v0.4.0-libbpf-1.0.0

v0.4.0-libbpf-1.0.0

This release of libbpfgo now provides official support for libbpf v1.0.0

Breaking Changes

• CompareKernelRelease helper now has two returns (adding an error, using a typed return) #232
• SocketOption Parsing has a few changes to its API. (#203)
  • The type SocketOptionArgument is now a struct (previous uint64), which affects all related constants
  • ParseSocketOption has been removed and replaced by ParseSetSocketOption and ParseGetSocketOption

Fixes to parsing of getsockopt/setsockopt options argument (#203)

New features

• Accessor functions like BPFMap.GetFd(), BPFMap.GetName(), BPFMap.GetPinPath(),... are now aliases of functions without 'get' (#230)
• Support for legacy cgroup attachment (#214)
• Helpers and constants for parsing bpf program type (#209)
• Added AttachNetns API to wrap bpf_program__atach_netns (#205 - Thanks @mozillazg!)

Improvements/Fixes

• libbpfgo will not bump rlimit_memlock anymore, libbpf handles this automatically now
• New selftests - attaching to cgroups and cgroup-legacy (#204, #214) - Thanks @mozillazg!
• Makefile target for running unit tests in helpers #212
• Fixes to parsing of getsockopt/setsockopt options argument (#203) - see breaking changes
• RWArray helpers are now in their own package (#202)
• Error handling fixes to Batch functions (#198, #199)