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mdbx-doc: using the https://libmdbx.dqdkfa.ru/dead-github for resources deleted by the Github' administration (backport).

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Леонид Юрьев (Leonid Yuriev) 2022-12-03 06:23:31 +03:00
parent 6139443ef1
commit 47851135f3
8 changed files with 101 additions and 104 deletions
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@ -11,6 +11,11 @@ Fixes:
errors occur when reopening by `mdbx_env_open()` of a previously used errors occur when reopening by `mdbx_env_open()` of a previously used
environment (backport). environment (backport).
Minors:
- Using the https://libmdbx.dqdkfa.ru/dead-github
for resources deleted by the Github' administration (backport).
## v0.11.13 (Swashplate) at 2022-11-10 ## v0.11.13 (Swashplate) at 2022-11-10
@ -264,7 +269,7 @@ Minors:
The stable release with the complete workaround for an incoherence flaw of Linux unified page/buffer cache. The stable release with the complete workaround for an incoherence flaw of Linux unified page/buffer cache.
Nonetheless the cause for this trouble may be an issue of Intel CPU cache/MESI. Nonetheless the cause for this trouble may be an issue of Intel CPU cache/MESI.
See [issue#269](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for more information. See [issue#269](https://libmdbx.dqdkfa.ru/dead-github/issues/269) for more information.
Acknowledgements: Acknowledgements:
@ -273,8 +278,8 @@ Acknowledgements:
Fixes: Fixes:
- [Added complete workaround](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for an incoherence flaw of Linux unified page/buffer cache. - [Added complete workaround](https://libmdbx.dqdkfa.ru/dead-github/issues/269) for an incoherence flaw of Linux unified page/buffer cache.
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/272) cursor reusing for read-only transactions. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/272) cursor reusing for read-only transactions.
- Fixed copy&paste typo inside `mdbx::cursor::find_multivalue()`. - Fixed copy&paste typo inside `mdbx::cursor::find_multivalue()`.
Minors: Minors:
@ -289,7 +294,7 @@ Minors:
## v0.11.5 at 2022-02-23 ## v0.11.5 at 2022-02-23
The release with the temporary hotfix for a flaw of Linux unified page/buffer cache. The release with the temporary hotfix for a flaw of Linux unified page/buffer cache.
See [issue#269](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for more information. See [issue#269](https://libmdbx.dqdkfa.ru/dead-github/issues/269) for more information.
Acknowledgements: Acknowledgements:
@ -299,10 +304,10 @@ Acknowledgements:
Fixes: Fixes:
- [Added hotfix](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for a flaw of Linux unified page/buffer cache. - [Added hotfix](https://libmdbx.dqdkfa.ru/dead-github/issues/269) for a flaw of Linux unified page/buffer cache.
- [Fixed/Reworked](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/270) move-assignment operators for "managed" classes of C++ API. - [Fixed/Reworked](https://libmdbx.dqdkfa.ru/dead-github/pull/270) move-assignment operators for "managed" classes of C++ API.
- Fixed potential `SIGSEGV` while open DB with overrided non-default page size. - Fixed potential `SIGSEGV` while open DB with overrided non-default page size.
- [Made](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/267) `mdbx_env_open()` idempotence in failure cases. - [Made](https://libmdbx.dqdkfa.ru/dead-github/issues/267) `mdbx_env_open()` idempotence in failure cases.
- Refined/Fixed pages reservation inside `mdbx_update_gc()` to avoid non-reclamation in a rare cases. - Refined/Fixed pages reservation inside `mdbx_update_gc()` to avoid non-reclamation in a rare cases.
- Fixed typo in a retained space calculation for the hsr-callback. - Fixed typo in a retained space calculation for the hsr-callback.
@ -335,15 +340,15 @@ New features, extensions and improvements:
Fixes: Fixes:
- Fixed handling `MDBX_opt_rp_augment_limit` for GC's records from huge transactions (Erigon/Akula/Ethereum). - Fixed handling `MDBX_opt_rp_augment_limit` for GC's records from huge transactions (Erigon/Akula/Ethereum).
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/258) build on Android (avoid including `sys/sem.h`). - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/258) build on Android (avoid including `sys/sem.h`).
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/261) missing copy assignment operator for `mdbx::move_result`. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/pull/261) missing copy assignment operator for `mdbx::move_result`.
- Fixed missing `&` for `std::ostream &operator<<()` overloads. - Fixed missing `&` for `std::ostream &operator<<()` overloads.
- Fixed unexpected `EXDEV` (Cross-device link) error from `mdbx_env_copy()`. - Fixed unexpected `EXDEV` (Cross-device link) error from `mdbx_env_copy()`.
- Fixed base64 encoding/decoding bugs in auxillary C++ API. - Fixed base64 encoding/decoding bugs in auxillary C++ API.
- Fixed overflow of `pgno_t` during checking PNL on 64-bit platforms. - Fixed overflow of `pgno_t` during checking PNL on 64-bit platforms.
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/260) excessive PNL checking after sort for spilling. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/260) excessive PNL checking after sort for spilling.
- Reworked checking `MAX_PAGENO` and DB upper-size geometry limit. - Reworked checking `MAX_PAGENO` and DB upper-size geometry limit.
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/265) build for some combinations of versions of MSVC and Windows SDK. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/265) build for some combinations of versions of MSVC and Windows SDK.
Minors: Minors:
@ -370,10 +375,10 @@ Acknowledgements:
New features, extensions and improvements: New features, extensions and improvements:
- [Added](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/236) `mdbx_cursor_get_batch()`. - [Added](https://libmdbx.dqdkfa.ru/dead-github/issues/236) `mdbx_cursor_get_batch()`.
- [Added](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/250) `MDBX_SET_UPPERBOUND`. - [Added](https://libmdbx.dqdkfa.ru/dead-github/issues/250) `MDBX_SET_UPPERBOUND`.
- C++ API is finalized now. - C++ API is finalized now.
- The GC update stage has been [significantly speeded](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/254) when fixing huge Erigon's transactions (Ethereum ecosystem). - The GC update stage has been [significantly speeded](https://libmdbx.dqdkfa.ru/dead-github/issues/254) when fixing huge Erigon's transactions (Ethereum ecosystem).
Fixes: Fixes:
@ -384,12 +389,12 @@ Minors:
