(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.
(struct dll_info): Convert name to WCHAR.
(std_dll_init): Load DLLs with full path to windows system directory.
Add hint to Microsoft security advisory.
* dcrt0.cc (init_windows_system_directory): New function.
(dll_crt0_0): Call init_windows_system_directory first.
* exceptions.cc (windows_system_directory): Move to globals.cc.
(windows_system_directory_length): Ditto.
(events_init): Drop code fetching windows_system_directory.
* globals.cc (windows_system_directory): New global variable.
(windows_system_directory_length): Ditto.
* net.cc (load_ipv6_funcs): Use windows_system_directory rather than
GetSystemDirectoryW.
* netdb.cc (open_system_file): Ditto. Simplify debug output.
* fhandler.h (fhandler_tty_slave::fch_open_handles): Declare private.
(fhandler_tty_slave::fch_close_handles): Ditto.
(fhandler_tty_slave::cygserver_attach_tty): Drop declaration.
(fhandler_tty_slave::fstat): Declare public.
(fhandler_tty_slave::fchmod): Declare public.
(fhandler_tty_slave::fchown): Declare public.
(class fhandler_pty_master): Add master_ctl handle.
(fhandler_pty_master::pty_master_thread): Declare public.
* fhandler_termios.cc (fhandler_termios::tcinit): If the process
is started from a non-Cygwin process, make it tty process group
leader.
* fhandler_tty.cc: Throughout accommodate additional security related
arguments in calls to functions creating or opening objects.
(close_maybe): Move to start of file to reuse it
in other methods.
(struct pipe_request): Define.
(struct pipe_reply): Define.
(fhandler_tty_slave::open): Throughout, try to open synchronization
objects with MAXIMUM_ALLOWED permissions. Drop call to cygserver.
Try to duplicate pipe handles via master_ctl pipe if duplicating
directly doesn't work.
(fhandler_tty_slave::cygserver_attach_tty): Remove.
(fhandler_tty_slave::init): Close unused incoming pipe handle.
(fhandler_pty_master::close): Send exit message to master control
thread and close master_ctl handle.
(fhandler_pty_master::pty_master_thread): New method, implementing the
master control thread.
(pty_master_thread): Static helper to start master control thread.
(fhandler_pty_master::setup): Simplify creating pipe inheritance.
Make sure we're the one creating the input_available_event. Add
comment to explain why. Create master_ctl pipe and start master
control thread. Close master_ctl handle in case of error.
* security.cc (alloc_sd): Add code to handle tty objects. Add comments
to explain what exactly is required.
(get_object_sd): New function.
(get_object_attribute): New function.
(create_object_sd_from_attribute): New function.
(set_object_sd): New function.
(set_object_attribute): New function.
(set_file_attribute): Change attribute type to mode_t.
* security.h (set_file_attribute): Change attribute type to mode_t.
(get_object_sd): Declare.
(get_object_attribute): Declare.
(create_object_sd_from_attribute): Declare.
(set_object_sd): Declare.
(set_object_attribute): Declare.
* tty.cc (tty::slave_alive): Implement directly instead of via alive.
(tty::exists): Open mutex handle with READ_CONTROL access.
(tty::alive): Remove.
(tty::open_output_mutex): Convert to inline method.
(tty::open_input_mutex): Ditto.
(tty::open_mutex): Take additional ACCESS_MASK parameter for the
mutex open access mask.
(tty::open_inuse): New method.
(tty::create_inuse): Take PSECURITY_ATTRIBUTES parameter. Drop fmt
name parameter. Always create TTY_SLAVE_ALIVE event.
(tty::get_event): Take additional PSECURITY_ATTRIBUTES parameter for
CreateEvent.
* tty.h (class tty): Change declarations according to aforementioned
changes.
(tty::open_output_mutex): Implement as inline method.
(tty::open_input_mutex): Ditto.
* 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.
* 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.
* autoload.cc (WSADuplicateSocketW): Define.
(WSASocketW): Define.
* dtable.cc (dtable::release): Call dec_need_fixup_before if necessary.
(dtable::fixup_before_fork): New function.
(dtable::fixup_before_exec): New function.
* dtable.h (class dtable): Add member cnt_need_fixup_before. Add
declarations for above new functions.
(dtable::dec_need_fixup_before): New inline method.
(dtable::inc_need_fixup_before): New inline method.
(dtable::need_fixup_before): New inline method.
* fhandler.h (fhandler_base::fixup_before_fork_exec): New virtual
method.
(fhandler_base::need_fixup_before): New virtual method.
(class fhandler_socket): Add member prot_info_ptr.
(fhandler_socket::init_fixup_before): Declare.
(fhandler_socket::need_fixup_before): New inline method.
(fhandler_socket::fixup_before_fork_exec): Declare.
(fhandler_socket::fixup_after_exec): Declare.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
prot_info_ptr to NULL.
(fhandler_socket::~fhandler_socket): Free prot_info_ptr conditionally.
(fhandler_socket::init_fixup_before): New method.
(fhandler_socket::fixup_before_fork_exec): Ditto.
(fhandler_socket::fixup_after_fork): Use WSASocketW to duplicate
socket if necessary.
(fhandler_socket::fixup_after_exec): New method.
(fhandler_socket::dup): Use fixup_before_fork_exec/fixup_after_fork
to duplicate socket if necessary.
* fork.cc (frok::parent): Start child suspended if some fhandler
needs fixup before fork. If so, call dtable::fixup_before_fork after
CreateProcess and resume child.
* net.cc (fdsock): Try to find out if socket needs fixup before and
initialize socket accordingly. Add HUGE comment to explain what happens
and why.
* spawn.cc (spawn_guts): Start child suspended if some fhandler needs
fixup before exec. If so, call dtable::fixup_before_exec after
CreateProcess.
* fhandler.h (fhandler_console::create_invisible_console): Declare new
function.
(create_invisible_console_workaround): Ditto.
* fhandler_console.cc (fhandler_console::create_invisible_console): Define new
function.
(create_invisible_console_workaround): Ditto. Add too much code to deal with
broken Windows 7. Use a helper app to start an invisible console window.
(fhandler_console::need_invisible): Reorganize to use helper functions to
create invisible console.
* spawn.cc (spawn_guts): Avoid zeroing already zeroed fields in si.
* fhandler_proc.cc (format_proc_uptime): Use global system_info rather
than retrieving a local copy of the SYSTEM_INFO. Drop call to
GetSystemTimes and retrieve SystemPerformanceInformation on all systems
again with buffer size big enough for 64 bit systems.
(format_proc_stat): Use global system_info rather than retrieving a
local copy of the SYSTEM_INFO. Retrieve SystemPerformanceInformation
with buffer size big enough for 64 bit systems.
* fhandler_proc.cc (format_proc_uptime): Use GetSystemInfo to retrieve
processor count. Use GetSystemTimes when available to retrieve system
idle time. Improve debug output.
(format_proc_stat): Use GetSystemInfo to retrieve processor
count. Improve debug output. Ignore if SystemPerformanceInformation
returns error. Explain why.
(NetLocalGroupGetMembers): Remove.
(NetUserGetLocalGroups): Add.
* sec_auth.cc (is_group_member): Remove function.
(get_user_local_groups): Get user as string instead of as SID.
Call NetUserGetLocalGroups instead of NetLocalGroupEnum. Drop call
to is_group_member.
(get_server_groups): Call get_user_local_groups with user name instead
of user SID.
(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.
(WNetGetResourceParentA): Remove.
* fhandler_netdrive.cc (struct net_hdls): New structure to keep
WNet handles. Stored in dir->__handle throughout.
(thread_netdrive): Rewrite to enumerate all servers in all accessible
domains and workgroups.
(fhandler_netdrive::readdir): Simplify toplevel code. Lowercase all
server names in toplevel.
(fhandler_netdrive::rewinddir): Close all WNet handles and free
net_hdls structure.
* fhandler_socket.cc (address_in_use): Take const struct sockaddr
pointer as argument. Implement additional AF_INET6 table check.
(fhandler_socket::bind): Drop AF_INET test before calling
address_in_use.
