Commit Graph

32 Commits

Author SHA1 Message Date
Corinna Vinschen 5a101414ed * exceptions.cc (_cygtls::handle_exceptions): In case of a
STATUS_ACCESS_VIOLATION, check if the page is a mmaped page beyond
	a file's EOF.  Generate SIGBUS instead of SIGSEGV then.
	* mmap.cc (__PROT_ATTACH): New define.
	(__PROT_FILLER): Ditto.
	(fh_anonymous): Rename from fh_paging_file;
	(fh_disk_file): New global static variable.
	(attached): New inline function.
	(filler): Ditto.
	(gen_create_protect): Split off from gen_protect to use the file's
	access mode to create mapping always with maximum allowed protections.
	(gen_protect): Accomodate pages attached beyond EOF.  Use symbolic
	values instead of numerics when possible.  Drop create parameter.
	(gen_access): Use file's access mode instead of protection.
	(CreateMapping9x): Create named mapping names so that different
	creation access modes result in different mappings.
	(CreateMappingNT): Only reserve attached pages, don't commit them.
	(MapViewNT): Ditto.  Set AT_ROUND_TO_PAGE for all non-NULL base
	addresses.
	(mmap_func_t): Define CreateMapping and MapView function pointers
	with additional openflags parameter.
	(class mmap_record): Add openflags member.
	(mmap_record::mmap_record): Add openflags parameter.
	(mmap_record::get_openflags): New accessor.
	(mmap_record::attached): Call global attached function.
	(mmap_record::filler): Call global filler function.
	(mmap_record::gen_create_protect): Call global gen_create_protect
	function.
	(mmap_record::gen_protect): Drop create parameter.
	(mmap_record::alloc_fh): Set fhandler's access flags.
	(list::search_record): Accomodate filler pages.
	(list::set): Use inode number as hash value.
	(map::get_list_by_fd): Check hash value against file's inode number.
	(mmap_is_attached_page): New function to evaluate if a given address
	is on a attached page.  Called from _cygtls::handle_exceptions.
	(mmap_worker): New function to do mapping and bookkeeping in a
	single call.
	(mmap64): Use roundup2 to round length to pagesize alignment.
	Initialize global fhandlers.  Simplify anonymous initialization.
	Add SUSv3 compatible check of file open mode vs. requested protection.
	Try creating new file handles to allow maximum page protection.
	Allow creating attached pages in case of mapping beyond EOF.
	Close new file handle if one has been created.
	(munmap): Align len to pagesize.
	(msync): Rework argument checks. Align len to pagesize.
	(mprotect): Ditto.  Accomodate attached pages.
	(mlock): Use roundup/rounddown macros instead of homemade expressions.
	(munlock): Add page alignment as in mlock.
	(fhandler_dev_zero::munmap): Fix unmapping of non-private mappings.
	(fhandler_dev_zero::fixup_mmap_after_fork): Accomodate filler pages.
	(fixup_mmaps_after_fork): Don't fail if attached pages couldn't be
	created in child.  Avoid superfluous call to VirtualFree.  Check for
	original allocation protection to fix PAGE_WRITECOPY protection.
	* ntdll.h: Revert deletion of AT_ROUND_TO_PAGE define.
	* winsup.h (mmap_is_attached_page): Declare.
2005-12-07 11:16:47 +00:00
Corinna Vinschen f90e23f271 * autoload.cc (NtCreateSection): Define.
* 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.
2005-11-28 22:32:29 +00:00
Corinna Vinschen 1f5c3042d5 * autoload.cc (NtLockVirtualMemory): Import.
(NtUnlockVirtualMemory): Import.
	(GetProcessWorkingSetSize): Import.
	(SetProcessWorkingSetSize): Import.
	* cygwin.din (mlock): Export.
	(munlock): Export.
	* mmap.cc (mlock): New function.
	(munlock): Ditto.
	* ntdll.h (STATUS_WORKING_SET_QUOTA): Define.
	(LOCK_VM_IN_WSL): Define.
	(LOCK_VM_IN_RAM): Define.
