1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
|
""" External functions accessing the win32 api.
Common types, functions from core win32 libraries, such as kernel32
"""
import os
import errno
from rpython.rlib.rposix_environ import make_env_impls
from rpython.rtyper.tool import rffi_platform
from rpython.tool.udir import udir
from rpython.translator.tool.cbuild import ExternalCompilationInfo
from rpython.translator.platform import CompilationError
from rpython.translator import cdir
from rpython.rtyper.lltypesystem import lltype, rffi
from rpython.rlib.rutf8 import codepoints_in_utf8
from rpython.rlib.rarithmetic import intmask, r_longlong, widen
from rpython.rlib import jit
# This module can be imported on any platform,
# but most symbols are not usable...
WIN32 = os.name == "nt"
srcdir = os.path.join(os.path.dirname(__file__), 'src')
if WIN32:
eci = ExternalCompilationInfo(
includes = ['windows.h', 'stdio.h', 'stdlib.h', 'io.h', 'winhelpers.h'],
include_dirs = [srcdir, cdir],
libraries = ['kernel32', 'Advapi32'],
separate_module_files = [os.path.join(srcdir, "winhelpers.c")],
)
def external(name, args, result, compilation_info=eci, **kwds):
return rffi.llexternal(name, args, result,
compilation_info=compilation_info, **kwds)
else:
eci = ExternalCompilationInfo()
class CConfig:
_compilation_info_ = eci
if WIN32:
DWORD_PTR = rffi_platform.SimpleType("DWORD_PTR", rffi.UNSIGNED)
WORD = rffi_platform.SimpleType("WORD", rffi.USHORT)
DWORD = rffi_platform.SimpleType("DWORD", rffi.UINT)
BOOL = rffi_platform.SimpleType("BOOL", rffi.LONG)
BYTE = rffi_platform.SimpleType("BYTE", rffi.UCHAR)
WCHAR = rffi_platform.SimpleType("WCHAR", rffi.UCHAR)
INT = rffi_platform.SimpleType("INT", rffi.INT)
LONG = rffi_platform.SimpleType("LONG", rffi.LONG)
PLONG = rffi_platform.SimpleType("PLONG", rffi.LONGP)
LPVOID = rffi_platform.SimpleType("LPVOID", rffi.INTP)
LPCVOID = rffi_platform.SimpleType("LPCVOID", rffi.VOIDP)
LPSTR = rffi_platform.SimpleType("LPSTR", rffi.CCHARP)
LPCSTR = rffi_platform.SimpleType("LPCSTR", rffi.CCHARP)
LPWSTR = rffi_platform.SimpleType("LPWSTR", rffi.CWCHARP)
LPCWSTR = rffi_platform.SimpleType("LPCWSTR", rffi.CWCHARP)
LPDWORD = rffi_platform.SimpleType("LPDWORD", rffi.UINTP)
LPWORD = rffi_platform.SimpleType("LPWORD", rffi.USHORTP)
LPBOOL = rffi_platform.SimpleType("LPBOOL", rffi.LONGP)
LPBYTE = rffi_platform.SimpleType("LPBYTE", rffi.UCHARP)
SIZE_T = rffi_platform.SimpleType("SIZE_T", rffi.SIZE_T)
ULONG_PTR = rffi_platform.SimpleType("ULONG_PTR", rffi.UNSIGNED)
HRESULT = rffi_platform.SimpleType("HRESULT", rffi.LONG)
HLOCAL = rffi_platform.SimpleType("HLOCAL", rffi.VOIDP)
FILETIME = rffi_platform.Struct('FILETIME',
[('dwLowDateTime', rffi.UINT),
('dwHighDateTime', rffi.UINT)])
SYSTEMTIME = rffi_platform.Struct('SYSTEMTIME',
[])
Struct = rffi_platform.Struct
COORD = Struct("COORD",
[("X", rffi.SHORT),
("Y", rffi.SHORT)])
SMALL_RECT = Struct("SMALL_RECT",
[("Left", rffi.SHORT),
("Top", rffi.SHORT),
("Right", rffi.SHORT),
("Bottom", rffi.SHORT)])
CONSOLE_SCREEN_BUFFER_INFO = Struct("CONSOLE_SCREEN_BUFFER_INFO",
[("dwSize", COORD),
("dwCursorPosition", COORD),