* net.cc (ipv4_getnameinfo): Return EAI_FAMILY instead of 1 if
called with unsupported af_family.
* dcrt0.cc (child_info_spawn::handle_spawn): Drop artificial
supplementary group list from calling setgroups in parent.
* grp.cc (internal_getgroups): Drop 9x-only code. Reformat.
* sec_auth.cc (get_logon_server): Do everything in WCHAR only.
(get_user_groups): Ditto. Use wlogonserver in LookupAccountNameW
calls, too.
(is_group_member): Get logon server as first argument and use in call
to NetLocalGroupGetMembers.
(get_user_local_groups): Get logon server as first argument and use in
calls to NetLocalGroupEnum and LookupAccountNameW. Revamp to work
more correctly in domain environments.
(get_server_groups): Accommodate aforementioned changed function calls.
* security.h (get_logon_server): Change prototype accordingly.
* uinfo.cc (cygheap_user::env_logsrv): Accommodate changed
get_logon_server call.
(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.
* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
(CreateWindowStationW): Replace CreateWindowStationA.
(GetUserObjectInformationW): Replace GetUserObjectInformationA.
* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
* cygtls.h (TP_NUM_C_BUFS): Define.
(TP_NUM_W_BUFS): Define.
(class tls_pathbuf): New class to store pointers to thread local
temporary path buffers.
(_local_storage::pathbufs): New member.
* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
of stack based buffer.
(posify): Get temporary outenv buffer from calling function.
(environ_init): Create temporary TLS path buffer for posify.
(build_env): Create Windows environment block as WCHAR buffer.
* environ.h (build_env): Change declaration accordingly.
* external.cc (sync_winenv): Accommodate build_env change.
* fhandler_console.cc (fhandler_console::need_invisible): Use
GetUserObjectInformationW and CreateWindowStationW.
* fhandler_process.cc (format_process_maps): Use temporary TLS path
buffer instead of stack based buffer.
* fork.cc (frok::parent): Convert to use CreateProcessW.
* path.cc: Throughout use temporary TLS path buffers instead of stack
based buffer. Replace checks for CYG_MAX_PATH by checks for
NT_MAX_PATH.
(getfileattr): New function to replace GetFileAttributesA.
(normalize_win32_path): Remove Win32 and NT long path prefixes.
(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
(iswdrive): Define.
* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
stack based buffer.
* registry.cc (get_registry_hive_path): Ditto.
(load_registry_hive): Ditto.
* spawn.cc (spawn_guts): Convert to use CreateProcessW and
CreateProcessAsUserW.
(av::fixup): Open/close file using NtOpenFile/NtClose.
* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
(mknod32): Ditto.
(getusershell): Ditto.
* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
methods.
* tls_pbuf.h: New header for files using tmp_pathbuf.
* tlsoffsets.h: Regenerate.
* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.
(CharNextExA): Define.
* environ.cc (codepage_init): Un-static. Set active_codepage to
active codepage. Default to ansi regardless of buf pointer.
* fhandler.h (dev_console::get_console_cp): New method.
(dev_console::con_to_str): Change declaration according to new
implementation.
(dev_console::str_to_con): Ditto.
* fhandler_console.cc (cp_convert): Remove.
(dev_console::con_to_str): Redefine to take WCHAR as incoming console
char.
(dev_console::get_console_cp): Return correct codepage according to
alternate_charset_active setting.
(dev_console::str_to_con): Redefine to create WCHAR buffer for console
output.
(fhandler_console::read): Read console input as WCHARs.
(base_chars): Fix typo in comment.
(fhandler_console::char_command): Save and restore console output
buffer using UNICODE functions.
(fhandler_console::write_normal): Convert to write output in UNICODE.
Use CharNextExA to recognize multibyte characters in input. Workaround
problem with UTF-8 and MultiByteToWideChar. Simplify the loop for
printing "normal" characters.
* strfuncs.cc (active_codepage): New variable to store active codepage.
(get_cp): Call codepage_init() if active_codepage is uninitialized.
Just return active_codepage.
(is_cp_multibyte): New function.
* winsup.h (active_codepage): Declare.
(codepage_init): Declare.
(is_cp_multibyte): Declare.
GetModuleFileNameExA.
* fhandler_process.cc (format_process_maps): Change modname type to
WCHAR. Set buffer sizes to PATH_MAX. Call GetModuleFileNameExW
instead of GetModuleFileNameExA. Call mount_info::conv_to_posix_path
instead of cygwin_conv_to_full_posix_path. Set posix_modname to
modname if that call fails.
(format_process_stat): Set cmd buffer size to NAME_MAX + 1. Simplify
setting cmd to process name.
(format_process_status): Ditto.
* path.cc (mount_info::conv_to_posix_path): Call sys_wcstombs
correctly.
(CreateDesktopA): Define.
(SetThreadDesktop): Define.
* spawn.cc (spawn_guts): When starting a process under another user
account, don't open up permissions on current window station and
desktop. Instead, if not in interactive session, create a new per-user
window station plus default desktop and use that for the child process.
* fhandler_disk_file.cc (fhandler_disk_file::link): Drop GetBinaryType
test. Just check exe suffix instead. Tune creating new file name.
Implement creating hard link using native NT functions which works
on all platforms.
* ntdll.h (STATUS_INVALID_DEVICE_REQUEST): Define.
(struct _FILE_LINK_INFORMATION): Define.
* 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.
* pinfo.cc (pinfo::set_acl): Use NtSetSecurityObject instead of
SetKernelObjectSecurity.
* spawn.cc (spawn_guts): Use NtSetSecurityObject instead of
SetUserObjectSecurity.
* uinfo.cc (cygheap_user::init): Ditto.
* 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.
(SendARP): Define.
* cygwin.din: Export if_freenameindex, if_indextoname, if_nameindex and
if_nametoindex.
* fhandler_procnet.cc: Drop including wchar.h. Drop definitions of
GAA_FLAG_INCLUDE_ALL_INTERFACES, IP_ADAPTER_UNICAST_ADDRESS_VISTA.
(fhandler_procnet::exists): Check for has_gaa_prefixes. Call
get_adapters_addresses here.
(fhandler_procnet::readdir): Ditto.
(prefix): Move to net.cc.
(fhandler_procnet::fill_filebuf): Call get_adapters_addresses here.
Simplify allocation. Use AdapterName rather than FriendlyName as
interface name. Use IfIndex if available, Ipv6IfIndex otherwise.
(in6_are_prefix_equal): Move to net.cc.
* fhandler_socket.cc: Define old SIOCGxxx values.
(CONV_OLD_TO_NEW_SIO): Convert old SIOCGxxx value to new one.
(struct __old_ifreq): Define old struct ifreq.
(fhandler_socket::ioctl): Handle old SIOCGxxx values. Handle new
SIOCGIFFRNDLYNAM command. Simplify copying ifreq data to user space.
Call get_ifconf with additional SOCKET parameter.
* net.cc (IP_ADAPTER_UNICAST_ADDRESS_LH): Define.
(IP_ADAPTER_ADDRESSES_LH): Define.
(SIO_GET_INTERFACE_LIST): Define.
(sockaddr_in6_old): Define.
(sockaddr_gen): Define.
(INTERFACE_INFO): Define.
(IN_LOOPBACK): Define.
(in_are_prefix_equal): New static function.
(ip_addr_prefix): New function, replaces prefix function, add AF_INET
handling.
(GAA_FLAG_INCLUDE_ALL_INTERFACES): Define.
(get_adapters_addresses): New function.
(WS_IFF_xxx): Define Winsock interface flag values.
(convert_ifr_flags): New function to convert Winsock interface flag
values to Cygwin interface flag values.
(get_xp_ifconf): New get_ifconf implementation for XP SP1 and above.
(get_2k_ifconf): Fix interface index. Fix formatting.
(get_nt_ifconf): Fix formatting.
(get_95_ifconf): Ditto.
(get_ifconf): Take additional SOCKET parameter. Call get_xp_ifconf
on XP SP1 and above.
(if_nametoindex): New function.
(if_indextoname): New function.
(if_nameindex): New function.
