CW_SET_EXTERNAL_TOKEN.
Add new enum CW_TOKEN_IMPERSONATION, CW_TOKEN_RESTRICTED.
* cygheap.h (cyguser): New flags ext_token_is_restricted,
curr_token_is_restricted and setuid_to_restricted.
* external.cc (cygwin_internal): Add CW_SET_EXTERNAL_TOKEN.
* sec_auth.cc (set_imp_token): New function.
(cygwin_set_impersonation_token): Call set_imp_token ().
* security.h (set_imp_token): New prototype.
* spawn.cc (spawn_guts): Use CreateProcessAsUserW if restricted token
was enabled by setuid(). Do not create new window station in this case.
* syscalls.cc (seteuid32): Add handling of restricted external tokens.
Set HANDLE_FLAG_INHERIT for primary token.
(setuid32): Set setuid_to_restricted flag.
* uinfo.cc (uinfo_init): Do not reimpersonate if restricted token was
enabled by setuid (). Initialize user.*_restricted flags.
* hires.h (hires_ms): Change initime_us to initime_ns, with 10x
more resolution.
(hires_ms::nsecs): New prototype.
(hires_ms::usecs, hires_ms::msecs, hires_ms::uptime): Adjust.
* times.cc (systime_ns): New helper function.
(hires_ms::prime): Use it for more resolution.
(hires_ms::usecs): Change to...
(hires_ms::nsecs): ...with more resolution.
(clock_gettime): Use more resolution.
(systime): Rewrite in terms of systime_ns.
(timespec_to_filetime): Rewrite math to reflect true operation.
* fhandler_disk_file.cc (utimens_fs): Use higher resolution.
* fhandler_termios.cc (fhandler_termios::tcgetpgrp): Only return
valid pgid if tty is controlling tty. Set errno to ENOTTY and
return -1 otherwise.
(fhandler_pty_master::tcgetpgrp): New function. Return 0 for
master side of pty if it's not the controlling tty of the process.
call initial_setlocale from here.
* syscalls.cc (initial_setlocale): Set internal charset and revert
application locale to "C".
(setlocale): Don't set Cygwin's internal charset here.
str_to_con.
* fhandler_console.cc (dev_console::con_to_str): Simplify. Always
default to the current internal locale.
(dev_console::get_console_cp): Always use codepage 437 for alternate
charset.
(dev_console::str_to_con): Constify charset parameter.
(fhandler_console::write_normal): Always use codepage 437 for alternate
charset. Otherwise always default to the current internal locale.
Replace ASCII SO with ASCII CAN.
* strfuncs.cc: Tweka comments according to below changes.
(sys_cp_wcstombs): Constify charset parameter. Convert all wchar_t
values in the Unicode private use area U+F0xx to the singlebyte
counterpart. Drop special handling creating ASCII SO sequence from
U+DCxx value. Rearrange for performance. Replace ASCII SO with
ASCII CAN.
(sys_cp_mbstowcs): Constify charset parameter. Replace ASCII SO with
ASCII CAN. Drop special case for U+DCxx ASCII SO sequences. Always
create a replacement from the Unicode private use area U+F0xx for
invalid byte values in a multibyte sequence. Do the same for wchar_t
values from the U+F0xx range to make them roundtrip safe.
* wchar.h (sys_cp_wcstombs): Constify charset parameter.
(sys_cp_mbstowcs): Ditto.
* dcrt0.cc (dll_crt0_1): Call setlocale (LC_CTYPE, "") here, just
before resetting application locale to "C".
* environ.cc (environ_init): Drop code setting locale here.
* syscalls.cc (check_codepage): Break out check for required codepage
from internal_setlocale.
(internal_setlocale): Just convert CWD and $PATH from old charset to
new charset and set internal charset.
(setlocale): Change accordingly. Don't require LC_ALL or LC_CTYPE to
store old locale value. Always call internal_setlocale if charset
changed due to locale environment changes.
second halves to unambiguous ASCII SO sequence. When converting
chars invalid in current codepage to ASCII SO sequence, make
sure to check for surrogate pair second half only if ct least
one wide characters is left. Decrement nwc if valid second half has
been converted.
(sys_cp_mbstowcs): Improve ASCII SO handling. Never break from loop
if invalid character has been found. Recognize ASCII SO sequence
representing originally invalid mulitbyte char converted into a
lone surrogate pair second half. Convert accordingly.
returning pointer to posix path.
(cwdstuff::reset_posix): Convert to non-inline method taking a wchar_t
pointer.
* path.cc (cwdstuff::set): Revert change from 2009-05-13. Set posix
to valid incoming path again.
(cwdstuff::reset_posix): New implementation setting posix path from
incoming wchar_t path. Explain usage.
(cwdstuff::get_posix): Drop implementation.
(cwdstuff::get): Drop special case to handle empty posix path.
* syscalls.cc (internal_setlocale): Store old posix cwd as wide char
path. Restore posix cwd using new charset. Explain why.
function to zero to avoid transferring to incorrect location.
(_cygtls::call_signal_handler): Don't transfer to handler if there is no
handler to transfer to.
* path.cc (symlink_info::check_reparse_point): Return -1 for volume
mount points. Explain why.
(symlink_info::check): Call fs.update again for volume mount points.
Explain why.
(run_dtors): New wrapper function which avoids calling dtors more than once.
* dll_init.cc (dll_global_dtors): Use dll.run_dtors wrapper.
(dll_list::detach): Ditto.
