1 ;;;; This file contains Win32 support routines that SBCL needs to
2 ;;;; implement itself, in addition to those that apply to Win32 in
3 ;;;; unix.lisp. In theory, some of these functions might someday be
4 ;;;; useful to the end user.
6 ;;;; This software is part of the SBCL system. See the README file for
9 ;;;; This software is derived from the CMU CL system, which was
10 ;;;; written at Carnegie Mellon University and released into the
11 ;;;; public domain. The software is in the public domain and is
12 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
13 ;;;; files for more information.
15 (in-package "SB!WIN32")
17 ;;; Alien definitions for commonly used Win32 types. Woe unto whoever
18 ;;; tries to untangle this someday for 64-bit Windows.
20 ;;; FIXME: There used to be many more here, which are now groveled,
21 ;;; but groveling HANDLE makes it unsigned, which currently breaks the
22 ;;; build. --NS 2006-06-18
23 (define-alien-type handle int-ptr)
24 (define-alien-type system-string
25 #!-sb-unicode c-string
26 #!+sb-unicode (c-string :external-format :ucs-2))
28 (defconstant default-environment-length 1024)
30 ;;; HANDLEs are actually pointers, but an invalid handle is -1 cast
32 (defconstant invalid-handle -1)
36 ;;; Retrieve the calling thread's last-error code value. The
37 ;;; last-error code is maintained on a per-thread basis.
38 (define-alien-routine ("GetLastError@0" get-last-error) dword)
40 ;;; Flag constants for FORMAT-MESSAGE.
41 (defconstant format-message-from-system #x1000)
43 ;;; Format an error message based on a lookup table. See MSDN for the
44 ;;; full meaning of the all options---most are not used when getting
45 ;;; system error codes.
46 (define-alien-routine ("FormatMessageA@28" format-message) dword
57 ;;; Get the operating system handle for a C file descriptor. Returns
58 ;;; INVALID-HANDLE on failure.
59 (define-alien-routine ("_get_osfhandle" get-osfhandle) handle
62 ;;; Read data from a file handle into a buffer. This may be used
63 ;;; synchronously or with "overlapped" (asynchronous) I/O.
64 (define-alien-routine ("ReadFile@20" read-file) bool
68 (bytes-read (* dword))
71 ;;; Write data from a buffer to a file handle. This may be used
72 ;;; synchronously or with "overlapped" (asynchronous) I/O.
73 (define-alien-routine ("WriteFile@20" write-file) bool
76 (bytes-to-write dword)
77 (bytes-written (* dword))
80 ;;; Copy data from a named or anonymous pipe into a buffer without
81 ;;; removing it from the pipe. BUFFER, BYTES-READ, BYTES-AVAIL, and
82 ;;; BYTES-LEFT-THIS-MESSAGE may be NULL if no data is to be read.
83 ;;; Return TRUE on success, FALSE on failure.
84 (define-alien-routine ("PeekNamedPipe@24" peek-named-pipe) bool
88 (bytes-read (* dword))
89 (bytes-avail (* dword))
90 (bytes-left-this-message (* dword)))
92 ;;; Flush the console input buffer if HANDLE is a console handle.
93 ;;; Returns true on success, false if the handle does not refer to a
95 (define-alien-routine ("FlushConsoleInputBuffer@4" flush-console-input-buffer) bool
98 ;;; Read data from the console input buffer without removing it,
99 ;;; without blocking. Buffer should be large enough for LENGTH *
100 ;;; INPUT-RECORD-SIZE bytes.
101 (define-alien-routine ("PeekConsoleInputA@16" peek-console-input) bool
107 ;;; Listen for input on a Windows file handle. Unlike UNIX, there
108 ;;; isn't a unified interface to do this---we have to know what sort
109 ;;; of handle we have. Of course, there's no way to actually
110 ;;; introspect it, so we have to try various things until we find
111 ;;; something that works. Returns true if there could be input
112 ;;; available, or false if there is not.
113 (defun handle-listen (handle)
114 (with-alien ((avail dword)
115 (buf (array char #.input-record-size)))
116 (unless (zerop (peek-named-pipe handle nil 0 nil (addr avail) nil))
117 (return-from handle-listen (plusp avail)))
119 (unless (zerop (peek-console-input handle
122 (return-from handle-listen (plusp avail)))
124 ;; FIXME-SOCKETS: Try again here with WSAEventSelect in case
125 ;; HANDLE is a socket.