- Fixed returning `MDBX_RESULT_TRUE` (unexpected -1) from `mdbx_env_set_option()`. - Fixed returning `MDBX_RESULT_TRUE` (unexpected -1) from `mdbx_env_set_option()`.
- Added `mdbx_env_get_syncbytes()` and `mdbx_env_get_syncperiod()`. - Added `mdbx_env_get_syncbytes()` and `mdbx_env_get_syncperiod()`.
- [Clarified](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/249) description of `MDBX_INTEGERKEY`. - [Clarified](https://libmdbx.dqdkfa.ru/dead-github/pull/249) description of `MDBX_INTEGERKEY`.
- Reworked/simplified `mdbx_env_sync_internal()`. - Reworked/simplified `mdbx_env_sync_internal()`.
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/248) extra assertion inside `mdbx_cursor_put()` for `MDBX_DUPFIXED` cases. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/248) extra assertion inside `mdbx_cursor_put()` for `MDBX_DUPFIXED` cases.
- Avoiding extra looping inside `mdbx_env_info_ex()`. - Avoiding extra looping inside `mdbx_env_info_ex()`.
- Explicitly enabled core dumps from stochastic tests scripts on Linux. - Explicitly enabled core dumps from stochastic tests scripts on Linux.
- [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/253) `mdbx_override_meta()` to avoid false-positive assertions. - [Fixed](https://libmdbx.dqdkfa.ru/dead-github/issues/253) `mdbx_override_meta()` to avoid false-positive assertions.
- For compatibility reverted returning `MDBX_ENODATA`for some cases. - For compatibility reverted returning `MDBX_ENODATA`for some cases.
@ -405,10 +410,10 @@ Acknowledgements:
Fixes: Fixes:
- [Fixed compilation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/239) with `devtoolset-9` on CentOS/RHEL 7. - [Fixed compilation](https://libmdbx.dqdkfa.ru/dead-github/pull/239) with `devtoolset-9` on CentOS/RHEL 7.
- [Fixed unexpected `MDBX_PROBLEM` error](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/242) because of update an obsolete meta-page. - [Fixed unexpected `MDBX_PROBLEM` error](https://libmdbx.dqdkfa.ru/dead-github/issues/242) because of update an obsolete meta-page.
- [Fixed returning `MDBX_NOTFOUND` error](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/243) in case an inexact value found for `MDBX_GET_BOTH` operation. - [Fixed returning `MDBX_NOTFOUND` error](https://libmdbx.dqdkfa.ru/dead-github/issues/243) in case an inexact value found for `MDBX_GET_BOTH` operation.
- [Fixed compilation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/245) without kernel/libc-devel headers. - [Fixed compilation](https://libmdbx.dqdkfa.ru/dead-github/issues/245) without kernel/libc-devel headers.
Minors: Minors:
@ -425,7 +430,7 @@ Minors:
The database format signature has been changed to prevent The database format signature has been changed to prevent
forward-interoperability with an previous releases, which may lead to a forward-interoperability with an previous releases, which may lead to a
[false positive diagnosis of database corruption](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/238) [false positive diagnosis of database corruption](https://libmdbx.dqdkfa.ru/dead-github/issues/238)
due to flaws of an old library versions. due to flaws of an old library versions.
This change is mostly invisible: This change is mostly invisible:
@ -477,7 +482,7 @@ Acknowledgements:
Fixes: Fixes:
- Fixed possibility of looping update GC during transaction commit (no public issue since the problem was discovered inside [Positive Technologies](https://www.ptsecurity.ru)). - Fixed possibility of looping update GC during transaction commit (no public issue since the problem was discovered inside [Positive Technologies](https://www.ptsecurity.ru)).
- Fixed `#pragma pack` to avoid provoking some compilers to generate code with [unaligned access](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/235). - Fixed `#pragma pack` to avoid provoking some compilers to generate code with [unaligned access](https://libmdbx.dqdkfa.ru/dead-github/issues/235).
- Fixed `noexcept` for potentially throwing `txn::put()` of C++ API. - Fixed `noexcept` for potentially throwing `txn::put()` of C++ API.
Minors: Minors:
@ -503,7 +508,7 @@ Extensions and improvements:
Fixes: Fixes:
- Always setup `madvise` while opening DB (fixes https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/231). - Always setup `madvise` while opening DB (fixes https://libmdbx.dqdkfa.ru/dead-github/issues/231).
- Fixed checking legacy `P_DIRTY` flag (`0x10`) for nested/sub-pages. - Fixed checking legacy `P_DIRTY` flag (`0x10`) for nested/sub-pages.
Minors: Minors:
@ -524,11 +529,11 @@ Acknowledgements:
- [Lionel Debroux](https://github.com/debrouxl) for fuzzing tests and reporting bugs. - [Lionel Debroux](https://github.com/debrouxl) for fuzzing tests and reporting bugs.
- [Sergey Fedotov](https://github.com/SergeyFromHell/) for [`node-mdbx` NodeJS bindings](https://www.npmjs.com/package/node-mdbx). - [Sergey Fedotov](https://github.com/SergeyFromHell/) for [`node-mdbx` NodeJS bindings](https://www.npmjs.com/package/node-mdbx).
- [Kris Zyp](https://github.com/kriszyp) for [`lmdbx-store` NodeJS bindings](https://github.com/kriszyp/lmdbx-store). - [Kris Zyp](https://github.com/kriszyp) for [`lmdbx-store` NodeJS bindings](https://github.com/kriszyp/lmdbx-store).
- [Noel Kuntze](https://github.com/Thermi) for [draft Python bindings](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/commits/python-bindings). - [Noel Kuntze](https://github.com/Thermi) for [draft Python bindings](https://libmdbx.dqdkfa.ru/dead-github/commits/python-bindings).
New features, extensions and improvements: New features, extensions and improvements:
- [Allow to predefine/override `MDBX_BUILD_TIMESTAMP` for builds reproducibility](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/201). - [Allow to predefine/override `MDBX_BUILD_TIMESTAMP` for builds reproducibility](https://libmdbx.dqdkfa.ru/dead-github/issues/201).
- Added options support for `long-stochastic` script. - Added options support for `long-stochastic` script.
- Avoided `MDBX_TXN_FULL` error for large transactions when possible. - Avoided `MDBX_TXN_FULL` error for large transactions when possible.
- The `MDBX_READERS_LIMIT` increased to `32767`. - The `MDBX_READERS_LIMIT` increased to `32767`.
@ -536,7 +541,7 @@ New features, extensions and improvements:
- Minimized the size of poisoned/unpoisoned regions to avoid Valgrind/ASAN stuck. - Minimized the size of poisoned/unpoisoned regions to avoid Valgrind/ASAN stuck.
- Added more workarounds for QEMU for testing builds for 32-bit platforms, Alpha and Sparc architectures. - Added more workarounds for QEMU for testing builds for 32-bit platforms, Alpha and Sparc architectures.