(dll_list::alloc): Set has_dtors flag.
whether set_name should be called or not.
(dtable::dup_worker): Call build_fh_pc with new second parameter set
to false. Explain why. If fhandler's dup failed, delete rather than
cfree newfh and set newfh to NULL to indicate failure correctly.
* dtable.h (build_fh_pc): Change declaration according to above change.
Default set_name parameter to true.
* mmap.cc (mmap_record::free_fh): Delete rather than cfree fh.
ill-advised attempt to optimize "." and ".." handling by checking for
specific position in directory listing. Explain why.
(fhandler_disk_file.cc (fhandler_disk_file::readdir): Ditto.
Special-case opening file on NFS to fetch inode number and add longish
comment to explain why.
AF_LOCAL sockets.
(fhandler_socket::getpeername): Ditto.
* net.cc (socketpair): Don't set sun_path and peer_sun_path to
make sure getsockname and getpeername return the correct values
for AF_LOCAL sockets.
then constant size. Truncate returned data, but return full address
length as per POSIX.
(fhandler_socket::getsockname): Truncate returned data, but return full
address length as per POSIX.
(fhandler_socket::getpeername): Ditto.
(fhandler_socket::set_peer_sun_path): New method.
(fhandler_socket::get_peer_sun_path): New method.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
peer_sun_path to NULL.
(fhandler_socket::~fhandler_socket): Free peer_sun_path if necessary.
(fhandler_socket::dup): Duplicate peer_sun_path.
(fhandler_socket::accept): Ditto. Return fake unbound peer content
and len in case of AF_LOCAL sockets.
(fhandler_socket::getsockname): Always use local sockaddr_storage to
store socket address and copy over to incoming address. Handle every
namelen correctly per POSIX.
(fhandler_socket::getpeername): Ditto. Add code path to return
correct value for AF_LOCAL sockets.
(fhandler_socket::set_peer_sun_path): New method.
* net.cc (socketpair): Set peer_sun_path to empty string, just like
sun_path.
the native NT socket device.
(dtable::init_std_file_from_handle): Remove unused tmp_pathbuf
variable. Move check for sockets into FILE_TYPE_PIPE clause.
Rely on handle_to_fn having recognized socket, or check if
getsockopt works to accommodate NT4 shortcoming.
(handle_to_fn): Use tmp_pathbuf for OBJECT_NAME_INFORMATION
buffer and simplify code due to that. Check name returned by
NtQueryObject for socket device.
* debug.cc (lock_debug::acquired): Delete.
(lock_debug::lock_debug): Simplify.
(lock_debug::unlock): Ditto.
(find_handle): Don't set endh here.
(add_handle): Add new handle to beginning of the list rather than trying to
maintain an end list pointer.
(delete_handle): Minor optimization.
(mark_closed): Make logic clearer.
(verify_handle): Lock handle list before scanning.
(setclexec): Ditto.
(modify_handle): Ditto.
(newh): Don't lock handle list here. Assume caller did this.
(mark_closed): Ditto.
(close_handle): Remove unneeded #if.
* dtable.cc (dtable::dup2): Tweak debug output.
the length exceeds it.
* net.cc (fdsock): Use 65535 as window size, just like the comment says or we
run into problems with DuplicateHandle.
* path.cc (patch_conv::check): Use set_path to set invalid filename.
* path.h (path_conv::path_conv): Ditto.
(pdrive_buf): New place to hold information about cygdrive.
* fhandler_disk_file.cc (fhandler_cygdrive::set_drives): Store drive info in
pdrive_buf since get_win32_name() could now be too small to hold everything.
(fhandler_cygdrive::rewinddir): Reset pdrive to pdrive_buf.
(fhandler_cygdrive::closedir): Ditto.
* pipe.cc (fhandler_pipe::init): Be more defensive when referencing
get_win32_name(). Rework logic which made a copy of the POSIX path and then
never used it.
* cygheap.h: Remove stuff now included in cygheap_malloc.h and include that
file. Make cygheap_init a standard c++ function. Remove unneeded child_info
declaration.
* path.h: Include cygheap_malloc.h. Remove extra cstrdup declaration.
(path_conv): Reorganize to group variables together.
(path_conv::path): Make const char *.
(path_conv::known_suffix): Ditto.
(path_conv::normalized_path): Ditto.
(path_conv::path_conv): Reorganize initializers to reflect new element
ordering.
(path_conv::get_win32): Change return value to const char *.
(path_conv::set_path): Move back here from spawn.cc.
(parh_conv::modifiable_path): New function.
* path.cc (path_conv::add_ext_from_sym): Accommodate const'ness of
known_suffixes.
(path_conv::set_normalized_path): Ditto for normalized_path.
(path_conv::check): Use modifiable_path whereever we need to modify the path
element. Use set_path to set the path.
(path_conv::~path_conv): Accommodate new const'ness.
* spawn.cc (perhaps_suffix): Declare ext as const since that's what is being
returned.
(path_conv::set_path): Move back to path.h.
* winf.f (linebuf): Perform minor cleanup.
(linebuf::fromargv): Change second parameter to const.
* winf.cc (linebuf::fromargv): Ditto.
* dcrt0.cc (__main): Schedule dll_global_dtors to run
atexit before global dtors.
(do_exit): Delete test for ES_GLOBAL_DTORS and call to
dll_global_dtors.
Initialize to NULL in constructors. Drop normalized_path_size member.
(path_conv::size): Remove.
