Commit Graph

107 Commits

Author SHA1 Message Date
Corinna Vinschen 764d261276 * init.cc (dll_entry): Revert previous patch. This requires another
solution.
	* miscfuncs.cc (thread_wrapper): Ditto.
	* sigproc.cc (exit_thread): Disable sending a signal for synchronization
	with process exit.  Explain why.  Keep code in for later inspection,
	should the problem show up again.
	(sig_send): Use "tls", rather than "tid" as name for _cygtls arg.
2014-11-21 21:41:37 +00:00
Corinna Vinschen f2a0724fca * init.cc (dll_entry): Call _my_tls.remove with INFINITE wait period
to avoid SEGVs and subsequent hangs in _cygtls::find_tls.
	* miscfuncs.cc (thread_wrapper): Ditto.
2014-11-20 16:23:14 +00:00
Corinna Vinschen 3f3bd10104 * Throughout, use __try/__except/__endtry blocks, rather than myfault
handler.
	* cygtls.cc (_cygtls::remove): Accommodate the fact that pathbufs
	has been moved from _local_storage to _cygtls.
	* cygtls.h (class tls_pathbuf): Add comment to hint to gendef usage
	of counters.  Change type of counters to uint32_t for clarity.
	Remove _cygtls as friend class.
	(struct _local_storage): Move pathbufs from here...
	(struct _cygtls): ...to here, allowing to access it from _sigbe.
	(class san): Only define on 32 bit.  Remove errno, _c_cnt and _w_cnt
	members.
	(san::setup): Drop parameter.  Don't initialize removed members.
	(san::leave): Don't set removed members.
	(class myfault): Only define on 32 bit.
	(myfault::faulted): Only keep implementation not taking any parameter.
	Drop argument in call to sebastian.setup.
	(__try/__leave/__except/__endtry): Implement to support real SEH.  For
	now stick to SJLJ on 32 bit.
	* dcrt0.cc (dll_crt0_0): Drop 64 bit call to
	exception::install_myfault_handler.
	* exception.h (exception_handler): Define with EXCEPTION_DISPOSITION
	as return type.
	(PDISPATCHER_CONTEXT): Define as void * on 32 bit.  Define as pointer
	to _DISPATCHER_CONTEXT on 64 bit.
	(class exception): Define separately for 32 and 64 bit.
	(exception::myfault): Add handler for myfault SEH handling on 64 bit.
	(exception::exception): Fix mangled method name to account for change
	in type of last parameter.
	(exception::install_myfault_handler): Remove.
	* exceptions.cc (exception::myfault_handle): Remove.
	(exception::myfault): New SEH handler for 64 bit.
	* gendef (_sigbe): Set tls_pathbuf counters to 0 explicitely when
	returning to the caller.
	* ntdll.h: Move a comment to a better place.
	(struct _SCOPE_TABLE): Define on 64 bit.
	* thread.cc (verifyable_object_isvalid): Remove gcc 4.7 workaround.
	* tls_pbuf.cc (tls_pbuf): Fix to accommodate new place of pathbufs.
	(tls_pathbuf::destroy): Change type of loop variables to uint32_t.
	* tls_pbuf.h (class tmp_pathbuf): Change type of buffer counters to
	uint32_t.  Accommodate new place of pathbufs.
	* tlsoffsets.h: Regenerate.
	* tlsoffsets64.h: Regenerate.
2014-08-22 09:21:33 +00:00
Corinna Vinschen 33ed7bb5bc * miscfuncs.cc (__import_address): Cover the first dereference to imp
under the fault handler.
2014-08-21 09:04:09 +00:00
Corinna Vinschen bd094739f3 * miscfuncs.cc (strlwr): Rename from cygwin_strlwr. Drop __stdcall
decoration.
	(strupr): Rename from cygwin_strupr.  Drop __stdcall decoration.
	* string.h (strlwr): Remove override macro.  Simply declare.
	(strupr): Ditto.
2014-08-18 18:24:06 +00:00
Corinna Vinschen ef7e42ec0f * miscfuncs.cc (check_iovec): Allow 0 as valid iovcnt value. 2014-04-23 15:26:14 +00:00
Corinna Vinschen f8efc42f66 * ldap.cc (rediscover_thread): Give argument a useful name.
