7.8.2

Changes

• Eliminate 'atomic_thread_fence is unsupported with tsan' gcc-11 warning
• Eliminate 'comparing signed/unsigned values' lcc warning in add_chunk_as
• Fix 'undefined reference to AO_pt_lock' if configure is using clang-16
• Fix 'undefined reference to __atomic_load/store/cas_16' Mingw64-gcc error
• Fix 'undefined reference' linker errors if shared build on OpenBSD (CMake)
• Fix get_chunk for case of mmap area is located before AO_initial_heap
• Fix typo in AO_HAVE_compare_and_swap_double name in atomic_ops_stack.h
• Fix typo in comment of run_one_test of test_stack
• Fix typos in comments of atomic_ops_malloc.c and atomic_ops_stack.c/h
• Update cmake minimum required version to 3.5

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Distribution Tarball

libatomic_ops-7.8.2.tar.gz (see the Assets, md5: d07b3d8369d7f9efdca59f7501dd1117)

7.6.16

Changes

• Eliminate 'atomic_thread_fence is unsupported with tsan' gcc-11 warning
• Eliminate 'comparing signed/unsigned values' lcc warning in add_chunk_as
• Fix 'undefined reference to AO_pt_lock' if configure is using clang-16
• Fix 'undefined reference to __atomic_load/store/cas_16' Mingw64-gcc error
• Fix get_chunk for case of mmap area is located before AO_initial_heap
• Fix typo in AO_HAVE_compare_and_swap_double name in atomic_ops_stack.h
• Fix typos in comments of atomic_ops_malloc.c and atomic_ops_stack.c/h

Build status

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Distribution Tarball

libatomic_ops-7.6.16.tar.gz (see the Assets, md5: 27a2aef8ee847703219192554e205fbe)

7.4.20

Changes

• Eliminate 'comparing signed/unsigned values' lcc warning in add_chunk_as
• Fix get_chunk for case of mmap area is located before AO_initial_heap
• Fix typo in AO_HAVE_compare_and_swap_double name in atomic_ops_stack.h
• Fix typos in comments of atomic_ops_malloc.c and atomic_ops_stack.c/h

Build status

Travis CI build
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Distribution Tarball

libatomic_ops-7.4.20.tar.gz (see the Assets, md5: 20a8d6d7f2ee6f0b5246bf3ae8f0f259)

7.2l

Changes

• Fix get_chunk for case of mmap area is located before AO_initial_heap
• Fix typo in AO_HAVE_compare_and_swap_double name in atomic_ops_stack.h
• Fix typos in comments of atomic_ops_malloc.c and atomic_ops_stack.c/h

Build status

Travis CI build
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Distribution Tarball

libatomic_ops-7.2l.tar.gz (see the Assets, md5: 539b859fa7dc3905e4b44484ea93b15d)

7.8.0

Changes

• Add AUTHORS file to the list of installed documentation
• Add goal to Makefile.msft to build all tests but not execute them
• Allocate marks[] dynamically and report all found errors in test_stack
• Always export stack_init/push_release/pop_acquire from atomic_ops_gpl
• Always use 'mfence' for nop_full if target CPU supports SSE2 (MS VC/x86)
• Avoid 'cast increases required alignment' warnings in atomic_ops_malloc.c
• Avoid breaking strict-aliasing rules in test_malloc and test_stack
• Avoid code duplication in AO_stack_push_explicit_aux_release
• Better document test_stack internals
• Build atomic_ops.lib by Makefile.msft (MS VC)
• Build test object and executable files in tests folder (MS VC)
• Define AO_stack_t uniformly
• Define double_compare_and_swap_full if MS VS 2017+ (x86)
• Do not expose AO_REAL_HEAD/NEXT_PTR implementation in header by default
• Document config macros in README_win32 and remove them from configure
• Eliminate 'function is never used' cppcheck warning for AO_stack_init
• Enforce most strict level of compiler warnings (MS VC)
• Ensure atomic_ops.c global symbols are always declared as extern 'C'
• Explicitly outline symbols exported in AO shared libraries with AO_API
• Hide AO_free_list symbol
• Implement AO_stack_init using memset
• Implement AO_test_and_set using InterlockedExchange8 (MS VC)
• Implement and/or/xor for AO_t, short and int types (MS VC)
• Implement nf/acq/rel variants of primitives on Windows RT (MS VC)
• Mention MIT near core library licensing terms in LICENSE file
• Move all README_*.txt and license files to the top folder
• Move all non-double intrinsic-based primitives to msftc/common32_defs.h
• Move gcc-4/alpha workaround outside AO_stack_pop_explicit_aux_acquire
• New AO_stack_is_lock_free API function
• New configure option (--disable-gpl) to skip building of libatomic_ops_gpl
• Print message of almost-lock-free implementation in test_stack if used
• Refine LICENSE and README about code parts covered by MIT and GPL-2.0
• Refine copyright terms in GPL source files
• Reformat atomic_ops_stack.c/h files
• Remove 'lib' prefix for atomic_ops_gpl.lib in Makefile.msft
• Remove redundant assert in AO_stack_pop_explicit_aux_acquire
• Remove redundant cast to AO_t in lock-free AO_stack_pop_acquire
• Rename LICENSING.txt to LICENSE file
• Rename VERBOSE macro to VERBOSE_STACK in test_stack (refactoring)
• Rename fetch_and_add to fetch_then_add in test_stack (refactoring)
• Replace obsolete AC_HELP_STRING with AS_HELP_STRING in configure
• Replace obsolete AC_TRY_COMPILE with AC_COMPILE_IFELSE in configure
• Split test_stack main into several functions (refactoring)
• Support Elbrus 2000 (gcc/e2k)
• Support build with CMake
• Support double-wide CAS on armv7+ and UWP/arm64 (MS VC)
• Support test_atomic with MS build w/o the need to run GNU make first
• Use GCC atomic intrinsics for SPARC
• Use builtin_expect in AO_stack_push_explicit_aux_release

