after a signal. Add cancelability.
(fhandler_serial::raw_write): Wait for write to succeed if O_NONBLOCK
is not set. Add signal handling and cancelability.
* fhandler_socket.cc (fhandler_socket::connect): Ditto.
(fhandler_socket::accept4): Ditto.
(fhandler_socket::recvfrom): Ditto.
(fhandler_socket::recvmsg): Ditto.
(fhandler_socket::sendto): Ditto.
(fhandler_socket::sendmsg): Ditto.
* flock.cc (lf_setlock): Allow to cancel thread running blocking
file lock. Try to make code more readable.
(lockf): Call pthread_testcancel.
* mmap.cc (msync): Ditto.
* posix_ipc.cc (ipc_cond_timedwait): Call pthread::static_cancel_self
rather than pthread_testcancel.
* select.cc (cygwin_select): Call pthread_testcancel.
* syscalls.cc (pread): Ditto.
(pwrite): Ditto.
(readv): Ditto.
(writev): Ditto.
(open): Ditto.
(close): Ditto.
(fsync): Ditto.
* termios.cc (tcdrain): Ditto.
* thread.cc: Align list of cancellation points with above changes.
Mark not-implemented functions, too.
(cancelable_wait): Don't set unused object indices to WAIT_FAILED
since that could result in wrong behaviour. Set them to the invalid
value WAIT_TIMEOUT + 1 instead.
* thread.cc (pthread::pthread): Initialize canceled to false.
(pthread::cancel): Set canceled before setting cancel_event.
(pthread::testcancel): Check for canceled. Only wait for cancel_event
if canceled is true. Explain why.
(pthread::_fixup_after_fork): Set canceled to false.
* errno.cc (geterrno_from_nt_status): Define.
* flock.cc: Fix copyright dates.
* ntdll.h (enum _TIMER_TYPE): Define.
(PTIMER_APC_ROUTINE): Define.
(NtCancelTimer): Declare.
(NtCreateTimer): Declare.
(NtSetTimer): Declare.
* posix_ipc.cc (ipc_cond_timedwait): Rewrite to make interruptible and
restartable. Call pthread_testcancel in case of timeout to enable
pthread_cancel on waiting thread. Replace WFMO timeout with waiting
for a waitable timer. Explain why. Replace single call to WFMO with
two calls, one for the event, one for the mutex. Don't lock mutex in
case of error.
(ipc_cond_signal): Make void function.
(ipc_cond_close): Ditto.
(_mq_send): Immediately return -1 in case of error from
ipc_cond_timedwait.
(_mq_receive): Ditto.
* fhandler_disk_file.cc (fhandler_base::open_fs): Replace call to
AllocateLocallyUniqueId with call to NtAllocateLocallyUniqueId;
* posix_ipc.cc (mq_open): Ditto. Drop error handling for that call.
(sem_open): Ditto.
* ntdll.h (RtlConvertToAutoInheritSecurityObject): Declare.
(RtlDeleteSecurityObject): Declare.
(RtlGetControlSecurityDescriptor): Declare.
(RtlLengthSecurityDescriptor): Declare.
* security.cc (file_mapping): New global variable.
(get_file_sd): Rewrite. Clean up code. Get rid of GetSecurityInfo
call.
(alloc_sd): Call RtlSetControlSecurityDescriptor to set
SE_DACL_PROTECTED flag.
(check_file_access): Remove mapping. Use file_mapping instead.
(check_registry_access): Rename mapping to reg_mapping.
* wincap.cc: Througout, drop use_get_sec_info_on_dirs,
* wincap.h (struct wincaps): Drop use_get_sec_info_on_dirs.
rather than int type. Avoid compiler warning.
(reg_key::set_dword): Rename from set_int, use DWORD rather than int
type. Change return type to NTSTATUS.
(reg_key::get_string): Change return type to NTSTATUS.
(reg_key::set_string): Ditto.
* registry.h: Accommodate above changes.
* environ.cc (regopt): Test return value of reg_key::get_string as
NTSTATUS.
* sched.cc (sched_rr_get_interval): Change local int vars to DWORD.
Call reg_key::get_dword instead of reg_key::get_int.
* shared.cc (init_installation_root): Test return value of
reg_key::get_string as NTSTATUS.
(shared_info::heap_slop_size): Call reg_key::get_dword rather than
reg_key::get_int.
(shared_info::heap_chunk_size): Ditto.