	(NtLockVirtualMemory): Declare.
	(NtUnlockVirtualMemory): Declare.
	* sysconf.cc (sysconf): Implement _SC_MEMLOCK_RANGE.
	* wincap.h: Implement has_working_virtual_lock throughout.
	* wincap.cc: Ditto.
	* include/cygwin/version.h: Bump API minor version.
	* include/sys/mman.h (mlock): Declare,
	(munlock): Declare.
2005-10-18 18:51:33 +00:00
Corinna Vinschen dcb091caaf Revert erroneous checkin. 2005-09-28 19:22:25 +00:00
Corinna Vinschen 1204c515fe * fhandler.h (class fhandler_dev_raw): Delete current_position and
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.
2005-09-28 19:02:53 +00:00
Christopher Faylor 05726ddd86 white space and minor comment cleanup. 2005-05-02 03:50:11 +00:00
Corinna Vinschen 2a24463d0b * autoload.cc (NtQueryVolumeInformationFile): Add.
* fhandler.cc (fhandler_base::raw_write): Don't touch has_changed flag.
	* fhandler.h (enum change_state): Remove.
	(fhandler_base::status): Revert has_changed to a simple bit.
	(fhandler_base::fstat_helper): Add nAllocSize parameter.  Rename
	ftCreationTime to ftChangeTime.
	* fhandler_disk_file.cc:
	Call fstat_helper with additional
	allocation size throughout.
	(fhandler_base::fstat_by_handle): Use NT native functions to get
	full file information on NT.  Call fstat_helper with LastWriteTime
	as ctime, if ChangeTime is not available.
	(fhandler_base::fstat_by_name): Call fstat_helper with LastWriteTime
	as ctime.
	(fhandler_base::fstat_helper): Add comment. Drop special FAT
	handling since it's useless. Use nAllocSize for st_blocks if available.
	(fhandler_disk_file::touch_ctime): Only touch LastWriteTime.
	(fhandler_disk_file::fchmod): Set has_changed on 9x only.
	(fhandler_disk_file::fchown): Don't set has_changed.
	(fhandler_disk_file::facl): Ditto.
	(fhandler_disk_file::ftruncate): Ditto.
	(fhandler_disk_file::link): Set has_changed on 9x only and on original
	file only.
	(fhandler_base::open_fs): Don't set has_changed in O_TRUNC case.
	* ntdll.h (FILE_BASIC_INFORMATION): Define.
	(FILE_STANDARD_INFORMATION): Define.
	(FILE_INTERNAL_INFORMATION): Define.
	(FILE_EA_INFORMATION): Define.
	(FILE_ACCESS_INFORMATION): Define.
	(FILE_POSITION_INFORMATION): Define.
	(FILE_MODE_INFORMATION): Define.
	(FILE_ALIGNMENT_INFORMATION): Define.
	(FILE_NAME_INFORMATION): Don't define with arbitrary FileName size.
	(FILE_ALL_INFORMATION): Define.
	(FILE_INFORMATION_CLASS): Add FileAllInformation.
	(FILE_FS_VOLUME_INFORMATION): Define.
	(FS_INFORMATION_CLASS): Define.
	(NtQueryVolumeInformationFile): Define.
2005-04-12 14:26:31 +00:00
Corinna Vinschen 6d11044c63 * fhandler.h (class fhandler_base): Declare fixup_mmap_after_fork
with additional flags parameter.  Change offset parameter to _off64_t.
	(class fhandler_disk_file): Ditto.
	(class fhandler_dev_mem): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork):
	Accomodate new parameters.
	* mmap.cc: Include ntdll.h.
	(class mmap_record): Add flags member.
	(mmap_record::mmap_record): Add flags parameter.
	(mmap_record::get_flags): New method.
	(class map): Add next_anon_addr member to store next anonymous mapping
	address suggestion.
	(map::get_next_anon_addr): New method.
	(map::set_next_anon_addr): New method.
	(mmap64): Don't align offset and length to granularity in case of
	MAP_ANONYMOUS on NT.  Check for already existing mapping only on 9x.
