Fix some typos.

On altering CFLAGS value in configure place client flags at end

* configure.ac (CFLAGS): Always append old CFLAGS value (instead of
placing it at start).

Preserve client-specified CFLAGS for DG/UX

* configure.ac (CFLAGS, CXXFLAGS): Preserve C/C++ flags passed by
client (DG/UX only); remove code duplication (put common flags to
"dgux_spec_opts" variable).

configure.ac: Expand tabs

Merge 'github.com/ivmai/bdwgc/pull/7' request

Flag autogen.sh as executable.

Typo fixes.

Remove unused 'destructor' parameter in 'specific' GC_key_create
function (add '_inner' suffix to the function name and create
GC_key_create proxy macro)

* include/private/specific.h (GC_key_create): Rename to
GC_key_create_inner; remove "destructor" parameter.
* specific.c (GC_key_create): Likewise.
* include/private/specific.h (GC_key_create): New macro redirecting
to GC_key_create_inner function.

Update TODO file

Support GC_Create/ExitThread, GC_begin/endthreadex for Cygwin and
win32-pthread

* include/gc.h (GC_CreateThread, GC_ExitThread, GC_uintptr_t,
GC_beginthreadex, GC_endthreadex): Also declare (and redirect) for
GC_PTHREADS during GC build or if the client includes windows.h before
gc.h file; add a comment.
* win32_threads.c (thread_args, GC_win32_start_inner, GC_win32_start,
GC_CreateThread, GC_ExitThread, GC_beginthreadex, GC_endthreadex):
Also define for GC_PTHREADS.

Remove PREFIXED in specific.c/h; mark "specific" functions as GC_INNER

* include/private/specific.h (PREFIXED): Remove.
* include/private/specific.h (key_t, key_create, setspecific,
remove_specific, slow_getspecific, getspecific): Expand PREFIXED macro
(add "GC_" prefix).
* specific.c (key_create, setspecific, remove_specific,
slow_getspecific, check_tsd_marks): Likewise.
* include/private/specific.h (GC_key_create, GC_setspecific,
GC_remove_specific, GC_slow_getspecific): Use GC_INNER for function.
* specific.c (GC_key_create, GC_setspecific, GC_remove_specific,
GC_slow_getspecific): Likewise.

Implement precise value boundary check in GC_is_thread_tsd_valid

* pthread_support.c (GC_is_thread_tsd_valid): Check tsd more correctly
using GC_thread and thread_local_freelists declarations; remove FIXME.
* win32_threads.c (GC_is_thread_tsd_valid): Likewise.

Fix thread_local_alloc GC_malloc[_atomic] for USE_CUSTOM_SPECIFIC TLS
platforms (e.g., Solaris)

* thread_local_alloc.c (GC_malloc, GC_malloc_atomic): Test result of
GC_getspecific() for NULL in all cases except for USE_COMPILER_TLS and
USE_WIN32_COMPILER_TLS (i.e., no-op implementation of GC_getspecific).

Fix GC_finalized_malloc to fetch GC_oom_fn value atomically

* fnlz_mlc.c (GC_finalized_malloc): Fetch GC_oom_fn value holding the
allocation lock.