128 ;;; Listen for input on a C runtime file handle. Returns true if
129 ;;; there could be input available, or false if there is not.
130 (defun fd-listen (fd)
131 (let ((handle (get-osfhandle fd)))
133 (handle-listen handle)
136 ;;; Clear all available input from a file handle.
137 (defun handle-clear-input (handle)
138 (flush-console-input-buffer handle)
139 (with-alien ((buf (array char 1024))
142 (unless (handle-listen handle)
144 (when (zerop (read-file handle (cast buf (* t)) 1024 (addr count) nil))
149 ;;; Clear all available input from a C runtime file handle.
150 (defun fd-clear-input (fd)
151 (let ((handle (get-osfhandle fd)))
153 (handle-clear-input handle))))
155 ;;;; System Functions
158 (define-alien-routine ("Sleep@4" millisleep) void
159 (milliseconds dword))
162 (defun sb!unix:nanosleep (sec nsec)
163 (let ((*allow-with-interrupts* *interrupts-enabled*))
165 (let ((timer (sb!impl::os-create-wtimer)))
166 (sb!impl::os-set-wtimer timer sec nsec)
168 (do () ((with-local-interrupts
169 (zerop (sb!impl::os-wait-for-wtimer timer)))))
170 (sb!impl::os-close-wtimer timer))))))
174 (defvar *ansi-codepage* nil)
175 (defvar *oem-codepage* nil)
176 (defvar *codepage-to-external-format* (make-hash-table)))
180 (cp '(;;037 IBM EBCDIC - U.S./Canada
181 (437 :CP437) ;; OEM - United States
182 ;;500 IBM EBCDIC - International
183 ;;708 Arabic - ASMO 708
184 ;;709 Arabic - ASMO 449+, BCON V4
185 ;;710 Arabic - Transparent Arabic
186 ;;720 Arabic - Transparent ASMO
187 ;;737 OEM - Greek (formerly 437G)
189 (850 :CP850) ;; OEM - Multilingual Latin I
190 (852 :CP852) ;; OEM - Latin II
191 (855 :CP855) ;; OEM - Cyrillic (primarily Russian)
192 (857 :CP857) ;; OEM - Turkish
193 ;;858 OEM - Multilingual Latin I + Euro symbol
194 (860 :CP860) ;; OEM - Portuguese
195 (861 :CP861) ;; OEM - Icelandic
196 (862 :CP862) ;; OEM - Hebrew
197 (863 :CP863) ;; OEM - Canadian-French
198 (864 :CP864) ;; OEM - Arabic
199 (865 :CP865) ;; OEM - Nordic
200 (866 :CP866) ;; OEM - Russian
201 (869 :CP869) ;; OEM - Modern Greek
202 ;;870 IBM EBCDIC - Multilingual/ROECE (Latin-2)
203 (874 :CP874) ;; ANSI/OEM - Thai (same as 28605, ISO 8859-15)
204 ;;875 IBM EBCDIC - Modern Greek
205 (932 :CP932) ;; ANSI/OEM - Japanese, Shift-JIS
206 ;;936 ANSI/OEM - Simplified Chinese (PRC, Singapore)
207 ;;949 ANSI/OEM - Korean (Unified Hangul Code)
208 ;;950 ANSI/OEM - Traditional Chinese (Taiwan; Hong Kong SAR, PRC)
209 ;;1026 IBM EBCDIC - Turkish (Latin-5)
210 ;;1047 IBM EBCDIC - Latin 1/Open System
211 ;;1140 IBM EBCDIC - U.S./Canada (037 + Euro symbol)
212 ;;1141 IBM EBCDIC - Germany (20273 + Euro symbol)
213 ;;1142 IBM EBCDIC - Denmark/Norway (20277 + Euro symbol)
214 ;;1143 IBM EBCDIC - Finland/Sweden (20278 + Euro symbol)
215 ;;1144 IBM EBCDIC - Italy (20280 + Euro symbol)
216 ;;1145 IBM EBCDIC - Latin America/Spain (20284 + Euro symbol)
217 ;;1146 IBM EBCDIC - United Kingdom (20285 + Euro symbol)
