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.
(initial_env): Use small_printf's %P specifier.
* dll_init.cc (dll_list::alloc): Use PATH_MAX instead of CYG_MAX_PATH
for path name buffer size.
* dll_init.h (struct dll): Ditto.
* environ.cc: Include string.h.
(win_env::add_cache): Use temporary local buffer for path conversion.
(posify): Ditto.
* exceptions.cc (try_to_debug): Use CreateProcessW to allow long path
names.
* miscfuncs.cc: Drop unused implementations of strcasematch and
strncasematch.
(ch_case_eq): Drop.
(strcasestr): Drop.
(cygwin_wcscasecmp): New function.
(cygwin_wcsncasecmp): New function.
(cygwin_strcasecmp): New function.
(cygwin_strncasecmp): New function.
(cygwin_wcslwr): New function.
(cygwin_wcsupr): New function.
(cygwin_strlwr): New function.
(cygwin_strupr): New function.
* ntdll.h (RtlDowncaseUnicodeString): Declare.
(RtlUpcaseUnicodeString): Declare.
(RtlInt64ToHexUnicodeString): Fix typo in comment.
* string.h: Disable not NLS aware implementations of strcasematch
and strncasematch.
(cygwin_strcasecmp): Declare.
(strcasecmp): Define as cygwin_strcasecmp.
(cygwin_strncasecmp): Declare.
(strncasecmp): Define as cygwin_strncasecmp.
(strcasematch):Define using cygwin_strcasecmp.
(strncasematch):Define using cygwin_strncasecmp.
(cygwin_strlwr): Declare.
(strlwr): Define as cygwin_strlwr.
(cygwin_strupr): Declare.
(strupr): Define as cygwin_strupr.
* wchar.h: New file.
* wincap.cc (wincapc::init): Use "NT" as fix OS string.
* winsup.h (strcasematch): Drop declaration.
(strncasematch): Ditto.
(strcasestr): Ditto.
* 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.
the capabilities of NT4.
(wincap_95): Remove.
(wincap_95osr2): Remove.
(wincap_98): Remove.
(wincap_98se): Remove.
(wincap_me): Remove.
(wincap_nt3): Remove.
(wincapc::init): Temporarily bail out on any 9x system.
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.
(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.
* 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.
Expect first DWORD in child_info struct being set to non-zero if
wincap.needs_count_in_si_lpres2 is set. Add comment to explain why.
* fork.cc (frok::parent): Set ch.zero[0] to a sensible count value
if wincap.needs_count_in_si_lpres2 is set.
* spawn.cc (spawn_guts): Ditto. Add filler bytes after ch on stack
to accomodate needs_count_in_si_lpres2.
* wincap.h: Define needs_count_in_si_lpres2 throughout.
* wincap.cc: Ditto.
* environ.cc: Disable subauth settings.
* grp.cc: Accomodate cygsidlist's count now being a method.
* sec_helper.cc (SECURITY_MANDATORY_INTEGRITY_AUTHORITY): Remove.
(mandatory_medium_integrity_sid): Remove.
(mandatory_high_integrity_sid): Remove.
(mandatory_system_integrity_sid): Remove.
(fake_logon_sid): Add.
(cygsid::get_sid): Add well_known parameter. Set well_known_sid
accordingly.
(cygsid::getfromstr): Ditto.
(cygsidlist::alloc_sids): Move here from security.cc.
(cygsidlist::free_sids): Ditto.
(cygsidlist::add): Move here from security.h. Add well_known parameter.
Set well_known_sid accordingly. Don't allow duplicate SIDs.
* security.cc: Include cyglsa.h and cygwin/version.h. Throughout
accomodate cygsidlist's count now being a method. Throughout drop
redundant "contains" tests.
(get_user_local_groups): Add local groups as well known SIDs.
(get_token_group_sidlist): Add well known groups as well known SIDs.
