From 6b5515908b6e70f0fa82557b9db6cff14afeb527 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Sat, 19 Apr 2025 23:42:34 +0300
Subject: [PATCH] =?UTF-8?q?mdbx:=20=D0=BF=D1=80=D0=B5=D0=B4=D0=BE=D1=82?=
 =?UTF-8?q?=D0=B2=D1=80=D0=B0=D1=89=D0=B5=D0=BD=D0=B8=D0=B5=20=D0=B2=D0=BE?=
 =?UTF-8?q?=D0=B7=D0=B2=D1=80=D0=B0=D1=82=D0=B0=20=D0=BD=D0=B5=D0=BE=D0=B6?=
 =?UTF-8?q?=D0=B8=D0=B4=D0=B0=D0=BD=D0=BD=D0=BE=D0=B9=20=D0=BE=D1=88=D0=B8?=
 =?UTF-8?q?=D0=B1=D0=BA=D0=B8=20`MDBX=5FBUSY`=20=D0=B8=D0=B7=20`mdbx=5Ftxn?=
 =?UTF-8?q?=5Flock(dont=5Fwait=3Dfalse)`=20(backport).?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/api-extra.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/api-extra.c b/src/api-extra.c
index 32ad4bfd..9175c9cd 100644
--- a/src/api-extra.c
+++ b/src/api-extra.c
@@ -140,7 +140,7 @@ int mdbx_txn_lock(MDBX_env *env, bool dont_wait) {
 
   if (unlikely(env->flags & MDBX_RDONLY))
     return LOG_IFERR(MDBX_EACCESS);
-  if (unlikely(env->basal_txn->owner || (env->basal_txn->flags & MDBX_TXN_FINISHED) == 0))
+  if (dont_wait && unlikely(env->basal_txn->owner || (env->basal_txn->flags & MDBX_TXN_FINISHED) == 0))
     return LOG_IFERR(MDBX_BUSY);
 
   return LOG_IFERR(lck_txn_lock(env, dont_wait));