	Call mmap_record::mmap_record with additional flags argument.
	(fhandler_base::fixup_mmap_after_fork): Accomodate new parameters.
	(fhandler_disk_file::mmap): Use NtMapViewOfSection with
	AT_ROUND_TO_PAGE flag for anonymous mappings on NT.  If addr is NULL,
	try to map adjacent to previous mapping.
	(fhandler_disk_file::fixup_mmap_after_fork): Add flags argument.
	Change offset parameter to _off64_t.  Use NtMapViewOfSection to
	re-create anonymous mappings on NT.
	(fixup_mmaps_after_fork): Accomodate new parameters when calling
	fhandler's fixup_mmaps_after_fork function.
	* ntdll.h (AT_ROUND_TO_PAGE): New define.
2005-02-25 21:23:15 +00:00
Christopher Faylor 6644c628f5 Christopher Faylor <cgf@timesys.com>
* autoload.cc (NtQueryInformationFile): Return nonzero on error.
* ntdll.h (FILE_PIPE_LOCAL_INFORMATION): Add.
(NtQueryInformationFile): Fix types for last two arguments.
* pipe.cc: Include stdlib.h, limits.h, and ntdll.h.
(create_selectable_pipe): New function to create a pipe that can be used with
NtQueryInformationFile for select.
(fhandler_pipe::create): Call create_selectable_pipe instead of CreatePipe.
(pipe): Use DEFAULT_PIPEBUFSIZE as argument to create_pipe.
* select.cc: Include limits.h and ntdll.h.
(peek_pipe): Add select_printf output.  Call NtQueryInformationFile to
implement select for write on pipes.
(fhandler_pipe::select_read): Reorder field assignments to be consistent with
fhandler_pipe::select_write.
(fhandler_pipe::select_write): Initialize startup, verify, cleanup, and
write_ready fields for select_record.
(fhandler_pipe::select_except): Tweak indentation to be consistent with
fhandler_pipe::select_write.
2004-09-03 01:32:02 +00:00
Christopher Faylor 604ca5fa17 * winbase.h (ilockincr): More changes from the inexplicable world of gcc asm
magic.
(ilockdecr): Ditto.
2004-06-03 21:29:43 +00:00
Corinna Vinschen e859706578 * autoload.cc (NtCreateFile): Add.
* dir.cc (mkdir): Change set_file_attribute call to indicate that
	NT security isn't used.
	* fhandler.cc (fhandler_base::open_9x): New method, created from
	fhandler_base::open.
	(fhandler_base::open): Rearrange to use NtCreateFile instead of
	CreateFile.
	* fhandler.h (enum query_state): Redefine query_null_access to
	query_stat_control.  query_null_access isn't allowed in NtCreateFile.
	(fhandler_base::open_9x): Declare.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use
	query_stat_control first, query_read_control if that fails.
	(fhandler_disk_file::fchmod): Call enable_restore_privilege before
	trying to open for query_write_control.  Don't fall back to
	opening for query_read_control.
	(fhandler_disk_file::fchown): Ditto.
	(fhandler_disk_file::facl):  Only request restore privilege and query
	access necessary for given cmd.
	* fhandler_raw.cc (fhandler_dev_raw::open): Call fhandler_base::open
	instead of opening device here.
	* ntdll.h (NtCreateFile): Declare.
	* path.cc (symlink_worker): Change set_file_attribute call to indicate
	that NT security isn't used.
	* sec_acl.cc (getacl): Fix bracketing.
	* sec_helper.cc (enable_restore_privilege): New function.
	* security.cc (str2buf2uni_cat): New function.
	(write_sd): Don't request restore permission here.
	* security.h (set_process_privileges): Drop stale declaration.
	(str2buf2uni): Declare.
	(str2buf2uni_cat): Declare.
	(enable_restore_privilege): Declare.
	* syscalls.cc (fchown32): Return immediate success on 9x.
2004-04-16 21:22:13 +00:00
Corinna Vinschen e84c7766c3 * ntdll.h: Fix copyright date.