218 ;;1147 IBM EBCDIC - France (20297 + Euro symbol)
219 ;;1148 IBM EBCDIC - International (500 + Euro symbol)
220 ;;1149 IBM EBCDIC - Icelandic (20871 + Euro symbol)
221 (1200 :UCS-2LE) ;; Unicode UCS-2 Little-Endian (BMP of ISO 10646)
222 (1201 :UCS-2BE) ;; Unicode UCS-2 Big-Endian
223 (1250 :CP1250) ;; ANSI - Central European
224 (1251 :CP1251) ;; ANSI - Cyrillic
225 (1252 :CP1252) ;; ANSI - Latin I
226 (1253 :CP1253) ;; ANSI - Greek
227 (1254 :CP1254) ;; ANSI - Turkish
228 (1255 :CP1255) ;; ANSI - Hebrew
229 (1256 :CP1256) ;; ANSI - Arabic
230 (1257 :CP1257) ;; ANSI - Baltic
231 (1258 :CP1258) ;; ANSI/OEM - Vietnamese
232 ;;1361 Korean (Johab)
234 ;;10001 MAC - Japanese
235 ;;10002 MAC - Traditional Chinese (Big5)
239 ;;10006 MAC - Greek I
240 (10007 :X-MAC-CYRILLIC) ;; MAC - Cyrillic
241 ;;10008 MAC - Simplified Chinese (GB 2312)
242 ;;10010 MAC - Romania
243 ;;10017 MAC - Ukraine
245 ;;10029 MAC - Latin II
246 ;;10079 MAC - Icelandic
247 ;;10081 MAC - Turkish
248 ;;10082 MAC - Croatia
249 ;;12000 Unicode UCS-4 Little-Endian
250 ;;12001 Unicode UCS-4 Big-Endian
253 ;;20002 Eten - Taiwan
254 ;;20003 IBM5550 - Taiwan
255 ;;20004 TeleText - Taiwan
256 ;;20005 Wang - Taiwan
257 ;;20105 IA5 IRV International Alphabet No. 5 (7-bit)
258 ;;20106 IA5 German (7-bit)
259 ;;20107 IA5 Swedish (7-bit)
260 ;;20108 IA5 Norwegian (7-bit)
261 ;;20127 US-ASCII (7-bit)
263 ;;20269 ISO 6937 Non-Spacing Accent
264 ;;20273 IBM EBCDIC - Germany
265 ;;20277 IBM EBCDIC - Denmark/Norway
266 ;;20278 IBM EBCDIC - Finland/Sweden
267 ;;20280 IBM EBCDIC - Italy
268 ;;20284 IBM EBCDIC - Latin America/Spain
269 ;;20285 IBM EBCDIC - United Kingdom
270 ;;20290 IBM EBCDIC - Japanese Katakana Extended
271 ;;20297 IBM EBCDIC - France
272 ;;20420 IBM EBCDIC - Arabic
273 ;;20423 IBM EBCDIC - Greek
274 ;;20424 IBM EBCDIC - Hebrew
275 ;;20833 IBM EBCDIC - Korean Extended
276 ;;20838 IBM EBCDIC - Thai
277 (20866 :KOI8-R) ;; Russian - KOI8-R
278 ;;20871 IBM EBCDIC - Icelandic
279 ;;20880 IBM EBCDIC - Cyrillic (Russian)
280 ;;20905 IBM EBCDIC - Turkish
281 ;;20924 IBM EBCDIC - Latin-1/Open System (1047 + Euro symbol)
282 ;;20932 JIS X 0208-1990 & 0121-1990
283 ;;20936 Simplified Chinese (GB2312)
284 ;;21025 IBM EBCDIC - Cyrillic (Serbian, Bulgarian)
286 (21866 :KOI8-U) ;; Ukrainian (KOI8-U)
287 (28591 :LATIN-1) ;; ISO 8859-1 Latin I
288 (28592 :ISO-8859-2) ;; ISO 8859-2 Central Europe
289 (28593 :ISO-8859-3) ;; ISO 8859-3 Latin 3
290 (28594 :ISO-8859-4) ;; ISO 8859-4 Baltic
291 (28595 :ISO-8859-5) ;; ISO 8859-5 Cyrillic
292 (28596 :ISO-8859-6) ;; ISO 8859-6 Arabic
293 (28597 :ISO-8859-7) ;; ISO 8859-7 Greek
294 (28598 :ISO-8859-8) ;; ISO 8859-8 Hebrew
295 (28599 :ISO-8859-9) ;; ISO 8859-9 Latin 5
296 (28605 :LATIN-9) ;; ISO 8859-15 Latin 9
298 (38598 :ISO-8859-8) ;; ISO 8859-8 Hebrew
299 ;;50220 ISO 2022 Japanese with no halfwidth Katakana
300 ;;50221 ISO 2022 Japanese with halfwidth Katakana
301 ;;50222 ISO 2022 Japanese JIS X 0201-1989
