7.4.14

Changes

• Cleanup BCC Makefile (remove absolute GC paths, fix del cmd, update clean)
• Do not call GC_dirty_inner unless GC_incremental
• Eliminate 'cast between incompatible function types' compiler warning
• Eliminate 'comparing signed and unsigned values' compiler warnings (bcc)
• Eliminate 'language extension used' Clang warning in gc.h
• Eliminate 'possibly incorrect assignment in CORD_vsprintf' compiler warning
• Eliminate 'switch statement contains no case label' compiler warning
• Eliminate 'variable might be uninitialized' warning in win32_start_inner
• Eliminate duplicate clear_mark_bit call when removing disappearing link
• Fix 'collecting from unknown thread' abort in leak-finding mode
• Fix compilation by digimars.mak (DMC) and by WCC makefile
• Fix cords for MANUAL_VDB
• Fix dependency on gc_cpp source in BCC_MAKEFILE and NT_MAKEFILE
• Fix gctest in leak-finding mode
• Fix missing GC_dirty calls for GC-allocated objects used internally
• Fix missing GC_dirty invocation from debug_end_stubborn_change
• Fix multi-threaded gctest for the case of NTHREADS is set to zero
• Fix typos in ChangeLog and generic_malloc
• Keep pointer to the start of previous entry in remove_specific_after_fork
• New API function (GC_is_init_called) to check if BDWGC is initialized
• Remove code duplication in gcj_malloc and malloc_explicitly_typed
• Remove duplicate local variable in reclaim_block
• Remove libatomic_ops license information from README
• Workaround 'dynamic exception specifications deprecated in C++11' warning

Also, includes 7.2l changes

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.4.14.tar.gz (see the Assets above, md5: 693ed1efc25e04a7a1113477800c2033)

7.2l

Changes

• Fix 'pointer arithmetic with NULL' code defect in print_callers
• Fix Borland version in documentation to match that in BCC_MAKEFILE
• Fix comment about inv_sz computation in setup_header
• Fix comments style in configure.ac and Makefile.am
• Fix GC_is_valid_displacement and GC_is_visible for non-small objects
• Fix global operator delete definition for C++14 in gc_cpp
• Fix infinite restarting of mark_some when a static root disappeared (Linux)
• Fix large object base computation in PUSH_CONTENTS() if MARK_BIT_PER_OBJ
• Fix mark stack overflow checking in push_selected
• Fix MSWIN32 macro redefinition (WCC)
• Fix potential null dereference in GC_CONS
• Fix register_dynamic_libraries on Windows 10
• Fix result computation in n_set_marks
• Fix return type in GC_set_warn_proc API documentation
• Fix typo in comment for CORD_ec_flush_buf prototype
• Fix typos in ChangeLog
• Fix VirtualQuery call in case of malloc failure (Win32)
• Install gc.3 man page instead of copying gc.man to doc folder (configure)
• Perform thread_suspend in loop as it may be interrupted (Darwin)
• Workaround 'template-id not supported in this context' compiler error (WCC)

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.2l.tar.gz (see the Assets above, includes a copy of libatomic_ops-7.2i, md5: f4850e5c621cf92f14fff183a7abb450)