* miscfuncs.cc (NT_readline::init): It's a really bad idea trying to
	print a pointer to a PUNICODE_STRING as PUNICODE_STRING.  Fix it.
	* uinfo.cc (cygheap_domain_info::init): Print status codes as hex
	values in debug output.
2014-02-11 17:45:09 +00:00
Corinna Vinschen 234074f683 * miscfuncs.h (class NT_readline): New class to implement line-wise
reading from file using native NT functions.
	* miscfuncs.cc (NT_readline::init): New method.
	* mount.cc (mount_info::from_fstab): Utilize NT_readline to read
	fstab files.
2014-02-08 20:57:27 +00:00
Corinna Vinschen 3073f26d6a Throughout, keep function definitions and declarations in sync with
newlib in terms of C99 "restrict" keyword.
2013-11-25 11:38:08 +00:00
Corinna Vinschen d2a88d9792 Throughout, drop unnecessary explicit includes of windows header files
included by default.
	* winlean.h: Add long comment to explain why we have to define certain
	symbols.
	(_NORMALIZE_): Define.
	(_WINNLS_): Drop definition and subsequent undef.
	(_WINNETWK_): Ditto.
	(_WINSVC_): Ditto.

2013-11-23  Eric Blake  <eblake@redhat.com>
2013-11-24 12:13:36 +00:00
Christopher Faylor 1952976a1b * miscfuncs.cc (yield): Revert (after researching) to calling SleepEx with 0.
We don't want to actually sleep when calling this function.
2013-06-08 16:39:52 +00:00
Christopher Faylor 1eaf9215cb revert accidentally checked in files 2013-06-08 14:42:44 +00:00
Christopher Faylor 5d35299e51 * cygwait.cc (cygwait): Remove lock around sig retrieval since this code is
essentially guarded by thread-specific signal_arrived.
* exceptions.cc (_cygtls::handle_SIGCONT): Simplify.  Eliminate lock/unlock
since code is guarded by signal_arrived.
2013-06-08 14:38:20 +00:00
Corinna Vinschen b3f0fb6baa * exceptions.cc (_cygtls::handle_SIGCONT): Simplify loop waiting for
sig_handle_tty_stop to wake up.  Make sure to unlock before calling
	yield to avoid starvation of sig_handle_tty_stop.  Add comments.
	* miscfuncs.cc (yield): Explain why yield should never be called under
	_cygtls::lock conditions.  Call SleepEx with 1ms timeout.  Explain why.
2013-06-06 15:29:41 +00:00
Corinna Vinschen 3e8d2576fd * globals.cc (__isthreaded): New global variable. Explain what it's
used for.
	* miscfuncs.cc (thread_wrapper): Set __isthreaded to 1 here.
2013-05-21 18:53:23 +00:00
Yaakov Selkowitz 1f36328e7f Throughout, (mainly in fhandler*) fix remaining gcc 4.7 mismatch
warnings between regparm definitions and declarations.
* smallprint.cc (__small_vswprintf): Conditionalize declaration and
setting of l_opt for only x86_64.
* spawn.cc (child_info_spawn::worker): Remove unused 'pid' variable.
* thread.cc (verifyable_object_isvalid): Temporarily define as
non-inline with gcc 4.7+, regardless of target.
2013-05-01 01:20:37 +00:00
Corinna Vinschen 61522196c7 * Merge in cygwin-64bit-branch. 2013-04-23 09:44:36 +00:00
Christopher Faylor 0e8c8b0093 * miscfuncs.cc (__import_address): On second thought, the chance that this
pointer could be NULL is very low so don't bother checking for it.
2013-01-23 14:06:06 +00:00
Christopher Faylor 1fc747f37a * miscfuncs.cc (__import_address): Avoid NULL explicitly. 2013-01-23 02:06:44 +00:00
Christopher Faylor 9c4478df47 * miscfuncs.cc (__import_address): Avoid treating random instructions as import
jump.
* malloc_wrapper.cc (malloc_init): Remove comment about 64-bit.
2013-01-23 02:02:36 +00:00
Christopher Faylor 6e75c72b89 Throughout, change __attribute__ ((regparm (N))) to just __regN. Throughout,
(mainly in fhandler*) start fixing gcc 4.7.2 mismatch between regparm
definitions and declarations.
