Ivan Maidanski [Thu, 3 Aug 2017 21:47:56 +0000 (00:47 +0300)]
Do not install documentation if configure --disable-docs (new option)
* configure.ac (docs): New AC_ARG_ENABLE.
* configure.ac (ENABLE_DOCS): New AM_CONDITIONAL.
* doc/doc.am (dist_doc_DATA): Define only if ENABLE_DOCS.
Ivan Maidanski [Wed, 2 Aug 2017 21:37:09 +0000 (00:37 +0300)]
Fix undefined HEAP_START in register_dynamic_libraries
* include/private/gcconfig.h [!HEAP_START] (HEAP_START): Define to 0 by
default (if not previously defined in the file).
* os_dep.c (HEAP_START): Remove.
Ivan Maidanski [Wed, 2 Aug 2017 08:13:23 +0000 (11:13 +0300)]
Fix bytes count passed to add_to_our_memory in backgraph new_back_edges
(fix commit 180b56c)
* backgraph.c [MAKE_BACK_GRAPH] (new_back_edges): Pass bytes_to_get to
GC_add_to_our_memory() (i.e. pass the same number of bytes as passed
to GET_MEM() even in case of MMAP_SUPPORTED).
Ivan Maidanski [Tue, 1 Aug 2017 22:13:37 +0000 (01:13 +0300)]
Use heap-allocated memory for local mark stack of non-marker thread
Issue #159 (bdwgc).
The memory is allocated using GET_MEM to avoid to make sure that
it is not accidentally scanned by the collector.
* include/private/gcconfig.h [!PARALLEL_MARK && THREADS]
(MIN_STACK_SIZE): Do not define.
* include/private/gcconfig.h [PARALLEL_MARK] (MIN_STACK_SIZE): Add
comment.
* mark.c [PARALLEL_MARK] (main_local_mark_stack): New static variable.
* mark.c [PARALLEL_MARK] (GC_wait_for_markers_init): Declare bytes_to_get
local variable; allocate local mark stack (using GET_MEM) and set
main_local_mark_stack (if not yet allocated by the parent process).
* mark [PARALLEL_MARK] (GC_do_parallel_mark): Remove local_mark_stack
huge local variable; use main_local_mark_stack instead of
local_mark_stack.
* pthread_support.c [GC_ASSERTIONS] (WRAP_FUNC(pthread_create)): Use
hard-coded value (65536) instead of MIN_STACK_SIZE in GC_ASSERT.
* tests/test.c [GC_PTHREADS && DEFAULT_STACK_MAYBE_SMALL]
(fork_a_thread): Do not set stack size for the created threads.
* tests/test.c [GC_PTHREADS] (main): Do not check
DEFAULT_STACK_MAYBE_SMALL.
Ivan Maidanski [Mon, 31 Jul 2017 08:02:13 +0000 (11:02 +0300)]
Fix 'use' word omission in ChangeLog
(fix commit 1784ac2)
Ivan Maidanski [Mon, 31 Jul 2017 07:57:14 +0000 (10:57 +0300)]
Do not use asm in GC_pause
* pthread_support.c [GC_PTHREADS && !GC_WIN32_THREADS
&& (USE_SPIN_LOCK || !NO_PTHREAD_TRYLOCK)] (GC_PAUSE_SPIN_CYCLES): New
macro.
* pthread_support.c [GC_PTHREADS && !GC_WIN32_THREADS
&& (USE_SPIN_LOCK || !NO_PTHREAD_TRYLOCK)] (GC_pause): Replace "10"
with GC_PAUSE_SPIN_CYCLES; remove "dummy" local variable; use
AO_compiler_barrier() instead of __asm__("") and GC_noop1(++dummy).
Ivan Maidanski [Fri, 21 Jul 2017 18:42:18 +0000 (21:42 +0300)]
New API function (GC_is_incremental_mode)
* alloc.c (GC_is_incremental_mode): New public function definition.
* include/gc.h (GC_full_freq): Update comment.
* include/gc.h (GC_is_incremental_mode): New public function
declaration.
* tests/test.c [!GC_WIN32_THREADS && !GC_PTHREADS] (main): Print
"Switched to incremental mode" and friend messages only if
GC_is_incremental_mode().
* tests/test.c [!GC_PTHREADS] (main): Likewise.
Ivan Maidanski [Fri, 21 Jul 2017 17:59:55 +0000 (20:59 +0300)]
Fix GC_incremental declaration/definition type mismatch
* alloc.c [!GC_DISABLE_INCREMENTAL] (GC_incremental): Change variable
type from int to GC_bool (to match that of the declaration in
gc_priv.h).
Ivan Maidanski [Fri, 21 Jul 2017 17:27:12 +0000 (20:27 +0300)]
Fix deadlock in GC_suspend_thread when thread is rebuilding free list
(fix commits 62097c3, 59e2bcf)
* pthread_stop_world.c [GC_ENABLE_SUSPEND_THREAD] (GC_suspend_thread):
Move DISABLE_CANCEL() upper to cover also GC_wait_for_reclaim() and
RAISE_SIGNAL() calls.
* pthread_stop_world.c [GC_ENABLE_SUSPEND_THREAD && PARALLEL_MARK]
(GC_suspend_thread): If GC_parallel then call GC_wait_for_reclaim()
holding the allocation lock before RAISE_SIGNAL() call; add comment.
Ivan Maidanski [Fri, 21 Jul 2017 16:34:10 +0000 (19:34 +0300)]
Workaround false 'uninitialized var use' code defect (initsecondarythread)
* tests/initsecondarythread.c [GC_PTHREADS && LINT2] (main): Initialize
"t" local variable to some value (e.g. result of pthread_create()).