(get_server_groups): Ditto. Only call get_unix_group_sidlist after
get_user_local_groups to maintain "well_known_sid" attribute.
(get_initgroups_sidlist): Add well known groups as well known SIDs.
(get_setgroups_sidlist): Add usersid and struct passwd parameter to
allow calling get_server_groups from here.
(get_system_priv_list): Make static. Return size of TOKEN_PRIVILEGES
structure.
(get_priv_list): Ditto.
(create_token): Accomodate above changes. Drop misguided attempt to
add MIC SIDs to created user token. Print returned token as hex value.
(subauth): Disable.
(lsaauth): New function implementing client side of LSA authentication.
* security.h (class cygsid): Add well_known_sid attribute. Accomodate
throughout. Add *= operator to create a well known SID.
(class cygsidlist): Rename count to cnt. Make count a method.
(cygsidlist::add): Move to sec_helper.cc.
(cygsidlist::operator *=): New method to add well known SID.
(cygsidlist::non_well_known_count): New method returning number of
non well known SIDs in list.
(cygsidlist::next_non_well_known_sid): New method returning next non
well known SID by index.
(mandatory_medium_integrity_sid): Drop declaration.
(mandatory_high_integrity_sid): Drop declaration.
(mandatory_system_integrity_sid): Drop declaration.
(fake_logon_sid): Add declaration.
(subauth): Disable declaration.
(lsaauth): Add declaration.
* syscalls.cc (seteuid32): Disable subauthentication. Add LSA
authentication.
* wincap.h: Define needs_logon_sid_in_sid_list throughout.
* wincap.cc: Ditto.
(well_known_this_org_sid): New well known sid.
(SECURITY_MANDATORY_INTEGRITY_AUTHORITY): Define.
(mandatory_medium_integrity_sid): New well known sid.
(mandatory_high_integrity_sid): Ditto.
(mandatory_system_integrity_sid): Ditto.
(cygsid::get_sid): Use local SID_IDENTIFIER_AUTHORITY. Allow all
authorities fitting in a UCHAR.
* security.cc (get_token_group_sidlist): Always add the local
group to the token. Add comment. Add "This Organization" group
if available in incoming group list.
(get_server_groups): Only add world and authenticated users groups
if not already in list.
(create_token): Add matching mandatory integrity SID to group list
on systems supporting Mandatory Integrity Control.
* security.h (well_known_this_org_sid): Define.
(mandatory_medium_integrity_sid): Define.
(mandatory_high_integrity_sid): Define.
(mandatory_system_integrity_sid): Define.
* wincap.h: Define has_mandatory_integrity_control throughout.
* wincap.cc: Ditto.
on/off depending on whether we have allocated a console or not.
* dcrt0.cc (child_info_fork::fork_retry): Add more potential retry statuses.
(dll_crt0_0): Turn on/off console control depending on whether we have a
controlling tty or not.
* exceptions.cc (init_console_handler): Change BOOL to bool.
* fhandler_console.cc (fhandler_console::need_invisible): Cosmetic change.
* winsup.h (init_console_handler): Reflect argument type change.
* wincap.h (supports_setconsolectrlhandler_null): Remove duplicate capability
throughout.
* wincap.cc: Ditto.
later. Add a comment.
* fork.cc (resume_child): Make void.
(frok::parent): Only zero pi when necessary. Explicitly zero si. Set
this_errno when child_copy fails. Accommodate change to resume_child.
* sigproc.cc (sigalloc): Move global_sigs initialization here.
(sigproc_init): Move global_sigs.
(sig_send): Just check for flush signals once.
* wincap.h: Define supports_setconsolectrlhandler_null throughout.
* wincap.cc: Ditto.
* fhandler_socket.cc (fhandler_socket::bind): Set socket to
SO_EXCLUSIVEADDRUSE if application didn't explicitely set SO_REUSEADDR
socket option, on systems supporting SO_EXCLUSIVEADDRUSE.
