mdbx: merge branch 'master' into devel.

Change-Id: Ib1d07cf6eb2e4c76b3be969b28bf2317cb326835

.github/actions/spelling/expect.txt

@@ -137,6 +137,7 @@ calloc
 cas
 casename
 cassert
+castis
 castortech
 cattr
 cbegin
@@ -1391,6 +1392,7 @@ rw
 samedata
 samelength
 SAMSUNG
+sasgas
 savailable
 scalability
 sched

AUTHORS

@@ -30,3 +30,4 @@ Contributors
 - Sebastien Launay <sebastien@slaunay.fr>
 - Vladimir Romanov <vromanov@gmail.com>
 - Zano Foundation <crypto.sowle@gmail.com>
+- 장세연 <sasgas@castis.com>

ChangeLog.md

@@ -3,6 +3,7 @@ ChangeLog
 
 ## v0.9.3 (in development)
 
+TODO:
  - Engage new terminology (https://github.com/erthink/libmdbx/issues/137).
  - Rework/speedup the implementation of the dirty page list (lazy compactification, lazy sorting via merge).
  - Resolve few TODOs (https://github.com/erthink/libmdbx/issues/123, https://github.com/erthink/libmdbx/issues/124,
@@ -11,10 +12,25 @@ ChangeLog
  - Finalize C++ API (few typos and trivia bugs are still likely for now).
  - Packages for ROSA Linux, ALT Linux, Fedora/RHEL, Debian/Ubuntu.
 
+Acknowledgements:
+
+ - Mahlon E. Smith (http://www.martini.nu/) for FreeBSD port of libmdbx.
+ - 장세연 (http://www.castis.com) for bug fixing and PR.
 
 Removed options and features:
 
-  - Drop `MDBX_HUGE_TRANSACTIONS` build-option (now no longer required).
+ - Drop `MDBX_HUGE_TRANSACTIONS` build-option (now no longer required).
+
+Added features:
+
+ - Package for FreeBSD is available now by Mahlon E. Smith.
+ - New API functions to get/set various options (https://github.com/erthink/libmdbx/issues/128).
+ - Unlimited/Dynamic size of retired and dirty page lists (https://github.com/erthink/libmdbx/issues/123).
+
+Fixes:
+
+ - Fixed 4-byte aligned access to 64-bit integers.
+ - Fixed missing cleanup (null assigned) in the C++ commit/abort (https://github.com/erthink/libmdbx/pull/143).
 
 
 ## v0.9.2 scheduled at 2020-11-27

src/mdbx.c++

@@ -1314,20 +1314,18 @@ txn_managed::~txn_managed() noexcept {
 
 void txn_managed::abort() {
   const error err = static_cast<MDBX_error_t>(::mdbx_txn_abort(handle_));
-  if (MDBX_UNLIKELY(err.code() != MDBX_SUCCESS)) {
+  if (MDBX_LIKELY(err.code() != MDBX_THREAD_MISMATCH))
-    if (err.code() != MDBX_THREAD_MISMATCH)
+    handle_ = nullptr;
-      handle_ = nullptr;
+  if (MDBX_UNLIKELY(err.code() != MDBX_SUCCESS))
     err.throw_exception();
-  }
 }
 
 void txn_managed::commit() {
   const error err = static_cast<MDBX_error_t>(::mdbx_txn_commit(handle_));
-  if (MDBX_UNLIKELY(err.code() != MDBX_SUCCESS)) {
+  if (MDBX_LIKELY(err.code() != MDBX_THREAD_MISMATCH))
-    if (err.code() != MDBX_THREAD_MISMATCH)
+    handle_ = nullptr;
-      handle_ = nullptr;
+  if (MDBX_UNLIKELY(err.code() != MDBX_SUCCESS))
     err.throw_exception();
-  }
 }
 
 //------------------------------------------------------------------------------