Ivan Maidanski [Fri, 21 Jul 2017 15:32:22 +0000 (18:32 +0300)]
Eliminate CSA warning of non-virtual destructor in test_cpp base class
* tests/test_cpp.cc (B::~B): Make the destructor virtual.
Ivan Maidanski [Fri, 21 Jul 2017 15:17:06 +0000 (18:17 +0300)]
Eliminate CSA warning about incorrect cast applied to HBLK_OBJS
HBLK_OBJS() expects the argument value and has the result value of
size_t type.
* reclaim.c (GC_print_block_descr): Cast result of HBLK_OBJS() to
unsigned int instead of casting its argument.
Ivan Maidanski [Fri, 21 Jul 2017 14:21:02 +0000 (17:21 +0300)]
Eliminate CSA warning about narrowing cast in CleanUp of test_cpp
* tests/test_cpp.cc (D::CleanUp): Cast self->i to word instead of
casting (word)data to int in comparison.
Ivan Maidanski [Fri, 21 Jul 2017 08:01:01 +0000 (11:01 +0300)]
Eliminate CSA warning of staticroot that can be a local variable (tests)
* tests/staticrootstest.c (staticroot): Remove redundant initialization
to zero; add comment.
* tests/staticrootstest.c (init_staticroot): New function; move
staticroot=libsrl_init() from main(); add comment.
* tests/staticrootstest.c (main): Call init_staticroot().
Ivan Maidanski [Thu, 20 Jul 2017 21:44:05 +0000 (00:44 +0300)]
Eliminate CSA warning of unmodified non-const static var (disclaim_test)
(fix commit 7b0be48)
* tests/disclaim_test.c (pair_magic): Make it const itself.
Ivan Maidanski [Thu, 20 Jul 2017 09:11:22 +0000 (12:11 +0300)]
Do not use tkill (Android)
tkill() has been deprecated in Android. Starting from NDK r11 (which
introduced android-23 API), the call exists only in libc.a (but not
in libc.so). The comment in Bionic says that tkill exists only for
Mono clients (and only for 32-bit targets).
* include/private/gcconfig.h [PLATFORM_ANDROID && CPP_WORDSZ==32]
(USE_TKILL_ON_ANDROID): Do not define if __ANDROID_API__ >= 23; add
comment.
Ivan Maidanski [Thu, 20 Jul 2017 08:50:04 +0000 (11:50 +0300)]
Specify that unused select() result is intentional
(fix commit 62097c3)
* pthread_stop_world.c [GC_ENABLE_SUSPEND_THREAD]
(GC_brief_async_signal_safe_sleep): Cast select() result to void.
Ivan Maidanski [Thu, 20 Jul 2017 08:39:29 +0000 (11:39 +0300)]
Replace deprecated rewind to fseek in cordxtra
rewind (unlike fseek) does not report whether the operation failed.
* cord/cordxtra.c (CORD_from_file_lazy_inner, CORD_from_file_lazy,
CORD_from_file): Replace rewind(f) to fseek(f, 0l, SEEK_SET) with
error checking; adjust ABORT message in case of fseek and ftell failure.
Ivan Maidanski [Wed, 19 Jul 2017 22:11:19 +0000 (01:11 +0300)]
Update AUTHORS file
Tautvydas Zilys [Wed, 19 Jul 2017 21:53:43 +0000 (00:53 +0300)]
Public API (GC_deinit) to allow Win32 critical sections deletion
Public GC_deinit allows the clients to avoid a leak of two critical
sections on GC shutdown.
* include/gc.h (GC_deinit): New public function declaration.
* include/private/gc_priv.h [MSWIN32 || MSWINCE] (GC_deinit): Remove.
* misc.c (GC_deinit): Make it public; define it unconditionally; call
DeleteCriticalSection(GC_allocate_ml) if GC_is_initialized; set
GC_is_initialized to false.
DeleteCriticalSection(GC_allocate_ml)
* tests/test.c [!GC_WIN32_THREADS && !GC_PTHREADS && CPPCHECK] (main):
Add UNTESTED(GC_deinit).
* win32_threads.c [GC_WINMAIN_REDIRECT && MSWINCE] (WinMain): Do not
call DeleteCriticalSection(GC_allocate_ml).
* win32_threads.c [!GC_NO_THREADS_DISCOVERY && !GC_PTHREADS]
(GC_DllMain): Likewise.
Ivan Maidanski [Tue, 18 Jul 2017 22:12:58 +0000 (01:12 +0300)]
Travis CI: Test with --enable-static
Now only shared libraries are built by default.
Ivan Maidanski [Tue, 18 Jul 2017 21:32:40 +0000 (00:32 +0300)]
Build only shared libraries by default (configure)
This is to speed up the build and compile all libgc source files into
a single .o file (to enable more compiler optimizations).
* configure.ac (LT_INIT): Pass disable-static; add comment.
Ivan Maidanski [Fri, 14 Jul 2017 17:02:44 +0000 (20:02 +0300)]
Refactoring of USE_MMAP/USE_MMAP_ANON pairs definition in gcconfig.h
* include/private/gcconfig.h [POWERPC && (DARWIN || AIX) || NACL
|| I386 && (HURD || DARWIN) || (AARCH64 || ARM32 || X86_64) && DARWIN]
(USE_MMAP): Do not define explicitly (as USE_MMAP_ANON is defined
explicitly).
* include/private/gcconfig.h [NACL] (USE_MMAP_FIXED): Do not undefine
explicitly (as it is not defined by default).
* include/private/gcconfig.h [I386 && NACL] (HEAP_START): Do not define
value for the case of no USE_MMAP (as the latter is always defined).
* include/private/gcconfig.h [USE_MMAP_ANON && !USE_MMAP] (USE_MMAP):
Define.
