(cwdstuff::init): Don't call close_user_proc_parms_cwd_handle.
Call set to set cwd with all-sharing handle.
(cwdstuff::set): Fix comment. Don't close cwd handle. Set in
user parameter block instead and close old cwd handle.
* syscalls.cc (rename): Call unlink_nt instead of RemoveDirectory or
DeleteFile to allow deleting shared files/directories.
case of query_open flag set to query_read_control. Add case for
new query_read_attributes flag.
(fhandler_base::fstatvfs): New method.
* fhandler.h (enum query_state): Add query_read_attributes flag.
(class fhandler_base): Declare new virtual fstatvfs method.
(class fhandler_socket): Ditto.
(class fhandler_pipe): Ditto.
(class fhandler_fifo): Ditto.
(class fhandler_disk_file): Ditto.
(class fhandler_virtual): Ditto.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
query_read_attributes instead of query_read_control.
(fhandler_disk_file::fstatvfs): New method.
(fhandler_disk_file::facl): Open with query_read_attributes instead of
query_read_control.
* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
(fhandler_socket::fchmod): Return with EBADF in the default case.
(fhandler_socket::fchown): Ditto.
(fhandler_socket::facl): Ditto.
* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
* pipe.cc (fhandler_pipe::fstatvfs): New method.
* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
(statvfs): Ditto.
(fstatfs): Call fstatvfs.
(statfs): Drop EFAULT handling.
* mmap.cc (gen_access): Remove.
(mmap_record::gen_access): Remove.
(mmap64): Don't mention 9x any longer.
* syscalls.cc (statvfs): Drop status code consideration for 9x.
* libc/minires-os-if.c (get_registry_dns_items): Don't mention 9x any
longer.
(get_registry_dns): Drop getting registry key on 9x. Drop is9x
variable.
* 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.
* posix_ipc.cc: Include thread.h and semaphore.h. Remove TODO
comment.
(ipc_names): Add max_len member. Set to maximum length of the path
before tacking on the prefix path. Set prefix path for named semaphors
to /dev/shm, as on Linux.
(enum ipc_type_t): Change sem to semaphore to avoid name conflicts.
(check_path): Detect empty paths. Use ipc_names's max_len member.
Use __small_sprintf to create full object path name. Special case
semaphores.
(ipc_cond_init): Drop superfluous strcpy.
(class ipc_flock): New class to simplify file locking in subsequent
code.
(struct mq_hdr): Raise size of mqh_uname to allow adding a unique
LUID to the name.
(mq_open): Fix formatting. Create unique synchronization object names
using AllocateLocallyUniqueId.
(struct sem_finfo): New structure defining named semaphore file content.
(sem_open): Move here. Rework implementation to allow kernel
persistent implementation of POSIX named semaphores.
(_sem_close): Implement sem_close.
(sem_close): Move here. Just call _sem_close with do_close parameter
set to true.
(sem_unlink): New function.
* pthread.cc (mangle_sem_name): Remove.
(sem_open): Move to posix_ipc.cc.
(sem_close): Ditto.
* syscalls.cc (close_all_files): Call semaphore::terminate here.
* thread.cc: Fix formatting. Rearrange semaphore functions so that
they are close together.
(semaphore::semaphore): Rework to play nicely with new named semaphore
implementation.
(semaphore::_terminate): Call _sem_close if semaphore is a named
semaphore.
(semaphore::destroy): Don't destroy named semaphores. Return EINVAL
instead.
(semaphore::close): Only destroy named semaphores. Return EINVAL
otherwise.
(semaphore::open): Rework to play nicely with new named semaphore
implementation. Loop through existing semaphores to be able to
return same sem_t pointer as a former call on the same named semaphore.
(semaphore::getinternal): New function called from _sem_close.
* thread.h (class List): Make mx and head public.
(class semaphore): Fix formatting. Align method declarations with
implementation in thread.cc. Add members used for named semaphores.
(semaphore::terminate): New static method.
* include/semaphore.h: Redefine SEM_FAILED. Fix formatting.
(sem_unlink): Add declaration.
* include/cygwin/version.h: Bump API minor number.
(shm_unlink): Export.
* syscalls.cc (shm_open): New function.
(shm_unlink): New function.
* sysconf.cc (sca): Set value of _SC_SHARED_MEMORY_OBJECTS to
_POSIX_SHARED_MEMORY_OBJECTS.
* include/cygwin/version.h: Bump API minor number.
* include/sys/mman.h (shm_open): Add prototype.
(shm_unlink): Ditto.
to debug output.
* syscalls.cc (try_to_bin): Enable code to move file to user specific
recycler dir to eliminate Vista problem.
(unlink_nt): Add comment that rename after opening for delete on close
only fails on XP.
on NT by calling unlink_nt. Check for directory here.
* syscalls.cc (try_to_bin): Fix buggy debug_printf statement.
(unlink_nt): Make non-static. Don't use delete-on-close semantics on
directoires. Explain why.
impersonation token, which collides with Vista UAC.
* cygheap.h (deimpersonate): revert to self instead of impersonating
hProcImpToken.
(reimpersonate): Only impersonate if setuid.
* dcrt0.cc (dll_crt0_0): Don't initialize hProcImpToken here.
(dll_crt0_1): Set privileges on hProcToken.
* fork.cc (frok::child): Set privileges on hProcToken. Close handle to
hProcImpToken.
* grp.cc (internal_getgroups): Use hProcToken instead of hProcImpToken.
