Revert to std::shared_mutex from boost::shared_mutex#5576
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## develop #5576 +/- ##
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Coverage 78.4% 78.4%
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Files 816 816
Lines 71711 71711
Branches 8579 8579
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+ Hits 56242 56243 +1
+ Misses 15469 15468 -1
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vlntb
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Jul 21, 2025
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Both implementations deliver similar performance (implementation based on atomics). Given that we’re not using upgradeable locks unique to boost version, I support switching to the standard‐library std::shared_mutex.
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…refactoring-1 * upstream/develop: (56 commits) Remove `include(default)` from libxrpl profile (#5587) refactor: Change boost::shared_mutex to std::shared_mutex (#5576) Fix macos runner (#5585) Remove the type filter from "ledger" RPC command (#4934) refactor: Update date, libarchive, nudb, openssl, sqlite3, xxhash packages (#5567) test: Run unit tests regardless of 'Supported' amendment status (#5537) Retire Flow Cross amendment (#5562) chore: Update CI to use Conan 2 (#5556) fixAMMClawbackRounding: adjust last holder's LPToken balance (#5513) chore: Add gcc-12 workaround (#5554) Add MPT related txns into issuer's account history (#5530) chore: Remove unused headers (#5526) fix: add allowTrustLineLocking flag for account_info (#5525) Downgrade required CMake version for Antithesis SDK (#5548) fix: Link with boost libraries explicitly (#5546) chore: Fix compilation error with clang-20 and cleanup (#5543) test: Remove circular jtx.h dependencies (#5544) Decouple CredentialHelpers from xrpld/app/tx (#5487) fix: crash when trace-logging in tests (#5529) test: switch some unit tests to doctest (#5383) ...
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…actoring-2 * ximinez/lending-refactoring-1: (57 commits) Fix formatting Remove `include(default)` from libxrpl profile (#5587) refactor: Change boost::shared_mutex to std::shared_mutex (#5576) Fix macos runner (#5585) Remove the type filter from "ledger" RPC command (#4934) refactor: Update date, libarchive, nudb, openssl, sqlite3, xxhash packages (#5567) test: Run unit tests regardless of 'Supported' amendment status (#5537) Retire Flow Cross amendment (#5562) chore: Update CI to use Conan 2 (#5556) fixAMMClawbackRounding: adjust last holder's LPToken balance (#5513) chore: Add gcc-12 workaround (#5554) Add MPT related txns into issuer's account history (#5530) chore: Remove unused headers (#5526) fix: add allowTrustLineLocking flag for account_info (#5525) Downgrade required CMake version for Antithesis SDK (#5548) fix: Link with boost libraries explicitly (#5546) chore: Fix compilation error with clang-20 and cleanup (#5543) test: Remove circular jtx.h dependencies (#5544) Decouple CredentialHelpers from xrpld/app/tx (#5487) fix: crash when trace-logging in tests (#5529) ...
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…actoring-3 * ximinez/lending-refactoring-2: (57 commits) Fix formatting Remove `include(default)` from libxrpl profile (#5587) refactor: Change boost::shared_mutex to std::shared_mutex (#5576) Fix macos runner (#5585) Remove the type filter from "ledger" RPC command (#4934) refactor: Update date, libarchive, nudb, openssl, sqlite3, xxhash packages (#5567) test: Run unit tests regardless of 'Supported' amendment status (#5537) Retire Flow Cross amendment (#5562) chore: Update CI to use Conan 2 (#5556) fixAMMClawbackRounding: adjust last holder's LPToken balance (#5513) chore: Add gcc-12 workaround (#5554) Add MPT related txns into issuer's account history (#5530) chore: Remove unused headers (#5526) fix: add allowTrustLineLocking flag for account_info (#5525) Downgrade required CMake version for Antithesis SDK (#5548) fix: Link with boost libraries explicitly (#5546) chore: Fix compilation error with clang-20 and cleanup (#5543) test: Remove circular jtx.h dependencies (#5544) Decouple CredentialHelpers from xrpld/app/tx (#5487) fix: crash when trace-logging in tests (#5529) ...
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…actoring-4 * ximinez/lending-refactoring-3: (61 commits) fixup! Rename Transactor preflight functions Rename Transactor preflight functions fixup! Make preflight1 and preflight2 private static Transactor functions Make preflight1 and preflight2 private static Transactor functions Fix formatting Remove `include(default)` from libxrpl profile (#5587) refactor: Change boost::shared_mutex to std::shared_mutex (#5576) Fix macos runner (#5585) Remove the type filter from "ledger" RPC command (#4934) refactor: Update date, libarchive, nudb, openssl, sqlite3, xxhash packages (#5567) test: Run unit tests regardless of 'Supported' amendment status (#5537) Retire Flow Cross amendment (#5562) chore: Update CI to use Conan 2 (#5556) fixAMMClawbackRounding: adjust last holder's LPToken balance (#5513) chore: Add gcc-12 workaround (#5554) Add MPT related txns into issuer's account history (#5530) chore: Remove unused headers (#5526) fix: add allowTrustLineLocking flag for account_info (#5525) Downgrade required CMake version for Antithesis SDK (#5548) fix: Link with boost libraries explicitly (#5546) ...
ximinez
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…actoring-4 * ximinez/lending-refactoring-3: (61 commits) fixup! Rename Transactor preflight functions Rename Transactor preflight functions fixup! Make preflight1 and preflight2 private static Transactor functions Make preflight1 and preflight2 private static Transactor functions Fix formatting Remove `include(default)` from libxrpl profile (#5587) refactor: Change boost::shared_mutex to std::shared_mutex (#5576) Fix macos runner (#5585) Remove the type filter from "ledger" RPC command (#4934) refactor: Update date, libarchive, nudb, openssl, sqlite3, xxhash packages (#5567) test: Run unit tests regardless of 'Supported' amendment status (#5537) Retire Flow Cross amendment (#5562) chore: Update CI to use Conan 2 (#5556) fixAMMClawbackRounding: adjust last holder's LPToken balance (#5513) chore: Add gcc-12 workaround (#5554) Add MPT related txns into issuer's account history (#5530) chore: Remove unused headers (#5526) fix: add allowTrustLineLocking flag for account_info (#5525) Downgrade required CMake version for Antithesis SDK (#5548) fix: Link with boost libraries explicitly (#5546) ... Co-authored-by: Bronek Kozicki <brok@incorrekt.com>
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Description
This PR proposes reverting the usage of boost::shared_mutex back to std::shared_mutex.
Background
As detailed in issue #3663,
boost::shared_mutexwas originally introduced as a workaround for a bug in glibc 2.28 and older versions, which could cause threads usingstd::shared_mutexto stall. This issue primarily affected Ubuntu 18.04 and earlier distributions.The bug was subsequently fixed in glibc 2.29. Given that the targeted operating systems are no longer on versions affected by this issue, this workaround is likely no longer necessary.
Interestingly,
Manifest.hcurrently usesstd::shared_mutex, suggesting that the conversion to the Boost version was not applied universally.High Level Overview of Change
Context of Change
Type of Change
.gitignore, formatting, dropping support for older tooling)API Impact
libxrplchange (any change that may affectlibxrplor dependents oflibxrpl)