(path_conv::operator =): Always copy with sizeof path_conv. Always
duplicate path on cygheap.
(path_conv::set_path): Move implementation to spawn.cc.
* path.cc (path_conv::set_normalized_path): Always allocate
normalized_path on cygheap.
(path_conv::check): Don't work on path, rather allocate THIS_path in
TLS and use it throughout. When finished, allocate path on cygheap
and copy over. Defer tacking on extension after having copied path.
* spawn.cc (path_conv::set_path): Implement here.
(IMPLEMENT_FS_FLAG): New define.
(class fs_info): Convert filesystem type status flags into an enum
fs_info_type. Add cifs FS. Revert change to has_buggy_open and
has_buggy_fileid_dirinfo. Make them normal; status flags again.
Implement is_FS functions using IMPLEMENT_FS_FLAG.
* mount.cc (fs_info::update): Define MINIMAL_WIN_NTFS_FLAGS and
FS_IS_WINDOWS_NTFS. Add comment. Only test remote filesystems
for "NTFS" once. Add is_cifs check using FS_IS_WINDOWS_NTFS.
Set has_buggy_open flag for SUNWNFS. Set has_buggy_fileid_dirinfo
flag for UNIXFS and all cifs type filesystems. Only check for
caseinsensitivity once.
(fillout_mntent): Create locale fs_names array. Use for setting
_my_tls.locals.mnt_type.
* sigproc.cc (wait_for_sigthread): Ditto. Don't synchronize with wait_sig
after receiving an event that it is ready to go.
(init_sig_pipe): New function.
(wait_sig): Call init_sig_pipe to create pipes for communicating signals to
this process. Don't send sigCONT signal when initializing.
* fork.cc (frok::child): Accommodate wait_for_sigpipe parameter change.
* fhandler.h (fhandler_*::write): Make ssize_t/__stdcall.
(fhandler_*::write_overlapped): Ditto.
(fhandler_*::raw_write): Ditto.
(fhandler_*::readv): Ditto.
(fhandler_*::writev): Ditto.
(fhandler_*::raw_read): Make __stdcall.
* fhandler: Accommodate changes to read/write functions throughout.
* fhandler_clipboard.cc: Ditto.
* fhandler_console.cc: Ditto.
* fhandler_dsp.cc: Ditto.
* fhandler_fifo.cc: Ditto.
* fhandler_mailslot.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_random.cc: Ditto.
* fhandler_tape.cc: Ditto.
* fhandler_tty.cc: Ditto.
* fhandler_virtual.cc: Ditto.
* fhandler_windows.cc: Ditto.
* fhandler_zero.cc: Ditto.
* syscalls.cc (readv): Use ssize_t as temp variable.
* fhandler.cc (fhandler_base::read): Coerce returned len to signed or it will
never be treated as < 0.
(fhandler_base::wait_overlapped): Minimize calls to GetLastError. Remove
duplicate debugging test. Fix error return.
* fhandler.h (fhandler_fifo::fifo_name): Declare new function.
(fhandler_fifo::close): Ditto.
(fhandler_fifo::dup): Ditto.
(fhandler_fifo::close_on_exec): Ditto.
* fhandler.cc (fhandler_fifo::fifo_name): Define new function.
(FIFO_BUF_SIZE): New define.
(cnp): Ditto.
(fhandler_fifo::open): Rework. Use cnp to open named pipe. Always open write
side as a client. Open dummy client when writing and can't connect.
(wait): Rework. Implement fifo_wait_for_next_client. Handle signals during
connect better. Add new fifo_wait_for_server code which polls
(sigh) waiting for server.
(fhandler_fifo::raw_read): Handle transition states when one client closes and
another is available.
(fhandler_fifo::close): Define.
(fhandler_fifo::dup): Ditto.
(fhandler_fifo::close_on_exec): Ditto.
(fs_info::clear): Clear fsn.
(fs_info::fsname): New read accessor for fsn.
* mount.cc (fs_info::update): Fill in fsn member with lowercased
filesystem name if filesystem is not well-known. Fall back to
"unknown" if filesystem name is missing.
(fillout_mntent): Print filesystem name retrieved in fs_info::update
rather than static string "unknown".
(fhandler_base::del_my_locks): Declare taking a del_lock_called_from
as argument.
* fhandler.cc (fhandler_base::close): Call del_my_locks with "on_close".
(fhandler_base::fixup_after_fork): Call del_my_locks with "after_fork".
(fhandler_base::fixup_after_exec): Call del_my_locks with "after_exec".
* flock.cc (fhandler_base::del_my_locks): Take del_lock_called_from
as argument. Call node->del_my_locks with NULL handle in after_exec
case. Explain why.
for MVFS. Explain why.
(fhandler_disk_file::utimens): Drop local variables lastaccess and
lastwrite. Copy timestamps right into FILE_BASIC_INFORMATION structure
to avoid copying them twice.
* wincap.cc: Implement above element throughout.
* wchar.h (__sjis_mbtowc): Declare.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): Ditto.
(__kr_mbtowc): Ditto.
(__big5_mbtowc): Ditto.
* syscalls.cc (internal_setlocale): Convert to char * function.
Return parameter by default. Return NULL if request to use a
charset can't be satisfied due to missing codepage support in the
underlying OS. Fix comment.
(setlocale): Store original locale. Restore to original locale if
internal_setlocale returns NULL.