(if_freenameindex): New function.
(in6_are_prefix_equal): Moved here from fhandler_procnet.cc.
* wincap.cc (wincap_xp): Define has_gaa_prefixes as true by default.
(wincapc::init): Assume has_osversioninfoex by default. Call
GetVersionEx with OSVERSIONINFOEX first. Call with OSVERSIONINFO only
if that fails. Simplify NT4 case and try to avoid strcmp. Check XP
Service Pack using version.wServicePackMajor to avoid strcmp.
* include/asm/socket.h (SIOCGIFFRNDLYNAM): Define.
* include/cygwin/if.h: Fix formatting.
(IFF_POINTTOPOINT): Define.
(IFF_NOARP): Define.
(IFF_LOWER_UP): Define.
(IFF_DORMANT): Define.
(struct if_nameindex): Define.
(IFRF_FRIENDLYNAMESIZ): Define.
(struct ifreq_frndlyname): Define.
(IFNAMSIZ): Redefine as 44.
(IF_NAMESIZE): Define.
(struct ifreq): Redefine ifru_flags as int. Define ifru_data. Pad size
to sizeof sockaddr_in6 for further extensions.
(ifr_data): Define.
(ifr_frndlyname): Define.
(if_nametoindex): Declare.
(if_indextoname): Declare.
(if_nameindex): Declare.
(if_freenameindex): Declare.
* include/cygwin/version.h: Bump API minor number.
(CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ): Define check for old vs. new
ifreq structure.
(RtlOemStringToUnicodeString): Define.
* ntdll.h (struct _RTL_USER_PROCESS_PARAMETERS): Define.
(struct _PEB): Redefine with a bit of content.
(RtlAnsiStringToUnicodeString): Declare.
(RtlOemStringToUnicodeString): Declare.
* path.cc: Include ntdll.h.
(_upp): New global variable pointing to user process parameter block.
(get_user_proc_parms): New static function to retrieve user process
parameter block.
(close_user_proc_parms_cwd_handle): New function to close handle to
current working directory in user process parameter block.
(cwdstuff::init): Drop redundant declaration of dynamically_loaded.
Set current dir only on 9x. Call close_user_proc_parms_cwd_handle
on NT instead.
(cwdstuff::keep_in_sync): Only on 9x.
(cwdstuff::set): Keep behaviour on 9x. On NT write cwd path into user
process parameter block and set cwd handle to NULL. Fix comments to
reflect new behaviour.
(SUBLIBS): Add libresolv.a.
Add rule for libresolv.a.
* autoload.cc: Fix return code handling for IP Helper API in case
of being unable to load iphlpapi.dll.
(DnsQuery_A): Define.
(DnsRecordListFree): Define.
* cygwin.din: Export resolver functions.
* include/resolv.h: New header.
* include/arpa/nameser.h: New header.
* include/arpa/nameser_compat.h: New header.
* include/cygwin/version.h: Bump API minor number.
* libc/minires-os-if.c: New file.
* libc/minires.c: New file.
* libc/minires.h: New file.
* 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.
* syscalls.cc (try_to_bin): New function trying to move a file to
the recycle bin.
(unlink): Fix arguments used in CreateFile for delete on close.
Before closing the handle, try to move the file to the recycle bin.
* security.cc (create_token): Drop grps_buf. Use alloca instead.
Only add the MIC SID to the TOKEN_GROUPS list for the NtCreateToken
call. If the subauthentication token exists, use its MIC SID.
Set SID Attributes for the MIC SID to 0.
(Wow64RevertWow64FsRedirection): Define.
* security.cc (cygsuba_installed): New shared variable to store result
of cygsuba.dll installation test.
(subauth): Check if cygsuba.dll has been installed and registered
before issuing the (sub)authentication.
(SetHandleInformation): Ditto.
* debug.cc (add_handle): Use SetHandleInformation to protect handle.
(close_handle): Use SetHandleInformation to unprotect handle.
* spawn.cc (spawn_guts): Move detached test outside of P_OVERLAY block.
* include/cygwin/version.h: Bump DLL version to 1.7.0.
2006-07-25 Corinna Vinschen <corinna@vinschen.de>
* select.h: Remove.
* fhandler_socket.cc: Don't include select.h.
* select.cc: Ditto.
2006-07-25 Corinna Vinschen <corinna@vinschen.de>
* cygtls.h: Drop socket related includes.
(struct _local_storage): Remove exitsock and exitsock_sin. Add
select_sockevt.
* cygtls.cc: Accomodate above change throughout.
* fhandler.h (class fhandler_socket): Make wsock_evt public.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Accomodate
reordering members.
(fhandler_socket::evaluate_events): Drop FD_CONNECT event as soon as
it gets read once. Never remove FD_WRITE event here.
(fhandler_socket::wait_for_events): Wait 50 ms instead of INFINITE for
socket events.
(fhandler_socket::accept): Fix conditional. Set wsock_events members
of accepted socket to useful start values.
(fhandler_socket::recv_internal): Always drop FD_READ/FD_OOB events from
wsock_events after the call to WSARecvFrom.
(fhandler_socket::send_internal): Drop FD_WRITE event from wsock_events
if the call to WSASendTo fails with WSAEWOULDBLOCK. Fix return value
condition.
* select.cc (struct socketinf): Change to accomodate using socket event
handling.
(peek_socket): Use event handling for peeking socket.
(thread_socket): Ditto.
(start_thread_socket): Ditto.
(socket_cleanup): Same here.
* tlsoffsets.h: Regenerate.
2006-07-20 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (class fhandler_socket): Rearrange slightly to keep
event handling methods and members together. Drop owner status flag.
Split wait method. Rename event handling methods for readability.
* fhandler_socket.cc (struct wsa_event): Add owner field.
(LOCK_EVENTS): New macro.
(UNLOCK_EVENTS): Ditto.
(fhandler_socket::init_events): rename from prepare.
(fhandler_socket::evaluate_events): First half of former wait method.
Do everything but wait. Allow specifiying whether or not events from
event_mask should be erased from wsock_events->events. Simplify
OOB handling. Allow sending SIGURG to any process (group).
(fhandler_socket::wait_for_events): Second half of former wait method.
Call evaluate_events and wait in a loop if socket is blocking.
(fhandler_socket::release_events): Rename from release.
(fhandler_socket::connect): Accomodate above name changes.
(fhandler_socket::accept): Ditto.
(fhandler_socket::recv_internal): Ditto.
(fhandler_socket::send_internal): Ditto.
(fhandler_socket::close): Ditto.
(fhandler_socket::fcntl): Always set owner to given input value on
F_SETOWN. Handle F_GETOWN.
* net.cc (fdsock): Accomodate above name changes.
2006-07-20 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::wait): Set Winsock errno to
WSAEWOULDBLOCK instead of WSAEINPROGRESS.
2006-07-18 Brian Ford <Brian.Ford@FlightSafety.com>
Corinna Vinschen <corinna@vinschen.de>
* winsup.h (mmap_region_status): New enum.
(mmap_is_attached_or_noreserve_page): Adjust prototype and rename
as below.
* mmap.cc (mmap_is_attached_or_noreserve_page): Rename
mmap_is_attached_or_noreserve. Add region length parameter.
Return enum above.
* exceptions.cc (_cygtls::handle_exceptions): Accomodate above.
* fhandler.cc (fhandler_base::raw_read): Call above for NOACCESS
errors and retry on success to allow reads into untouched
MAP_NORESERVE buffers.
2006-07-18 Corinna Vinschen <corinna@vinschen.de>
* cygwin.din (posix_openpt): Export.
* tty.cc (posix_openpt): New function.
* include/cygwin/stdlib.h (posix_openpt): Declare.
* include/cygwin/version.h: Bump API minor number.
2006-07-14 Corinna Vinschen <corinna@vinschen.de>
* security.cc (get_token_group_sidlist): Always add the interactive
group to the token. Add comment. Create logon_id group SID by
copying it from incoming group list.
(create_token): Add subauth_token parameter. Use information in
subauth_token if present. Tweak SourceIdentifier if subauth_token
is present for debugging purposes.