- `mdbx_chk` now skips iteration & checking of DB' records if corresponding page-tree is corrupted (to avoid `SIGSEGV`, ASAN failures, etc). - `mdbx_chk` now skips iteration & checking of DB' records if corresponding page-tree is corrupted (to avoid `SIGSEGV`, ASAN failures, etc).
- Added more checks for [rare/fuzzing corruption cases](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/217). - Added more checks for [rare/fuzzing corruption cases](https://libmdbx.dqdkfa.ru/dead-github/issues/217).
Backward compatibility break: Backward compatibility break:
@ -548,18 +553,18 @@ Backward compatibility break:
Fixes: Fixes:
- Fixed excess meta-pages checks in case `mdbx_chk` is called to check the DB for a specific meta page and thus could prevent switching to the selected meta page, even if the check passed without errors. - Fixed excess meta-pages checks in case `mdbx_chk` is called to check the DB for a specific meta page and thus could prevent switching to the selected meta page, even if the check passed without errors.
- Fixed [recursive use of SRW-lock on Windows cause by `MDBX_NOTLS` option](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/203). - Fixed [recursive use of SRW-lock on Windows cause by `MDBX_NOTLS` option](https://libmdbx.dqdkfa.ru/dead-github/issues/203).
- Fixed [log a warning during a new DB creation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/205). - Fixed [log a warning during a new DB creation](https://libmdbx.dqdkfa.ru/dead-github/issues/205).
- Fixed [false-negative `mdbx_cursor_eof()` result](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/207). - Fixed [false-negative `mdbx_cursor_eof()` result](https://libmdbx.dqdkfa.ru/dead-github/issues/207).
- Fixed [`make install` with non-GNU `install` utility (OSX, BSD)](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/208). - Fixed [`make install` with non-GNU `install` utility (OSX, BSD)](https://libmdbx.dqdkfa.ru/dead-github/issues/208).
- Fixed [installation by `CMake` in special cases by complete use `GNUInstallDirs`'s variables](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/209). - Fixed [installation by `CMake` in special cases by complete use `GNUInstallDirs`'s variables](https://libmdbx.dqdkfa.ru/dead-github/issues/209).
- Fixed [C++ Buffer issue with `std::string` and alignment](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/191). - Fixed [C++ Buffer issue with `std::string` and alignment](https://libmdbx.dqdkfa.ru/dead-github/issues/191).
- Fixed `safe64_reset()` for platforms without atomic 64-bit compare-and-swap. - Fixed `safe64_reset()` for platforms without atomic 64-bit compare-and-swap.
- Fixed hang/shutdown on big-endian platforms without `__cxa_thread_atexit()`. - Fixed hang/shutdown on big-endian platforms without `__cxa_thread_atexit()`.
- Fixed [using bad meta-pages if DB was partially/recoverable corrupted](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/217). - Fixed [using bad meta-pages if DB was partially/recoverable corrupted](https://libmdbx.dqdkfa.ru/dead-github/issues/217).
- Fixed extra `noexcept` for `buffer::&assign_reference()`. - Fixed extra `noexcept` for `buffer::&assign_reference()`.
- Fixed `bootid` generation on Windows for case of change system' time. - Fixed `bootid` generation on Windows for case of change system' time.
- Fixed [test framework keygen-related issue](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/127). - Fixed [test framework keygen-related issue](https://libmdbx.dqdkfa.ru/dead-github/issues/127).
## v0.10.1 at 2021-06-01 ## v0.10.1 at 2021-06-01
@ -580,10 +585,10 @@ New features:
Fixes: Fixes:
- Fixed minor "foo not used" warnings from modern C++ compilers when building the C++ part of the library. - Fixed minor "foo not used" warnings from modern C++ compilers when building the C++ part of the library.
- Fixed confusing/messy errors when build library from unfit github's archives (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/197). - Fixed confusing/messy errors when build library from unfit github's archives (https://libmdbx.dqdkfa.ru/dead-github/issues/197).
- Fixed `#​e​l​s​i​f` typo. - Fixed `#​e​l​s​i​f` typo.
- Fixed rare unexpected `MDBX_PROBLEM` error during altering data in huge transactions due to wrong spilling/oust of dirty pages (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/195). - Fixed rare unexpected `MDBX_PROBLEM` error during altering data in huge transactions due to wrong spilling/oust of dirty pages (https://libmdbx.dqdkfa.ru/dead-github/issues/195).
- Re-Fixed WSL1/WSL2 detection with distinguishing (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/97). - Re-Fixed WSL1/WSL2 detection with distinguishing (https://libmdbx.dqdkfa.ru/dead-github/issues/97).
## v0.10.0 at 2021-05-09 ## v0.10.0 at 2021-05-09
@ -606,7 +611,7 @@ New features:
and conjointly with the `MDBX_ENV_CHECKPID=0` and `MDBX_TXN_CHECKOWNER=0` options can yield and conjointly with the `MDBX_ENV_CHECKPID=0` and `MDBX_TXN_CHECKOWNER=0` options can yield
up to 30% more performance compared to LMDB. up to 30% more performance compared to LMDB.
- Using float point (exponential quantized) representation for internal 16-bit values - Using float point (exponential quantized) representation for internal 16-bit values
of grow step and shrink threshold when huge ones (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/166). of grow step and shrink threshold when huge ones (https://libmdbx.dqdkfa.ru/dead-github/issues/166).
To minimize the impact on compatibility, only the odd values inside the upper half To minimize the impact on compatibility, only the odd values inside the upper half
of the range (i.e. 32769..65533) are used for the new representation. of the range (i.e. 32769..65533) are used for the new representation.
- Added the `mdbx_drop` similar to LMDB command-line tool to purge or delete (sub)database(s). - Added the `mdbx_drop` similar to LMDB command-line tool to purge or delete (sub)database(s).
@ -615,7 +620,7 @@ New features:
- The internal node sizes were refined, resulting in a reduction in large/overflow pages in some use cases - The internal node sizes were refined, resulting in a reduction in large/overflow pages in some use cases
and a slight increase in limits for a keys size to ≈½ of page size. and a slight increase in limits for a keys size to ≈½ of page size.
- Added to `mdbx_chk` output number of keys/items on pages. - Added to `mdbx_chk` output number of keys/items on pages.
- Added explicit `install-strip` and `install-no-strip` targets to the `Makefile` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/180). - Added explicit `install-strip` and `install-no-strip` targets to the `Makefile` (https://libmdbx.dqdkfa.ru/dead-github/pull/180).