7.6.6

Changes

• Define GC_FREEBSD_THREADS and GC_ADD_CALLER macros for kFreeBSD
• Eliminate 'boolean result used in bitwise operation' cppcheck warning
• Eliminate 'there is pointer arithmetic with NULL' cppcheck warning
• Explicitly unblock GC signals on GC initialization
• Fix 'scope of var can be reduced' cppcheck err in enqueue_all_finalizers
• Fix 'undefined reference to __builtin_unwind_init' linker error (ArmCC)
• Fix arguments delimiter in pcr_interface.c (PCR)
• Fix assertion violation in DllMain of win32_threads
• Fix comment for debug_generic_malloc_inner[_ignore_off_page]
• Fix data race during apply_to_each_object(reset_back_edge)
• Fix dbg_mlc.c/o file name in documentation
• Fix gctest with musl libc on s390x
• Fix include gc_gcj.h in thread_local_alloc.c
• Fix man section number (3)
• Fix missing GC_generic_malloc_words_small implementation in new_gc_alloc.h
• Fix missing new-line in ABORT_ARG definition
• Fix missing SIGBUS handler setup for kFreeBSD
• Fix null dereference in print_callers on backtrace_symbols failure
• Fix null pointer dereference in get_private_path_and_zero_file (Symbian)
• Fix the collector hang when it is configured with --enable-gc-debug
• Fix thread_suspend fail for threads registered from key destructor (OS X)
• Fix type of local variables receiving result of PHT_HASH
• Fix typo in AIX macro name
• Fix typo in comment in specific.h
• Fix unbounded heap growth in case of intensive disappearing links usage
• Remove API symbols renaming in WCC_MAKEFILE
• Support Haiku/amd64 and Haiku/x86 hosts
• Support threads for DragonFly in configure
• Workaround 'address of auto-variable returned' cppcheck error
• Workaround gctest hang on kFreeBSD (if thread-local allocations are on)

Build status

Travis CI build
AppVeyor CI build
Coveralls status (code coverage)

Distribution Tarball

gc-7.6.6.tar.gz (see the Assets above, md5: c3df4f64f61433f6688ce9257a71fad4)

7.4.12

Changes

• Define GC_FREEBSD_THREADS and GC_ADD_CALLER macros for kFreeBSD
• Fix comment for debug_generic_malloc_inner[_ignore_off_page]
• Fix gctest with musl libc on s390x
• Fix missing new-line in ABORT_ARG definition
• Fix null pointer dereference in get_private_path_and_zero_file (Symbian)
• Fix type of local variables receiving result of PHT_HASH
• Remove API symbols renaming in WCC_MAKEFILE

Also, includes 7.2k changes

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.4.12.tar.gz (see the Assets above, md5: 542f44ee3f348eb8213406a616ce0263)

7.2k

Changes

• Fix arguments delimiter in pcr_interface.c (PCR)
• Fix assertion violation in DllMain of win32_threads
• Fix data race during apply_to_each_object(reset_back_edge)
• Fix dbg_mlc.c/o file name in documentation
• Fix include gc_gcj.h in thread_local_alloc.c
• Fix man section number (3)
• Fix missing GC_generic_malloc_words_small implementation in new_gc_alloc.h
• Fix missing SIGBUS handler setup for kFreeBSD
• Fix null dereference in print_callers on backtrace_symbols failure
• Fix the collector hang when it is configured with --enable-gc-debug
• Fix thread_suspend fail for threads registered from key destructor (OS X)
• Fix typo in AIX macro name
• Fix typo in comment in specific.h

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.2k.tar.gz (see the Assets above; includes a copy of libatomic_ops-7.2i, md5: b7fd911c76f5b64d378a9db729b900ed)

7.6.4

Changes

• Add note of set_free_space_divisor, set_warn_proc ABI change after gc-7.1
• Change compiler invocation example in gc.man to use dynamic libgc
• Delete dont_ar_* build intermediate files on make clean (Makefile.direct)
• Do not declare dl_iterate_phdr as weak for DragonFly
• Fix 'cords' parallel build in Makefile.direct
• Fix 'undeclared identifier USRSTACK' compiler error on OpenBSD-6.2
• Fix error code in abort message if sem_wait failed in start_world (NetBSD)
• Fix GC allocation mutex in child after a fork
• Fix global operator delete definition for C++14 in gc_cpp
• Fix last_reclaimed..gc_no interval comparison to threshold in unmap_old
• Fix libgc version which was changed in linkage breaking way
• Fix missing EOLn output in threadlibs tool
• Fix threadlibs tool to output '-lpthread' for DragonFly
• Prevent DATASTART redefinition for NaCl
• Remove obsolete advice about linking with _DYNAMIC=0 (Linux)