* sec_acl.cc (acl_worker): delete allocated fhandler.
	* syscalls.cc (chown_worker): Ditto.
	(chmod): Ditto.
	(stat_worker): Use get_namehash instead of hash_path_name.
2004-04-14 21:11:45 +00:00
Corinna Vinschen f4ae6dc62c * autoload.cc (NtSetSecurityObject): Add.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request
	READ_CONTROL rights when opening the file.
	* ntdll.h (NtSetSecurityObject): Add declaration.
	* security.cc (write_sd): Call NtSetSecurityObject instead of
	BackupWrite.
	(get_nt_object_security): Don't free security descriptor here.

	* syscalls.cc (ttyname): Use buffer of length TTY_NAME_MAX + 1.
	* sysconf.cc (sysconf): Handle _SC_TTY_NAME_MAX request.
	* include/limits.h: Define TTY_NAME_MAX and _POSIX_TTY_NAME_MAX.
2004-04-14 10:20:26 +00:00
Corinna Vinschen 71ffba498c * autoload.cc (NtQuerySecurityObject): Add.
* ntdll.h (STATUS_BUFFER_TOO_SMALL): Add definition.
	(NtQuerySecurityObject): Add declaration.
	* security.cc (get_nt_object_attribute): Always use
	NtQuerySecurityObject to retrieve security descriptor.
2004-04-13 12:14:59 +00:00
Corinna Vinschen b8eac1dee4 * fhandler_disk_file.cc (fhandler_base::fstat_helper): Request
compressed size only if the matching attributes are set.  Use
	NtQueryInformationFile instead of GetCompressedFileSize.
	(fhandler_base::fstat_by_handle): Remove NT 3.5 cruft since
	local.dwVolumeSerialNumber isn't used subsequently.
	* ntdll.h: Add typedefs for FILE_COMPRESSION_INFORMATION and
	FILE_INFORMATION_CLASS.
2004-04-06 10:19:31 +00:00
Corinna Vinschen 891d1990ab * fhandler_proc.cc (format_proc_meminfo): On NT, try to figure out
real swap file usage by requesting SystemPagefileInformation.  Use
	GlobalMemoryStatus as fallback.
	* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemPagefileInformation.
	(struct _SYSTEM_PAGEFILE_INFORMATION): Define.
2004-03-18 12:28:47 +00:00
Christopher Faylor 86ed5c8821 * cygwin.din: Export _fdopen64
* Makefile.in (NEW_FUNCTIONS): Add _fdopen64 -> fdopen translation.
* include/cygwin/version.h: Bump api minor number.
* ntdll.h: Remove (now) duplicate FILE_SYNCHRONOUS_IO_NONALERT definition.
2003-07-25 16:13:12 +00:00
Christopher Faylor a113a3c540 whitespace cleanup 2003-03-09 20:31:07 +00:00
Corinna Vinschen ce542f7867 * autoload.cc: Fix copyright date.
* fhandler_dsp.cc: Ditto.
	* mmap.cc: Ditto.
	* net.cc: Ditto.
	* ntdll.h: Ditto.
	* signal.cc: Ditto.
	* syscalls.cc: Ditto.
	* uname.cc: Ditto.
	* wait.cc: Ditto.
2003-01-15 10:21:23 +00:00
Christopher Faylor 9f0d3f37f3 * ntdll.h: Fix typo. 2003-01-13 03:55:00 +00:00
Christopher Faylor 91a2f87b9d * ntdll.h (_SYSTEM_PROCESSOR_TIMES): Force eight byte alignment.
(_SYSTEM_TIME_OF_DAY_INFORMATION): Ditto.
2002-07-05 21:58:49 +00:00
Corinna Vinschen d74eced5d5 * autoload.cc: Replace autoload statments for ZwXXX by NtXXX.
Drop ZwQuerySystemInformation since NtQuerySystemInformation was
	already available.
	* fhandler_proc.cc (format_proc_uptime): Replace call to
	ZwQuerySystemInformation by call to NtQuerySystemInformation.
	(format_proc_stat): Ditto.
