Release v0.4.0

Changed

• Add orb_event_poll interface to achieve high performance similar to linux epoll function
• Add EventLoop class to implement the event processing paradigm of the topic + callback function
• Use intrusive linked lists to replace data structures such as std::set to reduce dependence on the C++ standard library

For more release notes, see CHANGELOG.md

Release v0.3.1

Fixed

• Improve semaphore acquisition logic based on timeout value

For more release notes, see CHANGELOG.md

Release v0.3.0

Added

• Support custom uorb listener port
• Add ORB_QUEUE_SIZE to the orb_metadata structure
• Automatically configures the queue according to the topic's metadata
• Support macos platform
  • Make ConditionVariable support macos platform
  • Add unit test for ConditionVariable
  • Remove the functional interface of the wait_until class in ConditionVariable, which is not actually a commonly used interface

Changed

• Make the tcp listener library use the uorb::listener namespace
• ORB_ID(name) uses a global pointer variable instead of a global function
• msg_gen: Add dependent python libraries to reduce usage complexity
• compile: Simplify cmake scripts
  • Add cmake policy configuration file: cmake/policy.cmake
  • Add CMP0135 cmake strategy to prevent warning when downloading google test library
  • Add googletest download script: cmake/googletest.cmake
  • Add a cmake macro to get the git version: cmake/git_version.cmake

Fixed

• topic_listener: when NDEBUG is defined, the judgment in assert will be optimized away

For more release notes, see CHANGELOG.md