* mount.h (fs_info::sttaus): Move filesystem type flags into
substructure. Add union to allow simple test for having set any
one filesystem type flag. Replace has_buggy_open flag with is_sunwnfs
flag. Replace has_buggy_fileid_dirinfo with is_unixfs flag.
(fs_info::got_fs): New private method.
(fs_info::has_buggy_open): New explicit implementation.
(fs_info::has_buggy_fileid_dirinfo): Ditto.
* mount.cc (fs_info::update): Optimize filesystem checks for speed.
* winsup.h (IMPLEMENT_STATUS_FLAG): Change write accessor to return
value just set.
* ntdll.h (PROCESSINFOCLASS): Remove unneeded trailing comma.
* pinfo.cc (_pinfo::dup_proc_pipe): Remove unneeded assignment.
* sigproc.cc (sig_send): Don't send signal to myself if this is an exec stub.
* Makefile.common (COMPILE_CXX): Add support for per-file overrides
to exclude $(nostdinc) and $(nostdincxx) from compiler flags.
(COMPILE_CC): Likewise for $(nostdinc).
winsup/cygwin/ChangeLog:
* Makefile.in (DLL_OFILES): Add libstdcxx_wrapper.o
(libstdcxx_wrapper_CFLAGS): Add flags for new module.
(_cygwin_crt0_common_STDINCFLAGS): Define per-file override.
(libstdcxx_wrapper_STDINCFLAGS, cxx_STDINCFLAGS): Likewise.
* cxx.cc: Include "cygwin-cxx.h".
(operator new): Tweak prototype for full standards compliance.
(operator new[]): Likewise.
(operator new (nothrow)): New fallback function.
(operator new[] (nothrow), operator delete (nothrow),
operator delete[] (nothrow)): Likewise.
(default_cygwin_cxx_malloc): New struct of pointers to the above,
for final last-resort fallback default.
* cygwin-cxx.h: New file.
(struct per_process_cxx_malloc): Define.
(default_cygwin_cxx_malloc): Declare extern.
* cygwin.din (__wrap__ZdaPv): Export new wrapper.
(__wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Likewise.
* globals.cc (__cygwin_user_data): Init newly-repurposed 'forkee'
field (now 'cxx_malloc') to point to default_cygwin_cxx_malloc.
* libstdcxx_wrapper.cc: New file.
(__wrap__ZdaPv, __wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Define wrapper functions for libstdc++
malloc operators and their overrides.
* winsup.h (default_cygwin_cxx_malloc): Declare extern.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* include/sys/cygwin.h (struct per_process_cxx_malloc): Forward
declare here.
(struct per_process::forkee): Rename and repurpose from this ...
(struct per_process::cxx_malloc): ... to this.
* lib/_cygwin_crt0_common.cc: Include cygwin-cxx.h.
(WEAK): Define shorthand helper macro.
(__cygwin_cxx_malloc): Define and populate with weak references
to whatever libstdc++ malloc operators will be visible at final
link time for Cygwin apps and dlls.
(_cygwin_crt0_common): Always look up cygwin DLL's internal
per_process data, and don't test for (impossible) failure. Inherit
any members of __cygwin_cxx_malloc that we don't have overrides
for from the DLL's default and store the resulting overall set of
overrides back into the DLL's global per_process data.
memory used by socket select functions. Combine them into a single
struct select.
* cygtls.cc: Accommodate above change throughout.
(_cygtls::init_thread): Drop initalizing of sockevt to
INVALID_HANDLE_VALUE.
(_cygtls::fixup_after_fork): Reset sockevt to NULL.
(_cygtls::remove): Don't use sockevt value to bail out prematurely.
Set sockevt to NULL. Free malloced select members.
* select.h (struct select_socket_info): Drop max_w4 member.
* select.cc (thread_socket): Use INFINITE timeout value if number of
objects to wait for is <= MAXIMUM_WAIT_OBJECTS. Use num_w4 member
of select_socket_info struct rather than dropped max_w4.
(init_tls_select_info): New inline function to initialize TLS select
members.
(start_thread_socket): Just call init_tls_select_info to initialize TLS
select members and use them later on.
(socket_cleanup): Don't free select_socket_info pointer members since
they are thread local now.
* 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.
(initial_env): Set jit_debug when we are automatically starting a gdb process.
* dtable.cc (dtable::get_debugger_info): Don't tty tricks when we are being
debugged by our own captive gdb, as determined by jit_debug == true.
(dtable::init_std_file_from_handle): Detect errors when initializing a tty
early rather than at random points later.
* fhandler.h (fhandler_*::init): Return int to indicate success/failure.
* fhandler.cc (fhandler_base::init): Reflect change in return value.
* pipe.cc (fhandler_pipe::init): Ditto.
(fhandler_pipe::create_selectable): Don't say we're retrying when we aren't.
* fhandler_console.cc (fhandler_console::init): Ditto. Return success/failure.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
(fhandler_tty_slave::open): Make debugging output more detailed.
* tty.cc (tty_list::terminate): Don't close I/O handles before all slaves have
checked in.
(tty::slave_alive): Make a non-inlined function. Check if tty pipe handles can
be created as an additional exists check.
* tty.h (tty::slave_alive): Just define here.
to store and retrieve the SO_RCVBUF and SO_SNDBUF sizes.
* fhandler_socket.cc (fhandler_socket::dup): Duplicate new members.
(fhandler_socket::send_internal): Check for SO_SNDBUF size and
restrict send to 1 byte less per KB 823764. Leave loop immediately
if WSASendMsg has been used.