* security.h (create_token): Add subauth_token parameter in declaration.
* syscalls.cc (seteuid32): Call subauth first. Call create_token
regardless. Use subauth token in call to create_token if subauth
succeeded.
2006-07-13 Corinna Vinschen <corinna@vinschen.de>
* include/netinet/in.h: Update copyright.
2006-07-13 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::wait): Rework function so that
WaitForMultipleObjects is really only called when necessary.
2006-07-12 Corinna Vinschen <corinna@vinschen.de>
* include/netdb.h: Declare rcmd, rcmd_af, rexec, rresvport,
rresvport_af, iruserok, iruserok_sa, ruserok.
2006-07-12 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in (DLL_OFILES): Drop iruserok.o. Add rcmd.o.
* autoload.cc (rcmd): Drop definition.
* cygwin.din: Export bindresvport, bindresvport_sa, iruserok_sa,
rcmd_af, rresvport_af.
* net.cc (cygwin_rcmd): Remove.
(last_used_bindresvport): Rename from last_used_rrecvport.
(cygwin_bindresvport_sa): New function implementing bindresvport_sa.
(cygwin_bindresvport): New function implementing bindresvport.
(cygwin_rresvport): Remove.
* include/cygwin/version.h: Bump API minor number.
* include/netinet/in.h: Declare bindresvport and bindresvport_sa.
* libc/iruserok.c: Remove file.
* libc/rcmd.cc: New file implementing rcmd, rcmd_af, rresvport,
rresvport_af, iruserok_sa, iruserok and ruserok.
2006-07-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::getsockname): Return valid
result for unbound sockets.
2006-07-11 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Handle
wsock_mtx and wsock_evt on fork, thus handling close_on_exec correctly.
(fhandler_socket::fixup_after_exec): Drop misguided attempt to handle
close_on_exec here.
(fhandler_socket::dup): Call fixup_after_fork with NULL parent.
Add comment.
(fhandler_socket::set_close_on_exec): Handle wsock_mtx and wsock_evt.
2006-07-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (class fhandler_socket): Add wsock_mtx, wsock_evt
and wsock_events members. Remove closed status flag, add listener
status flag. Accomodate new implementation of socket event handling
methods. Declare recv* and send* functions ssize_t as the POSIX
equivalents.
(fhandler_socket::recv_internal): Declare.
(fhandler_socket::send_internal): Ditto.
* fhandler_socket.cc (EVENT_MASK): Define mask of selected events.
(fhandler_socket::fhandler_socket): Initialize new members.
(fhandler_socket::af_local_setblocking): Don't actually set the
socket to blocking mode. Keep sane event selection.
(fhandler_socket::af_local_unsetblocking): Don't actually set the
socket to previous blocking setting, just remember it.
(struct wsa_event): New structure to keep event data per shared
socket.
(NUM_SOCKS): Define number of shared sockets concurrently handled by
all active Cygwin processes.
(wsa_events): New shared datastructure keeping all wsa_event records.
(socket_serial_number): New shared variable to identify shared sockets.
(wsa_slot_mtx): Global mutex to serialize wsa_events access.
(search_wsa_event_slot): New static function to select a new wsa_event
slot for a new socket.
(fhandler_socket::prepare): Rewrite. Prepare event selection
per new socket.
(fhandler_socket::wait): Rewrite. Wait for socket events in thread
safe and multiple process safe.
(fhandler_socket::release): Rewrite. Close per-socket descriptor
mutex handle and event handle.
(fhandler_socket::dup): Duplicate wsock_mtx and wsock_evt. Fix
copy-paste error in debug output.
(fhandler_socket::connect): Accomodate new event handling.
(fhandler_socket::listen): Set listener flag on successful listen.
(fhandler_socket::accept): Accomodate new event handling.
(fhandler_socket::recv_internal): New inline method centralizing
common recv code.
(fhandler_socket::recvfrom): Call recv_internal now.
(fhandler_socket::recvmsg): Ditto. Streamline copying from iovec
to WSABUF.
(fhandler_socket::send_internal): New inline method centralizing
common send code.
(fhandler_socket::sendto): Call send_internal now.
(fhandler_socket::sendmsg): Ditto. Streamline copying from iovec
to WSABUF.
(fhandler_socket::close): Call release now.
(fhandler_socket::ioctl): Never actually switch to blocking mode.
Just keep track of the setting.
* net.cc (fdsock): Call prepare now.
(cygwin_connect): Revert again to event driven technique.
(cygwin_accept): Ditto.
* poll.cc (poll): Don't call recvfrom on a listening socket.
Remove special case for failing recvfrom.
* include/sys/socket.h: Declare recv* and send* functions ssize_t as
requested by POSIX.
2006-07-07 Corinna Vinschen <corinna@vinschen.de>
* net.cc (cygwin_inet_ntop): Fix data type of forth parameter.
2006-07-06 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/in6.h (struct in6_addr): Fix typo.
2006-07-06 Corinna Vinschen <corinna@vinschen.de>
* cygwin.din: Export in6addr_any, in6addr_loopback, freeaddrinfo,
gai_strerror, getaddrinfo, getnameinfo.
* fhandler_socket.cc: Include cygwin/in6.h.
(get_inet_addr): Accomodate AF_INET6 usage.
(fhandler_socket::connect): Ditto.
(fhandler_socket::listen): Ditto.
(fhandler_socket::sendto): Ditto.
* net.cc: Include cygwin/in6.h.
(in6addr_any): Define.
(in6addr_loopback): Define.
(cygwin_socket): Accomodate AF_INET6 usage.
(socketpair): Bind socketpairs only to loopback for security.
(inet_pton4): New static function.
(inet_pton6): Ditto.
(cygwin_inet_pton): New AF_INET6 aware inet_pton implementation.
(inet_ntop4): New static function.
(inet_ntop6): Ditto.
(cygwin_inet_ntop): New AF_INET6 aware inet_ntop implementation.
(ga_aistruct): New static function.
(ga_clone): Ditto.
(ga_echeck): Ditto.
(ga_nsearch): Ditto.
(ga_port): Ditto.
(ga_serv): Ditto.
(ga_unix): Ditto.
(gn_ipv46): Ditto.
(ipv4_freeaddrinfo): Ditto.
(ipv4_getaddrinfo): Ditto.
(ipv4_getnameinfo): Ditto.
(gai_errmap_t): New structure holding error code - error string mapping.
(cygwin_gai_strerror): New function implementing gai_strerror.
(w32_to_gai_err): New static function.
(get_ipv6_funcs): Ditto.
(load_ipv6_funcs): Ditto.
(cygwin_freeaddrinfo): New function implementing freeaddrinfo.
(cygwin_getaddrinfo): New function implementing getaddrinfo.
(cygwin_getnameinfo): New function implementing getnameinfo.
* include/netdb.h: Include stdint.h and cygwin/socket.h. Define
data types and macros used by getaddrinfo and friends. Declare
freeaddrinfo, gai_strerror, getaddrinfo and getnameinfo.
* include/cygwin/in.h: Add IPv6 related IPPROTOs. Remove definition
of struct sockaddr_in6. Include cygwin/in6.h instead.
* include/cygwin/in6.h: New header file defining IPv6 releated
data types and macros.
* include/cygwin/socket.h: Enable AF_INET6 and PF_INET6. Add
IPv6 related socket options.
* include/cygwin/version.h: Bump API minor number.
2006-07-06 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (DsGetDcNameA): Define.
(NetGetAnyDCName): Define.
* security.cc: Include dsgetdc.h.
(DsGetDcNameA): Declare.
(DS_FORCE_REDISCOVERY): Define.
(get_logon_server): Add bool parameter to control rediscovery of DC.
Use DsGetDcNameA function if supported, NetGetDCName/NetGetAnyDCName
otherwise.
(get_server_groups): Rediscover DC if get_user_groups fails and
try again.
(get_reg_security): Use correct error code macro when testing
RegGetKeySecurity return value.
* security.h (get_logon_server): Remove default vaue from wserver
parameter. Add rediscovery parameter.
