Change since previous version in pkgsrc:
2020-04-22 Userspace RCU 0.12.1
* Fix: tls-compat.h exposes compiler-dependent public configuration
* Fix: tap array subscript has type char warning
2020-04-09 Userspace RCU 0.12.0
* tls-compat.h: introduce DEFINE_URCU_TLS_INIT
* Use _umtx_op for futex on FreeBSD
* Add FreeBSD, DragonFly to syscall-compat.h
* urcu-bp: perform thread registration on urcu_bp_register_thread
* Require automake >= 1.12
* cds_lfht_is_node_deleted parameter can be marked const
* Fix: provide errno as argument to urcu_die()
* Fix: rculfhash worker needs to unblock to SIGRCU
* Cleanup: test_perthreadlock_timing: handle pthread mutex errors
* Fix: SONAME bump to 6.1.0
* Cleanup: remove unused variable from configure.ac check
* Fix: urcu/futex.h: users of struct timespec should include time.h
2019-05-06 Userspace RCU 0.11.0
* Bump library version to 6:0:1
* Cleanup: update code layout to fix old gcc warning
* Fix: typo CPPLAGS in examples Makefile
* Harmonize pprint macro across projects
* Check for TLS support after CC detection
* Update macros from the autotools archive
* tap-driver.sh: flush stdout after each test result
* Update dead link in lgpl-relicensing.txt
* Add multiflavor compat identifiers
* Cleanup: missing sign compare fixes
* Cleanup: enable signed/unsigned compare compiler warning
* Cleanup: compiler warning on 32-bit architectures
* config.h.in: rename CONFIG_RCU_MULTIFLAVOR to CONFIG_RCU_HAVE_MULTIFLAVOR
* rculfhash: implement iterator debugging config option
* Fix: examples silent rules on Solaris
* Add missing fall through annotations
* Fix: symbol aliases with TLS compat
* Port: no symbols aliases on MacOS
* Add -Wextra to CFLAGS
* Add silent mode to examples Makefiles
* doc: update examples to API changes
* test multiflavor single compile unit
* Update README following API changes
* Use new header locations for includes from urcu code
* Update call-rcu.h and defer.h comments and include guards
* rculfqueue.h: do not include urcu-call-rcu.h
* rculfhash: support use with multiple flavors per compile unit
* rculfhash: do not include urcu-call-rcu.h from public API
* Refactor liburcu to support many flavors per compile unit
* Fix: only wait if work queue is empty in real-time mode
* Fix: don't wait after completion of a work queue job batch
* Fix: don't wait after completion of job batch if work queue is empty
* Fix: workqueue: struct urcu_work vs rcu_head mixup
* Cleanup: workqueue: update comments referring to call-rcu
* Fix: mixup between URCU_WORKQUEUE_RT and URCU_CALL_RCU_RT
* test_rwlock: Add per-thread count to verbose output
* Add *.exe to gitignore for Cygwin
* Fix: pthread_rwlock initialization on Cygwin
* Fix: compat_futex_noasync on Cygwin
* wfcqueue: allow defining CDS_WFCQ_WAIT_SLEEP to override `poll'
* Update documentation for call_rcu before/after fork
* Add support for the RISC-V architecture
* Tests: Add tap-driver.sh for automake < 1.12
* Tests: Replace prove by autotools tap runner
* liburcu-bp: Use membarrier private expedited when available
* liburcu: Use membarrier private expedited when available
* rculfhash: improve error handling of mmap backend
* Fix: don't use overlapping mmap mappings on Cygwin
* Tests fix: errors in shell scripts
* Revert "Use initial-exec tls model"
* Use initial-exec tls model
* Fix: don't use membarrier SHARED syscall command in liburcu-bp
* Tests fix: add missing Cygwin thread id
* Fix: assignment from incompatible pointer type warnings
* Tests fix: unused variable warnings
* Fix: add missing m68k headers to dist
* Bump version to 0.11-pre
2017-06-12 Userspace RCU 0.10.0
* Bump library soname due to urcu flavor structure change
* Cleanup: use mutex_lock() wrapper in rculfhash
* Use workqueue in rculfhash
* Implement urcu workqueues internal API
* Add support for m68k architecture
* Set -Wall globally in AM_CFLAGS
* Fix: remove double use of PTHREAD_CFLAGS
* Re-add PTHREAD_CFLAGS to global CFLAGS
* Fix: Don't override user variables within the build system
* Add report at the end of configure
* uatomic-api docs: use the third-person singular
* Add --enable-rcu-debug to configure
* ARM32: use dmb ish (inner shareable domain) for smp barriers
* Cleanup: remove cmm_wmb() from rcu_xchg_pointer and rcu_cmpxchg_pointer
* Fix: uatomic arm32: add missing release barrier before uatomic_xchg
* Tests: Add verbose support to test script
* Fix: add missing CONFIG_RCU_FORCE_SYS_MEMBARRIER to urcu/config.h.in
* Allow forcing the use of sys membarrier
* Fix: rcutorture: work-around signal issue on mac os x
* Fix: rcutorture should register thread using call_rcu
* Fix: add missing backslash in Makefile.am
* Fix: Do not use wildcards in include/Makefile.am
* Bump version to 0.10-pre
* Fix: check for rand_r() in compat-rand.h