- Major rework page splitting (af9b7b560505684249b76730997f9e00614b8113) for - Major rework page splitting (af9b7b560505684249b76730997f9e00614b8113) for
- An "auto-appending" feature upon insertion for both ascending and - An "auto-appending" feature upon insertion for both ascending and
descending key sequences. As a result, the optimality of page filling descending key sequences. As a result, the optimality of page filling
@ -623,7 +628,7 @@ New features:
inserting ordered sequences of keys, inserting ordered sequences of keys,
- A "splitting at middle" to make page tree more balanced on average. - A "splitting at middle" to make page tree more balanced on average.
- Added `mdbx_get_sysraminfo()` to the API. - Added `mdbx_get_sysraminfo()` to the API.
- Added guessing a reasonable maximum DB size for the default upper limit of geometry (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/183). - Added guessing a reasonable maximum DB size for the default upper limit of geometry (https://libmdbx.dqdkfa.ru/dead-github/issues/183).
- Major rework internal labeling of a dirty pages (958fd5b9479f52f2124ab7e83c6b18b04b0e7dda) for - Major rework internal labeling of a dirty pages (958fd5b9479f52f2124ab7e83c6b18b04b0e7dda) for
a "transparent spilling" feature with the gist to make a dirty pages a "transparent spilling" feature with the gist to make a dirty pages
be ready to spilling (writing to a disk) without further altering ones. be ready to spilling (writing to a disk) without further altering ones.
@ -639,7 +644,7 @@ New features:
- Support `make help` to list available make targets. - Support `make help` to list available make targets.
- Silently `make`'s build by default. - Silently `make`'s build by default.
- Preliminary [Python bindings](https://github.com/Thermi/libmdbx/tree/python-bindings) is available now - Preliminary [Python bindings](https://github.com/Thermi/libmdbx/tree/python-bindings) is available now
by [Noel Kuntze](https://github.com/Thermi) (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/147). by [Noel Kuntze](https://github.com/Thermi) (https://libmdbx.dqdkfa.ru/dead-github/issues/147).
Backward compatibility break: Backward compatibility break:
@ -654,22 +659,22 @@ Backward compatibility break:
Fixes: Fixes:
- Fixed performance regression due non-optimal C11 atomics usage (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/160). - Fixed performance regression due non-optimal C11 atomics usage (https://libmdbx.dqdkfa.ru/dead-github/issues/160).
- Fixed "reincarnation" of subDB after it deletion (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/168). - Fixed "reincarnation" of subDB after it deletion (https://libmdbx.dqdkfa.ru/dead-github/issues/168).
- Fixed (disallowing) implicit subDB deletion via operations on `@MAIN`'s DBI-handle. - Fixed (disallowing) implicit subDB deletion via operations on `@MAIN`'s DBI-handle.
- Fixed a crash of `mdbx_env_info_ex()` in case of a call for a non-open environment (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/171). - Fixed a crash of `mdbx_env_info_ex()` in case of a call for a non-open environment (https://libmdbx.dqdkfa.ru/dead-github/issues/171).
- Fixed the selecting/adjustment values inside `mdbx_env_set_geometry()` for implicit out-of-range cases (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/170). - Fixed the selecting/adjustment values inside `mdbx_env_set_geometry()` for implicit out-of-range cases (https://libmdbx.dqdkfa.ru/dead-github/issues/170).
- Fixed `mdbx_env_set_option()` for set initial and limit size of dirty page list ((https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/179). - Fixed `mdbx_env_set_option()` for set initial and limit size of dirty page list ((https://libmdbx.dqdkfa.ru/dead-github/issues/179).
- Fixed an unreasonably huge default upper limit for DB geometry (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/183). - Fixed an unreasonably huge default upper limit for DB geometry (https://libmdbx.dqdkfa.ru/dead-github/issues/183).
- Fixed `constexpr` specifier for the `slice::invalid()`. - Fixed `constexpr` specifier for the `slice::invalid()`.
- Fixed (no)readahead auto-handling (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/164). - Fixed (no)readahead auto-handling (https://libmdbx.dqdkfa.ru/dead-github/issues/164).
- Fixed non-alloy build for Windows. - Fixed non-alloy build for Windows.
- Switched to using Heap-functions instead of LocalAlloc/LocalFree on Windows. - Switched to using Heap-functions instead of LocalAlloc/LocalFree on Windows.
- Fixed `mdbx_env_stat_ex()` to returning statistics of the whole environment instead of MainDB only (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/190). - Fixed `mdbx_env_stat_ex()` to returning statistics of the whole environment instead of MainDB only (https://libmdbx.dqdkfa.ru/dead-github/issues/190).
- Fixed building by GCC 4.8.5 (added workaround for a preprocessor's bug). - Fixed building by GCC 4.8.5 (added workaround for a preprocessor's bug).
- Fixed building C++ part for iOS <= 13.0 (unavailability of `std::filesystem::path`). - Fixed building C++ part for iOS <= 13.0 (unavailability of `std::filesystem::path`).
- Fixed building for Windows target versions prior to Windows Vista (`WIN32_WINNT < 0x0600`). - Fixed building for Windows target versions prior to Windows Vista (`WIN32_WINNT < 0x0600`).
- Fixed building by MinGW for Windows (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/155). - Fixed building by MinGW for Windows (https://libmdbx.dqdkfa.ru/dead-github/issues/155).
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -692,7 +697,7 @@ Removed options and features:
New features: New features:
- Package for FreeBSD is available now by Mahlon E. Smith. - Package for FreeBSD is available now by Mahlon E. Smith.
- New API functions to get/set various options (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/128): - New API functions to get/set various options (https://libmdbx.dqdkfa.ru/dead-github/issues/128):
- the maximum number of named databases for the environment; - the maximum number of named databases for the environment;
- the maximum number of threads/reader slots; - the maximum number of threads/reader slots;
- threshold (since the last unsteady commit) to force flush the data buffers to disk; - threshold (since the last unsteady commit) to force flush the data buffers to disk;
@ -705,7 +710,7 @@ New features:
- maximal part of the dirty pages may be spilled when necessary; - maximal part of the dirty pages may be spilled when necessary;