Update ChangeLog file

Rename (shorten name of) finalized_mlc.c to fnlz_mlc.c file

* finalized_mlc.c: Rename to fnlz_mlc.c file.
* BCC_MAKEFILE (XXXOBJS): Rename "finalized_mlc" to "fnlz_mlc".
* EMX_MAKEFILE (OBJS): Likewise.
* Makefile.am (libgc_la_SOURCES): Likewise.
* Makefile.direct (OBJS, CSRCS): Likewise.
* Makefile.dj (OBJS, CSRCS): Likewise.
* NT_MAKEFILE (OBJS): Likewise.
* NT_STATIC_THREADS_MAKEFILE (OBJS): Likewise.
* NT_X64_STATIC_THREADS_MAKEFILE (OBJS): Likewise.
* NT_X64_THREADS_MAKEFILE (OBJS): Likewise.
* OS2_MAKEFILE (OBJS): Likewise.
* PCR-Makefile (COBJ, CSRC): Likewise.
* SMakefile.amiga (OBJS, finalized_mlc.o): Likewise.
* WCC_MAKEFILE (OBJS): Likewise.
* digimars.mak (OBJS, finalized_mlc.o): Likewise.
* extra/gc.c: Likewise.
* gc.mak: Likewise.
* thread_local_alloc.c: Likewise.
* windows-untested/vc60/gc.dsp (SOURCE): Likewise.
* windows-untested/vc60/libgc.dsp (SOURCE): Likewise.
* windows-untested/vc70/gc.vcproj: Likewise.
* windows-untested/vc70/libgc.vcproj: Likewise.
* windows-untested/vc70/libgcmt.vcproj: Likewise.
* windows-untested/vc71/gc.vcproj: Likewise.
* windows-untested/vc71/libgc.vcproj: Likewise.
* windows-untested/vc71/libgcmt.vcproj: Likewise.

Fix some rare scripts for missing dependencies for finalized_mlc.c

* PCR-Makefile (CSRC): Add finalized_mlc.c emtry.
* digimars.mak (finalized_mlc.obj): Add dependency.
* gc.mak: Add 6 missing entries for finalized_mlc.

Resolve minor warnings (reported by GCC with '-pedantic') in checksums

* checksums.c (GC_update_check_page): Explicitly cast a pointer
argument of GC_printf to void* to match %p format specifier.

Fix extra/gc.c to include new finalized_mlc.c file

* extra/gc.c: Include finalized_mlc.c file (after finalize.c).

Resolve minor warnings in tests (reported by GCC with '-pedantic' option)

* tests/disclaim_test.c (pair_dct, pair_new): Explicitly cast
a pointer argument of GC_printf to void* to match %p format specifier.
* tests/test.c (cons, print_int_list, run_one_test, check_heap_stats):
Likewise.

Add macro to optionally omit GC_move_disappearing_link

* finalize.c (GC_move_disappearing_link): Do not define if
GC_MOVE_DISAPPEARING_LINK_NOT_NEEDED defined (new macro).

Swap GC_unregister_disappearing_link and GC_move_disappearing_link
prototypes order in include/gc.h

Refactor GC_move_disappearing_link() code;
make GC_move_disappearing_link(link,link) return GC_SUCCESS

* finalize.c (GC_move_disappearing_link): Rename "from", "to"
arguments to "link" and "new_link", respectively.
* include/gc.h (GC_move_disappearing_link): Likewise.
* finalize.c (GC_move_disappearing_link): Rename "to_curr_dl",
"from_index", "to_index" local variables to "new_dl", "curr_index",
"new_index", respectively.
* finalize.c (GC_move_disappearing_link): Add curr_hidden_link,
new_hidden_link local variables to evaluate GC_HIDE_POINTER(link) and
GC_HIDE_POINTER(new_link) only once.
* finalize.c (GC_move_disappearing_link): Reformat code.
* finalize.c (GC_move_disappearing_link): Do not ABORT in case of
unaligned "link", return GC_NOT_FOUND instead (similar to
GC_unregister_disappearing_link behavior).
* finalize.c (GC_move_disappearing_link): If new_link is equal to
link then return GC_SUCCESS instead of GC_DUPLICATE.
* include/gc.h (GC_move_disappearing_link, GC_NOT_FOUND): Refine and
update documentation comment.
* tests/test.c (mktree): Add "new_link" local variable; add
GC_move_disappearing_link invocations; apply
GC_unregister_disappearing_link to "new_link".

add GC_move_disappearing_link

* finalize.c (GC_move_disappearing_link): New function, moves a
  disappearing link.

* include/gc.h: Add declaration, and new return code GC_NOT_FOUND.

Merge branch 'master' of github.com:ivmai/bdwgc

Merge remote-tracking branch 'origin/paurkedal-disclaim-v2'

Update AUTHORS (add one email)

Update AUTHORS

gcconfig.h: Add machine description for Hexagon

Do not define internal GC_parse_map_entry() unless really used.