* security.cc (check_access): Create hProcImpToken on demand here.
* security.h (set_process_privilege): Set privileges on hProcToken.
(_push_thread_privilege): Use hProcToken instead of hProcImpToken.
(pop_thread_privilege): If not setuid'ed, revert to self.
* syscalls.cc (setegid32): Drop setting primary group on hProcImpToken.
Close handle to hProcImpToken.
* uinfo.cc (internal_getlogin): Ditto.
* winsup.h (clear_procimptoken): New inline function.
(child_info_spawn::__stdin): Ditto.
(CURR_CHILD_INFO_MAGIC): Regenerate.
* dcrt0.cc (check_sanity_and_sync): Minor cleanup.
(child_info_spawn::handle_spawn): Handle new __std* elements by calling
move_fd.
* dtable.cc (dtable::move_fd): Define new function.
* dtable.h (dtable::move_fd): Declare new function.
* fhandler.h (fhandler_pipe::popen_pid): Declare new element.
* fhandler.h (fhandler_pipe::get_popen_pid): Define new function.
* fhandler.h (fhandler_pipe::set_popen_pid): Ditto.
* pipe.cc (fhandler_pipe::fhandler_pipe): Zero popen_pid.
(fhandler_pipe::dup): Ditto.
* spawn.cc (handle): Change second argument to bool.
(spawn_guts): Accept __stdin/__stdout arguments and set them appropriately in
child_info structure and in STARTUPINFO structure.
* syscalls.cc (popen): New cygwin-specific implementation using spawn.
(pclose): Ditto.
* winsup.h (spawn_guts): Accommodate new arguments for spawn_guts.
* fhandler.cc (fhandler_base::set_no_inheritance): Make second arg a bool.
* fhandler.h (fhandler_base::set_no_inheritance): Ditto for declaration.
* child_info.h (child_info::msv_count): Rename from the now-inappropriate
"zero".
(child_info_spawn::filler): Add filler to work around Vista bug.
(child_info_fork::filler): Ditto.
* dcrt0.cc (get_cygwin_startup_info): Remove "zero" check since it is now
always filled out.
* fork.cc (frok::parent): Move ch.zero manipulation to constructor.
* spawn.cc (spawn_guts): Ditto. Remove _ch wrapper.
* sigproc.cc (child_info::child_info): Initialize starter[].
* shared.cc (shared_info::heap_slop_size): Remove noisy system_printfs.
* shared_info.h (CURR_SHARED_MAGIC): Regenerate.
* 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.
(struct _FILE_DISPOSITION_INFORMATION): Define.
* syscalls.cc (unlink_9x): new function to delete file on 9x.
* syscalls.cc (unlink_nt): new function to delete file on NT.
(unlink): Simplify. Move OS dependent stuff into aforementioned
functions. Also handle FILE_ATTRIBUTE_HIDDEN as R/O-like flag.
* 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.
* 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.
* 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.
(child_info::retry): Move here from fork subclass.
(child_info::exit_code): New field.
(child_info::retry_count): Max retry count for process start.
(child_info::proc_retry): Declare new function.
(child_info_fork::retry): Move to parent.
(child_info_fork::fork_retry): Ditto.
* dcrt0.cc (child_info::fork_retry): Rename and move.
(child_info_fork::handle_failure): Move.
(dll_crt0_0): Initialize console handler based on whether we have a controlling
tty or not. Avoid nonsensical check for fork where it can never occur.
* environ.cc (set_proc_retry): Rename from set_fork_retry. Set retry_count in
child_info.
(parse_thing): Reflect above change.
* exceptions.cc (dummy_ctrl_c_handler): Remove unused variable name.
(ctrl_c_handler): Always return TRUE for the annoying CTRL_LOGOFF_EVENT.
* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Remove call to
init_console_handler.
* fhandler_tty.cc (fhandler_tty_slave::open): Just call mange_console_count
here and let it decide what to do with initializing console control handling.
* fork.cc (fork_retry): Remove definition.
(frok::parent): Define static errbuf and use in error messages (not thread safe
yet). Close pi.hThread as soon as possible. Protect pi.hProcess as soon as
possible. Don't set retry_count. That happens automatically in the
constructor now. Accommodate name change from fork_retry to proc_retry.
* init.cc (dll_entry): Turn off ctrl-c handling early until we know how it is
supposed to be handled.
* pinfo.cc (_pinfo::dup_proc_pipe): Remember original proc pipe value for
failure error message. Tweak debug message slightly.
* sigproc.cc (child_info::retry_count): Define.
(child_info::child_info): Initialize retry count.
(child_info::sync): Set exit code if process dies before synchronization.
(child_info::proc_retry): Rename from child_info_fork::fork_retry. Use
previously derived exit code. Be more defensive about what is classified as an
error exit.
(child_info_fork::handle_failure): Move here from dcrt0.cc.
* spawn.cc (spawn_guts): Maintain error mode when starting new process to avoid
annoying pop ups. Move deimpersonate call within new loop. Move envblock
freeing to end. Loop if process dies prematurely with bad exit code.
* syscalls.cc (init_console_handler): Remove hopefully unneeded call to
init_console_handler.
* dll_init.cc (cygwin_detach_dll): Use new tls function to find return address
since this function is now signal guarded.
(update_envptrs): Remove unneeded braces.
* syscalls.cc (statvfs): Coerce full_path to avoid a gcc warning.
* 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.
Corinna Vinschen
Christopher Faylor