* uinfo.cc (cygheap_user::env_logsrv): Accomodate rediscovery parameter
in call to get_logon_server.
(NtSetEaFile): Define.
* fhandler.cc (fhandler_base::open): Use appropriate open flags
in query case when allow_ntea is set.
* ntdll.h (struct _FILE_GET_EA_INFORMATION): Define.
(struct _FILE_FULL_EA_INFORMATION): Define.
(NtQueryEaFile): Declare.
(NtSetEaFile): Declare.
* ntea.cc (read_ea): Rename from NTReadEA and rewrite using
NtQueryEaFile.
(write_ea): Rename from NTWriteEA and rewrite using NtSetEaFile.
* path.cc (get_symlink_ea): Make static. Add handle parameter to
accomodate new read_ea call.
(set_symlink_ea): Make static. Add handle parameter to accomodate new
write_ea call.
(symlink_worker): Call set_symlink_ea while file is still open.
(symlink_info::check): Call get_symlink_ea after file has been opened.
* security.cc (get_file_attribute): Accomodate new read_ea call.
(set_file_attribute): Accomodate new write_ea call.
* security.h (read_ea): Change declaration accordingly.
(write_ea): Ditto.
(NtOpenDirectoryObject): Define.
(NtQueryDirectoryObject): Define.
* fhandler_proc.cc: Include ctype.h and wchar.h.
(format_proc_partitions): Revamp loop over existing harddisks by
scanning the NT native \Device object directory and looking for
Harddisk entries.
* ntdll.h: Rearrange system call declarations alphabetically.
(DIRECTORY_QUERY): Define.
(struct _DIRECTORY_BASIC_INFORMATION): Define.
(NtOpenDirectoryObject): Declare.
(NtQueryDirectoryObject): Declare.
* fhandler_socket.cc (address_in_use): New function to check if
sockaddr_in address is already in use.
(fhandler_socket::bind): Check if address is alreay in use in case of
SO_REUSEADDR, to circumvent WinSock non-standard behaviour.
* dir.cc (__opendir_with_d_ino): Just call opendir.
(opendir): Remove CYGWIN_VERSION_CHECK_FOR_NEEDS_D_INO handling.
(readdir_worker): Only try generating d_ino if it's 0.
Utilize namehash of directories fhandler. Call readdir_get_ino to
generate d_ino for "..".
(seekdir64): Keep dirent_set_d_ino flag.
* fhandler.h (enum dirent_states): Add dirent_get_d_ino.
(class fhandler_disk_file): Declare new private methods readdir_helper
and readdir_9x.
* fhandler_disk_file.cc (path_conv::hasgood_inode): New method to
evaluate if a filesystem has reliable inode numbers.
(fhandler_base::fstat_by_handle): Accomodate structure member name
change from IndexNumber to FileId.
(fhandler_base::fstat_helper): Call hasgood_inode here.
(fhandler_disk_file::opendir): Call fhaccess only for real files.
Don't append '*' to __d_dirname here, move to readdir_9x. On NT,
open directory handle here. Set dirent_get_d_ino and dirent_set_d_ino
flags according to wincap and filesystem.
(fhandler_disk_file::readdir_helper): New method to implement readdir
postprocessing only once.
(readdir_get_ino_by_handle): New static function.
(readdir_get_ino): New function to centralize inode number evaluation
in case inode number hasn't been returned by NtQueryDirectoryFile.
(fhandler_disk_file::readdir): Move old functionality to readdir_9x.
Call readdir_9x when on 9x/Me. Implement NT specific readdir here.
(fhandler_disk_file::readdir_9x): Move 9x specific readdir here.
(fhandler_disk_file::seekdir): Accomodate new NT readdir method.
(fhandler_disk_file::closedir): Ditto.
(fhandler_cygdrive::fstat): Set d_ino to namehash. Add comment.
(fhandler_cygdrive::opendir): Call get_namehash to prepare later
correct evaluation of d_ino.
(fhandler_cygdrive::readdir): Replace recursion with loop. Evaluate
drive's d_ino by calling readdir_get_ino.
* fhandler_proc.cc (fhandler_proc::readdir): Set dirent_saw_dot and
dirent_saw_dot_dot to avoid seeing . and .. entries twice.
* fhandler_process.cc (fhandler_process::readdir): Ditto.
* fhandler_registry.cc (fhandler_registry::readdir): Ditto.
* ntdll.h (STATUS_INVALID_PARAMETER): New define.
(STATUS_INVALID_LEVEL): New define.
(struct _FILE_INTERNAL_INFORMATION): Rename member IndexNumber to
FileId (as in Nebbitt).
* path.h (path_conv::hasgood_inode): Now implemented in
fhandler_disk_file.cc.
* wincap.h (wincaps::has_fileid_dirinfo): New element.
* wincap.cc: Implement above element throughout.
* winsup.h (readdir_get_ino): Add declaration.
* include/sys/dirent.h (struct dirent): Slightly rename structure
members to accomodate changes.
Remove __USE_EXPENSIVE_CYGWIN_D_INO handling and declaration of
__opendir_with_d_ino.
* cygheap.cc (_csbrk): Call getpagesize instead of getshmlba.
* dcrt0.cc (dll_crt0_0): Call mmap_init.
* external.cc (cygwin_internal): Call getpagesize instead of getshmlba.
* fhandler.h (fhandler_base::mmap): Change access to prot parameter.
(fhandler_base::fixup_mmap_after_fork): Ditto.
(fhandler_disk_file::mmap): Ditto.
(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
(fhandler_dev_mem::mmap): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::write): Call getsystempagesize
instead of getpagesize.
(fhandler_dev_mem::read): Ditto.
(fhandler_dev_mem::fstat): Ditto.
(fhandler_dev_mem::mmap): Move to mmap.cc.
(fhandler_dev_mem::munmap): Ditto.
(fhandler_dev_mem::msync): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
* fhandler_proc.cc (format_proc_meminfo): Call getsystempagesize
instead of getpagesize.
* fhandler_process.cc (format_process_stat): Ditto.
(format_process_status): Ditto.
(get_mem_values): Ditto.
* mmap.cc: Fix formatting. Try to make more readable and modular.
Take advantage of pagesize==granularity.
(gen_protect): New static function to evaluate Windows
protection bits from POSIX protection and flags.
(gen_access): Ditto for Windows access mode.
(VirtualProt9x): Wrapper function to call VirtualProtect on 9x.
(VirtualProtNT): Ditto for NT.
(VirtualProtEx9x): Ditto for VirtualProtectEx on 9x.
(VirtualProtExNT): Ditto for NT.
(CreateMapping9x): Wrapper function for creating a mapping handle on 9x.
(CreateMappingNT): Ditto for NT.
(MapView9x): Wrapper function to map a view on 9x.
(MapViewNT): Ditto for NT.
(mmap_funcs_9x): Structure containing function pointers to wrapper
functions for 9x.
(mmap_funcs_nt): Ditto for NT.
(mmap_func): Pointer to wrapper functions used in subsequent code.
(mmap_init): Initialize mmap_func depending on OS.
(class mmap_record): Use sensible member names. Add POSIX protection
member. Drop Windows access flags member. Constify more methods.
Use accessors instead of direct member access inside of own methods.
(mmap_record::gen_protect): Class wrapper to evaluate matching
Windows protection bits.
(mmap_record::gen_access): Ditto for Windows access flags.
(mmap_record::compatible_flags): New function to check if flags are
compatible with flags of existing map.
(list::add_record): Drop offset and length arguments.
(class map): Change counters to unsigned. Match usage throughout.
(mmapped_areas): Convert from pointer to global struct.
(mmap_record::alloc_page_map): Simplify.
(mmap_record::map_pages): Ditto.
(mmap_record::fixup_page_map): Delete.
(mmap64): Simplify. Add workaround for Windows 98 bug. Fix bug on
NT that existing anonymous mappings weren't searched for a match.
(munmap): Add workaround for Windows 98 bug.
(msync): Simplify.
(mprotect): Handle existing maps correctly.
(mlock): Add local pagesize variable and enlightening comment.