Build status

Travis CI build
AppVeyor CI build
Coveralls status (code coverage)

Distribution Tarball

gc-7.6.4.tar.gz (see the Assets above)

7.4.10

Changes

• Fix error code in abort message if sem_wait failed in start_world (NetBSD)

Also, includes 7.2j changes

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.4.10.tar.gz (see the Assets above)

7.2j

Changes

• Fix GC allocation mutex in child after a fork
• Fix last_reclaimed..gc_no interval comparison to threshold in unmap_old
• Fix libgc version which was changed in linkage breaking way
• Fix missing EOLn output in threadlibs tool

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.2j.tar.gz (see the Assets above; includes a copy of libatomic_ops-7.2i)

7.6.2

Note

This release is not recommended for the downstream package maintainers (because of libgc version-info incompatible change).

Changes

• Add assertion that no hb_n_marks underflow occurs
• Add minimal testing of GC_MALLOC_[ATOMIC_]WORDS and GC_CONS (gctest)
• Add minimal testing of GC_set_bit (gctest)
• Add more cases to huge_test to cover sizes close to word-type maximum
• Add testing of new[]/delete[] (test_cpp)
• Adjust AO_HAVE_x check to match AO_fetch_and_add primitive variant used
• Adjust code indentation of calloc_explicitly_typed
• Align local_mark_stack in help_marker explicitly
• Allow custom TRACE_ENTRIES value
• Allow gctest and thread_leak_test with zero NTHREADS
• Avoid data race in finalized_count (gctest)
• Code refactoring of divide-by-HBLKSIZE occurrences
• Code refactoring of huge_test
• Code refactoring of tests/subthread_create regarding AO add primitive
• Compile thread_local_alloc only if multi-threaded build (Makefile.am)
• Delete preprocessor output on make clean (Makefile.direct)
• Disable implicit multi-threaded mode for Win32 to avoid LOCK crash
• Do not disable parallel mark for WRAP_MARK_SOME
• Do not enable mprotect-based incremental mode if unmapping is on (gctest)
• Do not install documentation if configure --disable-docs (new option)
• Do not use tkill (Android)
• Document base and size of objects allocated by finalized_malloc
• Document configure 'syntax error' issue in README
• Eliminate 'address of local variable returned' static analyzer warning
• Eliminate 'array vs singleton' code defect in typed_test (gctest)
• Eliminate 'assigned value never used' CSA warning in min_bytes_allocd
• Eliminate 'boolean result used in bitwise op' cppcheck false warning
• Eliminate 'C-style pointer casting' cppcheck style warnings in test
• Eliminate 'checking if unsigned variable is <0' cppcheck style warning
• Eliminate 'class member var with name also defined in parent' warning
• Eliminate 'comparison is always false' static analyzer warning in finalize
• Eliminate 'Condition 0==datastart always false' cppcheck warning (dyn_load)
• Eliminate 'condition is always true' cppcheck style warning
• Eliminate 'constructor with 1 argument is not explicit' cppcheck warning
• Eliminate 'CORD_*printf is never used' cppcheck style warnings (cordtest)
• Eliminate 'dereference of null' CSA false warning in array_mark_proc
• Eliminate 'function result not used' code defect in GC_mark_local
• Eliminate 'GC_collecting is set but never used' code defect (Win32)
• Eliminate 'GC_record_fault is never used' cppcheck style warning
• Eliminate 'integer shift by a negative amount' code defect in finalize
• Eliminate 'label not used' cppcheck false warnings in GC_mark_X
• Eliminate 'memory leak' code defect for scratch-allocated memory
• Eliminate 'memory leak' code defect in remove_specific
• Eliminate 'non-null arg compared to null' warning in toggleref_add (GCC)
• Eliminate 'non-reentrant function strtok called' cppcheck warning (POSIX)