* gendef: Define some functions to take @ declaration to accommodate _regN
defines which use __stdcall.
* gentls_offsets: Define __regN macros as empty.
* autoload.cc (wsock_init): Remove unneeded regparm attribute.
* winsup.h (__reg1): Define.
(__reg2): Define.
(__reg3): Define.
* advapi32.cc (DuplicateTokenEx): Coerce some initializers to avoid warnings
from gcc 4.7.2.
* exceptions.cc (status_info): Declare struct to use NTSTATUS.
(cygwin_exception::dump_exception): Coerce e->ExceptionCode to NTSTATUS.
* fhandler_clipboard.cc (cygnativeformat): Redefine as UINT to avoid gcc 4.7.2
warnings.
(fhandler_dev_clipboard::read): Ditto.
2013-01-21 04:34:52 +00:00
Christopher Faylor 4713b1b294 * malloc_wrapper.cc: Change 'use_internal_malloc' to 'use_internal' throughout.
(export_malloc_called): Delete.
(internal_malloc_determined): New variable.
(malloc_init): Control calculation of internal/external malloc based on
'internal_malloc_determined'.  Use import_address() to determine if malloc in
user_data is ours or not.
* miscfuncs.cc (thread_wrapper): Make static.
(__import_address): Define new function.
* miscfuncs.h (import_address): New define.
(__import_address): Declare new function.
2013-01-20 22:59:58 +00:00
Christopher Faylor c3a4634985 Revert the reversion and go with implementation described in cgf-000017, with
some modifications.
* init.cc (dll_entry): Revert previous change.
* miscfuncs.cc: Include sigproc.h for exit_thread declaration.
* winsup.h (ExitThread): Define as 'exit_thread' to ensure no accidental use.
* sigproc.cc (exit_thread): New function.
(wait_sig): Handle __SIGTHREADEXIT case.  Don't just block rather than
returning from this function.
* sigproc.h (__SIGTHREADEXIT): New enum.
(exit_thread): Declare.
* sync.cc (muto::release): Accept a tls command-line argument.
* sync.h (muto::release): Accept a tls command-line parameter.  Default to
&_my_tls.
* cygerrno.h (__set_errno): Define as extern so that no function code is ever
emitted.
* cygserver_ipc.h (cygserver_ipc.h): Ditto.
* miscfuncs.h (transform_chars): Ditto.
* path.h (has_attribute): Ditto.
* security.h (privilege_luid): Ditto.
* winsup.h (flush_file_buffers): Ditto.
2012-12-21 21:30:56 +00:00
Christopher Faylor 65068ebd7f * DevNotes: Add entry cgf-000018.
* init.cc (dll_entry): Grab process lock before exiting to ensure that thread
doesn't exit before parent if parent is exiting.
* _cygtls.cc (_cygtls::call2): Revert previous 2012-12-21 change.
* miscfuncs.cc (thread_wrapper): Ditto.
* thread.cc (pthread::exit): Ditto.
* sigproc.cc (exit_thread): Ditto.
(wait_sig): Ditto.
* sync.cc (muto::release): Ditto.
* sync.h (muto::release): Ditto.
* sigproc.h (__SIGTHREADEXIT): Delete enum.
(exit_thread): Delete declaration.
2012-12-21 19:32:43 +00:00
Christopher Faylor 614aff88a0 * DevNotes: Add entry cgf-000017.
* _cygtls.cc (_cygtls::call2): Use new exit_thread function in place of
ExitThread.
* miscfuncs.cc (thread_wrapper): Ditto.
* thread.cc (pthread::exit): Ditto.
(pthread_mutex::unlock): Set tid to NULL rather than 0.
(pthread_spinlock::unlock): Ditto.
* pinfo.cc (commune_process): Actually call lock_process constructor.
* sigproc.cc (exit_thread): New function.
(wait_sig): Handle __SIGTHREADEXIT case.  Don't just block rather than
returning from this function.
* sigproc.h (__SIGTHREADEXIT): New enum.
(exit_thread): Declare.
* sync.cc (muto::release): Accept a tls command-line argument.
* sync.h (muto::release): Accept a tls command-line parameter.  Default to
&_my_tls.