	* fhandler_process.cc (format_process_stat): Replace call to
	ZwQueryInformationProcess by call to NtQueryInformationProcess.
	(get_process_state): Ditto.
	(get_mem_values): Ditto.  Replace call to ZwQueryVirtualMemory by
	call to NtQueryVirtualMemory.
	* ntdll.h: Cleanup.  Drop ZwQuerySystemInformation since
	NtQuerySystemInformation was already available.  Replace declarations
	of ZwXXX functions by declarations of NtXXX.
	* pinfo.cc (winpids::enumNT): Replace call to ZwQuerySystemInformation
	by call to NtQuerySystemInformation.
2002-05-30 07:45:30 +00:00
Christopher Faylor 2402700d07 * autoload.cc (LoadFuncEx): Define via new LoadFuncEx2 macro.
(LoadFuncEx2): Adapted from LoadFuncEx.  Provides control of return value for
nonexistent function.
(NtQueryObject): Declare.
(IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not
available.
* debug.h (being_debugged): Just rely on IsDebuggerPresent return value.
* dtable.cc (handle_to_fn): New function.
(dtable::init_std_file_from_handle): Attempt to derive std handle's name via
handle_to_fn.
(dtable::build_fhandler_from_name): Fill in what we can in path_conv structure
when given a handle and path doesn't exist.
* fhandler.cc (fhandler_base::open): Don't set the file pointer here.  Use
pc->exists () to determine if file exists rather than calling GetFileAttributes
again.
* fhandler.h (fhandler_base::exec_state_isknown): New method.
(fhandler_base::fstat_helper): Add extra arguments to declaration.
(fhandler_base::fstat_by_handle): Declare new method.
(fhandler_base::fstat_by_name): Declare new method.
* fhandler_disk_file (num_entries): Make __stdcall.
(fhandler_base::fstat_by_handle): Define new method.
(fhandler_base::fstat_by_name): Define new method.
(fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate.
(fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat
structure.  Move handle or name specific stuff to new methods above.
(fhandler_disk_file::open): Use real_path->exists rather than calling
GetFileAttributes again.
* ntdll.h (FILE_NAME_INFORMATION): Define new structure.
(OBJECT_INFORMATION_CLASS): Partially define new enum.
(OBJECT_NAME_INFORMATION): Define new structure.
(NtQueryInformationFile): New declaration.
(NtQueryObject): New declaration.
* path.cc (path_conv::fillin): Define new method.
* path.h (path_conv::fillin): Declare new method.
(path_conv::drive_thpe): Rename from 'get_drive_type'.
(path_conv::volser): Declare new method.
(path_conv::volname): Declare new method.
(path_conv::root_dir): Declare new method.
* syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
2002-05-28 01:55:40 +00:00
Christopher Faylor 9ba913a56d * autoload.cc: Add dynamic load statements for 'ZwQueryInformationProcess' and
'ZwQueryVirtualMemory'.
* fhandler.h: Change type of bufalloc and filesize members of fhandler_virtual
from int to size_t.  Change type of position member from __off32_t to
__off64_t.  Add new fileid member to fhandler_virtual class.  Make seekdir take
an __off64_t argument.  Make lseek take an __off64_t argument.  Add
fill_filebuf method to fhandler_virtual.  Add fill_filebuf method to
fhandler_proc.  Add fill_filebuf method to fhandler_registry.  Add fill_filebuf
method to fhandler_process.  Add saved_pid and saved_p members to
fhandler_process.
* fhandler_proc.cc (proc_listing_array): Add 'loadavg', 'meminfo', and 'stat'.
(proc_fhandlers array): Ditto.
(fhandler_proc::open): Use fill_filebuf to flesh out the file contents.
(fhandler_proc::fill_filebuf): New method.
(fhandler_proc::format_proc_meminfo): Ditto.
(fhandler_proc::format_proc_stat): Ditto.
(fhandler_proc::format_proc_uptime): Ditto.
* fhandler_process.cc (process_listing): Add 'stat' and 'statm'.
