(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.
* ntdll.h (RtlConvertToAutoInheritSecurityObject): Declare.
(RtlDeleteSecurityObject): Declare.
(RtlGetControlSecurityDescriptor): Declare.
(RtlLengthSecurityDescriptor): Declare.
* security.cc (file_mapping): New global variable.
(get_file_sd): Rewrite. Clean up code. Get rid of GetSecurityInfo
call.
(alloc_sd): Call RtlSetControlSecurityDescriptor to set
SE_DACL_PROTECTED flag.
(check_file_access): Remove mapping. Use file_mapping instead.
(check_registry_access): Rename mapping to reg_mapping.
* wincap.cc: Througout, drop use_get_sec_info_on_dirs,
* wincap.h (struct wincaps): Drop use_get_sec_info_on_dirs.
filesystem supporting ACLs, create the file with WRITE_DAC access.
Explain why.
* fhandler_disk_file.cc (fhandler_disk_file::mkdir): Ditto for
directories.
* fhandler_socket.cc (fhandler_socket::bind): Ditto for sockets.
* path.cc (symlink_worker): Ditto for symlinks.
* security.cc (get_file_sd): Always call GetSecurityInfo for directories
on XP and Server 2003. Improve comment to explain why.
(set_file_attribute): Explicitely cast mode_t value to bool in call to
get_file_sd.
* wincap.h (wincaps::use_get_sec_info_on_dirs): New element.
* wincap.cc: Implement above element throughout.
(fhandler_socket::bind): Change comment to explain setting the
SO_EXCLUSIVEADDRUSE socket option. Remove code which checks for
address in use.
* net.cc (cygwin_setsockopt): Never set SO_REUSEADDR option. Improve
comment to compensate for the deleted comment in fhandler_socket::bind.
* wincap.cc: Throughout, drop has_enhanced_socket_security from wincaps.
* wincap.h (struct wincaps): Drop has_enhanced_socket_security flags
and method.
(class fhandler_dev_floppy): Add partitions array member. Add close
method.
* fhandler_floppy.cc (fhandler_dev_floppy::fhandler_dev_floppy): Zero
out partitions array.
(fhandler_dev_floppy::open): Fix "entire disk" condition for call to
DeviceIoControl (FSCTL_ALLOW_EXTENDED_DASD_IO).
When opening disks for writing, call DeviceIoControl (FSCTL_LOCK_VOLUME)
on all affected disk partitions starting with Vista.
(fhandler_dev_floppy::close): New method.
(fhandler_dev_floppy::dup): Duplicate handles in partitions, if any.
* wincap.h (wincaps::has_restricted_raw_disk_access): New element.
* wincap.cc: Implement above element throughout.
* ntdll.h (struct _PEB): Add members accessed by the fast cwd method
starting with Vista.
(struct _KUSER_SHARED_DATA): Define with only the DismountCount.
(RtlAllocateHeap): Declare.
(RtlEnterCriticalSection): Declare.
(RtlFreeHeap): Declare.
(RtlLeaveCriticalSection): Declare.
* path.cc (get_user_proc_parms): Remove.
(struct _FAST_CWD): New structure.
(fast_cwd_ptr): Define.
(SharedUserData): Define.
(peek32): Define.
(find_fast_cwd_pointers): New function to find the global pointer
to the current FAST_CWD structure.
(copy_cwd_str): New helper function.
(cwdstuff::override_win32_cwd): New method to set the Win32 CWD.
(cwdstuff::init): Just call override_win32_cwd from here when
started from native Win32 parent.
(cwdstuff::set): Access Win32 CWD via PEB reference instead of using
get_user_proc_parms function. Memorize old DismountCount before
opening directory handle. Call override_win32_cwd to set up Win32 CWD.
Be more verbose in comments.
* wincap.h (wincaps::has_fast_cwd): New element.
* wincap.cc: Implement has_fast_cwd element throughout.
condition. Fix comment about availability. Move remaining comment to
the right spot. Drop has_ip_helper_lib condition.
* net.cc (cygwin_setsockopt): Drop has_disabled_user_tos_setting
condition. Fix comment.
(get_2k_ifs): Fix comment.
(get_nt_ifs): Remove.
(getifaddrs): Drop call to get_nt_ifs.
(get_ifconf): Ditto.
* wincap.cc: Throughout, drop has_ip_helper_lib,
has_disabled_user_tos_setting, and has_exclusiveaddruse settings from
wincaps.
(wincap_unknown): Remove.
(wincap_nt4): Remove.
(wincap_minimal): New macro, set to wincap_nt4sp4 for now.
(wincapc::init): Drop test for pre-SP4 NT4. Just imply at least NT SP4.