* include/private/gc_priv.h (GC_parse_map_entry): Do not declare
unless USE_PROC_FOR_LIBRARIES.
* os_dep.c (GC_parse_map_entry): Test USE_PROC_FOR_LIBRARIES macro
in addition to DYNAMIC_LOADING (in condition whether to define this
function).

Resolve minor merge conflict in gc_disclaim.h, disclaim_bench.c

Fix compiler warnings in disclaim tests

finalized_mlc.c: Add GC_ATTR_UNUSED tag to GC_finalized_disclaim

.gitignore: Ignore disclaim tests executables

Add comment on GC_init_finalized_malloc.

Add gcj_mlc.o to the windows-untested project files (untested).

Use gc_priv.h API for timing in tests/disclaim_bench.c.

Make disclaim_bench.c more portable.

* tests/disclaim_bench.c (main): Run all three sub-tests in the same
process, rather than invoking them through a system-call.
* tests/disclaim_bench.c (free_count, testobj_finalize): Drop the use of
atomic ops, since the benchmark is single-threaded.  We can now also run
the test unconditionally.

Add finalized_mlc.* to various makefiles.

Review 'disclaim' add-on partially; fix code in some places again

Skip disclaim_bench.c if AO_fetch_and_add1 is missing.

Adjust tests code for 'disclaim' feature

Review 'disclaim' add-on partially; fix code in some places

Fix issues proposed in Ivan's previous commit, etc.

* disclaim.c -> {finalized_mlc.c, misc.c}: Move low-level code to misc.c and
the finalized object-kind to finalized_mlc.c.
* Makefile.am: Update accordingly.
* reclaim.c: Condition #include "gc_disclaim.h" and remove "register".
* include/gc_disclaim.h, include/private/gc_priv.h, finalized_mlc.c, misc.c:
Add GC_API, GC_CALL, and GC_CALLBACK.  Use typedefs for function pointers.
* tests/disclaim_test.c, tests/disclaim_bench.c: Fix portability and other
issues.

* include/gc_disclaim.h: Forward declare ...
* finalized_mlc.c: ... and export GC_finalized_objfreelist.
* thread_local_alloc.c (GC_destroy_thread_local): Return finalized
freelists though the same global.
* include/private/thread_local_alloc.h: Tweak (move array above comment).

* Makefile.dj, NT_MAKEFILE, NT_STATIC_THREADS_MAKEFILE,
NT_X64_STATIC_THREADS_MAKEFILE, NT_X64_THREADS_MAKEFILE, gc.mak,
windows-untested/vc60/gc.dsp, windows-untested/vc70/gc.vcproj,
windows-untested/vc71/gc.vcproj: Add include/gc_disclaim.h to various build
systems.  (Untested.)

ENABLE_DISCLAIM: Make stylistic fixes in many places and add many FIXME.

Add and update some copyright and remove README.disclaim.

* README.disclaim: Remove as it only contained patching instructions.
* disclaim.c: Add copyright notice.
* include/gc_disclaim.h: Update year on copyright notice.

Fix some issues and avoid warnings in disclaim-related code.

* disclaim.c, include/gc_disclaim.h: Fix prototype.
* include/private/gc_priv.h, mark.c: Avoid missing initializer warning.
* mark.c: Fix type of a size_t variable in GC_reclaim_block.
* misc.c: Initialize ok_mark_unconditionally.
* reclaim.c: Tweak and avoid unused label warning.
* tests/disclaim_bench.c, tests/disclaim_test.c: Remove or
conditionalize unused variables.

Implement freeing of blocks with disclaim callbacks.

Adjust comments and whitespace.

Adjustment to disclaim.c after config.h and a prototype change.

Fixed compilation errors, also tests passes.

reclaim.c: Removed obsolete argument to GC_reclaim_small_nonempty_block.

Fixed memory leak issue with unconditional marking.

disclaim.c: Renamed RAW_BYTES_FROM_INDEX to GC_RAW_BYTES_FROM_INDEX according to change in original branch.