* Fix: Move rand-compat to private src dir
* Fix: remove AC_FUNC_MALLOC from configure.ac
* Cleanup: Re-organise source dir
* Cleanup: remove leftover manual pthread detection
* Fix: update ax_pthread macro to handle newer clang
* Update library current version due to adding destroy API
* Fix: Use pthread_self to get threadid on OSX
* Fix: examples: use destroy API for queues/stacks
* Update library age due to new stack/queue destroy API
* Fix: tests: invoke destroy APIs for queues/stacks
* Fix: add missing destroy functions to queues/stack APIs
* Fix: add missing __cds_wfcq_init for LGPL API
* Fix: memory leak on hash table destroy
* Fix: Add failover for platforms without nproc
* Fix: use clock_get_time for caa_get_cycles fallback on MacOSX
* Fix: syscall-compat.h MacOSX support
* Fix: Add solaris-build.md to dist
* rculfhash: Documentation: clarify need for grace period before "re-using"
* Port: build shared libraries in Cygwin
* Port: fix compatibility header for Cygwin
* Add GNU Hurd support to syscall-compat.h
* Add support for aarch64_be
* Fix: urcu-bp: re-initialize list head on library exit
* bootstrap: Standardize on autoreconf -vi
* Harmonize bootstrap script across projects
* Fix: examples make distcheck failure
* wfcqueue: add C++ compatibility API
* Fix: CDS_WFCQ_WOULDBLOCK typing for c++
* Fix: configure.ac: check for possibly required libs for clock_gettime
* Support for NIOS2 architecture
* urcu_ref_get_safe: introduce new API
* Fix: handle reference count overflow
* Fix: compat_futex should work-around futex signal-restart kernel bug
* Support for Xeon-Phi with newer MPSS
* sparc64: allocate membarrier system call number
* hppa: allocate membarrier system call number
* Fix build on non-Linux Debian ports
* Fix: urcu-signal: smp_mb_master() needs registry lock
* Fix: rculfhash only needs to include urcu-pointers.h
* Fix: out-of-tree benchmark/regtest
* Fix: add missing regtest and benchmark files to dist tarball
* Fix: add missing run.sh to benchmark makefile
2015-10-16 Userspace RCU 0.9.0
* Bump soname major to 4
* Cleanup: remove trailing tab
* Fix: Use proper macro to detect stdbool.h
* Configure: Add missing checks
* Port: Add Solaris build instructions
* Fix: regtest outputs valid TAP protocol
* Port: Detect nproc bin name in benchmark scripts
* Port: Add Solaris getcpu support
* Port: Fixes to build system for portability
* Port: Add Solaris support to tests/common/thread-id.h
* Port: Add Solaris support to urcu/syscall-compat.h
* Port: replace bzero() by memset()
* Port: make bootstrap script work on most shell
* tests: rcutorture: use parameters rather than random
* Fix: only define membarrier system call on Linux
* Refactor tests
* Fix: cast caa_cycles_t to unsigned long long
* caa_get_cycles: caa_ prefix for type, use CLOCK_MONOTONIC
* Cleanup: remove trailing whitespaces at EOL
* Cleanup: move generic caa_get_cycles to arch/generic.h
* tile: allocate membarrier system call number
* ia64: allocate membarrier system call number
* aarch64: allocate membarrier system call number
* powerpc64le: use "ppc" architecture
* arm: allocate membarrier system call number
* s390: allocate membarrier system call number
* ppc: allocate membarrier system call number
* lfstack: relax constraints on node re-use
* Fix: format string signedness
* Cleanup: tests: Branch condition evaluates to a garbage value
* Fix: test: unchecked return value
* Fix: test: side-effect in assertion
* x86: allocate membarrier system call number
* urcu-bp: use sys_membarrier when available
* Cleanup: urcu: remove unused membarrier "group" parameter
* urcu/ref.h: implement urcu_ref_get_unless_zero()
* Fix: compat_futex: uninitialized ret variable
* Fix: compat_futex_noasync: don't override return value
* Fix: dynamic fallback to compat futex on sys_futex ENOSYS
* Detect RCU read-side overflows
* Detect RCU read-side underflows
* Introduce urcu_assert and registration check
* Fix: volatile in assert()
* Update following changes to sys_membarrier ABI
* uatomic: Specify complete types for atomic function calls
* Cleanup: remove unused return value warning from tests
* Fix: handle sys_futex() FUTEX_WAIT interrupted by signal
* Fix: compat_futex.c: *uaddr should be read as volatile
* Cleanup: cast poll delay return value to void
* tests: Convert unit tests to TAP
* Fix: make benchmark test run in oot build
* Fix: call_rcu_thread() affinity failure
* Cleanup: cast poll delay return value to void
* Cleanup: cast poll delay return value to void
* Cleanup: cast poll delay return value to void
* Cleanup: cast poll delay return value to void
* Cleanup: cast poll() return value to void for delays
* urcu: fix deprecation warning with new glibc
* urcu: add cds_list_for_each_entry_safe_from macro
* Fix: deadlock when thread join is issued in read-side C.S.