Replace references to wincap_unknown with references to wincap_minimal.
* wincap.h (struct wincaps): Drop has_ip_helper_lib,
has_disabled_user_tos_setting, and has_exclusiveaddruse flags and
methods.
(wincapc::has_buggy_thread_startup): Ditto.
* wincap.cc::wincap_*): Accommodate has_buggy_thread_startup.
(wincapc::init): Explicitly turn off has_buggy_thread_startup if not WOW64.
* cygthread.h (cygthread::thread_handle): Declare/define new method.
* dcrt0.cc (_dll_crt0): Don't call __sinit here.
(dll_crt0_0): Don't call sigproc_init during initialization if
wincap.has_buggy_thread_startup().
(dll_crt0_1): Defer sigproc_init to here when
wincap.has_buggy_thread_startup(). Call __sinit after we've determined that
we're not forking.
(__main): Rework comments. Add potential future reminder.
(MsgWaitForMultipleObjects): Remove.
* select.cc (select_stuff::wait): Use MsgWaitForMultipleObjectsEx with
QS_ALLPOSTMESSAGE and, if possible, MWMO_INPUTAVAILABLE flags. Explain
why. Fix a potential crash due to a NULL pointer in WAIT_FAILED case.
(peek_windows): Use filter pattern on NT4. Explain why.
* wincap.h (wincaps::has_mwmo_inputavailable): New element.
* wincap.cc: Implement above element throughout.
* autoload.cc (LocaleNameToLCID): Define.
* cygwin.din (strfmon): Export.
* nlsfuncs.cc: New file. Define a lot of internal functions called
from setlocale.
(wcscoll): Implement locale-aware here, using CompareStringW function.
(strcoll): Ditto.
(wcsxfrm): Implement locale-aware here, usingLCMapStringW function.
(strxfrm): Ditto.
(__set_charset_from_locale): Replace __set_charset_from_codepage.
Return Linux-compatible charset.
* strfuncs.cc (__set_charset_from_codepage): Remove.
* wchar.h (__set_charset_from_codepage): Drop definition.
* wincap.h (wincaps::has_localenames): New element.
* wincap.cc: Implement above element throughout.
* libc/strfmon.c: New file.
* libc/strptime.cc: Remove locale constant strings in favor of
access to locale-specifc data.
(strptime): Point _CurrentTimeLocale to locale-specific data.
Throughout use correct locale-specific format fields for all
locale-specific formats.
* include/monetary.h: New file.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* wincap.cc: Implement above element throughout.
* wchar.h (__sjis_mbtowc): Declare.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): Ditto.
(__kr_mbtowc): Ditto.
(__big5_mbtowc): Ditto.
* syscalls.cc (internal_setlocale): Convert to char * function.
Return parameter by default. Return NULL if request to use a
charset can't be satisfied due to missing codepage support in the
underlying OS. Fix comment.
(setlocale): Store original locale. Restore to original locale if
internal_setlocale returns NULL.
Windows 7 64 bit issue. Add lengthy comment to explain what happens.
* wincap.h (wincaps::has_console_handle_problem): New element.
* wincap.cc: Implement above element throughout.
(wincap_7): New wincaps structure for NT 6.1 kernels.
(wincapc::init): Set has_console_handle_problem to false for 32 bit
systems.
Fix broken older ChangeLog entry.
evaluation for faked "." entry.
* mount.cc (fs_info::update): Move setting of is_cdrom after checking
for caseinsensitivity. Recognize UDF in is_cdrom case and set
caseinsensitive flag according to UDF brokenness determined by OS.
Add comment to explain why.
* mount.h (class fs_info): Add is_udf status flag.
* path.cc (symlink_info::check): Add workaround for UDF bug in
terms of casesensitivity on certain OSes.
* wincap.h (wincaps::has_broken_udf): New element.
(wincaps::has_broken_udf): New element
(WSASendMsg): Define.
* fhandler.h (class fhandler_socket): Change definition of recv_internal
and send_internal to take WSAMSG pointer as parameter.
* fhandler_socket.cc (WSAID_WSARECVMSG): Define.
(LPFN_WSARECVMSG): Define.
(WSASendMsg): Declare.
(get_ext_funcptr): New function to fetch address of WSARecvMsg.
(fhandler_socket::recv_internal): Take just a LPWSAMSG parameter.
Change code accordingly. If control information is requested,
fetch address of WSARecvMsg and use that instead of WSARecvFrom.
(fhandler_socket::recvfrom): Change return type to ssize_t as
declared in fhandler.h. Accommodate changes to recv_internal.