Ivan Maidanski [Fri, 14 Jul 2017 08:11:13 +0000 (11:11 +0300)]
Fix SIGSEGV in GC_is_marked when gc_cleanup is used in leak-finding mode
Issue #162 (bdwgc).
Now finalizers and disappearing links registration is a no-op in case
of the leak-finding mode.
* finalize.c (GC_register_disappearing_link_inner): Do nothing (return
GC_UNIMPLEMENTED) if GC_find_leak.
* finalize.c (GC_register_finalizer_inner): Do nothing if GC_find_leak.
* include/gc.h (GC_find_leak): More verbose comment.
* include/gc.h (GC_debug_register_finalizer,
GC_general_register_disappearing_link): Document the case of
GC_find_leak.
Ivan Maidanski [Thu, 13 Jul 2017 20:27:15 +0000 (23:27 +0300)]
Fix atomic_ops build in Makefile.direct for Solaris
* Makefile.direct (atomic_ops.o, atomic_ops_sysdeps.o): Expand "$<"
macro manually; add comment.
Ivan Maidanski [Thu, 13 Jul 2017 20:17:39 +0000 (23:17 +0300)]
Remove name of optional arguments of operator new and new[] in gc_cpp.h
(code refactoring)
* include/gc_cpp.h (operator new): Comment out cleanup and clientData
argument names.
* include/gc_cpp.h [GC_OPERATOR_NEW_ARRAY] (operator new[]): Likewise.
Ivan Maidanski [Tue, 11 Jul 2017 23:04:30 +0000 (02:04 +0300)]
Fix push_complex_descriptor to avoid unlimited global mark stack growth
Global mark stack should not grow in parallel marker mode (as
fixed-size local_mark_stack is used instead).
* typd_mlc.c [PARALLEL_MARK] (GC_array_mark_proc): Do not set
GC_mark_stack_too_small if GC_parallel (and new_mark_stack_ptr is
null); add comment.
Ivan Maidanski [Tue, 11 Jul 2017 22:10:42 +0000 (01:10 +0300)]
Fix deadlock in GC_suspend_thread when thread is finished
(fix commits 62097c3, 59e2bcf)
* pthread_stop_world.c [GC_ENABLE_SUSPEND_THREAD] (GC_suspend_thread):
Do not call RAISE_SIGNAL() and sem_wait() if thread has FINISHED flag
set; do not handle ESRCH error result of RAISE_SIGNAL(); add comment.
Ivan Maidanski [Tue, 11 Jul 2017 21:39:41 +0000 (00:39 +0300)]
.gitignore: Ignore .log and .trs files for test_atomic_ops
Ivan Maidanski [Mon, 10 Jul 2017 21:49:14 +0000 (00:49 +0300)]
Travis CI: Workaround 'real_malloc is never called' cppcheck warning
(fix commit 0027759)
Ivan Maidanski [Mon, 10 Jul 2017 21:41:53 +0000 (00:41 +0300)]
Workaround 'GCC_ATOMIC_TEST_AND_SET_TRUEVAL unknown' cppcheck info message
(fix commit 46a2411)
* include/private/gc_atomic_ops.h [__GCC_ATOMIC_TEST_AND_SET_TRUEVAL]
(AO_TS_SET): Do not use __GCC_ATOMIC_TEST_AND_SET_TRUEVAL if CPPCHECK.
Ivan Maidanski [Sat, 8 Jul 2017 18:52:57 +0000 (21:52 +0300)]
Update ChangeLog file
Ivan Maidanski [Sat, 8 Jul 2017 18:35:48 +0000 (21:35 +0300)]
Update ChangeLog file (v7.6 changes only)
Ivan Maidanski [Sat, 8 Jul 2017 18:03:00 +0000 (21:03 +0300)]
Update ChangeLog file (v7.2 - v7.4 changes only)
Ivan Maidanski [Thu, 6 Jul 2017 17:18:02 +0000 (20:18 +0300)]
Travis CI: Change --with-checksums to --enable-checksums in CONF_OPTIONS
Ivan Maidanski [Thu, 6 Jul 2017 17:25:29 +0000 (20:25 +0300)]
Rename with_checksums to enable_checksums option in CMake script
(refactoring of commit 4530166)
* CMakeLists.txt (with_checksums): Rename to enable_checksums.
Ivan Maidanski [Thu, 6 Jul 2017 17:11:09 +0000 (20:11 +0300)]
Change configure --with-checksums to --enable-checksums option
(refactoring of commit bfd8345)
* configure.ac (checksums): Replace AC_ARG_WITH with AC_ARG_ENABLE;
update AS_HELP_STRING accordingly.
* configure.ac (with_checksums): Replace with enable_checksums.
Ivan Maidanski [Thu, 29 Jun 2017 18:31:09 +0000 (21:31 +0300)]
windows-untested: Do not build checksums.c
Ivan Maidanski [Thu, 29 Jun 2017 18:23:10 +0000 (21:23 +0300)]
Travis CI: Test --disable-munmap
Ivan Maidanski [Thu, 29 Jun 2017 18:19:33 +0000 (21:19 +0300)]
Fix configure --disable-munmap handling
(fix commits d564f15, bfd8345)
* configure.ac (USE_MUNMAP, MUNMAP_THRESHOLD): Do not define if
enable_munmap is "no" (or a blank value).
* configure.ac [with_checksums=yes]: Do not report AC_MSG_ERROR if
enable_munmap is "no".
Ivan Maidanski [Thu, 29 Jun 2017 09:38:06 +0000 (12:38 +0300)]
Call WARN() if GC_mprotect_dirty_init cannot succeed (Darwin)
(fix commit 6bfc840)
* os_dep.c [MPROTECT_VDB && DARWIN && CAN_HANDLE_FORK]
(GC_mprotect_dirty_init): Replace GC_COND_LOG_PRINTF() with WARN()
which is called before return FALSE; refine WARN message.