(fhandler_disk_file::mmap): Main functionality now in CreateMapping/
MapView wrapper functions.
(fhandler_disk_file::fixup_mmap_after_fork): Call MapView wrapper.
(fhandler_dev_mem::mmap): Moved from fhandler_mem.cc. Simplify by
calling MapViewNT.
(fhandler_dev_mem::munmap): Moved from fhandler_mem.cc.
(fhandler_dev_mem::msync): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto. Call MapViewNT.
(fixup_mmaps_after_fork): Restructure and hopefully speed up loop for
setting protection and memory content on MAP_PRIVATE maps.
* ntdll.h (AT_ROUND_TO_PAGE): Remove define.
(AT_EXTENDABLE_FILE): Add define.
(NtCreateSection): Add prototype.
* syscalls.cc (getpagesize): Return granularity as pagesize now.
(getsystempagesize): New function to retrieve "real" pagesize.
(getshmlba): Delete since it's replaced by getpagesize now.
* wincap.h (wincaps::has_mmap_alignment_bug): New element.
* wincap.cc: Implement above element throughout.
* winsup.h (getshmlba): Drop prototype.
(getsystempagesize): Add prototype.
(mmap_init): Ditto.
* include/sys/mman.h: (Not yet) define MAP_NORESERVE.
whenever ctty == -1 regardles of whetehr there's a windows station already
assigned. Close the old windows station in this situation.
* pinfo.cc (_pinfo::set_ctty): Reinstate incrementing of console count when
recording ctty so that the current tty is always around.
from ws2_32. Rearrange symbol order accordingly. None of the ws2_32
functions is optional right now.
(wsadata): Move from net.cc here. Define NO_COPY.
(wsock_init): Drop unused symbols ws2_32_handle and wsock32_handle.
(load_wsock32): Remove.
(WSACleanup): Remove.
* fhandler_socket.cc: Drop Winsock 1 accommodations throughout.
(fhandler_socket::readv): Accomodate new POSIX style struct msghdr.
(fhandler_socket::writev): Ditto.
(fhandler_socket::recvmsg): Ditto. Handle "old" applications using
former struct msghdr correctly.
* net.cc: Drop Winsock 1 accommodations throughout.
(wsadata): Move definition to autoload.cc.
(set_socket_inheritance): Remove.
(convert_ws1_ip_optname): New static function to convert Winsock1
IPPROTO_IP option values into Winsock2 IPPROTO_IP option values.
(cygwin_setsockopt): Remove wrong and incomplete cleartext printing
of optname. For "old" applications, convert optname from Winsock1
to Winsock2 values before using them. Add comment to describe the
IP_TOS weirdness on W2K and above.
(cygwin_getsockopt): Remove wrong and incomplete cleartext printing
of optname. For "old" applications, convert optname from Winsock1
to Winsock2 values before using them.
* select.cc (start_thread_socket): Forget about winsock2_active.
* winsup.h (wsock32_handle): Remove declaration.
(ws2_32_handle): Ditto.
(netapi32_handle): Ditto.
(wsadata): Ditto.
(winsock2_active): Remove definition.
* include/cygwin/socket.h: Change formatting slightly.
(socklen_t): Move definition up in file.
(struct msghdr): Convert to POSIX style.
(struct cmsghdr): New type.
(CMSG_ALIGN): New macro.
(CMSG_LEN): Ditto.
(CMSG_SPACE): Ditto.
(CMSG_FIRSTHDR): Ditto.
(CMSG_NXTHDR): Ditto.
(CMSG_DATA): Ditto.
(SCM_RIGHTS): Ditto.
(struct OLD_msghdr): Define old msghdr structure for Cygwin internal
purposes.
(MSG_TRUNC): New macro.
(MSG_CTRUNC): Ditto.
(IP_OPTIONS): Redefine IPPROTO_IP option values to Winsock2 values.
Keep Winsock1 values for Cygwin internal purposes.
* include/cygwin/version.h: Bump API minor version.
(CYGWIN_VERSION_CHECK_FOR_USING_ANCIENT_MSGHDR): Define to check for
applications using old struct msghdr.
(CYGWIN_VERSION_CHECK_FOR_USING_WINSOCK1_VALUES): Define to check for
applications using old Winsock1 IPPROTO_IP values.
eof_detected status flag. Delete is_eom and is_eof methods.
Move drive_size, bytes_per_sector, eom_detected status flag, as well
as the methods read_file, write_file, raw_read and raw_write to ...
(class fhandler_dev_floppy): ... here. Remove is_eom and is_eof
methods. Add dup method.
* fhandler_floppy.cc (IS_EOM): New macro.
(fhandler_dev_floppy::is_eom): Remove.
(fhandler_dev_floppy::is_eof): Remove.
(fhandler_dev_floppy::fhandler_dev_floppy): Initialize status flags.
(fhandler_dev_floppy::get_drive_info): Only call EX functions on
systems supporting them and stop suffering strange delays.
(fhandler_dev_floppy::read_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::write_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::open): Rearrange comment.
(fhandler_dev_floppy::dup): New method.
(fhandler_dev_floppy::get_current_position): New inline method. Use
instead of former current_position were appropriate.
(fhandler_dev_floppy::raw_read): Move here. Drop EOF handling.
(fhandler_dev_floppy::raw_write): Move here. Drop EOF handling.
(fhandler_dev_floppy::lseek): Remove useless conditions. Convert
sector_aligned_offset to LARGE_INTEGER to improve SetFilePointer call.
(fhandler_dev_floppy::ioctl): Move blocksize check in RDSETBLK case
to here.
* fhandler_raw.cc (fhandler_dev_raw::is_eom): Remove.
(fhandler_dev_raw::is_eof): Remove.
(fhandler_dev_raw::write_file): Remove.
(fhandler_dev_raw::read_file): Remove.
(fhandler_dev_raw::raw_read): Remove.
(fhandler_dev_raw::raw_write): Remove.
(fhandler_dev_raw::dup): Drop copying removed members.
(fhandler_dev_raw::ioctl): Drop blocksize testing.
* wincap.h: Implement has_disk_ex_ioctls throughout.
* wincap.cc: Ditto.
(wincap_vista): Preliminary wincaps for Windows Vista/Longhorn.
(wincapc::init): Add Vista/Longhorn handling.
* dir.cc (mkdir): Check path for writability.
(rmdir): Ditto. Remove check for special directories.
* path.cc (path_conv::check): Set PATH_RO for virtual devices. Set error if
read-only and asked for writability.
* path.h (pathconv_arg): Add PC_WRITABLE.
(path_types): Add PATH_RO.
(path_conv::isro): Add (currently unused) check for read-only filesystem.
Return "ENOSHARE" when we know a share doesn't exist.
* include/sys/mount.h: Add MOUNT_RO flag.
* autoload.cc (WNetGetResourceInformationA): Import.
* fhandler_netdrive.cc (fhandler_netdrive::exists): Detect actual existence of
remote system rather than always assuming that it exists.
collision with large data areas.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Accommodate changes to
open_shared arguments.
* fhandler_tape.cc (mtinfo_init): Ditto.
* pinfo.cc (pinfo::init): Use open_shared rather than win32 mmap calls.
* shared.cc (user_shared_initialize): Ditto.
(memory_init): Ditto.
(open_shared): Change to allow use a smore general mmap handler.
* shared_info.h (shared_locations): Add SH_JUSTCREATE, SH_JUSTOPEN.
(open_shared): Change declaration to match new usage.
* autoload.cc (LoadDLLfuncEx2): Define in terms of LoadDLLfuncEx3.
(LoadDLLfuncEx3): New macro.
* fhandler.cc (fhandler_base::raw_write): Don't touch has_changed flag.
* fhandler.h (enum change_state): Remove.
(fhandler_base::status): Revert has_changed to a simple bit.
(fhandler_base::fstat_helper): Add nAllocSize parameter. Rename
ftCreationTime to ftChangeTime.
* fhandler_disk_file.cc:
Call fstat_helper with additional
allocation size throughout.
(fhandler_base::fstat_by_handle): Use NT native functions to get
full file information on NT. Call fstat_helper with LastWriteTime
as ctime, if ChangeTime is not available.