2012-12-21 18:52:00 +00:00
Christopher Faylor 46f5dd5958 whitespace cleanup 2012-08-16 23:34:45 +00:00
Corinna Vinschen 165f575341 * miscfuncs.cc (WritePipeOverlapped): Define second parameter LPCVOID,
rather than PCVOID.
	* miscfuncs.h (WritePipeOverlapped): Ditto.
2012-06-27 13:35:48 +00:00
Corinna Vinschen fb97e87479 * miscfuncs.cc: Revert change from 2012-02-13 which used the
Windows-provided stack rather than an own stack created in
	CygwinCreateThread.
	(struct thread_wrapper_arg): Rename commitsize to stacklimit.
	(CygwinCreateThread): Rename commitsize to real_stacklimit.
2012-02-15 21:34:06 +00:00
Corinna Vinschen 722c69734d * miscfuncs.cc (struct thread_wrapper_arg): Convert char * to PBYTE.
Change related casts throughout.
	(thread_wrapper): Only do the thread change if the application provided
	the stack.  Otherwise, just use the Windows-provided stack.  Set up
	POSIX guardpage here, if necessary.  Move related comment from
	CygwinCreateThread here.
	(CygwinCreateThread): Never allocate and set up own stack here.  Just
	compute stack size to reserve and use value in CreateThread call if
	stack hasn't been provided by the application.
2012-02-13 15:23:03 +00:00
Corinna Vinschen d7bcd2a16f * Makefile.in (clean): Remove non-existant regexp dir.
* collate.h: New header.
	(__collate_range_cmp): Declare.
	(__collate_load_error): Define.
	* glob.cc: Pull in latest version from FreeBSD.  Simplify and reduce
	Cygwin-specific changes.
	* regex/regcomp.c: Include collate.h on Cygwin as well.
	(__collate_range_cmp): Move from here...
	* nlsfuncs.cc (__collate_range_cmp): ...to here.

	* miscfuncs.cc (thread_wrapper): Fix typo in comment.
	(CygwinCreateThread): Take dead zone of Windows stack into account.
	Change the way how the stack is commited and how to handle guardpages.
	Explain how and why.
	* thread.h (PTHREAD_DEFAULT_STACKSIZE): Change definition.  Explain why.
2012-02-13 13:12:37 +00:00
Corinna Vinschen ce48510394 * miscfuncs.cc (DEFAULT_STACKSIZE): Remove.
(CygwinCreateThread): Simplify code by assuming that now stack-related
	input values are undefined.  Set stack protection to PAGE_READWRITE,
	as is default on Windows.  Add lengthy comment to explain POSIX
	guardpage.
	* thread.cc (pthread_attr::pthread_attr): Initialize stacksize as
	PTHREAD_DEFAULT_STACKSIZE.  Initialize guardsize as
	PTHREAD_DEFAULT_GUARDSIZE.
	* thread.h (PTHREAD_DEFAULT_STACKSIZE): Define.  Add comment to explain.
	(PTHREAD_DEFAULT_GUARDSIZE): Define.
2012-02-11 17:37:02 +00:00
Corinna Vinschen 793371f584 * miscfuncs.cc (DEFAULT_STACKSIZE): Set to 1 Megs. Drop comment about
RLIMIT_STACK.

	* registry.cc (get_registry_hive_path): Expect the user hive path to
	be never longer than MAX_PATH.  Don't prepend native NT path prefix
	here.  Add comment.
	(load_registry_hive): Prepend native NT path prefix here.  Additionally
	try to load user's classes hive.
	* uinfo.cc (cygheap_user::env_userprofile): Reduce size of
	userprofile_env_buf to MAX_PATH.  Add comment.
2012-02-10 20:56:22 +00:00
Corinna Vinschen cde9b54e71 * miscfuncs.cc (thread_wrapper): Make sure stack is 16 byte aligned
to make gcc-3 compiled pthread applications happy.
2012-01-09 14:19:56 +00:00
Christopher Faylor 1b23b30b29 Clean up whitespace. 2011-12-17 23:39:47 +00:00
Christopher Faylor 9f65451e3e * fhandler.h (fhandler_pipe::create): Rename from the misnamed
"create_selectable".  Change return to DWORD.