302 ;;50225 ISO 2022 Korean
303 ;;50227 ISO 2022 Simplified Chinese
304 ;;50229 ISO 2022 Traditional Chinese
305 ;;50930 Japanese (Katakana) Extended
306 ;;50931 US/Canada and Japanese
307 ;;50933 Korean Extended and Korean
308 ;;50935 Simplified Chinese Extended and Simplified Chinese
309 ;;50936 Simplified Chinese
310 ;;50937 US/Canada and Traditional Chinese
311 ;;50939 Japanese (Latin) Extended and Japanese
312 (51932 :EUC-JP) ;; EUC - Japanese
313 ;;51936 EUC - Simplified Chinese
315 ;;51950 EUC - Traditional Chinese
316 ;;52936 HZ-GB2312 Simplified Chinese
317 ;;54936 Windows XP: GB18030 Simplified Chinese (4 Byte)
318 ;;57002 ISCII Devanagari
319 ;;57003 ISCII Bengali
322 ;;57006 ISCII Assamese
324 ;;57008 ISCII Kannada
325 ;;57009 ISCII Malayalam
326 ;;57010 ISCII Gujarati
327 ;;57011 ISCII Punjabi
328 ;;65000 Unicode UTF-7
329 (65001 :UTF8))) ;; Unicode UTF-8
330 (setf (gethash (car cp) *codepage-to-external-format*) (cadr cp)))
333 ;; FIXME: Something odd here: why are these two #+SB-UNICODE, whereas
334 ;; the console just behave differently?
336 (declaim (ftype (function () keyword) ansi-codepage))
337 (defun ansi-codepage ()
339 (setq *ansi-codepage*
340 (gethash (alien-funcall (extern-alien "GetACP@0" (function UINT)))
341 *codepage-to-external-format*
344 (declaim (ftype (function () keyword) oem-codepage))
345 (defun oem-codepage ()
348 (gethash (alien-funcall (extern-alien "GetOEMCP@0" (function UINT)))
349 *codepage-to-external-format*
352 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/getconsolecp.asp
353 (declaim (ftype (function () keyword) console-input-codepage))
354 (defun console-input-codepage ()
356 (gethash (alien-funcall (extern-alien "GetConsoleCP@0" (function UINT)))
357 *codepage-to-external-format*)
360 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/getconsoleoutputcp.asp
361 (declaim (ftype (function () keyword) console-output-codepage))
362 (defun console-output-codepage ()
364 (gethash (alien-funcall
365 (extern-alien "GetConsoleOutputCP@0" (function UINT)))
366 *codepage-to-external-format*)
369 (define-alien-routine ("LocalFree@4" local-free) void
372 (defmacro cast-and-free (value &key (type 'system-string)
373 (free-function 'free-alien))
374 `(prog1 (cast ,value ,type)
375 (,free-function ,value)))
377 (eval-when (:compile-toplevel :load-toplevel :execute)
378 (defmacro with-funcname ((name description) &body body)
380 ((,name (etypecase ,description
381 (string ,description)
382 (cons (destructuring-bind (s &optional (l 0) c) ,description
383 (format nil "~A~A~A" s
384 (if c #!-sb-unicode "A@" #!+sb-unicode "W@" "@")
388 (defmacro make-system-buffer (x)
389 `(make-alien char #!+sb-unicode (ash ,x 1) #!-sb-unicode ,x))
391 ;;; FIXME: The various FOO-SYSCALL-BAR macros, and perhaps some other
392 ;;; macros in this file, are only used in this file, and could be
393 ;;; implemented using SB!XC:DEFMACRO wrapped in EVAL-WHEN.