README.disclaim: Patching instruction.

Add disclaim callbacks for efficient finalization.

Importing gc-20070403-disclaim-1.0.patch.

* configure.ac: Add --disable-disclaim option and set ENABLE_DISCLAIM macro
and conditional accordingly.
* include/include.am, Makefile.am Add sources disclaim.c and
include/gc_disclaim.h.
* Makefile.direct: Ditto and define ENABLE_DISCLAIM.

* include/private/gc_priv.h (obj_kind): Add ok_mark_unconditionally,
ok_disclaim_proc and ok_disclaim_cd.
* misc.c (GC_new_kind_inner): Initialize them.
* include/private/gc_priv.h (hblkhdr): Add HAS_DISCLAIM and
MARK_UNCONDITIONALLY flags.
* allchblk.c (setup_header): Set HAS_DISCLAIM and MARK_UNCONDITIONALLY flags
as indicated by the object kind.

* reclaim.c: Main adjustments to support the disclaim callbacks.
* mark.c (GC_push_unconditionally, GC_push_next_marked_uncollecable):
Unconditionally mark from objects in blocks flagged MARK_UNCONDITIONALLY.
This preserves links reachable from the finalizer when using the the
finalized object kind.

* disclaim.c: Add file with support functions for disclaim callbacks and
implementation of the "finalized" object kind.
* include/gc_disclaim.h: Add file providing the corresponding API.
* include/private/thread_local_alloc.h (thread_local_freelists): Add
finalized_freelists.
* thread_local_alloc.c: Initialize them.

* tests/tests.am, tests/disclaim_test.c, tests/disclaim_bench.c: Add
disclaim-related tests.

Update TODO file

Resolve some minor warnings reported by GCC with '-pedantic' option

* allchblk.c (GC_print_hblkfreelist, GC_dump_regions, GC_freehblk):
Explicitly cast a pointer argument of GC_printf to void* to match %p
format specifier.
* reclaim.c (GC_print_free_list): Likewise.

mach_dep.c: Replace C++ style comments with C ones

tests: Add missing checks of GC_malloc result (for out-of-memory)

* tests/test.c (mktree): Insert CHECK_OUT_OF_MEMORY to report mktree()
out-of-memory failures.
* tests/trace_test.c (mktree): Test whether GC_MALLOC_ATOMIC returns
NULL (exit with an error code and the appropriate message printed in
this case).

Add missing GC_ATTR_UNUSED annotation to a function in backgraph

* backgraph.c (pop_in_progress): Tag the argument with GC_ATTR_UNUSED.

Fix compiler warnings in disclaim tests

finalized_mlc.c: Add GC_ATTR_UNUSED tag to GC_finalized_disclaim

.gitignore: Ignore disclaim tests executables

Merge branch 'remotes/paurkedal/t/disclaim-pullreq' plus some minor fixes

Add comment on GC_init_finalized_malloc.

Add gcj_mlc.o to the windows-untested project files (untested).

Use gc_priv.h API for timing in tests/disclaim_bench.c.

Make disclaim_bench.c more portable.

* tests/disclaim_bench.c (main): Run all three sub-tests in the same
process, rather than invoking them through a system-call.
* tests/disclaim_bench.c (free_count, testobj_finalize): Drop the use of
atomic ops, since the benchmark is single-threaded.  We can now also run
the test unconditionally.

Add finalized_mlc.* to various makefiles.

Review 'disclaim' add-on partially; fix code in some places again

Skip disclaim_bench.c if AO_fetch_and_add1 is missing.

Adjust tests code for 'disclaim' feature

Review 'disclaim' add-on partially; fix code in some places

Merge remote-tracking branch 'remotes/paurkedal/t/disclaim-pullreq' into paurkedal-disclaim-v2

Change configure to define NO_DEBUGGING if "--disable-gc-debug"

* configure.ac (NO_DEBUGGING): Define based on testing enable_gc_debug
value (instead of based on with_cross_host value).