("wAttributes", WORD.ctype_hint),
("srWindow", SMALL_RECT),
("dwMaximumWindowSize", COORD)])
OSVERSIONINFOEX = rffi_platform.Struct(
'OSVERSIONINFOEX',
[('dwOSVersionInfoSize', rffi.UINT),
('dwMajorVersion', rffi.UINT),
('dwMinorVersion', rffi.UINT),
('dwBuildNumber', rffi.UINT),
('dwPlatformId', rffi.UINT),
('szCSDVersion', rffi.CFixedArray(lltype.Char, 1)),
('wServicePackMajor', rffi.USHORT),
('wServicePackMinor', rffi.USHORT),
('wSuiteMask', rffi.USHORT),
('wProductType', rffi.UCHAR),
])
LPSECURITY_ATTRIBUTES = rffi_platform.SimpleType(
"LPSECURITY_ATTRIBUTES", rffi.CCHARP)
DEFAULT_LANGUAGE = rffi_platform.ConstantInteger(
"MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT)")
defines = """FORMAT_MESSAGE_ALLOCATE_BUFFER FORMAT_MESSAGE_FROM_SYSTEM
MAX_PATH _MAX_ENV FORMAT_MESSAGE_IGNORE_INSERTS
WAIT_OBJECT_0 WAIT_TIMEOUT INFINITE WAIT_FAILED
ERROR_INVALID_HANDLE
DELETE READ_CONTROL SYNCHRONIZE WRITE_DAC
WRITE_OWNER PROCESS_ALL_ACCESS
PROCESS_CREATE_PROCESS PROCESS_CREATE_THREAD
PROCESS_DUP_HANDLE PROCESS_QUERY_INFORMATION
PROCESS_SET_QUOTA
PROCESS_SUSPEND_RESUME PROCESS_TERMINATE
PROCESS_VM_OPERATION PROCESS_VM_READ
PROCESS_VM_WRITE
CTRL_C_EVENT CTRL_BREAK_EVENT
MB_ERR_INVALID_CHARS ERROR_NO_UNICODE_TRANSLATION
WC_NO_BEST_FIT_CHARS STD_INPUT_HANDLE STD_OUTPUT_HANDLE
STD_ERROR_HANDLE HANDLE_FLAG_INHERIT FILE_TYPE_CHAR
LOAD_WITH_ALTERED_SEARCH_PATH CT_CTYPE3 C3_HIGHSURROGATE
CP_ACP CP_UTF8 CP_UTF7 CP_OEMCP MB_ERR_INVALID_CHARS
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS SEM_FAILCRITICALERRORS
LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR ENABLE_VIRTUAL_TERMINAL_PROCESSING
_Py_MAXIMUM_REPARSE_DATA_BUFFER_SIZE
"""
from rpython.translator.platform import host_factory
static_platform = host_factory()
if static_platform.name == 'msvc':
defines += ' PROCESS_QUERY_LIMITED_INFORMATION'
for name in defines.split():
locals()[name] = rffi_platform.ConstantInteger(name)
for k, v in rffi_platform.configure(CConfig).items():
globals()[k] = v
def winexternal(name, args, result, **kwds):
return rffi.llexternal(name, args, result, compilation_info=eci,
calling_conv='win', **kwds)
if WIN32:
HANDLE = rffi.COpaquePtr(typedef='HANDLE')
assert rffi.cast(HANDLE, -1) == rffi.cast(HANDLE, -1)
LPHANDLE = rffi.CArrayPtr(HANDLE)
HMODULE = HANDLE
NULL_HANDLE = rffi.cast(HANDLE, 0)
INVALID_HANDLE_VALUE = rffi.cast(HANDLE, -1)
GENERIC_READ = rffi.cast(DWORD, r_longlong(0x80000000))
GENERIC_WRITE = rffi.cast(DWORD, r_longlong(0x40000000))
GENERIC_EXECUTE = rffi.cast(DWORD, r_longlong(0x20000000))
GENERIC_ALL = rffi.cast(DWORD, r_longlong(0x10000000))
FILE_SHARE_READ = rffi.cast(DWORD, r_longlong(0x00000001))
FILE_SHARE_WRITE = rffi.cast(DWORD, r_longlong(0x00000002))
ALL_READ_WRITE = rffi.cast(DWORD, r_longlong(0xC0000003))
SHARE_READ_WRITE = rffi.cast(DWORD, r_longlong(0x00000003))
PFILETIME = rffi.CArrayPtr(FILETIME)
_GetLastError = winexternal('GetLastError', [], DWORD,
_nowrapper=True, sandboxsafe=True)
_SetLastError = winexternal('SetLastError', [DWORD], lltype.Void,
_nowrapper=True, sandboxsafe=True)
def GetLastError_saved():
"""Return the value of the "saved LastError".
