From: Olivier Houchard <ohouchard@haproxy.com>
Date: Tue, 18 Aug 2026 15:42:03 +0000 (+0200)
Subject: MINOR: backend: Do not bother stopping if there is only one thread group
X-Git-Tag: v3.5-dev5~11
X-Git-Url: https://git.kaiwu.me/?a=commitdiff_plain;h=ff88d845a2646b6e34cccce12ff8e9fc80033795;p=haproxy.git

MINOR: backend: Do not bother stopping if there is only one thread group

We forbid sharing idle connection across thread groups if there is
per-thread group file descriptor tables, and that will cause an error,
but don't bother doing that if after all, there is only one thread
group.
---

diff --git a/src/cfgparse.c b/src/cfgparse.c
index ee86a7b5a..bf5d46e39 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -2345,9 +2345,10 @@ int check_config_validity()
 	}
 
 	if ((global.tune.tg_takeover == FULL_THREADGROUP_TAKEOVER) &&
-	    (global.tune.options & GTUNE_NO_TG_FD_SHARING)) {
+	    (global.tune.options & GTUNE_NO_TG_FD_SHARING) &&
+	    (global.nbtgroups > 1)) {
 		err_code |= ERR_FATAL | ERR_ALERT;
-		ha_alert("tune.fd.tables per-thread-group is incompatible with tune.idle-pool shared full\n");
+		ha_alert("tune.fd.tables per-thread-group is incompatible with tune.idle-pool-shared full\n");
 		goto out;
 	}
 	pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);