Ivan Maidanski [Thu, 29 Jun 2017 09:01:40 +0000 (12:01 +0300)]
Travis CI: Test --enable-munmap with OS X
Ivan Maidanski [Thu, 29 Jun 2017 08:56:12 +0000 (11:56 +0300)]
Travis CI: Test --enable-handle-fork
Ivan Maidanski [Thu, 29 Jun 2017 07:47:50 +0000 (10:47 +0300)]
Decide between memory unmapping and mprotect-based dirty bits at runtime
* allchblk.c [USE_MUNMAP && MPROTECT_VDB] (GC_has_unmapped_memory): New
function.
* include/private/gcconfig.h [USE_MUNMAP] (MPROTECT_VDB): Do not
undefine unless GWW_VDB; update comment.
* os_dep.c [MPROTECT_VDB && USE_MUNMAP] (GC_has_unmapped_memory,
GC_mprotect_dirty_init): Declare function.
* os_dep.c [MPROTECT_VDB && USE_MUNMAP] (GC_dirty_init): Ensure
mprotect-based virtual dirty bits and memory unmapping are not both
turned on (disable on of them and call WARN with the appropriate
message), and call GC_mprotect_dirty_init (unless memory unmapping is
requested or some pages are already unmapped).
* os_dep.c [MPROTECT_VDB && !USE_MUNMAP] (GC_mprotect_dirty_init):
Define as a macro (to GC_dirty_init).
* os_dep.c [MPROTECT_VDB] (GC_dirty_init): Rename to
GC_mprotect_dirty_init.
Ivan Maidanski [Wed, 28 Jun 2017 22:04:35 +0000 (01:04 +0300)]
Fix gctest crash if configure --enable-handle-fork on Darwin
(fix commit a7817bc)
* include/private/gc_priv.h [!GC_DISABLE_INCREMENTAL] (GC_incremental):
Refine comment.
* include/private/gc_priv.h [!GC_DISABLE_INCREMENTAL]
(GC_dirty_maintained): Remove variable declaration.
* include/private/gc_priv.h [!GC_DISABLE_INCREMENTAL] (GC_dirty_init):
Change return type from void to GC_bool; update comment.
* mark.c [!GC_DISABLE_INCREMENTAL || CHECKSUMS] (GC_initiate_gc):
Replace GC_dirty_maintained with GC_incremental.
* mark.c [!GC_DISABLE_INCREMENTAL && PROC_VDB] (GC_push_conditional):
Likewise.
* mark.c [!GC_DISABLE_INCREMENTAL] (GC_push_next_marked_dirty): Likewise.
* misc.c [!GC_DISABLE_INCREMENTAL && !KEEP_BACK_PTRS]
(GC_enable_incremental): Likewise.
* os_dep.c [MPROTECT_VDB] (GC_remove_protection): Likewise.
* pthread_support.c [CAN_HANDLE_FORK && GC_DARWIN_THREADS
&& MPROTECT_VDB] (GC_atfork_prepare): Likewise.
* win32_threads.c [MPROTECT_VDB] (UNPROTECT_THREAD): Likewise.
* misc.c [!GC_DISABLE_INCREMENTAL] (GC_init): Set GC_incremental value
to the result of GC_dirty_init().
* misc.c [!GC_DISABLE_INCREMENTAL && !KEEP_BACK_PTRS]
(GC_enable_incremental): Likewise.
* misc.c [!GC_DISABLE_INCREMENTAL && !KEEP_BACK_PTRS]
(GC_enable_incremental): Set GC_incremental to true just before GC_init
call (to indicate the intention to turn on GC incremental mode).
* os_dep.c [!GC_DISABLE_INCREMENTAL] (GC_dirty_maintained): Remove
global variable.
* os_dep.c [GWW_VDB && !MPROTECT_VDB] (GC_gww_dirty_init): Define macro
to GC_dirty_init.
* os_dep.c [GWW_VDB && !MPROTECT_VDB] (GC_dirty_init): Remove function.
* os_dep.c [DEFAULT_VDB || MANUAL_VDB || MPROTECT_VDB || PCR_VDB]
(GC_dirty_init): Change return type to GC_bool; return true; remove
assignment of GC_dirty_maintained.
* os_dep.c [PROC_VDB] (GC_dirty_init): Replace ABORT with WARN and
return false if "pagedata" file open failed.
* os_dep.c [MPROTECT_VDB && DARWIN] (GC_dirty_init): Return false if
GC_handle_fork; add TODO item to replace ABORT with WARN (and return
false).
Ivan Maidanski [Tue, 27 Jun 2017 21:33:11 +0000 (00:33 +0300)]
Imply configure --single-obj-compilation if --disable-static
* configure.ac (single-obj-compilation): Set default value to yes
if enable_static=no; update help message.
* configure.ac (single_obj_compilation): Rename variable to
enable_single_obj_compilation.
Ivan Maidanski [Fri, 23 Jun 2017 11:06:11 +0000 (14:06 +0300)]
Make GC_INIT optional for clients even if thread-local allocations enabled
* tests/test.c (GC_OPT_INIT): Do not define to GC_INIT() even if
THREAD_LOCAL_ALLOC; force define to GC_INIT() if TEST_EXPLICIT_GC_INIT
macro defined.
* thread_local_alloc.c [USE_PTHREAD_SPECIFIC || USE_WIN32_SPECIFIC]
(GC_malloc_kind): Check keys_initialized before GC_getspecific call
(fall back to GC_malloc_kind_global if keys_initialized is false).
