From 7873118cdb4faeb745f230da72729ccea1c077bb Mon Sep 17 00:00:00 2001
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Date: Wed, 24 Jul 2024 19:58:02 +0300
Subject: [PATCH] =?UTF-8?q?mdbx++:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
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---
 mdbx.h++ | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/mdbx.h++ b/mdbx.h++
index 9d2197bb..7ef55c18 100644
--- a/mdbx.h++
+++ b/mdbx.h++
@@ -4357,12 +4357,19 @@ public:
 
   //----------------------------------------------------------------------------
 
-  /// \brief Reset a read-only transaction.
+  /// \brief Reset read-only transaction.
   inline void reset_reading();
 
-  /// \brief Renew a read-only transaction.
+  /// \brief Renew read-only transaction.
   inline void renew_reading();
 
+  /// \brief Park read-only transaction.
+  inline void park_reading(bool autounpark = true);
+
+  /// \brief Resume parked read-only transaction.
+  /// \returns True if transaction was restarted while `restart_if_ousted=true`.
+  inline bool unpark_reading(bool restart_if_ousted = true);
+
   /// \brief Start nested write transaction.
   txn_managed start_nested();
 
@@ -6450,6 +6457,14 @@ inline void txn::renew_reading() {
   error::success_or_throw(::mdbx_txn_renew(handle_));
 }
 
+inline void txn::park_reading(bool autounpark) {
+  error::success_or_throw(::mdbx_txn_park(handle_, autounpark));
+}
+
+inline bool txn::unpark_reading(bool restart_if_ousted) {
+  return error::boolean_or_throw(::mdbx_txn_unpark(handle_, restart_if_ousted));
+}
+
 inline txn::info txn::get_info(bool scan_reader_lock_table) const {
   txn::info r;
   error::success_or_throw(::mdbx_txn_info(handle_, &r, scan_reader_lock_table));