• Eliminate 'possible integer underflow' code defect (cord-de)
• Eliminate 'potential overflow' static analyzer warning in test
• Eliminate 'printf format specifies type void*' GCC pedantic warnings
• Eliminate 'scope of variable can be reduced' cppcheck warnings
• Eliminate 'suspicious pointer subtraction' cppcheck warning (gc_cpp)
• Eliminate 'this statement may fall through' GCC warnings
• Eliminate 'unnecessary comparison of static strings' cppcheck warning
• Eliminate 'unsafe vsprintf is deprecated' compiler warning
• Eliminate 'unused formal parameter' compiler warnings in C++ code (MS VC)
• Eliminate 'unused variable' compiler warning in remove_all_threads_but_me
• Eliminate 'use of vulnerable sprintf' code defect in de_win test (cord)
• Eliminate 'value exceeds maximum object size' GCC warning in huge_test
• Eliminate 'value of CLOCK_TYPE unknown' cppcheck info message
• Eliminate 'value of DATASTART2 unknown' cppcheck info messages
• Eliminate 'value of GC_PTHREAD_EXIT_ATTRIBUTE unknown' cppcheck messages
• Eliminate 'value of GC_RETURN_ADDR_PARENT unknown' cppcheck info messages
• Eliminate 'value of NEED_FIXUP_POINTER unknown' cppcheck info messages
• Eliminate 'write to memory that was const-qualified' code analyzer warning
• Eliminate all 'scope of variable can be reduced' cppcheck style warnings
• Eliminate CSA warning about incorrect cast applied to HBLK_OBJS
• Eliminate CSA warning about narrowing cast in CleanUp of test_cpp
• Eliminate CSA warning of non-virtual destructor in test_cpp base class
• Eliminate CSA warning of staticroot that can be a local variable (tests)
• Eliminate CSA warning of unmodified non-const static var (disclaim_test)
• Eliminate redundant local variable in register_finalizer
• Eliminate TSan (Thread Sanitizer) warnings in gctest
• Eliminate UBSan warning of overflow during descr subtraction in mark_from
• Eliminate unreachable PROC/DEFAULT_VDB GC_printf calls in gctest main()
• Eliminate unsigned fl_builder_count underflow in mark_thread
• Enable GC_is_tmp_root for all platforms
• Execute more single-threaded GC tests by CMake
• Expand tabs to spaces in de_win.rc (tests)
• Export GC_dump_finalization/regions()
• Export GC_is_tmp_root() and GC_print_trace[_inner]
• Export GC_print_free_list()
• Fix '32-bit value shift followed by expansion to 64-bit' code defect
• Fix 'GC_written_pages never read' code defect (GWW_VDB)
• Fix 'label cannot be reached' static analyzer warning in disclaim_test
• Fix 'size of tv is unknown' error in brief_async_signal_safe_sleep (musl)
• Fix 'syntax error' reported by cppcheck for mach_dep
• Fix 'unknown type name GC_INNER' compilation error (FreeBSD)
• Fix 'variable assigned a value that is never used' cppcheck style warnings
• Fix 'void pointers in calculations: behavior undefined' cppcheck warning
• Fix assertion violation about disabled cancel in try_to_collect_inner
• Fix atomic_ops build in Makefile.direct for Solaris
• Fix Clang static analyzer warning about not found gc_priv.h in extra files
• Fix compilation error in get_main_stack_base (Emscripten)
• Fix compilation for winpthreads if HANDLE_FORK
• Fix compilation if configured with --enable-werror on OS X
• Fix cord/de build in Makefile.direct (Linux)
• Fix data race in a list referenced by A.aa (gctest)
• Fix data race in collectable_count (gctest)
• Fix data race in do_local_mark when comparing active_count to helper_count
• Fix data race in GC_suspend/resume_thread
• Fix data race in last_stop_count access (suspend_handler_inner)
• Fix data race in make_descriptor when setting explicit_typing_initialized
• Fix data race in mark_thread when updating mark_no
• Fix data race when getting object size in explicitly-typed allocators