The C-level GetLastError() is saved there after a call to a C
function, if that C function was declared with the flag
llexternal(..., save_err=rffi.RFFI_SAVE_LASTERROR).
Functions without that flag don't change the saved LastError.
Alternatively, if the function was declared RFFI_SAVE_WSALASTERROR,
then the value of the C-level WSAGetLastError() is saved instead
(into the same "saved LastError" variable).
"""
from rpython.rlib import rthread
# extra cast to LONG to match CPython behaviour
lasterror = rffi.cast(rffi.LONG, rthread.tlfield_rpy_lasterror.getraw())
return rffi.cast(lltype.Signed, lasterror)
def SetLastError_saved(err):
"""Set the value of the saved LastError. This value will be used in
a call to the C-level SetLastError() just before calling the
following C function, provided it was declared
llexternal(..., save_err=RFFI_READSAVED_LASTERROR).
"""
from rpython.rlib import rthread
rthread.tlfield_rpy_lasterror.setraw(rffi.cast(DWORD, err))
def GetLastError_alt_saved():
"""Return the value of the "saved alt LastError".
The C-level GetLastError() is saved there after a call to a C
function, if that C function was declared with the flag
llexternal(..., save_err=RFFI_SAVE_LASTERROR | RFFI_ALT_ERRNO).
Functions without that flag don't change the saved LastError.
Alternatively, if the function was declared
RFFI_SAVE_WSALASTERROR | RFFI_ALT_ERRNO,
then the value of the C-level WSAGetLastError() is saved instead
(into the same "saved alt LastError" variable).
"""
from rpython.rlib import rthread
# extra cast to LONG to match CPython behaviour
lasterror = rffi.cast(rffi.LONG, rthread.tlfield_alt_lasterror.getraw())
return rffi.cast(lltype.Signed, lasterror)
def SetLastError_alt_saved(err):
"""Set the value of the saved alt LastError. This value will be used in
a call to the C-level SetLastError() just before calling the
following C function, provided it was declared
llexternal(..., save_err=RFFI_READSAVED_LASTERROR | RFFI_ALT_ERRNO).
"""
from rpython.rlib import rthread
rthread.tlfield_alt_lasterror.setraw(rffi.cast(DWORD, err))
# In tests, the first call to _GetLastError() is always wrong,
# because error is hidden by operations in ll2ctypes. Call it now.
_GetLastError()
GetModuleHandle = winexternal('GetModuleHandleA', [rffi.CCHARP], HMODULE)
LoadLibrary = winexternal('LoadLibraryA', [rffi.CCHARP], HMODULE,
save_err=rffi.RFFI_SAVE_LASTERROR)
def wrap_loadlibraryex(func):
def loadlibrary(name, flags):
# Requires a full path name with '/' -> '\\'
return func(name, NULL_HANDLE, flags)
return loadlibrary
_LoadLibraryExA = winexternal('LoadLibraryExA',
[rffi.CCHARP, HANDLE, DWORD], HMODULE,
save_err=rffi.RFFI_SAVE_LASTERROR)
LoadLibraryExA = wrap_loadlibraryex(_LoadLibraryExA)
LoadLibraryW = winexternal('LoadLibraryW', [rffi.CWCHARP], HMODULE,
save_err=rffi.RFFI_SAVE_LASTERROR)