Ivan Maidanski [Fri, 23 Jun 2017 08:18:16 +0000 (11:18 +0300)]
Check thread_local is initialized before accessing thread_key
* thread_local_alloc.c [GC_GCJ_SUPPORT] (GC_gcj_malloc): Move
GC_ASSERT(GC_gcj_malloc_initialized) to be before accessing
GC_thread_key.
Ivan Maidanski [Fri, 23 Jun 2017 06:13:15 +0000 (09:13 +0300)]
Ensure GC initialized when atfork_prepare is called by client
Otherwise, if THREAD_LOCAL_ALLOC, GC_remove_all_threads_but_me would
not find the current thread descriptor in GC_threads.
* pthread_support.c [CAN_HANDLE_FORK] (GC_atfork_prepare): Call GC_init
if not GC_is_initialized.
* win32_threads.c [CAN_HANDLE_FORK] (GC_atfork_prepare): Likewise.
Ivan Maidanski [Fri, 23 Jun 2017 05:36:19 +0000 (08:36 +0300)]
Travis CI: Test explicit -D DEFAULT_STACK_MAYBE_SMALL"
Peter Wang [Thu, 22 Jun 2017 21:25:41 +0000 (00:25 +0300)]
Fix gctest failure if PARALLEL_MARK (musl)
Issue #159 (bdwgc).
The default stack size of threads in musl is not large enough for
GC with parallel markers enabled. This commit increases the stack
of the created threads to the required minimum.
* include/private/gcconfig.h [PARALLEL_MARK && (HPUX
|| GC_DGUX386_THREADS || NO_GETCONTEXT)] (DEFAULT_STACK_MAYBE_SMALL):
New macro; add TODO item.
* include/private/gcconfig.h [PARALLEL_MARK || THREADS] (MIN_STACK_SIZE):
New macro.
* pthread_support.c (MIN_STACK_SIZE): Do not define.
* pthread_support.c (GC_start_mark_threads_inner): Check
DEFAULT_STACK_MAYBE_SMALL macro instead of HPUX or GC_DGUX386_THREADS.
* pthread_support.c [DEFAULT_STACK_MAYBE_SMALL]
(GC_start_mark_threads_inner): Do not set stack size if old_size is 0.
* pthread_support.c [GC_ASSERTIONS] (WRAP_FUNC(pthread_create)): Use
MIN_STACK_SIZE in GC_ASSERT.
* tests/test.c [GC_PTHREADS && DEFAULT_STACK_MAYBE_SMALL]
(fork_a_thread): Set stack size of the created thread to MIN_STACK_SIZE.
* tests/test.c [GC_PTHREADS] (main): Set size of the created thread
also if DEFAULT_STACK_MAYBE_SMALL is defined.
Ivan Maidanski [Wed, 21 Jun 2017 07:25:16 +0000 (10:25 +0300)]
Update AUTHORS file
Jukka Jylanki [Wed, 21 Jun 2017 07:22:04 +0000 (10:22 +0300)]
Document STACK_NOT_SCANNED macro in gcconfig.h (Emscripten)
Issue #163 (bdwgc).
* include/private/gcconfig.h [__EMSCRIPTEN__] (STACK_NOT_SCANNED): Add
comment (explaining the reason of defining this macro).
Ivan Maidanski [Tue, 20 Jun 2017 22:07:12 +0000 (01:07 +0300)]
Better document minimum value of size argument for typed allocations
* include/gc_typed.h (GC_make_descriptor): Provide a better argument
name (in comment).
* include/gc_typed.h (GC_malloc_explicitly_typed,
GC_calloc_explicitly_typed): Explicitly state in comment that the
size of the object in words should not be less than the number of
significant bits in the specified descriptor.
Ivan Maidanski [Tue, 20 Jun 2017 21:42:44 +0000 (00:42 +0300)]
Add minimal testing of GC_set_bit (gctest)
* tests/test.c (typed_test): Initialize bm3, bm2 local variables to zero;
call GC_set_bit to setup bm3 and bm2 (instead of direct hard-coding of
bm3 and bm2 values during their initialization).
Hamayama [Tue, 20 Jun 2017 21:30:24 +0000 (00:30 +0300)]
Fix typed_test to prevent fails in malloc_explicitly_typed (64-bit)
Issue #166 (bdwgc).
* tests/test.c (typed_test): Pass 320*sizeof(word)+some_number instead
of 2000 to GC_malloc_explicitly_typed, so that to satisfy the size
argument requirement of the latter regardless of word size).
Ivan Maidanski [Tue, 20 Jun 2017 18:22:53 +0000 (21:22 +0300)]
Fix compilation error in get_main_stack_base (Emscripten)
Issue #163 (bdwgc).
* os_dep.c [!BEOS && !AMIGA && !OS2 && !MSWIN32 && !MSWINCE && !CYGWIN32
&& !GC_OPENBSD_THREADS && !STACKBOTTOM && !HEURISTIC1 && !HEURISTIC2
&& !LINUX_STACKBOTTOM && !FREEBSD_STACKBOTTOM] (GC_get_main_stack_base):
Set result to null if STACK_NOT_SCANNED (instead of #error).
Ivan Maidanski [Tue, 20 Jun 2017 14:05:20 +0000 (17:05 +0300)]
Prevent abort in register_data_segments for Symbian and Emscripten
Issue #163 (bdwgc).
DATASTART is tested to have a non-null value in GC_register_data_segments,
so the macro should not be defined to null even if it is not really
used (null value typically means that the corresponding weak symbol
is not resolved).
* include/private/gcconfig.h [SYMBIAN || __EMSCRIPTEN__] (DATASTART,
DATAEND): Change to a non-null value (ALIGNMENT).
Ivan Maidanski [Tue, 20 Jun 2017 08:58:15 +0000 (11:58 +0300)]
Update AUTHORS file (add Hamayama)
Hamayama [Tue, 20 Jun 2017 08:56:20 +0000 (11:56 +0300)]
Fix null dereference in reclaim_block if DONT_ADD_BYTE_AT_END
Issue #167 (bdwgc).