(fhandler_process::fstat): Find the _pinfo structure for the process named in
the filename.  Return ENOENT if the process is no longer around.  Set the gid
and uid fields of the stat structure.
(fhandler_process::open): Store pid and pointer to _pinfo structure in
saved_pid and saved_p respectively.  Use fill_filebuf to flesh out file
contents.
(fhandler_proc::fill_filebuf): New method.
(format_process_stat): New function.
(format_process_status): Ditto.
(format_process_statm): Ditto.
(get_process_state): Ditto.
(get_mem_values): Ditto.
* fhandler_registry.cc (fhandler_registry::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_registry::fill_filebuf): New method.
* fhandler_virtual.cc (fhandler_virtual::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_virtual::lseek): Ditto.
(fhandler_virtual::fill_filebuf): New method.
(fhandler_virtual::fhandler_virtual): Initialise fileid to -1.
* wincap.cc: Set flag has_process_io_counters appropriately.
* wincap.h: Add flag has_process_io_counters.
2002-05-12 01:37:48 +00:00
Corinna Vinschen 990690655c * autoload.cc: Add load statement for `NtOpenFile'.
* fhandler.h (fhandler_dev_raw::get_unit): New method.
	(fhandler_dev_tape::norewind): Eliminate.
	(fhandler_dev_tape::is_rewind_device): New method.
	* fhandler_raw.cc (fhandler_dev_raw::open): Open new
	fixed device name devices using NT internal method.
	Keep calling fhandler_base::open() for old mount table
	device mapping compatibility devices.
	(fhandler_dev_raw::fstat): Eliminate.  Settings are done
	by fhandler_base::fstat() already.
	* fhandler_tape.cc: Remove `norewind' usage throughout.
	* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
	Define struct _IO_STATUS_BLOCK.
	Declare NtOpenFile().
	* path.cc (get_raw_device_number): Add new approach for
	using fixed device names.
	(win32_device_name): Ditto.
	(get_device_number): Ditto.  Require POSIX path to begin
	with "/dev/".
	(mount_info::conv_to_win32_path): Call win32_device_name()
	instead of get_device_number() after evaluating mount points
	to allow changing the win32 destination path again.
	* security.cc (str2buf2uni): Remove `static' to be able to
	call function from fhandler_dev_raw::open().
	* wincap.cc: Set flag has_raw_devices appropriately.
	* wincap.h: Add flag has_raw_devices.
2001-10-16 14:53:26 +00:00
Christopher Faylor e3c25c4a47 Update copyrights. 2001-09-11 20:01:02 +00:00
Christopher Faylor 1ff9f4b937 * cygheap.h (init_cygheap): Move heap pointers here.
* include/sys/cygwin.h (perprocess): Remove heap pointers.
* dcrt0.cc (__cygwin_user_data): Reflect obsolete perprocess stuff.
(_dll_crt0): Don't initialize heap pointers.
(cygwin_dll_init): Ditto.
(release_upto): Use heap pointers from cygheap.
* heap.h: Ditto.
* fork.cc (fork_parent): Ditto.  Don't set heap pointers in ch.
(fork_child): Remove obsolete sigproc_fixup_after_fork.
* shared.cc (memory_init): Reorganize so that cygheap initialization is called
prior to regular heap since regular heap uses cygheap now.
* sigproc.cc (proc_subproc): Eliminate zombies allocation.
(sigproc_init): Move zombies alloation here.  Don't free up array on fork, just
reuse it.
(sigproc_fixup_after_fork): Eliminate.
* sigproc.h: Ditto.
* include/cygwin/version.h: Reflect change to perprocess structure.
2001-09-07 21:32:07 +00:00
Corinna Vinschen 1fcc912f13 * autoload.cc: Add load statements for `LookupAccountNameW',
`LsaClose', `LsaEnumerateAccountRights', `LsaFreeMemory',
        `LsaOpenPolicy', `LsaQueryInformationPolicy', `NetLocalGroupEnum',
        `NetLocalGroupGetMembers', `NetServerEnum', `NetUserGetGroups' and
        `NtCreateToken'.
