ebc2759cdb6d6d45dc51a0da
Conflict:NA

Fixes: afa66ea4 ("http: eliminate redundant bev fd manipulating and caching [WIP]")
---
 http.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/http.c b/http.c
index 551b63b..420049a 100644
--- a/http.c
+++ b/http.c
@@ -1324,7 +1324,7 @@ evhttp_connection_reset_hard_(struct evhttp_connection *evcon)
 	int err;
 
 	/* XXXX This is not actually an optimal fix.  Instead we ought to have
-	   an API for "stop connecting", or use bufferevent_setfd to turn off
+	   an API for "stop connecting", or use bufferevent_replacefd to turn off
 	   connecting.  But for Libevent 2.0, this seems like a minimal change
 	   least likely to disrupt the rest of the bufferevent and http code.
 
@@ -1341,7 +1341,7 @@ evhttp_connection_reset_hard_(struct evhttp_connection *evcon)
 		(*evcon->closecb)(evcon, evcon->closecb_arg);
 
 	/** FIXME: manipulating with fd is unwanted */
-	err = bufferevent_setfd(evcon->bufev, -1);
+	err = bufferevent_replacefd(evcon->bufev, -1);
 	EVUTIL_ASSERT(!err && "setfd");
 
 	/* we need to clean up any buffered data */
@@ -2560,7 +2560,7 @@ evhttp_connection_connect_(struct evhttp_connection *evcon)
 			return (-1);
 		}
 
-		if (bufferevent_setfd(evcon->bufev, fd))
+		if (bufferevent_replacefd(evcon->bufev, fd))
 			return (-1);
 	}
 
@@ -4245,7 +4245,7 @@ evhttp_get_request_connection(
 	evcon->flags |= EVHTTP_CON_INCOMING;
 	evcon->state = EVCON_READING_FIRSTLINE;
 
-	if (bufferevent_setfd(evcon->bufev, fd))
+	if (bufferevent_replacefd(evcon->bufev, fd))
 		goto err;
 	if (bufferevent_enable(evcon->bufev, EV_READ))
 		goto err;
-- 
2.33.0