* reclaim.c (GC_reclaim_block): If ok->ok_reclaim_list is null then
do not update hhdr->hb_next (and *rlh).
Ivan Maidanski [Tue, 20 Jun 2017 07:50:45 +0000 (10:50 +0300)]
Fix text formatting in gcinterface.md
(fix commit 0ac938d)
* doc/gcinterface.md (GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE): Do not break
"void *" with a new line.
* doc/gcinterface.md (C++ Interface, C interface): Use "##" (to
identify section title) instead of "#" (or "**").
Ivan Maidanski [Tue, 20 Jun 2017 07:38:35 +0000 (10:38 +0300)]
Travis CI: Add test with -D DONT_ADD_BYTE_AT_END
Ivan Maidanski [Tue, 20 Jun 2017 07:31:44 +0000 (10:31 +0300)]
Convert overview.html, tree.html to Markdown format
* README.md: Replace overview.html with overview.md.
* doc/doc.am (dist_doc_DATA): Likewise.
* doc/doc.am (dist_doc_DATA): Replace tree.html with tree.md.
* doc/gcdescr.md (Mark phase): Likewise.
* doc/overview.html: Change file suffix to .md; convert text format
from HTML to Markdown.
* doc/tree.html: Likewise.
Ivan Maidanski [Fri, 16 Jun 2017 16:00:07 +0000 (19:00 +0300)]
Convert gcdescr.html, gcinterface.html to Markdown format
* README.QUICK: Replace gcinterface.html with gcinterface.md.
* doc/doc.am (dist_doc_DATA): Likewise.
* doc/gc.man: Likewise.
* doc/overview.html: Likewise.
* doc/doc.am (dist_doc_DATA): Replace gcdescr.html with gcdescr.md.
* doc/overview.html: Likewise.
* doc/gcdescr.html: Change file suffix to .md; convert text format
from HTML to Markdown.
* doc/gcinterface.html: Likewise.
Ivan Maidanski [Fri, 16 Jun 2017 15:32:05 +0000 (18:32 +0300)]
Fix compiler intrinsics support check failure in 'make distcheck'
(fix commit 4c6be54)
* configure.ac [with_libatomic_ops=check] (CFLAGS): Add
-I${srcdir}/include -I${srcdir}/tests (instead of -Iinclude).
* configure.ac [with_libatomic_ops=check] (AC_TRY_RUN): Do not
specify folder in #include.
Ivan Maidanski [Fri, 16 Jun 2017 15:16:07 +0000 (18:16 +0300)]
Fix ALL_INTERIOR_POINTERS name in comments and documentation
* doc/gcdescr.html (Mark phase): Replace ALL_INTERIOR_PTRS with
ALL_INTERIOR_POINTERS.
* doc/tree.html: Likewise.
* include/private/gc_hdrs.h (HC_GET_HDR): Replace GC_all_interior_ptrs
with GC_all_interior_pointers in comment.
Ivan Maidanski [Fri, 16 Jun 2017 14:48:37 +0000 (17:48 +0300)]
Consistently use 'msec' instead of 'ms' in comments in pthread_support
* pthread_support.c [USE_SPIN_LOCK] (GC_lock): Replace "ms" with "msecs"
in comment; put a space between number and "msec" (in comment).
Ivan Maidanski [Fri, 16 Jun 2017 08:24:35 +0000 (11:24 +0300)]
Update bdwgc mailing list online archive link in documentation
* README.md (Feedback, Contribution, Questions and Notifications):
Update information about accessing the mailing list archive (add link
to that at Narkive site).
* doc/overview.html (Contacts and new release announcements): Replace
link to the mailing list archive at Gmane.org to that at Narkive.
Ivan Maidanski [Fri, 16 Jun 2017 07:45:02 +0000 (10:45 +0300)]
Update GCJ link in documentation
* doc/gcdescr.html: Replace http://gcc.gnu.org/java link (which now
points to GCC itself) with https://gcc.gnu.org/onlinedocs/gcc-4.8.5/gcj/
one.
* doc/overview.html: Likewise.
Ivan Maidanski [Fri, 16 Jun 2017 07:39:16 +0000 (10:39 +0300)]
Document GWW_VDB in gcdescr.html
* doc/gcdescr.html (Generational Collection and Dirty Bits): Document
GWW_VDB.
Ivan Maidanski [Thu, 15 Jun 2017 09:10:09 +0000 (12:10 +0300)]
Travis CI: Update after changing configure to use atomic intrinsics
Ivan Maidanski [Thu, 15 Jun 2017 08:30:57 +0000 (11:30 +0300)]
Use compiler atomic intrinsics by default if available (configure)
* README.md (Installation and Portability): Update information about
libatomic_ops usage.
* configure.ac [with_libatomic_ops=check]: AC_TRY_RUN(test_atomic_ops.c)
(before PKG_CHECK_MODULES(ATOMIC_OPS)) with -D GC_BUILTIN_ATOMIC
added to CFLAGS; set with_libatomic_ops to none if test_atomic_ops
succeeds (unless cross-compiling).
Ivan Maidanski [Wed, 14 Jun 2017 09:16:00 +0000 (12:16 +0300)]
Add test_atomic_ops to perform minimal testing of used atomic primitives
The main purpose of test_atomic_ops is to be able to check whether
it is safe to use compiler atomic intrinsics (enabled by defining
GC_BUILTIN_ATOMIC macro).
* tests/test_atomic_ops.c: New file.
* tests/tests.am [THREADS] (TESTS, check_PROGRAMS): Add
test_atomic_ops.