_LoadLibraryExW = winexternal('LoadLibraryExW',
[rffi.CWCHARP, HANDLE, DWORD], HMODULE,
save_err=rffi.RFFI_SAVE_LASTERROR)
LoadLibraryExW = wrap_loadlibraryex(_LoadLibraryExW)
GetProcAddress = winexternal('GetProcAddress',
[HMODULE, rffi.CCHARP],
rffi.VOIDP)
FreeLibrary = winexternal('FreeLibrary', [HMODULE], BOOL, releasegil=False)
LocalFree = winexternal('LocalFree', [HLOCAL], HLOCAL)
CloseHandle = winexternal('CloseHandle', [HANDLE], BOOL, releasegil=False,
save_err=rffi.RFFI_SAVE_LASTERROR)
CloseHandle_no_err = winexternal('CloseHandle', [HANDLE], BOOL,
releasegil=False)
FormatMessage = winexternal(
'FormatMessageA',
[DWORD, rffi.VOIDP, DWORD, DWORD, rffi.CCHARP, DWORD, rffi.VOIDP],
DWORD)
FormatMessageW = winexternal(
'FormatMessageW',
[DWORD, rffi.VOIDP, DWORD, DWORD, rffi.CWCHARP, DWORD, rffi.VOIDP],
DWORD)
_get_osfhandle = rffi.llexternal('_get_osfhandle', [rffi.INT], rffi.INTP)
def get_osfhandle(fd):
from rpython.rlib.rposix import SuppressIPH
with SuppressIPH():
handle = rffi.cast(HANDLE, _get_osfhandle(fd))
if handle == INVALID_HANDLE_VALUE:
raise WindowsError(ERROR_INVALID_HANDLE, "Invalid file handle")
return handle
_open_osfhandle = rffi.llexternal('_open_osfhandle', [rffi.INTP, rffi.INT], rffi.INT)
def open_osfhandle(handle, flags):
from rpython.rlib.rposix import SuppressIPH
fd = _open_osfhandle(handle, flags)
with SuppressIPH():
return fd
wcsncpy_s = rffi.llexternal('wcsncpy_s',
[rffi.CWCHARP, rffi.SIZE_T, rffi.CWCHARP, rffi.SIZE_T], rffi.INT)
def build_winerror_to_errno():
"""Build a dictionary mapping windows error numbers to POSIX errno.
The function returns the dict, and the default value for codes not
in the dict."""
# Prior to Visual Studio 8, the MSVCRT dll doesn't export the
# _dosmaperr() function, which is available only when compiled
# against the static CRT library. After Visual Studio 9, this
# private function seems to be gone, so use a static map, from
# CPython PC/errmap.h
errors = {
2: 2, 3: 2, 4: 24, 5: 13, 6: 9, 7: 12, 8: 12, 9: 12, 10: 7,
11: 8, 15: 2, 16: 13, 17: 18, 18: 2, 19: 13, 20: 13, 21: 13,
22: 13, 23: 13, 24: 13, 25: 13, 26: 13, 27: 13, 28: 13,
29: 13, 30: 13, 31: 13, 32: 13, 33: 13, 34: 13, 35: 13,
36: 13, 53: 2, 65: 13, 67: 2, 80: 17, 82: 13, 83: 13, 89: 11,
108: 13, 109: 32, 112: 28, 114: 9, 128: 10, 129: 10, 130: 9,
132: 13, 145: 41, 158: 13, 161: 2, 164: 11, 167: 13, 183: 17,
188: 8, 189: 8, 190: 8, 191: 8, 192: 8, 193: 8, 194: 8,
195: 8, 196: 8, 197: 8, 198: 8, 199: 8, 200: 8, 201: 8,
202: 8, 206: 2, 215: 11, 232: 32, 267: 20, 1816: 12,
}
return errors, errno.EINVAL
# A bit like strerror...
def FormatError(code):
return llimpl_FormatError(code)
def FormatErrorW(code):
"""
returns utf8, n_codepoints
"""
return llimpl_FormatErrorW(code)
def llimpl_FormatError(code):
"Return a message corresponding to the given Windows error code."