(fhandler_pty_common::pipesize): New constant.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Reflect create_selectable
name change.
* miscfuncs.cc (CreatePipeOverlapped): Ditto.
* pipe.cc (fhandler_pipe::create): Ditto.
(fhandler_pipe::create): Rename from the misnamed "create_selectable".  Return
DWORD.  Only set pipe size to default when it is passed in as zero.
* fhandler_tty.cc (fhandler_pty_master::setup): Ditto.  Use
fhandler_pty_common::pipesize rather than a raw constant.
* tty.cc (tty::not_allocated): Ditto.
* sigproc.cc (sigproc_init): Use create_selectable to create the signal pipe to
get a more appropriate message based pipe.
2011-11-23 18:56:57 +00:00
Christopher Faylor cd071d1363 * fhandler.h (fhandler_pipe::create_selectable): Remove optional argument, take
an options argument for CreateNamedPipe/CreateFile.  Change handle arguments to
expect pointers.
(fhandler_fifo::fifo_state): Delete.
(fhandler_fifo::dummy_client): Ditto.
(fhandler_fifo::open_nonserver): Ditto.
(fhandler_fifo::wait_state): Ditto.
(fhandler_fifo::raw_write): Ditto.
(fhandler_fifo::read_ready): New field.
(fhandler_fifo::write_ready): Ditto.
(fhandler_fifo::wait): Modify argument.
(fhandler_fifo::fifo_name): Add a new argument.
(fhandler_fifo::fixup_after_fork): New function.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove initialization of
expunged elements.  Initialize new handles to NULL.
(fhandler_fifo::open_nonserver): Delete.
(fnevent): New macro for creating a named event.
(fnpipe): New macro for creating a unique named pipe name.
(create_pipe): New macro for simplification of named pipe creation.
(fhandler_fifo::fifo_name): Use new argument when creating a shared name.
(fhandler_fifo::open): Rewrite.  Use events to synchronize.
(pure_debug_printf): New macro, active only when DEBUGGING.
(fhandler_fifo::wait): Rewrite to wait for new fifo events which are supplied
as a parameter.
(fhandler_fifo::raw_read): Rewrite to use handle mechanism to detect
client-side disconnect.
(fhandler_fifo::raw_write): Delete.
(fhandler_fifo::close): Remove accommodations for expunged fields.  Close event
handles.
(fhandler_fifo::dup): Remove accommodations for expunged fields.  Duplicate
event handles.
(fhandler_fifo::fixup_after_fork): New function.  Perform fixups on event
handles.
(fhandler_fifo::set_close_on_exec): Remove accommodations for expunged fields.
Set inheritance for new handle fields.
* miscfuncs.cc (CreatePipeOverlapped): Accommodate changes in
fhandler_pipe::create_selectable.
* tty.cc (tty::not_allocated): Ditto.
* pipe.cc (fhandler_pipe::create): Ditto.
(fhandler_pipe::create_selectable): Accept an extra open_mode argument.  Pass
arguments by reference and allow opening one end of the pipe at a time.
* sys/strace.h (debug_only_printf): Define new macro which calls debug_printf
only when DEBUGGING is defined.
2011-10-30 04:50:36 +00:00
Corinna Vinschen f8b8b1be3c * miscfuncs.cc (CreatePipeOverlapped): New function.
(ReadPipeOverlapped): Ditto.
	(WritePipeOverlapped): Ditto.
	* miscfuncs.h: Declare new functions.
	* pinfo.cc (commune_process): Call WritePipeOverlapped instead of
	WriteFile.  Set timeout to 1 sec.
	(_pinfo::commune_request): Call ReadPipeOverlapped instead of ReadFile.
	Set timeout to 0.5 secs.
	* sigproc.cc (sig_send): Create pipe using CreatePipeOverlapped.
2011-08-13 10:28:15 +00:00
Christopher Faylor e1d5167d20 * miscfuncs.cc (create_pipe): Delete obsolete function.
* miscfuncs.h (create_pipe): Delete define.
* pipe.c (fhandler_pipe::create_selectable): Delete obsolete comment.