395 (defmacro syscall ((name ret-type &rest arg-types) success-form &rest args)
396 (with-funcname (sname name)
398 (declare (optimize (sb!c::float-accuracy 0)))
399 (let ((result (alien-funcall
401 (function ,ret-type ,@arg-types))
403 (declare (ignorable result))
406 ;;; This is like SYSCALL, but if it fails, signal an error instead of
407 ;;; returning error codes. Should only be used for syscalls that will
408 ;;; never really get an error.
409 (defmacro syscall* ((name &rest arg-types) success-form &rest args)
410 (with-funcname (sname name)
412 (declare (optimize (sb!c::float-accuracy 0)))
413 (let ((result (alien-funcall
414 (extern-alien ,sname (function bool ,@arg-types))
417 (win32-error ,sname))
420 (defmacro with-sysfun ((func name ret-type &rest arg-types) &body body)
421 (with-funcname (sname name)
422 `(with-alien ((,func (function ,ret-type ,@arg-types)
426 (defmacro void-syscall* ((name &rest arg-types) &rest args)
427 `(syscall* (,name ,@arg-types) (values t 0) ,@args))
429 (defun get-last-error-message (err)
430 "http://msdn.microsoft.com/library/default.asp?url=/library/en-us/debug/base/retrieving_the_last_error_code.asp"
431 (with-alien ((amsg (* char)))
432 (syscall (("FormatMessage" 28 t)
433 dword dword dword dword dword (* (* char)) dword dword)
434 (cast-and-free amsg :free-function local-free)
435 (logior FORMAT_MESSAGE_ALLOCATE_BUFFER FORMAT_MESSAGE_FROM_SYSTEM)
436 0 err 0 (addr amsg) 0 0)))
438 (defmacro win32-error (func-name &optional err)
439 `(let ((err-code ,(or err `(get-last-error))))
440 (declare (type (unsigned-byte 32) err-code))
441 (error "~%Win32 Error [~A] - ~A~%~A"
444 (get-last-error-message err-code))))
446 (defun get-folder-namestring (csidl)
447 "http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/reference/functions/shgetfolderpath.asp"
448 (with-alien ((apath (* char) (make-system-buffer (1+ max_path))))
449 (syscall (("SHGetFolderPath" 20 t) int handle int handle dword (* char))
450 (concatenate 'string (cast-and-free apath) "\\")
453 (defun get-folder-pathname (csidl)
454 (parse-native-namestring (get-folder-namestring csidl)))
456 (defun sb!unix:posix-getcwd ()
457 (with-alien ((apath (* char) (make-system-buffer (1+ max_path))))
458 (with-sysfun (afunc ("GetCurrentDirectory" 8 t) dword dword (* char))
459 (let ((ret (alien-funcall afunc (1+ max_path) apath)))
461 (win32-error "GetCurrentDirectory"))
462 (when (> ret (1+ max_path))
464 (setf apath (make-system-buffer ret))
465 (alien-funcall afunc ret apath))
466 (cast-and-free apath)))))
468 (defun sb!unix:unix-mkdir (name mode)
469 (declare (type sb!unix:unix-pathname name)
470 (type sb!unix:unix-file-mode mode)
472 (void-syscall* (("CreateDirectory" 8 t) system-string dword) name 0))
474 (defun sb!unix:unix-rename (name1 name2)
475 (declare (type sb!unix:unix-pathname name1 name2))
476 (void-syscall* (("MoveFile" 8 t) system-string system-string) name1 name2))
478 (defun sb!unix::posix-getenv (name)
479 (declare (type simple-string name))
480 (with-alien ((aenv (* char) (make-system-buffer default-environment-length)))
481 (with-sysfun (afunc ("GetEnvironmentVariable" 12 t)
482 dword system-string (* char) dword)
483 (let ((ret (alien-funcall afunc name aenv default-environment-length)))
484 (when (> ret default-environment-length)
486 (setf aenv (make-system-buffer ret))
487 (alien-funcall afunc name aenv ret))
490 (free-alien aenv))))))
492 ;; GET-CURRENT-PROCESS
493 ;; The GetCurrentProcess function retrieves a pseudo handle for the current
496 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/getcurrentprocess.asp
497 (declaim (inline get-current-process))
498 (define-alien-routine ("GetCurrentProcess@0" get-current-process) handle)
500 ;;;; Process time information
502 (defconstant 100ns-per-internal-time-unit
503 (/ 10000000 sb!xc:internal-time-units-per-second))
506 ;; The FILETIME structure is a 64-bit value representing the number of
507 ;; 100-nanosecond intervals since January 1, 1601 (UTC).