- minimal part of the dirty pages should be spilled when necessary; - minimal part of the dirty pages should be spilled when necessary;
- how much of the parent transaction dirty pages will be spilled while start each child transaction; - how much of the parent transaction dirty pages will be spilled while start each child transaction;
- Unlimited/Dynamic size of retired and dirty page lists (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/123). - Unlimited/Dynamic size of retired and dirty page lists (https://libmdbx.dqdkfa.ru/dead-github/issues/123).
- Added `-p` option (purge subDB before loading) to `mdbx_load` tool. - Added `-p` option (purge subDB before loading) to `mdbx_load` tool.
- Reworked spilling of large transaction and committing of nested transactions: - Reworked spilling of large transaction and committing of nested transactions:
- page spilling code reworked to avoid the flaws and bugs inherited from LMDB; - page spilling code reworked to avoid the flaws and bugs inherited from LMDB;
@ -715,22 +720,22 @@ New features:
- Added `MDBX_ENABLE_REFUND` and `MDBX_PNL_ASCENDING` internal/advanced build options. - Added `MDBX_ENABLE_REFUND` and `MDBX_PNL_ASCENDING` internal/advanced build options.
- Added `mdbx_default_pagesize()` function. - Added `mdbx_default_pagesize()` function.
- Better support architectures with a weak/relaxed memory consistency model (ARM, AARCH64, PPC, MIPS, RISC-V, etc) by means [C11 atomics](https://en.cppreference.com/w/c/atomic). - Better support architectures with a weak/relaxed memory consistency model (ARM, AARCH64, PPC, MIPS, RISC-V, etc) by means [C11 atomics](https://en.cppreference.com/w/c/atomic).
- Speed up page number lists and dirty page lists (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/132). - Speed up page number lists and dirty page lists (https://libmdbx.dqdkfa.ru/dead-github/issues/132).
- Added `LIBMDBX_NO_EXPORTS_LEGACY_API` build option. - Added `LIBMDBX_NO_EXPORTS_LEGACY_API` build option.
Fixes: Fixes:
- Fixed missing cleanup (null assigned) in the C++ commit/abort (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/143). - Fixed missing cleanup (null assigned) in the C++ commit/abort (https://libmdbx.dqdkfa.ru/dead-github/pull/143).
- Fixed `mdbx_realloc()` for case of nullptr and `MDBX_WITHOUT_MSVC_CRT=ON` for Windows. - Fixed `mdbx_realloc()` for case of nullptr and `MDBX_WITHOUT_MSVC_CRT=ON` for Windows.
- Fixed the possibility to use invalid and renewed (closed & re-opened, dropped & re-created) DBI-handles (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/146). - Fixed the possibility to use invalid and renewed (closed & re-opened, dropped & re-created) DBI-handles (https://libmdbx.dqdkfa.ru/dead-github/issues/146).
- Fixed 4-byte aligned access to 64-bit integers, including access to the `bootid` meta-page's field (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/153). - Fixed 4-byte aligned access to 64-bit integers, including access to the `bootid` meta-page's field (https://libmdbx.dqdkfa.ru/dead-github/issues/153).
- Fixed minor/potential memory leak during page flushing and unspilling. - Fixed minor/potential memory leak during page flushing and unspilling.
- Fixed handling states of cursors's and subDBs's for nested transactions. - Fixed handling states of cursors's and subDBs's for nested transactions.
- Fixed page leak in extra rare case the list of retired pages changed during update GC on transaction commit. - Fixed page leak in extra rare case the list of retired pages changed during update GC on transaction commit.
- Fixed assertions to avoid false-positive UB detection by CLANG/LLVM (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/153). - Fixed assertions to avoid false-positive UB detection by CLANG/LLVM (https://libmdbx.dqdkfa.ru/dead-github/issues/153).
- Fixed `MDBX_TXN_FULL` and regressive `MDBX_KEYEXIST` during large transaction commit with `MDBX_LIFORECLAIM` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/123). - Fixed `MDBX_TXN_FULL` and regressive `MDBX_KEYEXIST` during large transaction commit with `MDBX_LIFORECLAIM` (https://libmdbx.dqdkfa.ru/dead-github/issues/123).
- Fixed auto-recovery (`weak->steady` with the same boot-id) when Database size at last weak checkpoint is large than at last steady checkpoint. - Fixed auto-recovery (`weak->steady` with the same boot-id) when Database size at last weak checkpoint is large than at last steady checkpoint.
- Fixed operation on systems with unusual small/large page size, including PowerPC (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/157). - Fixed operation on systems with unusual small/large page size, including PowerPC (https://libmdbx.dqdkfa.ru/dead-github/issues/157).
## v0.9.2 at 2020-11-27 ## v0.9.2 at 2020-11-27
@ -768,11 +773,11 @@ Fixes:
- Fixed copy&paste typos. - Fixed copy&paste typos.
- Fixed minor false-positive GCC warning. - Fixed minor false-positive GCC warning.
- Added workaround for broken `DEFINE_ENUM_FLAG_OPERATORS` from Windows SDK. - Added workaround for broken `DEFINE_ENUM_FLAG_OPERATORS` from Windows SDK.
- Fixed cursor state after multimap/dupsort repeated deletes (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/121). - Fixed cursor state after multimap/dupsort repeated deletes (https://libmdbx.dqdkfa.ru/dead-github/issues/121).
- Added `SIGPIPE` suppression for internal thread during `mdbx_env_copy()`. - Added `SIGPIPE` suppression for internal thread during `mdbx_env_copy()`.
- Fixed extra-rare `MDBX_KEY_EXIST` error during `mdbx_commit()` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/131). - Fixed extra-rare `MDBX_KEY_EXIST` error during `mdbx_commit()` (https://libmdbx.dqdkfa.ru/dead-github/issues/131).
- Fixed spilled pages checking (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/126). - Fixed spilled pages checking (https://libmdbx.dqdkfa.ru/dead-github/issues/126).
- Fixed `mdbx_load` for 'plain text' and without `-s name` cases (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/136). - Fixed `mdbx_load` for 'plain text' and without `-s name` cases (https://libmdbx.dqdkfa.ru/dead-github/issues/136).
- Fixed save/restore/commit of cursors for nested transactions. - Fixed save/restore/commit of cursors for nested transactions.
- Fixed cursors state in rare/special cases (move next beyond end-of-data, after deletion and so on). - Fixed cursors state in rare/special cases (move next beyond end-of-data, after deletion and so on).
- Added workaround for MSVC 19.28 (Visual Studio 16.8) (but may still hang during compilation). - Added workaround for MSVC 19.28 (Visual Studio 16.8) (but may still hang during compilation).