buf = lltype.malloc(rffi.CCHARPP.TO, 1, flavor='raw')
buf[0] = lltype.nullptr(rffi.CCHARP.TO)
try:
msglen = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
None,
rffi.cast(DWORD, code),
DEFAULT_LANGUAGE,
rffi.cast(rffi.CCHARP, buf),
0, None)
buflen = intmask(msglen)
# remove trailing cr/lf and dots
s_buf = buf[0]
while buflen > 0 and (s_buf[buflen - 1] <= ' ' or
s_buf[buflen - 1] == '.'):
buflen -= 1
if buflen <= 0:
result = 'Windows Error %d' % (code,)
else:
result = rffi.charpsize2str(s_buf, buflen)
finally:
LocalFree(rffi.cast(rffi.VOIDP, buf[0]))
lltype.free(buf, flavor='raw')
return result
def llimpl_FormatErrorW(code):
"Return a utf8-encoded msg and its length"
buf = lltype.malloc(rffi.CWCHARPP.TO, 1, flavor='raw')
buf[0] = lltype.nullptr(rffi.CWCHARP.TO)
try:
msglen = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
None,
rffi.cast(DWORD, code),
DEFAULT_LANGUAGE,
rffi.cast(rffi.CWCHARP, buf),
0, None)
buflen = intmask(msglen)
# remove trailing cr/lf and dots
s_buf = buf[0]
while buflen > 0 and (ord(s_buf[buflen - 1]) <= ord(' ') or
s_buf[buflen - 1] == u'.'):
buflen -= 1
if buflen <= 0:
msg = 'Windows Error %d' % (code,)
result = msg, len(msg)
else:
result = rffi.wcharpsize2utf8(s_buf, buflen), buflen
finally:
LocalFree(rffi.cast(rffi.VOIDP, buf[0]))
lltype.free(buf, flavor='raw')
return result
def lastSavedWindowsError(context="Windows Error"):
code = GetLastError_saved()
return WindowsError(code, context)
def FAILED(hr):
# XXX convert to int before checking result
# because 32-bit arithmetic is unimplemented on win64
# this is fine since HRESULT is defined as (signed) LONG
return int(rffi.cast(HRESULT, hr)) < 0
_GetModuleFileName = winexternal('GetModuleFileNameA',
[HMODULE, rffi.CCHARP, DWORD],
DWORD)
def GetModuleFileName(module):
size = MAX_PATH
buf = lltype.malloc(rffi.CCHARP.TO, size, flavor='raw')
try:
res = _GetModuleFileName(module, buf, size)
if not res:
return ''
else:
return ''.join([buf[i] for i in range(res)])
finally:
lltype.free(buf, flavor='raw')
_GetVersionEx = winexternal('GetVersionExA',
[lltype.Ptr(OSVERSIONINFOEX)],
DWORD,
save_err=rffi.RFFI_SAVE_LASTERROR)
@jit.dont_look_inside
def GetVersionEx():
info = lltype.malloc(OSVERSIONINFOEX, flavor='raw')
rffi.setintfield(info, 'c_dwOSVersionInfoSize',
rffi.sizeof(OSVERSIONINFOEX))
try:
if not _GetVersionEx(info):
raise lastSavedWindowsError()
return (rffi.cast(lltype.Signed, info.c_dwMajorVersion),
rffi.cast(lltype.Signed, info.c_dwMinorVersion),
rffi.cast(lltype.Signed, info.c_dwBuildNumber),
rffi.cast(lltype.Signed, info.c_dwPlatformId),
rffi.charp2str(rffi.cast(rffi.CCHARP,
info.c_szCSDVersion)),
rffi.cast(lltype.Signed, info.c_wServicePackMajor),
rffi.cast(lltype.Signed, info.c_wServicePackMinor),
rffi.cast(lltype.Signed, info.c_wSuiteMask),
rffi.cast(lltype.Signed, info.c_wProductType))
finally:
lltype.free(info, flavor='raw')
_WaitForSingleObject = winexternal(
'WaitForSingleObject', [HANDLE, DWORD], DWORD,
save_err=rffi.RFFI_SAVE_LASTERROR)
def WaitForSingleObject(handle, timeout):
"""Return values:
- WAIT_OBJECT_0 when the object is signaled
- WAIT_TIMEOUT when the timeout elapsed"""
res = _WaitForSingleObject(handle, timeout)
if res == rffi.cast(DWORD, -1):
raise lastSavedWindowsError("WaitForSingleObject")
return res
_WaitForMultipleObjects = winexternal(
'WaitForMultipleObjects', [
DWORD, rffi.CArrayPtr(HANDLE), BOOL, DWORD], DWORD,
save_err=rffi.RFFI_SAVE_LASTERROR)
def WaitForMultipleObjects(handles, waitall=False, timeout=INFINITE):