Fix commit 505b041 regarding configure THREAD_LOCAL_ALLOC (Win32)

* configure.ac (THREAD_LOCAL_ALLOC): Test enable_shared and
enable_static values properly when setting THREAD_LOCAL_ALLOC
in case PARALLEL_MARK is off (Win32 only).

Update TODO file

Define GC_DLL if building only dynamic libraries.
Update README for Cygwin/MinGW.

* configure.ac (GC_DLL): New AC template; define if only the dynamic
libraries are being built.
* configure.ac (THREAD_LOCAL_ALLOC): Define for Win32 implicitly
if static libraries are being built (i.e. GC_DLL is not defined).
* doc/README.win32: Update "GNU Tools" section.

Fix thread model in configure for MinGW.

* configure.ac (THREADS): Change "posix" to "win32" in case of
cross-compiling to MinGW.

Enable parallel marker in configure for Solaris.

* configure.ac (PARALLEL_MARK): Check --enable-parallel-mark also for
Solaris.

Add missing GC_ATTR_UNUSED annotation to some functions in gctest

* tests/test.c (tiny_reverse_test, WinMain, thr_run_one_test,
thr_window): Tag the arguments with GC_ATTR_UNUSED.

Remove obsolete Makefile.DLL (superseded by cygwin/mingw configure)

* Makefile.DLL: Remove.
* Makefile.am (EXTRA_DIST): Remove Makefile.DLL entry.
* Makefile.direct (OTHER_MAKEFILES): Likewise.
* Makefile.dj (OTHER_FILES): Likewise.
* Makefile.direct: Remove comment about Makefile.DLL.

Add TODO item

.gitignore: Add subthread_create

Fix GC_inner_start_routine() to prevent local variable clobbering.

* pthread_start.c (GC_inner_start_routine): Add volatile to "me" local
variable to prevent its clobbering.

Add missing GC_ATTR_UNUSED annotation to mark_ex_handler().

* mark.c (mark_ex_handler): Tag "disp_ctxt" argument with
GC_ATTR_UNUSED.

Adjust subthread_create test.

* tests/subthread_create.c: Skip test if AO_fetch_and_add is missing.
* tests/subthread_create.c: Implement for Win32 threads (include
windows.h instead of pthread.h unless GC_PTHREADS).
* tests/subthread_create.c (entry, main): Likewise.
* tests/subthread_create.c (MAX_SUBTHREAD_DEPTH, MAX_SUBTHREAD_COUNT,
INITIAL_THREAD_COUNT): Define only if INITIAL_THREAD_COUNT undefined.
* tests/subthread_create.c (MAX_ALIVE_THREAD_COUNT): New macro.
* tests/subthread_create.c (DECAY_NUMER, DECAY_DENOM): Define only if
DECAY_NUMER is undefined.
* tests/subthread_create.c (INITIAL_THREAD_COUNT, MAX_SUBTHREAD_DEPTH,
MAX_SUBTHREAD_COUNT): Make the values smaller.
* tests/subthread_create.c (thread_created_cnt): Move out of entry();
make volatile.
* tests/subthread_create.c (thread_ended_cnt): New AO variable.
* tests/subthread_create.c (entry): Use "arg" value (instead of
address); adjust thread_ended_cnt on function exit; print thread
number in case of failure; limit the number of concurrently running
threads (by MAX_ALIVE_THREAD_COUNT).
* tests/subthread_create.c (main): Print threads creation statistic on
exit; exit with code 1 (instead of 69) in case of failure.

tests: print a message in case a test is a no-op.

* tests/threadkey_test.c (main): Print a message if the test is
skipped.

Merge remote-tracking branch 'paurkedal/pullreq/subthread_create_test'

Fix issues proposed in Ivan's previous commit, etc.