2011-08-12 16:55:35 +00:00
Corinna Vinschen 66965620fc * miscfuncs.cc (yield): Drop thread priority only once. 2011-07-07 06:21:24 +00:00
Christopher Faylor d1204b6378 * exceptions.cc (CALL_HANDLER_RETRY_INNER): Rename to reflect different
functionality.
(CALL_HANDLER_RETRY_OUTER): New define.
(setup_handler): Add outer loop to signal handler to try harder to deliver the
signal.
* miscfuncs.cc (yield): Drop priority and use SleepEx() to force thread
rescheduling rather than relying on SwitchToThread().
2011-07-06 16:33:30 +00:00
Christopher Faylor b86f999af1 whitespace elimination 2011-06-06 05:02:13 +00:00
Corinna Vinschen 01b49f835d * miscfuncs.cc (CygwinCreateThread): Fix condition for adding the
guardsize to the stacksize.  Fix accompanying comment.
2011-05-20 19:00:51 +00:00
Corinna Vinschen abb205a9fa * miscfuncs.cc (CygwinCreateThread): Add accidentally missing comment. 2011-05-20 18:15:12 +00:00
Corinna Vinschen 6bdbccf7bf * miscfuncs.cc (thread_wrapper): Remove statements added for debugging
purposes.
2011-05-20 07:39:20 +00:00
Corinna Vinschen 89d3c72d51 * child_info.h (CURR_CHILD_INFO_MAGIC): Update.
(class child_info_fork): Remove stacksize, add stackaddr and guardsize
	members.
	* dcrt0.cc (child_info_fork::alloc_stack_hard_way): Partial rewrite
	to regenerate the stack exactly as in the parent.
	(child_info_fork::alloc_stack): Set stackaddr to 0, rather than
	stacksize.
	(dll_crt0_1): Check for stackaddr before changing the stack addresses
	in the TEB.
	* fork.cc (frok::child): Check for stackaddr here.
	(frok::parent): Set ch.stackaddr and ch.guardsize if not called from
	the main thread.
	* init.cc (dll_entry): Replace pointer to NT_TIB with pointer to TEB.
	Fix incorrectly changed address test before removing _my_tls.
	Set StackLimit to NULL on Windows 2000.  Explain why.
	* miscfuncs.cc (struct thread_wrapper_arg): Store stackbase rather
	than stacksize, store commitaddr, remove guardsize.  Store all pointers
	as char * for easier address arithmetic.
	(thread_wrapper): Rewrite to remove OS stack before calling thread
	function.  Add lots of comments to explain what we do.
	(CygwinCreateThread): Reserve our own stack in case we got no
	application stack.  Add comments.
	* ntdll.h (struct _TEB): Extend defintion up to DeallocationStack
	member.
	* thread.cc (pthread_attr::pthread_attr): Use "(size_t) -1"
	rather then 0xffffffff.
	* wincap.h (wincaps::has_stack_size_param_is_a_reservation): New
	element.
	* wincap.cc: Implement above element throughout.
2011-05-20 07:23:11 +00:00
Corinna Vinschen 5e3af166d7 * miscfuncs.cc (thread_wrapper): Remove unused _cygtls record.
* mmap.cc (is_mmapped_region): Avoid crash if no mmaps exist.
2011-05-17 15:37:01 +00:00
Corinna Vinschen 6d6cfa4840 * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Check if the
requested stack is application-provided within the user heap or an
	mmapped region.  If so, just use it.  Add comment to explain why.
	* miscfuncs.cc (thread_wrapper): If an application-provided stack
	has been given, implement cygtls area at the stackbase.  Fix comment.
	* mmap.cc (is_mmapped_region): New function.
	* winsup.h (is_mmapped_region): Declare.
2011-05-16 09:55:18 +00:00
Corinna Vinschen daa69fff5b * miscfuncs.cc (thread_wrapper): Add comments to assembler code. 2011-05-15 19:04:41 +00:00
Corinna Vinschen cdb4231369 * cygwin.din (pthread_attr_getguardsize): Export.
(pthread_attr_setguardsize): Export.
	(pthread_attr_setstack): Export.
	(pthread_attr_setstackaddr): Export.
	* init.cc (dll_entry): Remove wow64_test_stack_marker.  Check for
	unusual stack address by testing stack addresses from current TEB.