4
README.md
View File

@ -435,7 +435,7 @@ unexpected or broken down.
### Testing ### Testing
The amalgamated source code does not contain any tests for or several reasons. The amalgamated source code does not contain any tests for or several reasons.
Please read [the explanation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/214#issuecomment-870717981) and don't ask to alter this. Please read [the explanation](https://libmdbx.dqdkfa.ru/dead-github/issues/214#issuecomment-870717981) and don't ask to alter this.
So for testing _libmdbx_ itself you need a full source code, i.e. the clone of a git repository, there is no option. So for testing _libmdbx_ itself you need a full source code, i.e. the clone of a git repository, there is no option.
The full source code of _libmdbx_ has a [`test` subdirectory](https://gitflic.ru/project/erthink/libmdbx/tree/master/test) with minimalistic test "framework". The full source code of _libmdbx_ has a [`test` subdirectory](https://gitflic.ru/project/erthink/libmdbx/tree/master/test) with minimalistic test "framework".
@ -618,7 +618,7 @@ Bindings
| Rust | [libmdbx-rs](https://github.com/vorot93/libmdbx-rs) | [Artem Vorotnikov](https://github.com/vorot93) | | Rust | [libmdbx-rs](https://github.com/vorot93/libmdbx-rs) | [Artem Vorotnikov](https://github.com/vorot93) |
| Rust | [mdbx](https://crates.io/crates/mdbx) | [gcxfd](https://github.com/gcxfd) | | Rust | [mdbx](https://crates.io/crates/mdbx) | [gcxfd](https://github.com/gcxfd) |
| Java | [mdbxjni](https://github.com/castortech/mdbxjni) | [Castor Technologies](https://castortech.com/) | | Java | [mdbxjni](https://github.com/castortech/mdbxjni) | [Castor Technologies](https://castortech.com/) |
| Python (draft) | [python-bindings](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/commits/python-bindings) branch | [Noel Kuntze](https://github.com/Thermi) | Python (draft) | [python-bindings](https://libmdbx.dqdkfa.ru/dead-github/commits/python-bindings) branch | [Noel Kuntze](https://github.com/Thermi)
| .NET (obsolete) | [mdbx.NET](https://github.com/wangjia184/mdbx.NET) | [Jerry Wang](https://github.com/wangjia184) | | .NET (obsolete) | [mdbx.NET](https://github.com/wangjia184/mdbx.NET) | [Jerry Wang](https://github.com/wangjia184) |
<!-- section-end --> <!-- section-end -->

22
TODO.md
View File

@ -11,15 +11,15 @@ For the same reason ~~Github~~ is blacklisted forever.
So currently most of the links are broken due to noted malicious ~~Github~~ sabotage. So currently most of the links are broken due to noted malicious ~~Github~~ sabotage.
- [Engage an "overlapped I/O" on Windows](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/224). - [Engage an "overlapped I/O" on Windows](https://libmdbx.dqdkfa.ru/dead-github/issues/224).
- [Simple careful mode for working with corrupted DB](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/223). - [Simple careful mode for working with corrupted DB](https://libmdbx.dqdkfa.ru/dead-github/issues/223).
- [Move most of `mdbx_chk` functional to the library API](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/204). - [Move most of `mdbx_chk` functional to the library API](https://libmdbx.dqdkfa.ru/dead-github/issues/204).
- [Replace SRW-lock on Windows to allow shrink DB with `MDBX_NOTLS` option](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/210). - [Replace SRW-lock on Windows to allow shrink DB with `MDBX_NOTLS` option](https://libmdbx.dqdkfa.ru/dead-github/issues/210).
- [More flexible support of asynchronous runtime/framework(s)](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/200). - [More flexible support of asynchronous runtime/framework(s)](https://libmdbx.dqdkfa.ru/dead-github/issues/200).
- [Migration guide from LMDB to MDBX](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/199). - [Migration guide from LMDB to MDBX](https://libmdbx.dqdkfa.ru/dead-github/issues/199).
- [Get rid of dirty-pages list in MDBX_WRITEMAP mode](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/193). - [Get rid of dirty-pages list in MDBX_WRITEMAP mode](https://libmdbx.dqdkfa.ru/dead-github/issues/193).
- [Large/Overflow pages accounting for dirty-room](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/192). - [Large/Overflow pages accounting for dirty-room](https://libmdbx.dqdkfa.ru/dead-github/issues/192).
- [Support for RAW devices](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/124). - [Support for RAW devices](https://libmdbx.dqdkfa.ru/dead-github/issues/124).
- [Support MessagePack for Keys & Values](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/115). - [Support MessagePack for Keys & Values](https://libmdbx.dqdkfa.ru/dead-github/issues/115).
- [Engage new terminology](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/137). - [Engage new terminology](https://libmdbx.dqdkfa.ru/dead-github/issues/137).
- Packages for [Astra Linux](https://astralinux.ru/), [ALT Linux](https://www.altlinux.org/), [ROSA Linux](https://www.rosalinux.ru/), etc. - Packages for [Astra Linux](https://astralinux.ru/), [ALT Linux](https://www.altlinux.org/), [ROSA Linux](https://www.rosalinux.ru/), etc.

2
mdbx.h++
View File

@ -287,7 +287,7 @@ namespace mdbx {
// To enable all kinds of an compiler optimizations we use a byte-like type // To enable all kinds of an compiler optimizations we use a byte-like type
// that don't presumes aliases for pointers as does the `char` type and its // that don't presumes aliases for pointers as does the `char` type and its
// derivatives/typedefs. // derivatives/typedefs.
// Please see todo4recovery://erased_by_github/libmdbx/issues/263 // Please see https://libmdbx.dqdkfa.ru/dead-github/issues/263
// for reasoning of the use of `char8_t` type and switching to `__restrict__`. // for reasoning of the use of `char8_t` type and switching to `__restrict__`.
using byte = char8_t; using byte = char8_t;
#else #else