* net.cc (fdsock): Change comment again. Set buffer sizes to 65536.
Store values in fhandler_socket.
(cygwin_setsockopt): Store SO_RCVBUF and SO_SNDBUF sizes in
fhandler_socket.
(cygwin_sendto): Drop call to sig_dispatch_pending.
(cygwin_recvfrom): Ditto.
(cygwin_recvmsg): Ditto.
(cygwin_sendmsg): Ditto.
(select_record::select_record): Define do-nothing constructor for "new" to
avoid gratuitous zeroing.
(select_info): New base class.
(select_pipe_info): New class with methods for dealing with pipes.
(select_socket_info): New class with methods for dealing with sockets.
(select_serial_info): Dummy class for serial.
(select_mailslot_info): Dummy class for mailslots.
(select_stuff): Define device_specific_* as actual classes rather than void *.
* dtable.h (dtable::select_read): Accommodate return value change to 'bool' and
argument change to "select_stuff".
(dtable::select_write): Ditto.
(dtable::select_except): Ditto.
* dtable.cc (dtable::select_read): Accommodate return value change to 'bool'
and argument change to "select_stuff".
(dtable::select_write): Ditto.
(dtable::select_except): Ditto.
* fhandler.h: Excise select-related classes.
(fhandler_*::select_read): Change argument to select_stuff.
(fhandler_*::select_write): Ditto.
(fhandler_*::select_except): Ditto.
* select.cc (UNIX_FD_ZERO): Use memset rather than bzero.
(select_stuff::test_and_set): Change return type to bool. Allocate
select_record on entry and let fhandler_*::select_* operate on the start.next
field of select_stuff.
(pipeinf): Delete.
(select_pipe_info::select_pipe_info): New constructor. Allocates event for
controlling pipe waits.
(select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop
thread.
(select_pipe_info::add_watch_handle): New function.
(thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking.
(start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume
that it has been allocated earlier.
(pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe
paraphenalia.
(fhandler_*::select_*): Derive select_record from new select_stuff argument.
(fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already
allocated.
(serialinf): Delete.
(thread_serial): serialinf -> select_serial_info.
(fhandler_base::ready_for_read): Rewrite to accommodate change in argument to
fhandler_*::select_*.
(socketinf): Delete.
(thread_socket): socketinf -> select_socket_info.
(mailslotinf): Delete.
(thread_mailslot): mailslotinf -> select_mailslot_info.
whether the overlapped event should be tested.
(fhandler_base::read_overlapped): Pass is_overlapped state to has_ongoing_io.
(fhandler_base::write_overlapped): Ditto.
* fhandler.h (fhandler_base::has_ongoing_io): Accommodate argument change.
* select.cc (peek_pipe): Ditto.
* fhandler.cc (fhandler_base::has_ongoing_io): Define new function.
(fhandler_base::read_overlapped): Use has_ongoing_io to avoid writing when
handle has not completed last I/O.
(fhandler_base::write_overlapped): Ditto.
* select.cc (peek_pipe): Be more careful about accessing hEvent field from
get_overlapped().
value.
(get_ipv4fromreg_ipcnt): New static function to fetch number of
configured IPv4 addresses for a given NIC from registry.
(get_ipv4fromreg): New static function to fetch configured IPv4
addresses for a given NIC from registry.
(get_friendlyname): New static function to generate friendly name.
(get_hwaddr): New static function to copy hardware address.
(get_xp_ifs): Restructure slightly. Add code to generate IPv4 entries
entries for interfaces which are disconnected.
* fhandler.cc (fhandler_base::fcntl): Fix comment.
(fhandler_base::wait_overlapped): Accept an optional len parameter. Use the
len parameter when WriteFile fails with ERROR_IO_PENDING. Make debug output
less alarming.
(fhandler_base::write_overlapped): Pass len to wait_overlapped.
* fhandler.h (fhandler_base::wait_overlapped): Add an optional argument
denoting the number of characters intended to be written.
* fhandler_tty.cc (fhandler_pty_master::close): Don't close archetype handles
when cygwin is still initializing since the handles aren't actually opened at
that point.
writes. Don't reset event handle when we see a ERROR_IO_PENDING.
* sigproc.cc (stopped_or_terminated): Use bool constants for consistency.
* wait.cc (wait4): Remove nonsensical comment.
* 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.
(init_cygheap): Inherit locale field via mini_cygheap.
* cygheap.cc (cygheap_at_start): Define new variable.
(cygheap): Initialize as cygheap_at_start so that locale information is always
available.
(cygheap_init): Initialize cygheap iff it is set to cygheap_at_start.
* shared_info.h (memory_init): Accommodate argument change.
* memory.cc (memory_init): Accept an argument indicating whether cygheap should
be initialized or not.
* dcrt0.cc (child_info_fork::handle_fork): Pass false to memory_init().
(child_info_spawn::handle_spawn): Ditto.
(dll_crt0_0): Pass true to memory_init when not forking or execing.
* cygheap.h (cygheap_types::HEAP_2_DLL): New enum.
* dll_init.h (dll): Remove unused namelen field.
(dll_list::load_after_fork): Accommodate change in arguments.
* dll_init.cc (dll_list::alloc): Allocate dll information in the cygwin heap.
(dll_list::detach): Free dll information from the cygwin heap.
(dll_list::load_after_fork): Use dll information in the cygwin heap directly
rather than querying parent.