	Check validity of _my_tls by testing if it's within the stack as
	given in current TEB.
	* miscfuncs.cc (struct thread_wrapper_arg): New structure used to
	push all required information to thread_wrapper function.
	(thread_wrapper): Wrapper function for actual thread function.
	If an application stack has been given, change %ebp and %esp so that
	the thread function runs on that stack.  If the thread has been created
	by CygwinCreateThread, set up the POSIX guard pages if necessary.
	(CygwinCreateThread): New function.
	* miscfuncs.h (CygwinCreateThread): Declare.
	* ntdll.h (struct _TEB): Define all members up to Peb.
	* posix.sgml (std-susv4): Move pthread_attr_getguardsize,
	pthread_attr_setguardsize and pthread_attr_setstack here.
	(std-deprec): Add pthread_attr_setstackaddr.
	* sysconf.cc (sca): Set _SC_THREAD_ATTR_STACKADDR to
	_POSIX_THREAD_ATTR_STACKADDR.
	* thread.cc (pthread::precreate): Copy pthread_attr stackaddr and
	guardsize members.
	(pthread::create): Call CygwinCreateThread.
	(pthread_attr::pthread_attr): Initialize guardsize.
	(pthread_attr_setstack): New function.
	(pthread_attr_setstackaddr): New function.
	(pthread_attr_setguardsize): New function.
	(pthread_attr_getguardsize): New function.
	(pthread_getattr_np): Copy attr.guardsize.
	* thread.h (pthread_attr): Add member guardsize.
	* include/pthread.h (pthread_attr_getguardsize): Declare.
	(pthread_attr_setguardsize): Declare.
	* include/cygwin/version.h: Bump API minor number.
2011-05-15 18:49:40 +00:00
Corinna Vinschen 6ce541281e Drop NT4 support.
* autoload.cc (DnsQuery_A): Fatal if not available.
	(DnsRecordListFree): Ditto.
	(DsGetDcNameW): Ditto.
	(NetGetAnyDCName): Remove.
	(NetGetDCName): Remove.
	(EnumProcessModules): Fatal if not available.
	(GetModuleFileNameExW): Ditto.
	(GetModuleInformation): Ditto.
	(GetProcessMemoryInfo): Ditto.
	(QueryWorkingSet): Ditto.
	(LsaRegisterLogonProcess): Ditto.
	* fenv.cc (_feinitialise): Drop supports_sse condition.
	* fhandler_disk_file.cc (path_conv::isgood_inode): Fix comment.
	(fhandler_base::fstat_by_name): Drop has_fileid_dirinfo condition.
	(fhandler_disk_file::opendir): Ditto.
	* fhandler_netdrive.cc (fhandler_netdrive::readdir): Fix comment.
	* fhandler_proc.cc (format_proc_partitions): Drop NT4-only code.
	* fhandler_process.cc (get_process_state): Ditto.
	* kernel32.cc (GetWindowsDirectoryW): Remove.
	(GetWindowsDirectoryA): Remove.
	* miscfuncs.cc (nice_to_winprio): Drop NT4-only code.
	* mount.cc (fs_info::update): Fix comments.
	* net.cc (get_2k_ifs): Drop NT4-only code.
	* sec_auth.cc (get_logon_server): Ditto.
	(lsaauth): Drop NT4-specific error handling.
	* security.cc (alloc_sd): Set SE_DACL_PROTECTED unconditionally.
	* select.cc (select_stuff::wait): Always use MWMO_INPUTAVAILABLE.
	(peek_windows): Drop NT4-only condition in call to PeekMessage.
	* syscalls.cc (gethostid): Remove NT4-only workaround.
	* wincap.cc: Througout, drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse from
	wincaps.
	(wincap_nt4sp4): Remove.
	(wincap_minimal): Set to wincap_2000.
	(wincapc::init): Rely on availability of OSVERSIONINFOEX structure.
	Treat error from GetVersionEx as fatal.  Treat NT4 as fatal.
	* wincap.h (struct wincaps): Drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse flags
	and methods.
	* winlean.h (GetWindowsDirectoryW) Define as GetSystemWindowsDirectoryW.
	(GetWindowsDirectoryA): Define as GetSystemWindowsDirectoryA.
2011-04-04 12:23:36 +00:00