* disclaim.c -> {finalized_mlc.c, misc.c}: Move low-level code to misc.c and
the finalized object-kind to finalized_mlc.c.
* Makefile.am: Update accordingly.
* reclaim.c: Condition #include "gc_disclaim.h" and remove "register".
* include/gc_disclaim.h, include/private/gc_priv.h, finalized_mlc.c, misc.c:
Add GC_API, GC_CALL, and GC_CALLBACK.  Use typedefs for function pointers.
* tests/disclaim_test.c, tests/disclaim_bench.c: Fix portability and other
issues.

* include/gc_disclaim.h: Forward declare ...
* finalized_mlc.c: ... and export GC_finalized_objfreelist.
* thread_local_alloc.c (GC_destroy_thread_local): Return finalized
freelists though the same global.
* include/private/thread_local_alloc.h: Tweak (move array above comment).

* Makefile.dj, NT_MAKEFILE, NT_STATIC_THREADS_MAKEFILE,
NT_X64_STATIC_THREADS_MAKEFILE, NT_X64_THREADS_MAKEFILE, gc.mak,
windows-untested/vc60/gc.dsp, windows-untested/vc70/gc.vcproj,
windows-untested/vc71/gc.vcproj: Add include/gc_disclaim.h to various build
systems.  (Untested.)

ENABLE_DISCLAIM: Make stylistic fixes in many places and add many FIXME.

Add and update some copyright and remove README.disclaim.

* README.disclaim: Remove as it only contained patching instructions.
* disclaim.c: Add copyright notice.
* include/gc_disclaim.h: Update year on copyright notice.

Fix some issues and avoid warnings in disclaim-related code.

* disclaim.c, include/gc_disclaim.h: Fix prototype.
* include/private/gc_priv.h, mark.c: Avoid missing initializer warning.
* mark.c: Fix type of a size_t variable in GC_reclaim_block.
* misc.c: Initialize ok_mark_unconditionally.
* reclaim.c: Tweak and avoid unused label warning.
* tests/disclaim_bench.c, tests/disclaim_test.c: Remove or
conditionalize unused variables.

Implement freeing of blocks with disclaim callbacks.

Adjust comments and whitespace.

Adjustment to disclaim.c after config.h and a prototype change.

Fixed compilation errors, also tests passes.

reclaim.c: Removed obsolete argument to GC_reclaim_small_nonempty_block.

Fixed memory leak issue with unconditional marking.

disclaim.c: Renamed RAW_BYTES_FROM_INDEX to GC_RAW_BYTES_FROM_INDEX according to change in original branch.

README.disclaim: Patching instruction.

Add disclaim callbacks for efficient finalization.

Importing gc-20070403-disclaim-1.0.patch.

* configure.ac: Add --disable-disclaim option and set ENABLE_DISCLAIM macro
and conditional accordingly.
* include/include.am, Makefile.am Add sources disclaim.c and
include/gc_disclaim.h.
* Makefile.direct: Ditto and define ENABLE_DISCLAIM.

* include/private/gc_priv.h (obj_kind): Add ok_mark_unconditionally,
ok_disclaim_proc and ok_disclaim_cd.
* misc.c (GC_new_kind_inner): Initialize them.
* include/private/gc_priv.h (hblkhdr): Add HAS_DISCLAIM and
MARK_UNCONDITIONALLY flags.
* allchblk.c (setup_header): Set HAS_DISCLAIM and MARK_UNCONDITIONALLY flags
as indicated by the object kind.

* reclaim.c: Main adjustments to support the disclaim callbacks.
* mark.c (GC_push_unconditionally, GC_push_next_marked_uncollecable):
Unconditionally mark from objects in blocks flagged MARK_UNCONDITIONALLY.
This preserves links reachable from the finalizer when using the the
finalized object kind.

* disclaim.c: Add file with support functions for disclaim callbacks and
implementation of the "finalized" object kind.
* include/gc_disclaim.h: Add file providing the corresponding API.
* include/private/thread_local_alloc.h (thread_local_freelists): Add
finalized_freelists.
* thread_local_alloc.c: Initialize them.

* tests/tests.am, tests/disclaim_test.c, tests/disclaim_bench.c: Add
disclaim-related tests.

Add test case to expose a bug with thread creation.