Build status

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Distribution Tarball

libatomic_ops-7.8.0.tar.gz (see the Assets, md5: a7e51e8041c3e60c298c037b2789c3fa)

7.6.14

Changes

• Add note to README that AO malloc code has same license as AO stack
• Adjust/reformat content of LICENSING.txt
• Avoid AO_stack_t to cross CPU cache line boundary
• Do not assume 'ordered except earlier write' for UWP/arm64
• Do not name GCC intrinsics as C11 ones in ChangeLog and configure
• Eliminate '-pedantic is not option that controls warnings' GCC-6.3 message
• Ensure result of AO_test_and_set is always AO_TS_CLEAR or AO_TS_SET
• Fix 'AO_malloc redefinition' MS VC warning caused by attributes mismatch
• Fix 'use of undeclared SIG_BLOCK' Clang error if -std=c89 on Cygwin
• Fix AO_compare_and_swap_full asm code for clang on sparc
• Fix a typo in comment of AO_stack_push_explicit_aux_release
• Fix code indentation in main() of test_stack.c
• Refine AO_UNIPROCESSOR macro description in configure
• Remove outdated comment about unsupported Win64 in atomic_ops_stack.h
• Repeat black list check on CAS fail in stack_push_explicit_aux_release

Build status

Travis CI build
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Coveralls status (code coverage)

Distribution Tarball

libatomic_ops-7.6.14.tar.gz (see the Assets, md5: ee8251f5091b7938d18be4dda843a515)

7.4.18

Changes

• Avoid AO_stack_t to cross CPU cache line boundary
• Do not assume 'ordered except earlier write' for UWP/arm64
• Ensure result of AO_test_and_set is always AO_TS_CLEAR or AO_TS_SET
• Fix 'use of undeclared SIG_BLOCK' Clang error if -std=c89 on Cygwin
• Fix a typo in comment of AO_stack_push_explicit_aux_release
• Fix code indentation in main of test_stack.c
• Remove outdated comment about unsupported Win64 in atomic_ops_stack.h
• Repeat black list check on CAS fail in stack_push_explicit_aux_release

Build status

Travis CI build
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Distribution Tarball

libatomic_ops-7.4.18.tar.gz (see the Assets, md5: 8664722bcb476f92c070fc69fa32392f)

7.2k

Changes

• Avoid AO_stack_t to cross CPU cache line boundary
• Fix a typo in comment of AO_stack_push_explicit_aux_release
• Fix code indentation in main of test_stack.c
• Remove outdated comment about unsupported Win64 in atomic_ops_stack.h
• Repeat black list check on CAS fail in stack_push_explicit_aux_release

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

libatomic_ops-7.2k.tar.gz (see the Assets, md5: eb5e5bae1edf4466961e30d91ec3e617)

7.6.12

Changes

• Allow to generalize bool-CAS for sparc (gcc)
• Declare argument of AO_load_next with const in atomic_ops_stack
• Describe double_compare_and_swap operation in README_details
• Document CAS operations better in README_details
• Fix gcc/sunc x86 AO_compare_double_and_swap_double missing side effect
• Fix library name in README_details
• Fix link fail caused by missing GCC char/short atomic primitives on riscv64
• Fix size of local variable passed to cas[x] (gcc/sparc)
• Implement fetch-CAS for sparc (gcc)
• Refactor gcc x86 memory constraints
• Refine and reformat description of size prefix in README_details
• Remove outdated notes in README_details
• Replace x86 setz instruction by asm flag output operand (gcc)
• Support MSYS host (configure)
• Turn off compare_double_and_swap_double_full PIC hack for GCC 5+ (x86)
• Update README_win32 to match Makefile.msft
• Use GCC atomic intrinsics for s390x (clang 8.0+ and gcc 5.4+)
• Use __alignof__ instead of sizeof in atomic variable alignment assertions
• Workaround assertion violation in AO_load/store on m68k

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Distribution Tarball

libatomic_ops-7.6.12.tar.gz (see the Assets, md5: 0b0b88da4bde5dd770daea3146e78359)

7.4.16

Changes

• Fix gcc/sunc x86 AO_compare_double_and_swap_double missing side effect
• Fix library name in README_details
• Fix size of local variable passed to cas[x] (gcc/sparc)
• Workaround assertion violation in AO_load/store on m68k

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

libatomic_ops-7.4.16.tar.gz (see the Assets above, md5: f75f3c5487e0a02f5fd43dbe20e4803c)