22
src/core.c
View File

@ -5155,7 +5155,7 @@ static int mdbx_iov_write(MDBX_txn *const txn, struct mdbx_iov_ctx *ctx) {
MDBX_page *wp = (MDBX_page *)ctx->iov[i].iov_base; MDBX_page *wp = (MDBX_page *)ctx->iov[i].iov_base;
const MDBX_page *rp = pgno2page(txn->mt_env, wp->mp_pgno); const MDBX_page *rp = pgno2page(txn->mt_env, wp->mp_pgno);
/* check with timeout as the workaround /* check with timeout as the workaround
* for todo4recovery://erased_by_github/libmdbx/issues/269 */ * for https://libmdbx.dqdkfa.ru/dead-github/issues/269 */
while (likely(rc == MDBX_SUCCESS) && while (likely(rc == MDBX_SUCCESS) &&
unlikely(memcmp(wp, rp, ctx->iov[i].iov_len) != 0)) { unlikely(memcmp(wp, rp, ctx->iov[i].iov_len) != 0)) {
if (!timestamp) { if (!timestamp) {
@ -6506,7 +6506,7 @@ __hot static struct page_result mdbx_page_alloc(MDBX_cursor *mc,
catch-up with itself by growing while trying to save it. */ catch-up with itself by growing while trying to save it. */
(mc->mc_flags & C_RECLAIMING) || (mc->mc_flags & C_RECLAIMING) ||
/* avoid (recursive) search inside empty tree and while tree is /* avoid (recursive) search inside empty tree and while tree is
updating, todo4recovery://erased_by_github/libmdbx/issues/31 */ updating, https://libmdbx.dqdkfa.ru/dead-github/issues/31 */
txn->mt_dbs[FREE_DBI].md_entries == 0 || txn->mt_dbs[FREE_DBI].md_entries == 0 ||
/* If our dirty list is already full, we can't touch GC */ /* If our dirty list is already full, we can't touch GC */
(txn->tw.dirtyroom < txn->mt_dbs[FREE_DBI].md_depth && (txn->tw.dirtyroom < txn->mt_dbs[FREE_DBI].md_depth &&
@ -6720,7 +6720,7 @@ no_loose:
/* Stop reclaiming to avoid overflow the page list. /* Stop reclaiming to avoid overflow the page list.
* This is a rare case while search for a continuously multi-page region * This is a rare case while search for a continuously multi-page region
* in a large database. * in a large database.
* todo4recovery://erased_by_github/libmdbx/issues/123 */ * https://libmdbx.dqdkfa.ru/dead-github/issues/123 */
mdbx_notice("stop reclaiming to avoid PNL overflow: %u (current) + %u " mdbx_notice("stop reclaiming to avoid PNL overflow: %u (current) + %u "
"(chunk) -> %u", "(chunk) -> %u",
MDBX_PNL_SIZE(txn->tw.reclaimed_pglist), gc_len, MDBX_PNL_SIZE(txn->tw.reclaimed_pglist), gc_len,
@ -7700,7 +7700,7 @@ __cold int mdbx_thread_unregister(const MDBX_env *env) {
return MDBX_SUCCESS; return MDBX_SUCCESS;
} }
/* check against todo4recovery://erased_by_github/libmdbx/issues/269 */ /* check against https://libmdbx.dqdkfa.ru/dead-github/issues/269 */
static bool meta_checktxnid(const MDBX_env *env, const MDBX_meta *meta, static bool meta_checktxnid(const MDBX_env *env, const MDBX_meta *meta,
bool report) { bool report) {
const txnid_t head_txnid = meta_txnid(env, meta); const txnid_t head_txnid = meta_txnid(env, meta);
@ -7776,7 +7776,7 @@ static bool meta_checktxnid(const MDBX_env *env, const MDBX_meta *meta,
} }
/* check with timeout as the workaround /* check with timeout as the workaround
* for todo4recovery://erased_by_github/libmdbx/issues/269 */ * for https://libmdbx.dqdkfa.ru/dead-github/issues/269 */
static int meta_waittxnid(const MDBX_env *env, const MDBX_meta *meta, static int meta_waittxnid(const MDBX_env *env, const MDBX_meta *meta,
uint64_t *timestamp) { uint64_t *timestamp) {
if (likely(meta_checktxnid(env, meta, !*timestamp))) if (likely(meta_checktxnid(env, meta, !*timestamp)))
@ -7921,8 +7921,7 @@ static int mdbx_txn_renew0(MDBX_txn *txn, const unsigned flags) {
snap == meta_txnid(env, meta) && snap == meta_txnid(env, meta) &&
snap >= atomic_load64(&env->me_lck->mti_oldest_reader, snap >= atomic_load64(&env->me_lck->mti_oldest_reader,
mo_AcquireRelease))) { mo_AcquireRelease))) {
/* workaround for todo4recovery://erased_by_github/libmdbx/issues/269 /* workaround for https://libmdbx.dqdkfa.ru/dead-github/issues/269 */
*/
rc = meta_waittxnid(env, (const MDBX_meta *)meta, &timestamp); rc = meta_waittxnid(env, (const MDBX_meta *)meta, &timestamp);
mdbx_jitter4testing(false); mdbx_jitter4testing(false);
if (likely(rc == MDBX_SUCCESS)) if (likely(rc == MDBX_SUCCESS))
@ -8010,8 +8009,7 @@ static int mdbx_txn_renew0(MDBX_txn *txn, const unsigned flags) {
mdbx_jitter4testing(false); mdbx_jitter4testing(false);
const MDBX_meta *meta = constmeta_prefer_last(env); const MDBX_meta *meta = constmeta_prefer_last(env);
uint64_t timestamp = 0; uint64_t timestamp = 0;
while ( while ("workaround for https://libmdbx.dqdkfa.ru/dead-github/issues/269") {
"workaround for todo4recovery://erased_by_github/libmdbx/issues/269") {
rc = meta_waittxnid(env, (const MDBX_meta *)meta, &timestamp); rc = meta_waittxnid(env, (const MDBX_meta *)meta, &timestamp);
if (likely(rc == MDBX_SUCCESS)) if (likely(rc == MDBX_SUCCESS))
break; break;
@ -11899,7 +11897,7 @@ mdbx_env_set_geometry(MDBX_env *env, intptr_t size_lower, intptr_t size_now,
uint64_t timestamp = 0; uint64_t timestamp = 0;
while ("workaround for " while ("workaround for "
"todo4recovery://erased_by_github/libmdbx/issues/269") { "https://libmdbx.dqdkfa.ru/dead-github/issues/269") {
meta = *head; meta = *head;
rc = meta_waittxnid(env, &meta, &timestamp); rc = meta_waittxnid(env, &meta, &timestamp);
if (likely(rc == MDBX_SUCCESS)) if (likely(rc == MDBX_SUCCESS))
@ -13170,7 +13168,7 @@ __cold int mdbx_env_open(MDBX_env *env, const char *pathname,
} else { } else {
#if MDBX_MMAP_INCOHERENT_FILE_WRITE #if MDBX_MMAP_INCOHERENT_FILE_WRITE
/* Temporary `workaround` for OpenBSD kernel's flaw. /* Temporary `workaround` for OpenBSD kernel's flaw.
* See todo4recovery://erased_by_github/libmdbx/issues/67 */ * See https://libmdbx.dqdkfa.ru/dead-github/issues/67 */
if ((flags & MDBX_WRITEMAP) == 0) { if ((flags & MDBX_WRITEMAP) == 0) {
if (flags & MDBX_ACCEDE) if (flags & MDBX_ACCEDE)
flags |= MDBX_WRITEMAP; flags |= MDBX_WRITEMAP;
@ -20169,7 +20167,7 @@ __cold static int fetch_envinfo_ex(const MDBX_env *env, const MDBX_txn *txn,
const size_t size_before_pgop_stat = offsetof(MDBX_envinfo, mi_pgop_stat); const size_t size_before_pgop_stat = offsetof(MDBX_envinfo, mi_pgop_stat);
/* is the environment open? /* is the environment open?
* (todo4recovery://erased_by_github/libmdbx/issues/171) */ * (https://libmdbx.dqdkfa.ru/dead-github/issues/171) */
if (unlikely(!env->me_map)) { if (unlikely(!env->me_map)) {
/* environment not yet opened */ /* environment not yet opened */
#if 1 #if 1

