(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.
* miscfuncs.cc (yield): Rename from low_priority_sleep. Remove all of the
logic which called Sleep() and just use SwitchToThread.
* miscfuncs.h (yield): Rename from low_priority_sleep.
(SLEEP_0_STAY_LOW): Delete unused define.
* shared.cc (memory_init): Move heap_init() call directly after shared memory
initialization to more closely mimic long-standing program flow.
* tty.cc (tty_list::terminate): Replace call to low_priority_sleep with Sleep.
* mount.cc (mount_info::from_fstab): Remove extern declaration of
transform_chars.
* path.cc (tfx_chars): Move to strfuncs.cc.
(transform_chars): Ditto.
* strfunc.cc (tfx_chars): Moved here from path.cc.
(transform_chars): Ditto.
(sys_cp_wcstombs): Make UNICODE private use area conversion roundtrip
save for all characters.
(sys_cp_mbstowcs): Ditto, by removing special case for UTF-8 sequences
representing U+f0XX UNICODE chars. Fix typo in comment.
(__ctype_default): New character class array for default ASCII
character set.
(__ctype_iso): New array of character class array for ISO charsets.
(__ctype_cp): Ditto for singlebyte Windows codepages.
(tolower): Implement as distinct function to support any singlebyte
charset.
(toupper): Ditto.
(__set_ctype): New function to copy singlebyte character classes
corresponding to current charset to ctype_b array.
Align copyright text to upstream.
* dcrt0.cc (dll_crt0_1): Reset current locale to "C" per POSIX.
* environ.cc (set_file_api_mode): Remove.
(codepage_init): Remove.
(parse_thing): Remove "codepage" setting.
(environ_init): Set locale according to environment settings, or
to current codepage, before converting environment to multibyte.
* fhandler.h (fhandler_console::write_replacement_char): Drop argument.
* fhandler_console.cc (dev_console::str_to_con): Call sys_cp_mbstowcs
rather than MultiByteToWideChar.
(fhandler_console::write_replacement_char): Always print a funny
half filled square if a character isn't in the current charset.
(fhandler_console::write_normal): Convert to using __mbtowc
rather than next_char.
* fork.cc (frok::child): Drop call to set_file_api_mode.
* globals.cc (enum codepage_type) Remove.
(current_codepage): Remove.
* miscfuncs.cc (cygwin_wcslwr): Unused, dangerous. Remove.
(cygwin_wcsupr): Ditto.
(is_cp_multibyte): Remove.
(next_char): Remove.
* miscfuncs.h (is_cp_multibyte): Drop declaration.
(next_char): Ditto.
* strfuncs.cc (get_cp): Remove.
(__db_wctomb): New function to implement _wctomb_r functionality for
doublebyte charsets using WideCharToMultiByte.
(__sjis_wctomb): New function to replace unusable newlib function.
(__jis_wctomb): Ditto.
(__eucjp_wctomb): Ditto.
(__gbk_wctomb): New function.
(__kr_wctomb): Ditto.
(__big5_wctomb): Ditto.
(__db_mbtowc): New function to implement _mbtowc_r functionality for
doublebyte charsets using MultiByteToWideChar.
(__sjis_mbtowc): New function to replace unusable newlib function.
(__jis_mbtowc): Ditto.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): New function.
(__kr_mbtowc): New function
(__big5_mbtowc): New function
(__set_charset_from_codepage): New function.
(sys_wcstombs): Reimplement, basically using same wide char to multibyte
conversion as newlib's application level functions. Plus extras.
Add lengthy comment to explain. Change return type to size_t.
(sys_wcstombs_alloc): Just use sys_wcstombs. Change return type to
size_t.
(sys_cp_mbstowcs): Replace sys_mbstowcs, take additional codepage
argument. Explain why. Change return type to size_t.
(sys_mbstowcs_alloc): Just use sys_mbstowcs. Change return type to
size_t.
* wchar.h: Declare internal functions implemented in strfuncs.cc.
(wcscasecmp): Remove.
(wcsncasecmp): Remove.
(wcslwr): Remove.
(wcsupr): Remove.
* winsup.h (codepage_init): Remove declaration.
(get_cp): Ditto.
(sys_wcstombs): Align declaration to new implementation.
(sys_wcstombs_alloc): Ditto.
(sys_cp_mbstowcs): Add declaration.
(sys_mbstowcs): Define as inline function.
(sys_mbstowcs_alloc): Align declaration to new implementation.
(set_file_api_mode): Remove declaration.
* include/ctype.h (isblank): Redefine to use _B character class.
(toupper): Remove ASCII-only definition.
(tolower): Ditto.
Corinna Vinschen
Christopher Faylor