* net.cc (cygwin_setsockopt): Set fhandler's saw_reuseaddr status flag
if SO_REUSEADDR socket option has been successsfully set.
* wincap.h (wincaps::has_exclusiveaddruse): New element.
* wincap.cc: Implement above element throughout.
* 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.
Windows 2000 and above. Clarify the comment about IP_TOS and move
to the place where the magic happens.
(get_ifconf): Remove unused code.
* wincap.h (wincaps::has_disabled_user_tos_setting): New element.
* wincap.cc: Implement above element throughout.
* init.cc (dll_entry): Rename is_wow64_proc to wow64_test_stack_marker.
Call wincap.init here before doing anything else. Use wincap.is_wow64
to determine if we're running in a WOW64 emulator.
* mmap.cc (MapViewNT): Don't use AT_ROUND_TO_PAGE in WOW64, it's
apparently not supported.
(mmap64): Don't create mappings beyond EOF, which would need to use
AT_ROUND_TO_PAGE, on WOW64.
* wincap.cc (wincap): Throw into the .cygwin_dll_common section.
(wincapc::init): Determine if running in WOW64 and set wow_64 flag.
* wincap.h (class wincapc): Add wow64 member.
(wincapc::is_wow64): New method.
* 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.
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.
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.
(wincapc::detect_win16_exe): Implement.
* wincap.cc: Populate detect_win16_exe where appropriate.
* spawn.cc (spawn_guts): Only go out of the way to detect 16-bit apps on
systems which are flummoxed by them.
* autoload.cc (GetVolumePathNamesForVolumeNameA): Remove.
* autoload.cc (GetVolumeNameForVolumeMountPointA): Add.
* syscalls.cc (sync): Rewrite guid case to skip floppies also on
Windows 2000.
* wincap.h (wincaps::has_get_volume_pathnames): Rename from
has_guid_volumes
* wincap.cc: Accomodate above rename throughout. Set to false on
Windows 2000.
set_socketpair_eids.
* fhandler_socket.cc (fhandler_socket::set_socketpair_eids): New method.
(fhandler_socket::dup): Duplicate sec_pipe if necessary.
(fhandler_socket::listen): Only create sec_pipe if named pipes are
available. Initialized sec_peer_pid to 0 as on Linux.
(fhandler_socket::connect): Only run eid credential transaction if
named pipes are available. Fake otherwise. Initialized sec_peer_pid
to 0 as on Linux.
(fhandler_socket::accept): Ditto.
(fhandler_socket::close): Move closing sec_pipe handle from here...
(fhandler_socket::~fhandler_socket): ... to here.
* net.cc (socketpair): Set eid credentials by calling
fhandler_socket::set_socketpair_eids() on both socket ends.
* wincap.h (wincaps::has_named_pipes): New element.
* wincap.cc: Implement above element throughout.
(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.
* fork.cc (fork_parent): Copy parent's nice value into child.
* spawn.cc (spawn_guts): Ditto.
* miscfuncs.cc (winprio_to_nice): New function.
(nice_to_winprio): Ditto.
* pinfo.cc (pinfo_init): If parent is not a Cygwin process, set
default nice value according to current Win32 priority class.
* pinfo.h (class _pinfo): Add nice member.
* syscalls.cc (setpriority): New function, only implementing
PRIO_PROCESS for now.
(getpriority): Ditto.
(nice): Just call setpriority.
* wincap.h (wincaps::has_extended_priority_class): New element.
* wincap.cc: Implement above element throughout.
* winsup.h: Add prototypes for winprio_to_nice and nice_to_winprio.
* include/limits.h (NZERO): New define.
* include/cygwin/types.h (id_t): New datatype.
* include/cygwin/version.h: Bump API minor version.
* include/sys/resource.h: Add PRIO_XXX defines and prototypes for
getpriority and setpriority.
Corinna Vinschen
Christopher Faylor