2
src/mdbx_chk.c
View File

@ -1157,7 +1157,7 @@ int main(int argc, char *argv[]) {
envflags &= ~MDBX_RDONLY; envflags &= ~MDBX_RDONLY;
#if MDBX_MMAP_INCOHERENT_FILE_WRITE #if MDBX_MMAP_INCOHERENT_FILE_WRITE
/* Temporary `workaround` for OpenBSD kernel's flaw. /* Temporary `workaround` for OpenBSD kernel's flaw.
* See todo4recovery://erased_by_github/libmdbx/issues/67 */ * See https://libmdbx.dqdkfa.ru/dead-github/issues/67 */
envflags |= MDBX_WRITEMAP; envflags |= MDBX_WRITEMAP;
#endif /* MDBX_MMAP_INCOHERENT_FILE_WRITE */ #endif /* MDBX_MMAP_INCOHERENT_FILE_WRITE */
break; break;

18
src/osal.c
View File

@ -692,7 +692,7 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const enum mdbx_openfile_purpose purpose,
flags |= O_CLOEXEC; flags |= O_CLOEXEC;
#endif /* O_CLOEXEC */ #endif /* O_CLOEXEC */
/* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */ /* Safeguard for https://libmdbx.dqdkfa.ru/dead-github/issues/144 */
#if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2 #if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
int stub_fd0 = -1, stub_fd1 = -1, stub_fd2 = -1; int stub_fd0 = -1, stub_fd1 = -1, stub_fd2 = -1;
static const char dev_null[] = "/dev/null"; static const char dev_null[] = "/dev/null";
@ -730,7 +730,7 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const enum mdbx_openfile_purpose purpose,
errno = EACCES /* restore errno if file exists */; errno = EACCES /* restore errno if file exists */;
} }
/* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */ /* Safeguard for https://libmdbx.dqdkfa.ru/dead-github/issues/144 */
#if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2 #if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
if (*fd == STDIN_FILENO) { if (*fd == STDIN_FILENO) {
mdbx_warning("Got STD%s_FILENO/%d, avoid using it by dup(fd)", "IN", mdbx_warning("Got STD%s_FILENO/%d, avoid using it by dup(fd)", "IN",
@ -1573,8 +1573,7 @@ MDBX_INTERNAL_FUNC int mdbx_munmap(mdbx_mmap_t *map) {
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current); VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping. * when this memory will re-used by malloc or another mmapping.
* See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203 * See https://libmdbx.dqdkfa.ru/dead-github/pull/93#issuecomment-613687203 */
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address, MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address,
(map->filesize && map->filesize < map->limit) (map->filesize && map->filesize < map->limit)
? map->filesize ? map->filesize
@ -1652,8 +1651,7 @@ MDBX_INTERNAL_FUNC int mdbx_mresize(const int flags, mdbx_mmap_t *map,
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping. * when this memory will re-used by malloc or another mmapping.
* See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203 * See https://libmdbx.dqdkfa.ru/dead-github/pull/93#issuecomment-613687203 */
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address, map->limit); MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address, map->limit);
status = NtUnmapViewOfSection(GetCurrentProcess(), map->address); status = NtUnmapViewOfSection(GetCurrentProcess(), map->address);
if (!NT_SUCCESS(status)) if (!NT_SUCCESS(status))
@ -1932,9 +1930,7 @@ retry_mapview:;
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current); VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping. * when this memory will re-used by malloc or another mmapping.
* See * See https://libmdbx.dqdkfa.ru/dead-github/pull/93#issuecomment-613687203 */
* todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION( MDBX_ASAN_UNPOISON_MEMORY_REGION(
map->address, map->address,
(map->current < map->limit) ? map->current : map->limit); (map->current < map->limit) ? map->current : map->limit);
@ -1954,9 +1950,7 @@ retry_mapview:;
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current); VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping. * when this memory will re-used by malloc or another mmapping.
* See * See https://libmdbx.dqdkfa.ru/dead-github/pull/93#issuecomment-613687203 */
* todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION( MDBX_ASAN_UNPOISON_MEMORY_REGION(
map->address, (map->current < map->limit) ? map->current : map->limit); map->address, (map->current < map->limit) ? map->current : map->limit);

2
test/valgrind_suppress.txt
View File

@ -31,7 +31,7 @@
fun:mdbx_wipe_steady* fun:mdbx_wipe_steady*
} }
# memcmp() inside mdbx_iov_write() as workaround for todo4recovery://erased_by_github/libmdbx/issues/269 # memcmp() inside mdbx_iov_write() as workaround for https://libmdbx.dqdkfa.ru/dead-github/issues/269
{ {
write-page-check-bcmp write-page-check-bcmp
Memcheck:Cond Memcheck:Cond