* fork.cc (frok::first_dll): Delete.
(frok::child): Don't report on first_dll. Don't pass it to load_on_fork.
(frok::parent): Don't set first_dll.
(fork): Ditto.
object. Explain why. Drop call to GetSystemInfo, rather call
getpagesize to get allocation granularity. Only align to allocation
granularity under WOW64. Use roundup2 to align.
(dll_list::detach): Call NtUnmapViewOfSection instead of VirtualFree.
* dll_init.cc: Fix formatting.
(dll_list::alloc): Only allocate as much memory for struct dll as
necessary for given DLL name.
(dll_list::load_after_fork): Only read a single page of parent memory.
Only read more if namelen indicates that it's necessary.
(set_clipboard): Add basic error checking. Set errno here. Per MSDN,
don't call GlobalFree on data block transferred to clipboard.
(fhandler_dev_clipboard::write): Drop setting errno after call to
set_clipboard.
(fhandler_dev_clipboard::read): Add basic error checking. Simplify code.
of the change to sys_cp_mbstowcs from 2009-05-30.
(sys_cp_mbstowcs): Slightly reformat. Fix comment to accommodate
change to sys_cp_wcstombs. Don't write to *ptr if dst is NULL.
* cygheap.h (struct cygheap_locale): New structure.
(struct user_heap_info): Add cygheap_locale member locale.
* dcrt0.cc (dll_crt0_1): Revert to calling _setlocale_r so that only
the applications locale is reverted to "C".
* environ.cc (environ_init): Remove unused got_lc variable.
* fhandler.h (class dev_console): Remove now unsed locale variables.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Remove
setting dev_console's locale members.
(dev_console::con_to_str): Use internal locale settings. Default to
__ascii_wctomb if charset is "ASCII".
(fhandler_console::write_normal): Ditto.
* strfuncs.cc (__ascii_wctomb): Drop declaration.
(__db_wctomb): Use fixed value 2 instead of not
necessarily matching MB_CUR_MAX.
(__eucjp_wctomb): Use 3 instead of MB_CUR_MAX.
(sys_cp_wcstombs): Remove special case for "C" locale.
(sys_wcstombs): Implement here. Use internal locale data stored on
cygheap.
(sys_cp_mbstowcs): Remove special case for "C" locale.
(sys_mbstowcs): Implement here. Use internal locale data stored on
cygheap.
* syscalls.cc (internal_setlocale): New function to set cygheap locale
data and to reset CWD posix path.
(setlocale): Just call internal_setlocale from here if necessary.
* wchar.h (__ascii_wctomb): Declare.
(sys_wcstombs): Don't define inline, just declare.
(sys_mbstowcs): Ditto.
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* mount.cc (mount_info::got_usr_bin): Define.
(mount_info::got_usr_lib): Ditto.
(mount_info::root_idx): Ditto.
(mount_info::create_root_entry): Create root entry as immutable and
flag as automatic.
(mount_info::init): Remove "Huh? No /etc/fstab..." warning.
Unconditionally call from_fstab for user and system tables. Fill in
/usr/bin and /usr/lib if they have not been specified in /etc/fstab.
(oopts): Alphabetize. Add "override" option to allow overriding
immutable mount points.
(mount_info::add_item): Accommodate new MOUNT_IMMUTABLE flag intended
for root mount.
(mount_info::add_item): Detect "/usr/bin", "/usr/lib", and "/" and set
appropriate global state.
(fillout_mntent): Add ,auto to mount points added by Cygwin DLL.
(mount): Remove masking of MOUNT_SYSTEM. Allow user to shoot
themselves. Add comment.
* mount.h (mount_info::got_usr_bin): Declare.
(mount_info::got_usr_lib): Ditto.
(mount_info::root_idx): Ditto.
* include/sys/mount.h: Reformat enum.
Add MOUNT_{OVERRIDE,IMMUTABLE,AUTOMATIC}.
doc ChangeLog
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* pathnames.sgml (mount-table): Sort mount options and add override
option. Add description of root mount handling.
utils ChangeLog
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* mount.cc (oopts): Sort. Add override option. Add dummy "auto"
option for consistency.
(mount_entries): Avoid adding auto-mounted entries to -m output.
* utils.sgml: Sort mount options. Add description of override option.
Windows 7 64 bit issue. Add lengthy comment to explain what happens.
* wincap.h (wincaps::has_console_handle_problem): New element.
* wincap.cc: Implement above element throughout.
(wincap_7): New wincaps structure for NT 6.1 kernels.
(wincapc::init): Set has_console_handle_problem to false for 32 bit
systems.
Fix broken older ChangeLog entry.
* path.cc (str2uni_cat): ...to here. Simplify. Make static inline.
(get_nt_native_path): Use RtlAppendUnicodeToString rather than
str2uni_cat for constant strings for speed.
* security.h (str2uni_cat): Drop declaration.
(fhandler_console::write_replacement_char): Declare as inline.
(fhandler_console::write_console): Declare new function.
* fhandler_console.cc (fhandler_console::MAX_WRITE_CHARS): Define.
(handler_console::write_console): Define.
(fhandler_console::write_replacement_char): Define as inline.
(fhandler_console::write_normal): Use write_console when writing buffers of
unknown length.
wait(), unwait(), and waiting().
(inode_t::inode_t): Initialize i_wait to 0.
(fhandler_disk_file::lock): Only remove node if no other thread is
waiting for a blocking lock.