* tests/tests.am [THREADS] (test_atomic_ops_SOURCES,
test_atomic_ops_LDADD): New variable.
* tests/tests.am (check-without-test-driver): Run test_atomic_ops (if
available).
Ivan Maidanski [Wed, 14 Jun 2017 07:57:15 +0000 (10:57 +0300)]
.gitignore: Ignore test_atomic_ops
Ivan Maidanski [Tue, 13 Jun 2017 20:57:51 +0000 (23:57 +0300)]
Travis CI: Scan pcr_interface.c, real_malloc.c in extra (CSA, cppcheck)
Ivan Maidanski [Tue, 13 Jun 2017 20:41:10 +0000 (23:41 +0300)]
Move pcr_interface.c, real_malloc.c to 'extra' folder
(code refactoring)
* Makefile.am (EXTRA_DIST): Add extra/ prefix to pcr_interface.c,
real_malloc.c.
* PCR-Makefile (CSRC): Likewise.
* PCR-Makefile (COBJ): Add extra/ prefix to pcr_interface.o,
real_malloc.o.
* extra/gc.c: Remove include pcr_interface.c; update comment about
files which are not included.
* pcr_interface.c: Move to "extra" folder.
* real_malloc.c: Likewise.
* include/private/gc_priv.h (GC_INNER, GC_EXTERN): Update comment.
Ivan Maidanski [Tue, 13 Jun 2017 18:31:52 +0000 (21:31 +0300)]
Update Download information in GC overview document
* doc/overview.html: Change Download page link to that on GitHub; add
BDWGC acronym; remove link to gc.tar.gz; recommend to download
"recent stable" version; remove link to ancient boehm-gc in gcc;
provide link to the list of changes (for each version).
Ivan Maidanski [Fri, 9 Jun 2017 16:53:22 +0000 (19:53 +0300)]
Travis CI: Use configure --with-checksums instead of -D CHECKSUMS
Ivan Maidanski [Fri, 9 Jun 2017 16:42:54 +0000 (19:42 +0300)]
Compile checksums.c only if --with-checksums is given (configure)
New configure option (--with-checksums) is added, mainly to workaround
'checksums.a has no symbols' link warning (observed on Darwin).
* Makefile.am [!SINGLE_GC_OBJ] (libgc_la_SOURCES): Do not add checksums.c
unless CHECKSUMS.
* configure.ac (checksums): New AC_ARG_WITH.
* configure.ac [with_checksums && (enable_munmap || THREADS!=none)]:
Issue AC_MSG_ERROR.
* configure.ac (CHECKSUMS): New AC_DEFINE and AM_CONDITIONAL if
with_checksums.
Ivan Maidanski [Fri, 9 Jun 2017 16:05:35 +0000 (19:05 +0300)]
Support with_checksums option in CMake script
* CMakeLists.txt (with_checksums): New option (off by default).
* CMakeLists.txt [with_checksums && enable_threads]: Issue MESSAGE that
the configuration is not supported.
* CMakeLists.txt [with_checksums] (CHECKSUMS): Define macro.
* CMakeLists.txt [with_checksums] (SRC): Add checksums.c.
Ivan Maidanski [Fri, 9 Jun 2017 08:05:00 +0000 (11:05 +0300)]
Do not produce .tar.bz2 distribution file (configure)
* configure.ac (AM_INIT_AUTOMAKE): Remove dist-bzip2.
Ivan Maidanski [Thu, 8 Jun 2017 10:11:58 +0000 (13:11 +0300)]
Fix non-Linux configure-based builds
(fix commit 8240ed0)
* configure.ac (pthread_start_standalone): New variable.
* configure.ac [*-*-*linux* && THREADS=posix] (pthread_start_standalone):
Set to yes (instead of AM_CONDITIONAL(PTHREAD_START_STANDALONE) directly).
* configure.ac (PTHREAD_START_STANDALONE): AM_CONDITIONAL if
pthread_start_standalone.
Ivan Maidanski [Thu, 8 Jun 2017 08:40:36 +0000 (11:40 +0300)]
Fix pthread_start compilation if single-obj-compilation (Linux)
* Makefile.am [SINGLE_GC_OBJ && PTHREAD_START_STANDALONE] (AM_CPPFLAGS):
Add -DGC_PTHREAD_START_STANDALONE.
* Makefile.am [SINGLE_GC_OBJ && PTHREAD_START_STANDALONE]
(libgc_la_SOURCES): Add pthread_start.c entry.
* Makefile.am: Add bank lines (to improve readability).
* configure.ac [*-*-*linux*]: Add AM_CONDITIONAL(PTHREAD_START_STANDALONE).
Ivan Maidanski [Thu, 8 Jun 2017 08:09:55 +0000 (11:09 +0300)]
Fix PCR-Makefile by removing compilation of a missing file
* PCR-Makefile (COBJ): Remove solaris_threads.o entry.
* PCR-Makefile (CSRC): Remove solaris_threads.c entry.
Ivan Maidanski [Wed, 7 Jun 2017 22:16:58 +0000 (01:16 +0300)]
Do not compile pcr_interface.c and real_malloc.c except by PCR-Makefile
These .c files are empty compilation units for targets other than PCR.
* Makefile.am (libgc_la_SOURCES): Remove pcr_interface.c, real_malloc.c.
* Makefile.direct (CSRCS): Likewise.
* Makefile.am (EXTRA_DIST): Add pcr_interface.c, real_malloc.c.
* SMakefile.amiga (OBJS): Remove real_malloc.o.
* SMakefile.amiga (real_malloc.o): Remove.
Ivan Maidanski [Wed, 7 Jun 2017 22:05:52 +0000 (01:05 +0300)]
windows-untested: Do not build gc_dlopen/pcr_interface/real_malloc/specific
These .c files do not define anything for Windows platform.