"""Return values:
- WAIT_OBJECT_0 + index when an object is signaled
- WAIT_TIMEOUT when the timeout elapsed"""
nb = len(handles)
handle_array = lltype.malloc(rffi.CArrayPtr(HANDLE).TO, nb,
flavor='raw')
try:
for i in range(nb):
handle_array[i] = handles[i]
res = _WaitForMultipleObjects(nb, handle_array, waitall, timeout)
if res == rffi.cast(DWORD, -1):
raise lastSavedWindowsError("WaitForMultipleObjects")
return res
finally:
lltype.free(handle_array, flavor='raw')
_CreateEvent = winexternal(
'CreateEventA', [rffi.VOIDP, BOOL, BOOL, LPCSTR], HANDLE,
save_err=rffi.RFFI_SAVE_LASTERROR)
def CreateEvent(*args):
handle = _CreateEvent(*args)
if handle == NULL_HANDLE:
raise lastSavedWindowsError("CreateEvent")
return handle
SetEvent = winexternal(
'SetEvent', [HANDLE], BOOL)
ResetEvent = winexternal(
'ResetEvent', [HANDLE], BOOL)
_OpenProcess = winexternal(
'OpenProcess', [DWORD, BOOL, DWORD], HANDLE,
save_err=rffi.RFFI_SAVE_LASTERROR)
def OpenProcess(*args):
''' OpenProcess( dwDesiredAccess, bInheritHandle, dwProcessId)
where dwDesiredAccess is a combination of the flags:
DELETE (0x00010000L)
READ_CONTROL (0x00020000L)
SYNCHRONIZE (0x00100000L)
WRITE_DAC (0x00040000L)
WRITE_OWNER (0x00080000L)
PROCESS_ALL_ACCESS
PROCESS_CREATE_PROCESS (0x0080)
PROCESS_CREATE_THREAD (0x0002)
PROCESS_DUP_HANDLE (0x0040)
PROCESS_QUERY_INFORMATION (0x0400)
PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
PROCESS_SET_QUOTA (0x0100)
PROCESS_SUSPEND_RESUME (0x0800)
PROCESS_TERMINATE (0x0001)
PROCESS_VM_OPERATION (0x0008)
PROCESS_VM_READ (0x0010)
PROCESS_VM_WRITE (0x0020)
SYNCHRONIZE (0x00100000L)
'''
handle = _OpenProcess(*args)
if handle == NULL_HANDLE:
raise lastSavedWindowsError("OpenProcess")
return handle
TerminateProcess = winexternal(
'TerminateProcess', [HANDLE, rffi.UINT], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
GenerateConsoleCtrlEvent = winexternal(
'GenerateConsoleCtrlEvent', [DWORD, DWORD], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
_GetCurrentProcessId = winexternal(
'GetCurrentProcessId', [], DWORD)
def GetCurrentProcessId():
return rffi.cast(lltype.Signed, _GetCurrentProcessId())
_GetConsoleCP = winexternal('GetConsoleCP', [], DWORD)
_GetConsoleOutputCP = winexternal('GetConsoleOutputCP', [], DWORD)
def GetConsoleCP():
return rffi.cast(lltype.Signed, _GetConsoleCP())
def GetConsoleOutputCP():
return rffi.cast(lltype.Signed, _GetConsoleOutputCP())
_wenviron_items, _wgetenv, _wputenv = make_env_impls(win32=True)
_GetStdHandle = winexternal(
'GetStdHandle', [DWORD], HANDLE)
def GetStdHandle(handle_id):
return _GetStdHandle(handle_id)
CONSOLE_SCREEN_BUFFER_INFO_P = lltype.Ptr(CONSOLE_SCREEN_BUFFER_INFO)
GetConsoleScreenBufferInfo = winexternal(
"GetConsoleScreenBufferInfo", [HANDLE, CONSOLE_SCREEN_BUFFER_INFO_P], BOOL)
_GetHandleInformation = winexternal(
'GetHandleInformation', [HANDLE, LPDWORD], BOOL)
_SetHandleInformation = winexternal(
'SetHandleInformation', [HANDLE, DWORD, DWORD], BOOL)
def set_inheritable(fd, inheritable):
handle = get_osfhandle(fd)
set_handle_inheritable(handle, inheritable)
def set_handle_inheritable(handle, inheritable):
assert lltype.typeOf(handle) is HANDLE
if inheritable:
flags = HANDLE_FLAG_INHERIT
else:
flags = 0
if not _SetHandleInformation(handle, HANDLE_FLAG_INHERIT, flags):
raise lastSavedWindowsError("SetHandleInformation")
def get_inheritable(fd):
handle = get_osfhandle(fd)
return get_handle_inheritable(handle)
def get_handle_inheritable(handle):