(fhandler_socket::recvmsg): Ditto. Make sure that control information
is only requested if system, address family, and socket type support it.
(fhandler_socket::send_internal): Take just a LPWSAMSG parameter
and the flags. Change code accordingly. If control information is
provided, use WSASendMsg instead of WSASendTo.
(fhandler_socket::sendto): Drop useless comment. Accommodate changes
to send_internal.
(fhandler_socket::sendmsg): Ditto. Make sure that control information
is only provided if system, address family, and socket type support it.
* wincap.h (wincaps::has_recvmsg): New element.
(wincaps::has_sendmsg): New element
* wincap.cc: Implement above elements throughout.
* include/cygwin/socket.h (CMSG_ALIGN): Phrase in terms of alignment
of type struct cmsghdr.
(GetProcessDEPPolicy): Ditto.
(SetProcessDEPPolicy): Ditto.
* dcrt0.cc (disable_dep): New static function.
(dll_crt0_0): Call disable_dep on platforms requiring it. Add longish
comment to explain the circumstances.
* wincap.h (wincaps::ts_has_dep_problem): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Set ts_has_dep_problem to true on 2008 Terminal
Servers.
* winsup.h (WINVER): Set to 0x0601.
local socket test in SO_REUSEADDR case on systems supporting
enhanced socket security. Explain why. Only call address_in_use
for AF_INET sockets.
* net.cc (cygwin_setsockopt): Don't call setsockopt to set SO_REUSEADDR
on systems supporting enhanced socket security. Add comment.
* wincap.h (wincaps::has_enhanced_socket_security): New element.
* wincap.cc: Implement above element throughout.
(NtCreateTransaction): Define.
(NtCommitTransaction): Define.
(NtRollbackTransaction): Define.
(RtlGetCurrentTransaction): Define.
(RtlSetCurrentTransaction): Define.
* ntdll.h (TRANSACTION_ALL_ACCESS): Define.
(NtCreateTransaction): Declare.
(NtCommitTransaction): Declare.
(NtRollbackTransaction): Declare.
(RtlGetCurrentTransaction): Declare.
(RtlSetCurrentTransaction): Declare.
* syscalls.cc (start_transaction): New static function to start TxF
transaction.
(stop_transaction): New static function to end TxF transaction.
(rename): Call start_transaction and stop_transaction where appropriate
on systems supporting transactions.
* wincap.h (wincaps::has_transactions): New element.
* wincap.cc: Implement above element throughout.
from 2005-12-02.
* exceptions.cc (stack_info::walk): Add workaround for NT 5.2
64 bit OSes.
* wincap.h (wincaps::has_restricted_stack_args): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Reset has_restricted_stack_args if not running
under WOW64.
* security.cc (alloc_sd): Set security descriptor control flag without
calling SetSecurityDescriptorControl function.
* wincap.h (wincapc::has_dacl_protect): Rename from
has_security_descriptor_control.
* wincap.cc: Ditto throughout.
* mmap.cc (mlock): Accommodate parameter change in call to
push_thread_privilege.
(munlock): Ditto.
* ntdll.h (STATUS_NOT_ALL_ASSIGNED): Define.
(NtAdjustPrivilegesToken): Declare.
* sec_helper.cc (cygpriv): Reorder to match numerical privilege order.
(privilege_luid): Take job of privilege_luid_by_name, using new
cygpriv.
(privilege_luid_by_name): Remove.
(privilege_name): Accommodate new cygpriv array.
(set_privilege): Call NtAdjustPrivilegesToken to avoid using advapi32.
Accommodate changes to privilege_name.
(set_cygwin_privileges): Simplify. Don't try to set
SE_CREATE_GLOBAL_PRIVILEGE on systems not supporting it.
* security.cc (sys_privs): Reorder to match numerical privilege order.
Use real privilege values as defined in security.h.
(get_system_priv_list): Drop unused grp_list argument. Create
list of privileges according to new wincapc::max_sys_priv value.
(get_priv_list): Call privilege_luid instead of privilege_luid_by_name.
Make priv a local value instead of a pointer.
(create_token): Accommodate parameter change in call to
push_self_privilege.
(lsaauth): Ditto.
(check_access): Use privilege values directly instead of calling
privilege_luid.
* security.h: Define real privilege values.
(cygpriv_idx): Remove.
(privilege_luid): Change declaration.
(privilege_luid_by_name): Drop declaration.
(set_privilege): Change declaration.
(set_process_privilege): Drop definition.
(_push_thread_privilege): Accomodate new set_privilege parameters.
* wincap.h (wincapc::max_sys_priv): New element.
* wincap.cc: Implement above element throughout.
(wincap_2000sp4): New wincaps structure.