(fhandler_base::fstat_by_name): Call fstat_helper with LastWriteTime
as ctime.
(fhandler_base::fstat_helper): Add comment. Drop special FAT
handling since it's useless. Use nAllocSize for st_blocks if available.
(fhandler_disk_file::touch_ctime): Only touch LastWriteTime.
(fhandler_disk_file::fchmod): Set has_changed on 9x only.
(fhandler_disk_file::fchown): Don't set has_changed.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::ftruncate): Ditto.
(fhandler_disk_file::link): Set has_changed on 9x only and on original
file only.
(fhandler_base::open_fs): Don't set has_changed in O_TRUNC case.
* ntdll.h (FILE_BASIC_INFORMATION): Define.
(FILE_STANDARD_INFORMATION): Define.
(FILE_INTERNAL_INFORMATION): Define.
(FILE_EA_INFORMATION): Define.
(FILE_ACCESS_INFORMATION): Define.
(FILE_POSITION_INFORMATION): Define.
(FILE_MODE_INFORMATION): Define.
(FILE_ALIGNMENT_INFORMATION): Define.
(FILE_NAME_INFORMATION): Don't define with arbitrary FileName size.
(FILE_ALL_INFORMATION): Define.
(FILE_INFORMATION_CLASS): Add FileAllInformation.
(FILE_FS_VOLUME_INFORMATION): Define.
(FS_INFORMATION_CLASS): Define.
(NtQueryVolumeInformationFile): Define.
* autoload.cc (GetVolumePathNamesForVolumeNameA): Remove.
* autoload.cc (GetVolumeNameForVolumeMountPointA): Add.
* syscalls.cc (sync): Rewrite guid case to skip floppies also on
Windows 2000.
(FindNextVolumeA): Add.
(FindVolumeClose): Add.
(GetVolumePathNamesForVolumeNameA): Add.
* fhandler.h (class fhandler_base): Declare new method fsync.
* fhandler.cc (fhandler_base::fsync): New method.
* syscalls.cc (fsync): Move functionality into fhandler method fsync.
Just call this method from here.
(sync_worker): New static function.
(sync): Fill with life for NT systems.
* wincap.h (wincaps::has_guid_volumes): New element.
* wincap.cc: Implement above element throughout.
(CoUninitialize): Remove.
(CoCreateInstance): Remove.
(CoTaskMemFree): Add.
(SHGetDesktopFolder): Add.
* path.cc (shortcut_header): Remove.
(shortcut_initalized): Remove.
(GUID_shortcut): New static GUID.
(struct win_shortcut_hdr): New struct describing Windows shortcut
header structure.
(symlink_worker): Rewrite creating Windows shortcuts. Create
ITEMIDLIST if target exists. Only write once.
(cmp_shortcut_header): Use win_shortcut_hdr structure for comparison.
(check_shortcut): Rewrite to read only once from file. Allow skipping
an ITIMIDLIST in the file.
* autoload.cc (NtQueryInformationFile): Return nonzero on error.
* ntdll.h (FILE_PIPE_LOCAL_INFORMATION): Add.
(NtQueryInformationFile): Fix types for last two arguments.
* pipe.cc: Include stdlib.h, limits.h, and ntdll.h.
(create_selectable_pipe): New function to create a pipe that can be used with
NtQueryInformationFile for select.
(fhandler_pipe::create): Call create_selectable_pipe instead of CreatePipe.
(pipe): Use DEFAULT_PIPEBUFSIZE as argument to create_pipe.
* select.cc: Include limits.h and ntdll.h.
(peek_pipe): Add select_printf output. Call NtQueryInformationFile to
implement select for write on pipes.
(fhandler_pipe::select_read): Reorder field assignments to be consistent with
fhandler_pipe::select_write.
(fhandler_pipe::select_write): Initialize startup, verify, cleanup, and
write_ready fields for select_record.
(fhandler_pipe::select_except): Tweak indentation to be consistent with
fhandler_pipe::select_write.
(IsWow64Process): Add.
* init.cc (respawn_wow64_process): New function.
(dll_entry): If process has been started from a 64 bit
process, call respawn_wow64_process.
* uname.cc (uname): On 64 bit systems, use GetNativeSystemInfo.
Show actual CPU type.
* dir.cc (mkdir): Change set_file_attribute call to indicate that
NT security isn't used.
* fhandler.cc (fhandler_base::open_9x): New method, created from
fhandler_base::open.
(fhandler_base::open): Rearrange to use NtCreateFile instead of
CreateFile.
* fhandler.h (enum query_state): Redefine query_null_access to
query_stat_control. query_null_access isn't allowed in NtCreateFile.
(fhandler_base::open_9x): Declare.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use
query_stat_control first, query_read_control if that fails.
(fhandler_disk_file::fchmod): Call enable_restore_privilege before
trying to open for query_write_control. Don't fall back to
opening for query_read_control.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Only request restore privilege and query
access necessary for given cmd.
* fhandler_raw.cc (fhandler_dev_raw::open): Call fhandler_base::open
instead of opening device here.
* ntdll.h (NtCreateFile): Declare.
* path.cc (symlink_worker): Change set_file_attribute call to indicate
that NT security isn't used.
* sec_acl.cc (getacl): Fix bracketing.
* sec_helper.cc (enable_restore_privilege): New function.
* security.cc (str2buf2uni_cat): New function.
(write_sd): Don't request restore permission here.
* security.h (set_process_privileges): Drop stale declaration.
(str2buf2uni): Declare.
(str2buf2uni_cat): Declare.
(enable_restore_privilege): Declare.
* syscalls.cc (fchown32): Return immediate success on 9x.
* fhandler.h (class fhandler_dev_dsp): Add class Audio, class Audio_in
and class Audio_out members and audio_in_, audio_out_ pointers so
that future changes are restricted to file fhandler_dsp.cc.
* fhandler_dsp.cc (fhandler_dev_dsp::Audio): Add this class to treat
things common to audio recording and playback.
Add more format conversions.
(fhandler_dev_dsp::Audio::queue): New queues for buffer management
to fix incomplete cleanup of buffers passed to the wave device.
(fhandler_dev_dsp::Audio_in): New, added class to implement audio
recording.
(fhandler_dev_dsp::Audio_out): Rework to use functionality provided
by fhandler_dev_dsp::Audio. Allocate memory audio buffers late,
just before write.
(fhandler_dev_dsp::Audio_out::start): Size of wave buffer allocated
here depends on audio rate/bits/channels.
(fhandler_dev_dsp::Audio_in::start): Ditto.
(fhandler_dev_dsp::setupwav): Replaced by following function.
(fhandler_dev_dsp::Audio_out::parsewav): Does not setup wave device
any more. Discard wave header properly.
(fhandler_dev_dsp::open): Add O_RDONLY and_RDWR as legal modes.
Protect against re-open. Activate fork_fixup.
(fhandler_dev_dsp::ioctl): Protect against actions when audio is
active. SNDCTL_DSP_GETFMTS only returns formats supported by
mmsystem wave API, not all supported formats. SNDCTL_DSP_GETBLKSIZE
result now depends on current audio format.
(fhandler_dev_dsp::fixup_after_fork): Call fork_fixup for the Audio
classes to let them duplicate the CRITICAL_SECTION.
compiler bug.
* autoload.cc (TryEnterCriticalSection): Remove.
* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to
NULL since it has really bad consequences. Make 'si' an automatic variable.
* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list
to be allocated every time.
* cygtls.h (CYGTLS_PADSIZE): Define as const int.
* sync.h: Make multiple inclusion safe.
(muto::next): Eliminate.
(muto::exiting_thread): New variable.
(muto::set_exiting_thread): New function.
(new_muto): Change to use different section for mutos since c++ give
inexplicable warning in some cases otherwise.
(new_muto1): Ditto.
* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
* sync.cc (muto_start): Eliminate.
(muto::acquire): Always give exiting thread a lock. Never give thread a lock
if exiting.
(muto::release): Ditto for releasing.
* dtable.cc (dtable::init_lock): Unline function and define here.