509 ;; http://msdn.microsoft.com/library/en-us/sysinfo/base/filetime_str.asp?
510 (define-alien-type FILETIME (sb!alien:unsigned 64))
512 (defmacro with-process-times ((creation-time exit-time kernel-time user-time)
514 `(with-alien ((,creation-time filetime)
515 (,exit-time filetime)
516 (,kernel-time filetime)
517 (,user-time filetime))
518 (syscall* (("GetProcessTimes" 20) handle (* filetime) (* filetime)
519 (* filetime) (* filetime))
521 (get-current-process)
522 (addr ,creation-time)
527 (declaim (inline system-internal-real-time))
530 (declare (unsigned-byte epoch))
531 ;; FIXME: For optimization ideas see the unix implementation.
532 (defun reinit-internal-real-time ()
534 epoch (get-internal-real-time)))
535 (defun get-internal-real-time ()
536 (- (with-alien ((system-time filetime))
537 (syscall (("GetSystemTimeAsFileTime" 4) void (* filetime))
538 (values (floor system-time 100ns-per-internal-time-unit))
542 (defun system-internal-run-time ()
543 (with-process-times (creation-time exit-time kernel-time user-time)
544 (values (floor (+ user-time kernel-time) 100ns-per-internal-time-unit))))
546 (define-alien-type hword (unsigned 16))
548 (define-alien-type systemtime
557 (millisecond hword)))
559 ;; Obtained with, but the XC can't deal with that -- but
560 ;; it's not like the value is ever going to change...
561 ;; (with-alien ((filetime filetime)
562 ;; (epoch systemtime))
563 ;; (setf (slot epoch 'year) 1970
564 ;; (slot epoch 'month) 1
565 ;; (slot epoch 'day) 1
566 ;; (slot epoch 'hour) 0
567 ;; (slot epoch 'minute) 0
568 ;; (slot epoch 'second) 0
569 ;; (slot epoch 'millisecond) 0)
570 ;; (syscall (("SystemTimeToFileTime" 8) void
571 ;; (* systemtime) (* filetime))
575 (defconstant +unix-epoch-filetime+ 116444736000000000)
578 (declaim (inline get-time-of-day))
579 (defun get-time-of-day ()
580 "Return the number of seconds and microseconds since the beginning of the
581 UNIX epoch: January 1st 1970."
582 (with-alien ((system-time filetime))
583 (syscall (("GetSystemTimeAsFileTime" 4) void (* filetime))
584 (multiple-value-bind (sec 100ns)
585 (floor (- system-time +unix-epoch-filetime+)
586 (* 100ns-per-internal-time-unit
587 internal-time-units-per-second))
588 (values sec (floor 100ns 10)))
589 (addr system-time))))
592 ;; The SetEnvironmentVariable function sets the contents of the specified
593 ;; environment variable for the current process.
595 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/setenvironmentvariable.asp
596 (defun setenv (name value)
597 (declare (type simple-string name value))
598 (void-syscall* (("SetEnvironmentVariable" 8 t) system-string system-string)
601 (defmacro c-sizeof (s)
602 "translate alien size (in bits) to c-size (in bytes)"
603 `(/ (alien-size ,s) 8))
606 ;; The OSVERSIONINFO data structure contains operating system version
607 ;; information. The information includes major and minor version numbers,
608 ;; a build number, a platform identifier, and descriptive text about
609 ;; the operating system. This structure is used with the GetVersionEx function.
611 ;; http://msdn.microsoft.com/library/en-us/sysinfo/base/osversioninfo_str.asp
612 (define-alien-type nil
613 (struct OSVERSIONINFO
614 (dwOSVersionInfoSize dword)
615 (dwMajorVersion dword)
616 (dwMinorVersion dword)
617 (dwBuildNumber dword)
619 (szCSDVersion (array char #!-sb-unicode 128 #!+sb-unicode 256))))
621 (defun get-version-ex ()
622 (with-alien ((info (struct OSVERSIONINFO)))
623 (setf (slot info 'dwOSVersionInfoSize) (c-sizeof (struct OSVERSIONINFO)))
624 (syscall* (("GetVersionEx" 4 t) (* (struct OSVERSIONINFO)))
625 (values (slot info 'dwMajorVersion)
626 (slot info 'dwMinorVersion)
627 (slot info 'dwBuildNumber)
628 (slot info 'dwPlatformId)
629 (cast (slot info 'szCSDVersion) system-string))
633 ;; The GetComputerName function retrieves the NetBIOS name of the local
634 ;; computer. This name is established at system startup, when the system
635 ;; reads it from the registry.