(wincap_xpsp1): Ditto.
(wincap_xpsp2): Ditto.
(wincapc::init): Use new wincaps.
(wincapc::max_sys_priv): New element.
* cygwin.din: Export freeifaddrs, getifaddrs.
* fhandler_socket.cc (fhandler_socket::ioctl): Drop SOCKET parameter
from get_ifconf.
* net.cc: Include ifaddrs.h.
(in_are_prefix_equal): Match addresses in network byte order.
(ip_addr_prefix): Convert address into host byte order before
testing with IN_LOOPBACK.
(struct ifall): Define.
(get_xp_ifs): Replace get_xp_ifconf. Return struct ifall array.
(get_2k_ifs): Ditto, replace get_2k_ifconf.
(get_nt_ifs): Ditto, replace get_nt_ifconf.
(getifaddrs): New function.
(freeifaddrs): New function.
(get_ifconf): Call matching get_XX_ifs function and create
ifc content from here. Drop lo fake since it's now in get_nt_ifs.
* posix.sgml: Add freeifaddrs and getifaddrs to list of implemented
BSD functions.
* wincap.h (wincapc::has_broken_if_oper_status): New element.
* wincap.cc: Implement above element throughout.
* include/ifaddrs.h: New file.
* include/cygwin/version.h: Bump API minor number.
shared_prefix depending only on terminal service capability.
* dcrt0.cc (dll_crt0_1): Don't call set_cygwin_privileges here.
* fhandler_fifo.cc (fhandler_fifo::open): Create the mutex as global
object.
* posix_ipc.cc (ipc_mutex_init): Use cygheap->shared_prefix.
(ipc_cond_init): Ditto.
* sec_helper.cc (privilege_name): Make static. Use LookupPrivilegeName
directly to be independent of the state of cygheap.
(set_privilege): Take a LUID as parameter instead of an index value.
Only print debug output in case of failure.
(set_cygwin_privileges): Add comment. Use LookupPrivilegeValue to
get privilege LUIDs.
(init_global_security): Call set_cygwin_privileges here.
* security.h (privilege_name): Drop declaration.
(set_privilege): Declare according to above change.
(set_process_privilege): Call privilege_luid to get LUID.
(_push_thread_privilege): Ditto.
* shared.cc (open_shared): Add comment. On systems supporting the
SeCreateGlobalPrivilege, try to create/open global shared memory first.
Fall back to local shared memory if that fails.
* thread.cc (semaphore::semaphore): Use cygheap->shared_prefix.
* wincap.h (wincapc::has_create_global_privilege): New element.
* wincap.cc: Implement above element throughout.
* dir.cc (rmdir): Add existance check to be errno-compatible with Linux.
* fhandler_disk_file.cc (fhandler_disk_file::rmdir): Drop test for
non-existent dir on 9x share.
* syscalls.cc (unlink): Add comment.
* wincap.cc: Remove access_denied_on_delete flag throughout.
* wincap.h: Ditto.
mapping addition.
(ga_clone): Just call ga_dup from here.
(ga_duplist): New function to duplicate list of struct addrinfo.
(ga_echeck): Don't check a_flags, it already happened in
cygwin_getaddrinfo.
(cygwin_freeaddrinfo): Always call ipv4_freeaddrinfo.
(cygwin_getaddrinfo): Use new wincap.supports_all_posix_ai_flags
flag rather than wincap.has_gaa_on_link_prefix. Always duplicate
WinSock's addrinfo list to a self-allocated list. Handle AI_V4MAPPED
for pre-Vista platforms supporting getaddrinfo.
* wincap.h (wincapc::supports_all_posix_ai_flags): New element.
* wincap.cc: Implement above element throughout.
* include/netdb.h: Note how AI_ADDRCONFIG is not supported pre-Vista.
Remove superfluous comment.
* ntdll.h (struct _FILE_RENAME_INFORMATION): Define.
* path.cc (fs_info::update): Note length of rootdir prefix in
root_len.
(get_nt_native_path): New function, taking over functionality of
path_conv::get_nt_native_path.
(path_conv::get_nt_native_path): Just call get_nt_native_path.
* path.h (get_nt_native_path): Declare.
(struct fs_info): New member root_len.
(fs_info::length): New inline method returning root_len.
(path_conv::rootdir): New inline method returning rootdir prefix.
* syscalls.cc (try_to_bin): Rewrite using only system calls.
(unlink_nt): Call try_to_bin with additional handle to open file
parameter.
(statvfs): Use path_conv::rootdir method.
* wincap.h: Define has_recycle_dot_bin throughout.
* wincap.cc: Ditto.
Corinna Vinschen
Christopher Faylor