* Fix: rename RCU_DEBUG to DEBUG_RCU in urcu-qsbr.h
* Cleanup some c99 pedantic warnings
* Mark braced-groups within expressions with __extension__
* Fix: compat_futex_noasync race condition
* tests: Use stderr redirection for time output
* Fix: use space after rpath for OS X ld
* Fix: move transparent union attribute after union declaration for clang
* Configure: add check for used type
* Configure: add missing check of headers
* Configure: add missing check for funcs: memset, strerror
* Fix: documentation: urcu-pointer.h: s/rcu_dereference_pointer/rcu_dereference/
* urcu-bp/urcu-qsbr: remove unneeded DEBUG_YIELD code
* Fix: call rcu should call internal RCU API
* Fix: silence gcc -Wextra warning
* compiler: use __GNUC__ instead of the undefined __GNUC_MAJOR__
* Fix: lfstack reversed empty/non-empty return value
* lfstack: fix: add missing __cds_lfs_init
* wfstack: add missing union parameters
* Fix: preserve example files' timestamps when copying
* wfstack: implement mutex-free wfstack with transparent union
* wfcqueue: Implement mutex-free wfcqueue head with transparent union
* lfstack: Implement mutex-free stack head with transparent union (v2)
* rculfhash: remove duplicated code
* rculfhash: handle pthread_create failures
* rculfhash: fall back to single-threaded resize on calloc failure
* x86: drop extra semi-colon in caa_cpu_relax
* Cleanup: tests: cast console write return value as void
* Modernize doc using Markdown
* Fix: update automake following README to README.md change
* Modernize README using Markdown
* Fix: incorrect parenthesis in cds_hlist_for_each_entry_safe_2
* Fix: Use after free in rcu_barrier()
* Fix: rcu_barrier(): uninitialized futex field
* call_rcu threads should clear their PAUSED flag when they unpause
* test_urcu_fork: test many fork, with 3 children deep
* Update list of supported architectures in README
* Add support for hppa/PA-RISC architecture
* Use autoconf AM_MAINTAINER_MODE
* Use gcc atomics on aarch64/powerpc64le
* Fix: move wait loop increment before first conditional block
* Fix: high cpu usage in synchronize_rcu with long RCU read-side C.S.
* Fix: out of tree build: doc/examples
* Fix: out of tree build tests/common
* tests/unit: use lib rather than source
* automake: Rename INCLUDES to AM_CPPFLAGS (new name)
* tests regressions: use lib rather than recompile from source
* tests: use common lib rather than recompile compat sources
* urcu tests: use lib rather than compile from source
* urcu mb tests: use lib rather than recompile from source
* urcu signal tests: use library rather than recompile source
* tests: move yield debug to common test library
* tests urcu bp: use lib rather than recompile source
* test_urcu_defer: link on urcu lib rather than recompile source
* tests/benchmark: use urcu qsbr lib rather than recompile from source
* Pass the CC variable to the example Makefiles
* Fix: urcu-bp interaction with threads vs constructors/destructors
* x86 barrier for Xeon Phi: use rsp on x86-64
* Set RCU_HAVE_FENCE to false on Intel Xeon Phi
* Fix undefined NULL pointer arithmetic in hlist
* Cleanup: Check for pthread in Libc
* Cleanup: Android: Do not redefine gettid
* Fix undefined NULL pointer arithmetic
* Android: implement rand_r()
* Android: do not redefine gettid on Android
* Android: add a compat layer for 'syscall.h'
* Android: do not link pthread on Android
* Android: configure.ac Android check
* Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
* rculfhash: document max_nr_buckets = 0
* Library major version number (soname) increment to 3
* Fix: tls-compat multi-lib conflict
* Use cross compiler for doc examples
* Add lttng-dev mailing list to readme
* wfcqueue: remove misleading comment
* gcc warning fixes: -Wsign-compare and -Wextra
* Fix: urcu-qsbr: reversed logic on RCU_DEBUG
* Fix: urcu-bp segfault in glibc pthread_kill()
* Fix urcu-bp: don't move registry
* Fix: compat futex duplicated lock and completion
* Fix: i386 compat code duplicated mutex instances
* Fix: urcu-bp: Bulletproof RCU arena resize bug
* Fix: test_mutex.c uninitialized mutex