* shared_info.h (CURR_SHARED_MAGIC): Update.
(class shared_info): Change heap_chunk and heap_slop to DWORD values.
* cygtls.cc (_cygtls::remove): Always free mallocated TLS storage on
thread exit. Drop freeing locals.process_ident.
* cygtls.h (struct _local_storage): Remove syslog-related members.
* syslog.cc (syslog_globals): New static storage for global syslog
settings. Use throughout instead of _my_tls.locals.
(openlog): Set new syslog_globals.process_ident value more carefully.
* tlsoffsets.h: Regenerate.
don't use archetypes and this will just result in double frees.
* dll_init.cc (dll_list::protect): Define.
(dll_list::alloc): Guard list access.
(dll_list::detach): Ditto.
* dll_init.h (dll_list::protect): Declare new muto.
(dll_list::guard): Define/declare function to guard list access.
* fhandler_termios.cc (fhandler_termios::sigflush): Avoid SEGV in pathological
condition of get_ttyp() == NULL.
* thread.cc (semaphore::init): We cannot reliably infer anything from
the existing contents of sem, so merely warn rather than return EBUSY
if it looks like we are reinitialising a semaphore.
* autoload.cc: Enable autoloading advapi32 functions.
* environ.cc (regopt): Use wide char arguments in reg_key functions.
* fhandler_console.cc (beep): Ditto. Use WCHAR throughout.
* registry.cc (reg_key): Rewrite reg_key class to use native NT registry
functions. Use WCHAR string parameters throughout. Use PCWSTR rather
than const WCHAR. Drop multibyte char functionality. Drop unused
methods.
(get_registry_hive_path): Use RtlQueryRegistryValues to fetch path from
registry.
(load_registry_hive): Drop useless check for user hive being available.
Load hive using NtLoadKey.
* registry.h: Accommodate above changes.
* sched.cc (sched_rr_get_interval): Use wide char arguments in reg_key
functions.
* shared.cc (init_installation_root): Ditto.
(shared_info::init_obcaseinsensitive): Use RtlQueryRegistryValues to
fetch obcaseinsensitive value.
(shared_info::heap_slop_size): Use wide char arguments in reg_key
functions.
(shared_info::heap_chunk_size): Ditto.
* syscalls.cc (gethostid): Ditto.
* winsup.h (__WIDE): Define.
(_WIDE): Define.
* libc/minires-os-if.c (get_registry_dns_items): Don't fetch values
from registry. Just extract them from given UNICODE_STRING parameter.
(get_registry_dns): Fetch all registry values at once using
RtlQueryRegistryValues.
(print): Simplify.
(format_proc_cpuinfo): Drop useless call to GetSystemInfo. Rearrange
to use Rtl registry functions. Rename dwOldThreadAffinityMask to
orig_affinity_mask.
FD_CLOSE event specially when called from accept. Explain why.
(fhandler_socket::shutdown): Fake success on not-connected socket and
trigger socket event if the read side of a socket is affected. Explain
why.
* poll.cc (poll): Check for saw_shutdown_read on sockets to generate
POLLHUP as well.
the fun.
* dtable.cc (dtable::stdio_init): Remove special-case call to set_console_ctty
().
* exceptions.cc (sigpacket::process): Conditionally flush terminal input on
certain signals.
* fhandler.h (fhandler_console::get_tty_stuff): Make non-static.
(fhandler_termios::get_ttyp): Move here.
(fhandler_termios::sigflush): Declare.
(fhandler_tty_common::get_ttyp): Delete.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Pass this as "arch"
argument.
(set_console_ctty): Delete.
(tty_list::get_tty): Just return pointer to shared console region, delaying
get_tty_stuff until open().
(fhandler_console::init): Treat NULL handle as signifying that console should
be opened with O_NOCTTY flag. Rename handle argument to the more common 'h'.
* fhandler_termios.cc (fhandler_termios::sigflush): Define.
* fhandler_tty.cc (handler_tty_master::init_console): Pass NULL as first
argument to fhandler_console::init.
* pinfo.cc (_pinfo::set_ctty): Change third parameter to fhandler_termios *.
Add extra debugging.
* pinfo.h (_pinfo::set_ctty): Change third parameter to fhandler_termios *.
* sigproc.cc (handle_sigsuspend): Don't special-case non-main threads.