(lf_setlock): Manipulate node->i_wait to signal that a thread is
waiting for a blocking lock in this node.
(lf_findoverlap): Reinstantiate SELF test as in original code.
local path_conv in favor of getting it as parameter. Add local string
buffer instead of getting it as parameter.
(dlopen): Accommodate get_full_path_of_dll change. Fetch WCHAR Windows
path from path_conv variable and call LoadLibraryW.
libcygwin.a.
* rmsym: Delete.
* newsym: Delete.
* Makefile.in (toolopts): New variable which holds options relating to
binutils/gcc tools.
(speclib): Use toolopts. Add symbols to avoid copying to special libraries.
(OBSOLETE_FUNCTIONS): Delete.
(NEW_FUNCTIONS): Change to represent an argument to new mkimport script.
(libcygwin.a): Use only new mkimport script to create libcygwin.a. Only rely
on ${LIBCOS}.
(*/lib*.a): Simplify speclib dependencies.
(speclib): Accept toolchain options. Convert every argument to absolute path.
Simplify parsing of nm output. Accommodate new exclude option.
well-formed import library. Instead, just extract appropriate symbols and let
later libcygwin.a on link line fill in the rest of the import stuff.
* gendef: Hopefully no-op modification to allow easier post-processing on
symbol values.
error when changing the user account on a standalone Samba server.
Explain why.
* sec_acl.cc (setacl): Accommodate additional parameter to set_file_sd.
* sec_helper.cc (SECURITY_SAMBA_UNIX_AUTHORITY): Define.
(well_known_samba_unix_user_fake_sid): Define.
* security.cc (set_file_sd): Take additional parameter if ownership
should be changed. Restrict requested permissions accordingly.
(set_file_attribute): Accommodate additional parameter to set_file_sd.
* security.h (well_known_samba_unix_user_fake_sid): Declare.
(set_file_sd): Align declaration to above change.
and con_charset.
(dev_console::str_to_con): Take mbtowc function pointer and charset
as additional parameters.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Initialize
aforementioned new members. Explain why.
(dev_console::con_to_str): Remove useless comment. Call new
sys_cp_wcstombs function rather than sys_wcstombs.
(dev_console::str_to_con): Take mbtowc function pointer and charset
as additional parameters. Call sys_cp_mbstowcs accordingly.
(fhandler_console::write_normal): Only initialize f_mbtowc and charset
once. Accommodate changed str_to_con.
* strfuncs.cc (sys_cp_wcstombs): Renamed from sys_wcstombs. Take
wctomb function pointer and charset as parameters. Use throughout.
(sys_cp_mbstowcs): Take wctomb function pointer and charset as
parameters instead of codepage. Remove matching local variables and
their initialization.
* wchar.h (ENCODING_LEN): Define as in newlib.
(__mbtowc): Use mbtowc_p typedef for declaration.
(wctomb_f): New type.
(wctomb_p): New type.
(__wctomb): Declare.
(__utf8_wctomb): Use wctomb_f typedef for declaration.
(sys_cp_wcstombs): Move declaration from winsup.h here.
(sys_wcstombs): Ditto.
(sys_wcstombs_alloc): Ditto.
(sys_cp_mbstowcs): Ditto.
(sys_mbstowcs): Ditto.
(sys_mbstowcs_alloc): Ditto.
* winsup.h: Move declaration of sys_FOO functions to wchar.h. Include
wchar.h instead.
for now.
(__db_wctomb): Alwaus use WC_NO_BEST_FIT_CHARS.
(__jis_wctomb): Just call __ascii_wctomb from here.
(__eucjp_wctomb): Convert to standalone implementation to fix up the
difference between eucJP and CP 20932 affecting JIS-X-0212 characters.
Explain.
(__kr_wctomb): Use codepage 949.
(__db_mbtowc): Reorder code slightly. Always use MB_ERR_INVALID_CHARS
in call to MultiByteToWideChar. Fix a problem with singlebyte
sequences. Fix a bug in '\0' handling. Reset state->__count on
successful return from non-zero state.
(__jis_mbtowc): Just call __ascii_mbtowc from here.
(__eucjp_mbtowc): Convert to standalone implementation to fix up the
difference between eucJP and CP 20932 affecting JIS-X-0212 characters.
(__kr_mbtowc): Use codepage 949.
(__set_charset_from_codepage): Handle codepage 20932 as eucJP.
(fixup_shms_after_fork): Fix comment. Use NtMapViewOfSection rather
than MapViewOfFileEx to recreate shared memory regions. Add function
name to api_fatal output.
(shmat): Use NtMapViewOfSection to create shared memory region
top-down.
pointer-based newlib implementation.
(_ctype_b): Declare.
(__ctype_cp): Move to newlib. Declare.
(__ctype_iso): Ditto.
(__set_ctype): Implement changing __ctype_ptr__. Only copy character
class data in applications built under older Cygwin.
* cygwin.din (__ctype_ptr__): Export.
* include/ctype.h: Remove in favor of newlib implementation.
* include/cygwin/config.h (__EXPORT): Define alongside __IMPORT.
* include/cygwin/version.h (CYGWIN_VERSION_CHECK_FOR_OLD_CTYPE):
Define check for old vs. new ctype implementation.
Bump API minor number.
with leading BOM marker.
(symlink_info::check_shortcut): If check for leading BOM marker
succeeds, read filename as UTF-16 string.
(symlink_info::check_sysfile): Ditto.
(__ctype_default): New character class array for default ASCII
character set.