        * ntdll.h: Add declaration for `NtCreateToken'.
        * sec_helper.cc: Add `well_known_local_sid', `well_known_dialup_sid',
        `well_known_network_sid', `well_known_batch_sid',
        `well_known_interactive_sid', `well_known_service_sid' and
        `well_known_authenticated_users_sid'.
        (cygsid::string): Define as const method.
        (cygsid::get_sid): Set psid to NO_SID on error.
        (cygsid::getfromstr): Ditto.
        (cygsid::getfrompw): Simplify.
        (cygsid::getfromgr): Check for gr == NULL.
        (legal_sid_type): Move to security.h.
        (set_process_privilege): Return -1 on error, otherwise 0 or 1 related
        to previous privilege setting.
        * security.cc (extract_nt_dom_user): Remove `static'.
        (lsa2wchar): New function.
        (open_local_policy): Ditto.
        (close_local_policy): Ditto.
        (get_lsa_srv_inf): Ditto.
        (get_logon_server): Ditto.
        (get_logon_server_and_user_domain): Ditto.
        (get_user_groups): Ditto.
        (is_group_member): Ditto.
        (get_user_local_groups): Ditto.
        (sid_in_token_groups): Ditto.
        (get_user_primary_group): Ditto.
        (get_group_sidlist): Ditto.
        (get_system_priv_list): Ditto.
        (get_priv_list): Ditto.
        (get_dacl): Ditto.
        (create_token): Ditto.
        (subauth): Return immediately if SE_TCB_NAME can't be assigned.
        Change all return statements in case of error to jumps to `out'
        label. Add `out' label to support cleanup.
        * security.h: Add extern declarations for `well_known_local_sid',
        `well_known_dialup_sid', `well_known_network_sid',
        `well_known_batch_sid', `well_known_interactive_sid',
        `well_known_service_sid' and `well_known_authenticated_users_sid'.
        Add extern declarations for functions `create_token',
        `extract_nt_dom_user' and `get_logon_server_and_user_domain'.
        (class cygsid): Add method `assign'. Change operator= to call new
        `assign' method. Add `debug_print' method.
        (class cygsidlist): New class.
        (legal_sid_type): Moved from sec_helper.cc to here.
        * spawn.cc (spawn_guts) Revert reversion of previous patch.
        Call `RevertToSelf' and `ImpersonateLoggedOnUser' instead of `seteuid'
        again.
        * syscalls.cc (seteuid): Rearranged. Call `create_token' now when
        needed. Call `subauth' if `create_token' fails. Try setting token
        owner and primary group only if token was not explicitely created
        by `create_token'.
        * uinfo.cc (internal_getlogin): Try harder to generate correct user
        information. Especially don't trust return value of `GetUserName'.
2001-05-20 08:10:47 +00:00
Christopher Faylor f5c1d23103 minor formatting changes. 2001-04-29 02:54:36 +00:00
Christopher Faylor ed15374b49 * ntdll.h: Remove IO_COUNTERS definition since it is now in winnt.h. 2000-11-02 06:59:07 +00:00
Christopher Faylor 6d87f7d7c4 * pinfo.cc (EnumProcessesNT): New function. Eliminates dependence on psapi.h.
(EnumProcesses9x): Rename from EnumProcessesW95.  Change arguments to be more
useful for cygwin.
(winpids::init): Accomodate argument changes.
(enum_init): Ditto.
* pinfo.h (winpids): Make pidlist dynamically extendable by storing it as a
pointer and remembering the size.
* ntdll.h: Add extra definitions needed for EnumProcessesNT.  Reformat via
'indent'.
2000-11-02 05:25:56 +00:00
Corinna Vinschen 8c8d0db462 * ntdll.h: New file.
* fhandler_mem.cc: Move ntdll.dll specific definitions and
        declarations to ntdll.h.
        * sysconf.cc (sysconf): Add support for _SC_NPROCESSORS_CONF,
        _SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES and _SC_AVPHYS_PAGES.
2000-10-24 18:44:56 +00:00