Ivan Maidanski [Wed, 7 Jun 2017 21:46:11 +0000 (00:46 +0300)]
Travis CI: Test also configure --disable-thread-local-alloc
Ivan Maidanski [Wed, 7 Jun 2017 21:42:30 +0000 (00:42 +0300)]
Support configure --disable-thread-local-alloc option (similar for CMake)
* CMakeLists.txt (enable_thread_local_alloc): New option (on by
default).
* CMakeLists.txt [CMAKE_USE_PTHREADS_INIT
|| CMAKE_USE_WIN32_THREADS_INIT] (SRC): Add thread_local_alloc.c only
if enable_thread_local_alloc.
* CMakeLists.txt [CMAKE_USE_PTHREADS_INIT
|| CMAKE_USE_WIN32_THREADS_INIT]: Define THREAD_LOCAL_ALLOC macro only
if enable_thread_local_alloc.
* Makefile.am (libgc_la_SOURCES): Add thread_local_alloc.c only if
THREAD_LOCAL_ALLOC.
* configure.ac (thread-local-alloc): New option.
* configure.ac: AC_DEFINE(THREAD_LOCAL_ALLOC) only if
enable_thread_local_alloc is yes or unset.
* configure.ac (THREAD_LOCAL_ALLOC): New AM_CONDITIONAL.
Ivan Maidanski [Wed, 7 Jun 2017 08:53:14 +0000 (11:53 +0300)]
Group common defines for POSIX platforms in configure and CMake scripts
(code refactoring)
* CMakeLists.txt [CMAKE_USE_PTHREADS_INIT]: Eliminate duplication of
ADD_DEFINITIONS of GC_THREADS, _REENTRANT, PARALLEL_MARK,
THREAD_LOCAL_ALLOC (and AC_MSG_WARN) for aix, cygwin, darwin, freebsd,
gnu (including kfreebsd), hpux11, irix, linux, nacl, netbsd, openbsd,
osf, solaris platforms; add comment.
* configure.ac [THREADS=posix]: Likewise.
* configure.ac [THREADS=posix]: Remove explicit hpux10 case handling.
Ivan Maidanski [Wed, 7 Jun 2017 07:18:28 +0000 (10:18 +0300)]
Eliminate 'unused variable' compiler warning in remove_all_threads_but_me
(fix commit 0fc61f2)
* pthread_support.c [CAN_HANDLE_FORK] (GC_remove_all_threads_but_me):
Declare "res" local variable only if THREAD_LOCAL_ALLOC and
not USE_CUSTOM_SPECIFIC.
Ivan Maidanski [Tue, 6 Jun 2017 22:14:16 +0000 (01:14 +0300)]
Remove extraneous semicolons after AC_MSG_WARN (configure)
* configure.ac (AC_MSG_WARN): Remove trailing ';' symbol.
Ivan Maidanski [Tue, 6 Jun 2017 22:00:26 +0000 (01:00 +0300)]
Fix broken external links in documentation
* doc/gcdescr.html: Replace broken URLs to external document with
working ones.
* doc/overview.html: Likewise.
Ivan Maidanski [Tue, 6 Jun 2017 21:40:21 +0000 (00:40 +0300)]
Fix URL to GitHub bdwgc master in overview.html
(fix commit e3456e4)
* doc/overview.html (Contacts and new release announcements): Correct
link to GitHub bdwgc master.
Ivan Maidanski [Tue, 6 Jun 2017 07:30:50 +0000 (10:30 +0300)]
Update documentation about bugs reporting and new releases notification
* README.md (Download): Add link to BDWGC Download page on GitHub.
* README.md (Overview): Change link (for the further information) from
hboehm.info/gc to doc/overview.html.
* README.md (Bugs): Remove information about bugs reporting from this
section.
* README.md (Feedback, Contribution, Questions and Notifications): New
section.
* configure.ac (AC_INIT): Change URI for reporting bugs.
* doc/gc.man (SEE ALSO): Add link to the BDWGC main page on GitHub.
* doc/gcdescr.html: Remove information how to provide feedback.
* doc/overview.html (Contacts and Mailing List): Update information
(recommend use of GitHub and Stack Overflow, provide links to the
archives of the former mailing lists).
Ivan Maidanski [Thu, 1 Jun 2017 19:14:09 +0000 (22:14 +0300)]
Update several email addresses in AUTHORS file
Ivan Maidanski [Wed, 31 May 2017 20:15:01 +0000 (23:15 +0300)]
Update ChangeLog file
Ivan Maidanski [Wed, 31 May 2017 18:10:07 +0000 (21:10 +0300)]
Update ChangeLog file (v7.6 changes only)
Ivan Maidanski [Wed, 31 May 2017 17:27:58 +0000 (20:27 +0300)]
Update ChangeLog file (v7.2 - v7.4 changes only)
Ivan Maidanski [Tue, 30 May 2017 08:10:15 +0000 (11:10 +0300)]
Travis CI: Test --with-libatomic-ops=none instead of -D GC_BUILTIN_ATOMIC
Ivan Maidanski [Tue, 30 May 2017 08:08:14 +0000 (11:08 +0300)]
Allow configure --with-libatomic-ops=none to use GCC atomic intrinsics
* configure.ac (libatomic-ops): Allow "none" value for
--with-libatomic-ops option; update help message; use "none" as the
default value if THREADS=none.
* configure.ac [with_libatomic_ops!=no]: Refine comment; call
PKG_CHECK_MODULES(ATOMIC_OPS) only if with_libatomic_ops!=none.
* configure.ac [with_libatomic_ops!=no] (which libatomic_ops to use):
If with_libatomic_ops = none and THREADS != none then
AC_MSG_RESULT(none) and AC_DEFINE(GC_BUILTIN_ATOMIC).