(__ctype_iso): New array of character class array for ISO charsets.
(__ctype_cp): Ditto for singlebyte Windows codepages.
(tolower): Implement as distinct function to support any singlebyte
charset.
(toupper): Ditto.
(__set_ctype): New function to copy singlebyte character classes
corresponding to current charset to ctype_b array.
Align copyright text to upstream.
* dcrt0.cc (dll_crt0_1): Reset current locale to "C" per POSIX.
* environ.cc (set_file_api_mode): Remove.
(codepage_init): Remove.
(parse_thing): Remove "codepage" setting.
(environ_init): Set locale according to environment settings, or
to current codepage, before converting environment to multibyte.
* fhandler.h (fhandler_console::write_replacement_char): Drop argument.
* fhandler_console.cc (dev_console::str_to_con): Call sys_cp_mbstowcs
rather than MultiByteToWideChar.
(fhandler_console::write_replacement_char): Always print a funny
half filled square if a character isn't in the current charset.
(fhandler_console::write_normal): Convert to using __mbtowc
rather than next_char.
* fork.cc (frok::child): Drop call to set_file_api_mode.
* globals.cc (enum codepage_type) Remove.
(current_codepage): Remove.
* miscfuncs.cc (cygwin_wcslwr): Unused, dangerous. Remove.
(cygwin_wcsupr): Ditto.
(is_cp_multibyte): Remove.
(next_char): Remove.
* miscfuncs.h (is_cp_multibyte): Drop declaration.
(next_char): Ditto.
* strfuncs.cc (get_cp): Remove.
(__db_wctomb): New function to implement _wctomb_r functionality for
doublebyte charsets using WideCharToMultiByte.
(__sjis_wctomb): New function to replace unusable newlib function.
(__jis_wctomb): Ditto.
(__eucjp_wctomb): Ditto.
(__gbk_wctomb): New function.
(__kr_wctomb): Ditto.
(__big5_wctomb): Ditto.
(__db_mbtowc): New function to implement _mbtowc_r functionality for
doublebyte charsets using MultiByteToWideChar.
(__sjis_mbtowc): New function to replace unusable newlib function.
(__jis_mbtowc): Ditto.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): New function.
(__kr_mbtowc): New function
(__big5_mbtowc): New function
(__set_charset_from_codepage): New function.
(sys_wcstombs): Reimplement, basically using same wide char to multibyte
conversion as newlib's application level functions. Plus extras.
Add lengthy comment to explain. Change return type to size_t.
(sys_wcstombs_alloc): Just use sys_wcstombs. Change return type to
size_t.
(sys_cp_mbstowcs): Replace sys_mbstowcs, take additional codepage
argument. Explain why. Change return type to size_t.
(sys_mbstowcs_alloc): Just use sys_mbstowcs. Change return type to
size_t.
* wchar.h: Declare internal functions implemented in strfuncs.cc.
(wcscasecmp): Remove.
(wcsncasecmp): Remove.
(wcslwr): Remove.
(wcsupr): Remove.
* winsup.h (codepage_init): Remove declaration.
(get_cp): Ditto.
(sys_wcstombs): Align declaration to new implementation.
(sys_wcstombs_alloc): Ditto.
(sys_cp_mbstowcs): Add declaration.
(sys_mbstowcs): Define as inline function.
(sys_mbstowcs_alloc): Align declaration to new implementation.
(set_file_api_mode): Remove declaration.
* include/ctype.h (isblank): Redefine to use _B character class.
(toupper): Remove ASCII-only definition.
(tolower): Ditto.
_TOKEN_LINKED_TOKEN and TokenLinkedToken in favor of definitions
from winnt.h.
(lsaprivkeyauth): As in lsaauth, fetch linked token if available and
return that in favor of default token.
earlier.
(get_ino_by_handle): Take additional path_conv argument, accommodate
throughout. Only use FileId if isgood_inode check is true.
(fhandler_base::open_fs): Simplify setting ino due to above change.
(readdir_get_ino): Make sure to return always a non-zero inode number.
(fhandler_disk_file::readdir): Always open file in dir with
FILE_OPEN_REPARSE_POINT so as not to open wrong file.
Drop call to isgood_inode here.
* path.cc (symlink_info::check): Call fs.update in case we're fetching
file information from call to NtQueryDirectoryFile.
parameter "dontwait".
* fhandler_socket.cc (fhandler_socket::wait_for_events): Act as if the
socket is non-blocking if dontwait is true.
(fhandler_socket::recv_internal): Use incoming MSG_DONTWAIT flag to
set the wait_for_events dontwait parameter.
(fhandler_socket::send_internal): Ditto. Optimize code slightly.
* include/cygwin/socket.h (MSG_DONTWAIT): Define.
* include/cygwin/version.h: Bump API minor number.
* net.cc: define _CYGWIN_IN_H and include resolv.h.
(realloc_ent): New function.
(dup_ent): Call realloc_ent.
(memcpy4to6): New function.
(dn_length1): New function.
(gethostby_helper): New function.
(gethostbyname2): New function.
* posix.sgml: Add gethostbyname2.
* include/cygwin/version.h: Bump API minor number.
* libc/minires.c (get_options): Look for "inet6" and apply bounds
to "retry" and "retrans".
(res_ninit): Set the default options at the beginning.
(dn_expand): Fix "off by one".
Corinna Vinschen
Eric Blake
Christopher Faylor
Charles Wilson
Dave Korn