(load_after_fork): If the DLL was loaded higher than the required address,
assume that it loaded at it's base address and also reserve memory there to
force it to be relocated.
end of header so that it gets the dev_t typedef.
* include/sys/sysmacros.h (gnu_dev_major, gnu_dev_minor,
gnu_dev_makedev): Prototype and define as inline functions.
(major, minor, makedev): Redefine in terms of gnu_dev_*.
* external.cc (cygwin_internal): In the CW_SET_PRIV_KEY case, fetch
additional username parameter.
* setlsapwd.cc (setlsapwd): Add username parameter. Allow admin to
set the hidden password for other users.
Use CryptAcquireContextW.
* ntdll.h (STATUS_PROCEDURE_NOT_FOUND): Define.
* sec_auth.cc (open_local_policy): Rename NTSTATUS variable ret to
status. Drop usage of LsaNtStatusToWinError.
(verify_token): Call NtQuerySecurityObject instead of
GetKernelObjectSecurity.
(create_token): Rename NTSTATUS variable ret to status. Rename ret2 to
sub_status. Drop usage of LsaNtStatusToWinError. In case LsaLogonUser
fails, report the sub_status as well.
from Windows environment instead. Explain why.
(cygheap_user::env_domain): Use MAX_DOMAIN_NAME_LEN rather than DNLEN
to specify the size of the domain name buffer.
* times.cc: Ditto.
localtime, gmtime).
(FACTOR): Add comment.
(NSPERSEC): Ditto.
(JITTER): New definition. Comment.
(systime_ns): Avoid gratuitous copying of the value returned by
GetSystemTimeAsFileTime.
(corelocaltime, localtime, gmtime): Remove very old, unused code block.
(cygwin_tzset): Remove.
(hires_ms::timeGetTime_ns): Add missing semicolon in comment.
(hires_ms::nsecs): Redefine check for difference between internal
timer value and system time.
* autoload.cc (GetUdpTable): Define.
* syslog.cc (connect_syslogd): Use get_inet_addr rather than _stat64
to check for local socket file. Create socket with type returned by
get_inet_addr. If connect on UDP socket works, test if there's
really a listening peer, otherwise fall back to Windows event log.
(try_connect_syslogd): Use syslogd_inited flag to check if syslogd
is available.
(UuidCreateSequential): Remove.
* passwd.cc (internal_getpwsid): Avoid a strict-aliasing compiler
error with gcc 4.5.1.
* fhandler_floppy.cc (fhandler_dev_floppy::get_drive_info): Ditto.
* ntdll.h (NtAllocateUuids): Declare.
* syscalls.cc (gethostid): Use NtAllocateUuids function rather than
UuidCreateSequential/UuidCreate to get rid of rpcrt4 dependency.
unloadable wave functions as fatal.
* hires.h (hires_ms::timeGetTime_ns): New private method.
(hires_ms::dmsecs): Call timeGetTime_ns here.
* ntdll.h (struct _KSYSTEM_TIME): Define.
(KUSER_SHARED_DATA): Redefine to allow access to InterruptTime.
(SharedUserData): Define here.
(NtQueryTimerResolution): Declare.
(NtSetTimerResolution): Declare.
* path.cc (SharedUserData): Move to ntdll.h.
* times.cc (hires_ms::timeGetTime_ns): New private method.
Use throughout instead of timeGetTime. Document entire functionality
of timeGetTime in case we need it.
(hires_ms::resolution): Try a call to NtQueryTimerResolution
to fetch current period. Fall back to heuristic if that fails.
Cast to DWORD in assignments to minperiod.
(clock_setres): Align period to possible values per a call to
NtQueryTimerResolution. Explain why. Replace calls to timeBeginPeriod
and timeEndPeriod with underlying call to NtSetTimerResolution. Use
status code from NtSetTimerResolution to compute errno.
Convert period to ULONGLONG and store 100ns value to simplify code.
as pointer.
(mmap_record::alloc_page_map): Remove.
(mmap_record::free_page_map): Remove.
(mmap_record::init_page_map): New method.
(mmap_record::add_record): Take mmap_record parameter by reference
rather than by value.
(mmap_record::map_pages): Fix comment.
(mmap_list::add_record): Allocate space for mmap_record including the
page_map in a single ccalloc call. Call init_page_map afterwards.
(mmap_list::del_record): Remove call to mmap_record::free_page_map.
Christopher Faylor
Corinna Vinschen
Jon TURNEY
Yaakov Selkowitz