637 ;; http://msdn.microsoft.com/library/en-us/sysinfo/base/getcomputername.asp
638 (declaim (ftype (function () simple-string) get-computer-name))
639 (defun get-computer-name ()
640 (with-alien ((aname (* char) (make-system-buffer (1+ MAX_COMPUTERNAME_LENGTH)))
641 (length dword (1+ MAX_COMPUTERNAME_LENGTH)))
642 (with-sysfun (afunc ("GetComputerName" 8 t) bool (* char) (* dword))
643 (when (zerop (alien-funcall afunc aname (addr length)))
644 (let ((err (get-last-error)))
645 (unless (= err ERROR_BUFFER_OVERFLOW)
646 (win32-error "GetComputerName" err))
648 (setf aname (make-system-buffer length))
649 (alien-funcall afunc aname (addr length))))
650 (cast-and-free aname))))
652 ;; File mapping support routines
653 (define-alien-routine (#!+sb-unicode "CreateFileMappingW"
654 #!-sb-unicode "CreateFileMappingA"
658 (security-attributes (* t))
660 (maximum-size-high dword)
661 (maximum-size-low dword)
662 (name (c-string #!+sb-unicode #!+sb-unicode :external-format :ucs-2)))
664 (define-alien-routine ("MapViewOfFile" map-view-of-file)
666 (file-mapping handle)
667 (desired-access dword)
672 (define-alien-routine ("UnmapViewOfFile" unmap-view-of-file) bool
675 (define-alien-routine ("FlushViewOfFile" flush-view-of-file) bool
679 ;; Constants for CreateFile `disposition'.
680 (defconstant file-create-new 1)
681 (defconstant file-create-always 2)
682 (defconstant file-open-existing 3)
683 (defconstant file-open-always 4)
684 (defconstant file-truncate-existing 5)
687 (defconstant access-generic-read #x80000000)
688 (defconstant access-generic-write #x40000000)
689 (defconstant access-generic-execute #x20000000)
690 (defconstant access-generic-all #x10000000)
691 (defconstant access-file-append-data #x4)
694 (defconstant file-share-delete #x04)
695 (defconstant file-share-read #x01)
696 (defconstant file-share-write #x02)
698 ;; CreateFile (the real file-opening workhorse)
699 (define-alien-routine (#!+sb-unicode "CreateFileW"
700 #!-sb-unicode "CreateFileA"
703 (name (c-string #!+sb-unicode #!+sb-unicode :external-format :ucs-2))
704 (desired-access dword)
706 (security-attributes (* t))
707 (creation-disposition dword)
708 (flags-and-attributes dword)
709 (template-file handle))
711 (defconstant file-attribute-readonly #x1)
712 (defconstant file-attribute-hidden #x2)
713 (defconstant file-attribute-system #x4)
714 (defconstant file-attribute-directory #x10)
715 (defconstant file-attribute-archive #x20)
716 (defconstant file-attribute-device #x40)
717 (defconstant file-attribute-normal #x80)
718 (defconstant file-attribute-temporary #x100)
719 (defconstant file-attribute-sparse #x200)
720 (defconstant file-attribute-reparse-point #x400)
721 (defconstant file-attribute-reparse-compressed #x800)
722 (defconstant file-attribute-reparse-offline #x1000)
723 (defconstant file-attribute-not-content-indexed #x2000)
724 (defconstant file-attribute-encrypted #x4000)
726 (defconstant file-flag-overlapped #x40000000)
728 ;; GetFileAttribute is like a tiny subset of fstat(),
729 ;; enough to distinguish directories from anything else.
730 (define-alien-routine (#!+sb-unicode "GetFileAttributesW"
731 #!-sb-unicode "GetFileAttributesA"
734 (name (c-string #!+sb-unicode #!+sb-unicode :external-format :ucs-2)))
736 (define-alien-routine ("CloseHandle" close-handle) bool