• Fix deadlock in GC_suspend_thread
• Fix gctest failure for Darwin if CPPCHECK is defined
• Fix lack of barriers to synchronize memory for suspend_handler
• Fix marking of disclaim-reachable objects in the incremental mode
• Fix message of VDB implementation used if MPROTECT_VDB+GWW_VDB (gctest)
• Fix missing started_thread_while_stopped call from mark_some if GCC/Clang
• Fix null dereference in GC_stack_range_for if not DARWIN_DONT_PARSE_STACK
• Fix page calculation in checksums
• Fix parallel build in Makefile.direct
• Fix test_cpp and c++ parallel build in Makefile.direct
• Fix typo in comment of GC_mark_some
• Fix typos in cdescr.html and README.sgi
• Make GC_INIT optional for clients even if thread-local allocations enabled
• Match uclinux pattern in configure
• Move conditional GC_need_to_lock setting to gc_locks.h (refactoring)
• Move README.QUICK from DOC_FILES to OTHER_FILES in Makefile.direct
• New API function (GC_is_init_called) to check if BDWGC is initialized
• New target (check-cpp) in Makefile.direct
• Prevent abort in register_data_segments for Symbian and Emscripten
• Prevent multiple 'Caught ACCESS_VIOLATION in marker' per collection
• Print realloc_count value in gctest
• Put invariant name in quotes to make mark_state comments clearer
• Refine configure messages when checking for compiler option support
• Remove extraneous semicolons after AC_MSG_WARN (configure)
• Remove page_was_dirty and remove_protection duplicate definitions
• Remove unnecessary type casts of printf arguments to unsigned long
• Remove unused ALIGN_DOUBLE, USE_GENERIC_PUSH_REGS macros (TILE-Gx/Pro)
• Rename 'test' to 'check' target in Makefile.direct
• Replace deprecated rewind to fseek in cordxtra
• Report gcc/clang pedantic warnings (configure)
• Skip thread suspend/resume API testing for Tru64 (OSF1)
• Support AddressSanitizer (Clang/GCC) and MemorySanitizer (Clang)
• Support GC_init (and get_stack_base) from non-main thread on FreeBSD/NetBSD
• Suppress 'tainted string passed to vulnerable operation' false defects
• Suppress 'taking address of label non-standard' GCC/Clang pedantic warning
• Test GC initialization from non-main thread on FreeBSD and NetBSD
• Test GCJ object creation with length-based descriptor (gctest)
• Update comment in finalized_disclaim to match FINALIZER_CLOSURE_FLAG
• Update README regarding make cords with Makefile.direct
• Update README to use autogen.sh on build from the source repository
• Update shared libraries version info to differentiate against v7.4
• Use mprotect instead of mmap in GC_unmap() on Cygwin
• Use same style of include gc.h in documentation
• Workaround '!GC_page_size is always false' cppcheck style warning
• Workaround '#error' cppcheck error messages
• Workaround '32-bit value shift by >31 bits is undefined' cppcheck warnings
• Workaround 'array compared to 0', 'untrusted loop bound' false defects
• Workaround 'bad address arithmetic' static analysis tool false positive
• Workaround 'checking if unsigned value is negative' cppcheck warning
• Workaround 'checking unsigned value is negative' code defect in ...

7.4.8

Note

This release is not recommended for the downstream package maintainers (because of libgc version-info incompatible change).

Changes

• Eliminate 'this statement may fall through' GCC warnings
• Eliminate 'value exceeds maximum object size' GCC warning in huge_test
• Fix data race in make_descriptor when setting explicit_typing_initialized
• Fix marking of disclaim-reachable objects in the incremental mode
• Update comment in finalized_disclaim to match FINALIZER_CLOSURE_FLAG
  Also, includes 7.2i changes

Build status

Travis CI build
AppVeyor CI build

Distribution Tarball

gc-7.4.8.tar.gz (see the Assets above)