* dtable.h (lock_cs): Define as a muto since critical sections seem to work
oddly on Windows Me.
(lock): Accommodate switch to muto.
(unlock): Ditto.
* exceptions.cc (setup_handler): Don't worry about acquiring mutos since that
hasn't mattered for a long time.
(signal_exit): Ditto: muto stuff will be handled automatically on exit now.
* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization.
* autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to
pull the advapi32 link library in. So, comment out the autoloading.
* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
(_threadinfo::remove): Add debugging.
(_threadinfo::find_tls): Ditto.
* cygtls.h (_threadinfo::padding): Make zero length (for now?).
* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
(dll_crt0_1): See above.
* dtable.h (dtable::lock): Remove commented out critical section locking.
* dtable.h (dtable::init_lock): Remove commented out critical section locking.
* dtable.h (dtable::unlock): Remove commented out critical section locking.
* exceptions.cc (interruptible): bool'ize.
* init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom.
(munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread.
(prime_threads): Don't initialize tls stuff.
(dll_entry): Make minor change to initialization order.
* tlsoffsets.h: Regenerate.
* sigproc.cc (wait_sig): Add sanity check for end of process thread exit.
* select.h: Make minor formatting change.
* Makefile.in: Add still more -fomit-frame-pointer functions.
* dtable.h (dtable::lock): New function.
(dtable::unlock): New function.
(dtable::init_lock): New function.
* cygheap.h (HEAP_TLS): Declare new enum value.
(init_cygheap::threadlist): Declare new array.
(init_cygheap::sthreads): Declare new variable.
(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions.
(cygheap_fdnew::cygheap_fdnew): Ditto.
(cygheap_fdget::cygheap_fdget): Ditto.
* dtable.cc (dtable_init): Initialize fdtab critical section.
(dtable::fixup_after_fork): Ditto.
(dtable::fixup_after_exec): Ditto.
(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
(dtable::find_fifo): Ditto.
(dtable::fixup_before_fork): Ditto.
(dtable::fixup_before_exec): Ditto.
(dtable::set_file_pointers_for_exec): Ditto.
(dtable::vfork_child_dup): Ditto.
(dtable::vfork_parent_restore): Ditto.
* syscalls.cc (close_all_files): Ditto.
* sync.h (muto::acquired): Declare new function.
(new_muto1): Declare new macro used to specify name of muto storage.
* sync.cc (muto::acquired): Define new function.
* cygthread.cc (cygthread::stub): Remove signal chain removal call since it is
handled during initialization now.
* cygthread.cc (cygthread::simplestub): Remove signal chain removal call since
it is handled during initialization now.
* cygtls.cc (sentry): New class used for locking. Use throughout.
(_threadinfo::reset_exception): Don't pop stack.
(_threadinfo::find_tls): Move from exceptions.cc.
(_threadinfo::init_thread): Initialize array of threads rather than linked
list. Take second argument indicating thread function for this thread.
(_threadinfo::remove): Search thread array rather than linked list. Use sentry
to lock. Only unlock if we got the lock.
(_threadinfo::find_tls): Ditto for first two.
(handle_threadlist_exception): Handle exceptions when manipulating the thread
list in case of premature thread termination.
(_threadinfo::init_threadlist_exceptions): Ditto.
* cygtls.h (TLS_STACK_SIZE): Decrease size.
(_threadinfo::padding): Add element to avoid overwriting lower part of stack.
(_threadinfo::remove): Add a "wait" argument to control how long we wait for a
lock before removing.
* exceptions.cc (init_exception_handler): Make global. Take argument to
control exception handler being set.
(ctrl_c_handler): Wait forever when removing self from signal chain.
(_threadinfo::find_tls): Move to cygtls.cc.
(sig_handle): Reorganize detection for thread-specific signals.
* heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove
malloc initialization since it can't happen during dll attach.
* init.cc (search_for): Move address to search for on stack here.
(threadfunc_ix): Ditto for stack offset. Make shared so that stack walk
potentially only has to be done once when cygwin processes are running.
(threadfunc_fe): Use standard tls to store thread function (may change back
later).
(calibration_thread): New function. Potentially called to find threadfunc_ix.
(munge_threadfunc): Search for "search_for" value on stack. Output warning
when thread func not found on stack. Use standard tls to store thread
function.
(prime_threads): New function. Called to prime thread front end.
(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads
here. Try to remove thread from signal list here.
* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
* thread.cc (pthread::exit): Pass argument to signal list remove function.
* thread.h: Remove obsolete *ResourceLock defines.
* tlsoffsets.h: Regenerate.
* winsup.h (spf): Define temporary debug macro to be deleted later.
* dcrt0.cc (dll_crt0_0): New function, called during DLL initialization.
Mainly consists of code pulled from dll_crt0_1.
(dll_crt0_1): See above.
(_dll_crt0): Wait for initial calibration thread to complete, if appropriate.
Move some stuff to dll_crt0_0.
(initialize_main_tls): Accommodate argument change to
_thread_info::init_thread.
* fork.cc (fork_child): Ditto.
(sync_with_child): Fix debug message.
* external.cc (cygwin_internal): Remove special considerations for
uninitialized dll since initialization happens during dll attach now.
* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
(dlclose): Ditto.
* cygheap.h (init_cygheap::close_ctty): Declare new function.
* cygheap.cc (init_cygheap::close_ctty): Define new function.
* syscalls.cc (close_all_files): Use close_ctty.
(setsid): Ditto.
* cygthread.cc (cygthread::stub): Remove exception initialization.
* cygthread.cc (cygthread::stub): Remove exception initialization.
(cygthread::simplestub): Ditto.
* thread.cc (pthread::thread_init_wrapper): Ditto.
* cygtls.cc (_last_thread): Make static.
(_threadinfo::call2): Initialize exception handler here.
(_threadinfo::find_tls): Move here.
* exceptions.cc (_threadinfo::find_tls): Move.
* dcrt0.cc (__api_fatal): Add prefix info to message here rather than including
it in every call to function.
* winsup.h (api_fatal): Accommodate above change.
* debug.cc (add_handle): Don't do anything if cygheap not around.
(mark_closed): Ditto.
* dll_init.cc (dll_list::detach): Fix debug output.
* fork.cc (sync_with_child): Ditto.
(vfork): Improve debug output.
* heap.cc (heap_init): Ditto.
* exceptions.cc (try_to_debug): Clarify message when debugger attaches.
* wincap.h (wincaps::is_server): New flag.
(wincapc::version): Change type to OSVERSIONINFOEX.
(wincapc::is_server): New function.
* wincap.cc (wincap_unknown::is_server): New initializer.
(wincap_95): Ditto.
(wincap_95osr2): Ditto.
(wincap_98): Ditto.
(wincap_me): Ditto.
(wincap_nt3): Ditto.
(wincap_nt4): Ditto.
(wincap_nt4sp4): Ditto.
(wincap_2000): Ditto.
(wincap_xp): Ditto.
(wincapc::init): Adapt to OSVERSIONINFOEX. Add detection of NT server systems.
* sched.cc: Include windows.h and registry.h.
(sched_rr_get_interval): Re-implement for NT systems.
* uinfo.cc (cygheap_user::init): Make sure the current user appears
in the default DACL. Rearrange to decrease the indentation levels.
Initialize the effec_cygsid directly.
(internal_getlogin): Do not reinitialize myself->gid. Open the process
token with the required access.
* cygheap.h (class cygheap_user): Delete members pid and saved_psid.
Create members effec_cygsid and saved_cygsid.
(cygheap_user::set_sid): Define inline.
(cygheap_user::set_saved_sid): Ditto.
(cygheap_user::sid): Modify.
(cygheap_user::saved_sid): Modify.
* cygheap.cc (cygheap_user::set_sid): Delete.
(cygheap_user::set_saved_sid): Ditto.
* sec_helper.cc (sec_acl): Set the correct acl size.
* autoload.cc (FindFirstFreeAce): Add.
* security.h: Define ACL_DEFAULT_SIZE.
Corinna Vinschen
Christopher Faylor
Dave Korn
Pierre Humblet