cpp-ipc Files

🎉 Release v1.4.0

This release includes FreeBSD platform support, comprehensive test suite refactoring, important bug fixes, and new cleanup interfaces.

---

🚀 Major Features

FreeBSD Platform Support (#156, [#158], [#160], [#161])

• ✅ Full FreeBSD platform support with POSIX implementation
• 🔧 Fixed all POSIX semaphore naming issues for FreeBSD compatibility
• 🔧 Fixed robust mutex EOWNERDEAD handling
• 🔧 Resolved C++17 compilation errors on FreeBSD GCC 13.3
• 🔧 Fixed segfault in mutex destruction
• 🔧 Fixed mutex unlock timing for multi-run stability
• 🔧 Fixed shm_unlink failures with proper '/' prefix handling

Comprehensive Unit Test Suite (#159)

• 📦 Complete test refactoring with comprehensive coverage
• ✅ New tests for: buffer, shm, mutex, semaphore, condition, locks, route, channel
• 🎯 Improved test quality with proper edge case handling
• 📝 Better test documentation and semantics

Windows Shared Memory Reference Counting

• 🔢 Implemented full reference counting for Windows shared memory
• ✅ Now matches POSIX behavior
• 🔧 Fixed all reference counting tests on Windows

---

🔧 Bug Fixes

Critical Fixes

• 🐛 Fixed double-free bugs in shared memory tests
• 🐛 Fixed segfault in EOWNERDEAD handling
• 🐛 Fixed FreeBSD segfault by unlocking mutex before destruction
• 🐛 Fixed mutex unlock timing to avoid interfering with other references
• 🐛 Fixed ODR violations in get_wait_time inline functions
• 🐛 Fixed namespace conflicts with predefined 'linux' macro

Buffer Improvements

• 🔧 Removed const from char constructor to prevent undefined behavior
• 🔧 Removed redundant const qualifier in array constructor
• 🔧 Renamed 'additional' parameter to 'mem_to_free' for clarity

Test Fixes

• 🔧 Fixed receiver loop count in MultipleSendersReceivers test
• 🔧 Corrected test logic in multiple test cases
• 🔧 Fixed id_t ambiguity in test_shm.cpp
• 🔧 Replaced C++17 structured bindings with C++14 compatible code
• 🔧 Changed test indentation from 4 spaces to 2 spaces

Platform Compatibility

• 🔧 Fixed permission issues under Linux (#139)
• 🔧 Fixed MinGW compatibility - use lowercase windows.h (#157)
• 🔧 Improved POSIX shared memory error logging

---

✨ Enhancements

Cleanup Interfaces

• 🧹 Added cleanup interfaces for shared memory handles
• 🧹 Added cleanup interfaces for queue
• 🧹 Added cleanup interfaces for synchronization facilities
• 🧹 Added cleanup interfaces for waiter
• 🧹 Added clear_storage for queue
• 🧹 Added cleanup interfaces for ipc channel

Connection Management (#145, [#148])

• 🔌 Fixed connection slot full判断错误 (#145)
• 🔌 Fixed issues [#107] and [#123] - receiver checks connection when pop fails
• 🔌 In non-broadcast mode, connection tags are only used for counting

Build System

• 📦 Added PACKAGE_VERSION
• 📦 Added cpp-ipc-targets
• 📦 Updated CMakeLists.txt for new test structure

Code Quality

• 🎨 Improved name handling in shm_posix.cpp to match semaphore pattern
• 🎨 Improved emplace construction for shm_data in mutex.h
• 🎨 Removed redundant self-assignment in shm_win.cpp
• 📝 Added semantic comments for release/remove operations

---

📊 Test Coverage

All tests now pass on: - ✅ Linux (GCC, Clang) - ✅ Windows (MSVC, MinGW) - ✅ FreeBSD (GCC 13.3) - ✅ QNX (POSIX)

---

🙏 Contributors

Special thanks to all contributors who made this release possible: - @mutouyun - FreeBSD support, test refactoring, numerous bug fixes - @cscd98 - MinGW compatibility (#157) - @johnwongx - Connection slot fix (#145) - @aengusjiang - POSIX shm error logging improvements (#139) - @yonker-yk - Connection management improvements (#148)

---

📝 Commits in This Release

This release contains 64 commits with improvements across the entire codebase.

Detailed Changelog

For a complete list of changes, see the commit history.

---

🔗 Links

• Documentation
• Issue Tracker
• Pull Requests

---

⬆️ Upgrading

This release is backward compatible with v1.3.0. Simply update your dependency to v1.4.0.

Breaking Changes

None

Deprecations

None

---

Full Changelog: https://github.com/mutouyun/cpp-ipc/compare/v1.3.0...v1.4.0