assert lltype.typeOf(handle) is HANDLE
pflags = lltype.malloc(LPDWORD.TO, 1, flavor='raw')
try:
if not _GetHandleInformation(handle, pflags):
raise lastSavedWindowsError("GetHandleInformation")
flags = widen(pflags[0])
finally:
lltype.free(pflags, flavor='raw')
return (flags & HANDLE_FLAG_INHERIT) != 0
_GetFileType = winexternal('GetFileType', [HANDLE], DWORD)
def c_dup_noninheritable(fd1):
from rpython.rlib.rposix import c_dup
ftype = _GetFileType(get_osfhandle(fd1))
fd2 = c_dup(fd1) # the inheritable version
if fd2 >= 0 and ftype != FILE_TYPE_CHAR:
try:
set_inheritable(fd2, False)
except:
os.close(fd2)
raise
return fd2
def c_dup2_noninheritable(fd1, fd2):
from rpython.rlib.rposix import c_dup2
ftype = _GetFileType(get_osfhandle(fd1))
res = c_dup2(fd1, fd2) # the inheritable version
if res >= 0 and ftype != FILE_TYPE_CHAR:
try:
set_inheritable(fd2, False)
except:
os.close(fd2)
raise
return res
GetConsoleMode = winexternal(
'GetConsoleMode', [HANDLE, LPDWORD], BOOL)
GetNumberOfConsoleInputEvents = winexternal(
'GetNumberOfConsoleInputEvents', [HANDLE, LPDWORD], BOOL)
ERROR_INSUFFICIENT_BUFFER = 122
ERROR_OPERATION_ABORTED = 995
CP_UTF8 = 65001
ReadConsoleW = winexternal(
'ReadConsoleW', [HANDLE, LPWSTR, DWORD, LPDWORD, LPVOID], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
WriteConsoleW = winexternal(
'WriteConsoleW', [HANDLE, LPVOID, DWORD, LPDWORD, LPVOID], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
GetStringTypeW = winexternal(
'GetStringTypeW', [DWORD, rffi.CWCHARP, rffi.INT, LPWORD], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
_SetEnvironmentVariableW = winexternal(
'SetEnvironmentVariableW', [LPWSTR, LPWSTR], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
def DelEnvironmentVariableW(name):
with rffi.scoped_utf82wcharp(name) as nameWbuf:
valueWbuf = lltype.nullptr(rffi.CWCHARP.TO)
return _SetEnvironmentVariableW(nameWbuf, valueWbuf)
_AddDllDirectory = winexternal('AddDllDirectory', [LPWSTR], rffi.VOIDP,
save_err=rffi.RFFI_SAVE_LASTERROR)
def AddDllDirectory(path, length):
with rffi.scoped_utf82wcharp(path, length) as pathW:
return _AddDllDirectory(pathW)
RemoveDllDirectory = winexternal('RemoveDllDirectory', [rffi.VOIDP], BOOL,
save_err=rffi.RFFI_SAVE_LASTERROR)
# Don't save the err since this is called before checking err in rdynload
SetErrorMode = winexternal('SetErrorMode', [rffi.UINT], rffi.UINT)
# int os_readlink_impl(wchar_t *path_to_check, char * reparse_data_buffer,
# wchar_t **result);
# returns the number of wchar_t chars in result, -1 if error, for a given
# path_to_check. The result pointer will be somewhere inside the pre-allocated
# reparse_data_buffer, which should be of length _Py_MAXIMUM_REPARSE_DATA_BUFFER_SIZE
os_readlink_impl = winexternal("os_readlink_impl",
[rffi.CWCHARP, rffi.VOIDP, rffi.CWCHARPP], rffi.INT,
save_err=rffi.RFFI_SAVE_LASTERROR)
os_symlink_impl = winexternal("os_symlink_impl",
[rffi.CWCHARP, rffi.CWCHARP, rffi.INT], rffi.INT,
save_err=rffi.RFFI_SAVE_LASTERROR)
os_unlink_impl = winexternal("os_unlink_impl", [rffi.CWCHARP], rffi.INT,
save_err=rffi.RFFI_SAVE_LASTERROR)
GetUserNameW = winexternal('GetUserNameW', [LPWSTR, LPDWORD], rffi.INT,
save_err=rffi.RFFI_SAVE_LASTERROR)
def getlogin():
UNLEN = 256 # from lmcons.h
with lltype.scoped_alloc(LPWSTR.TO, UNLEN) as user_name:
num_chars = lltype.malloc(LPDWORD.TO, 1, flavor='raw')
try:
num_chars[0] = rffi.cast(DWORD, UNLEN)
n = GetUserNameW(user_name, num_chars)
if n == -1:
error = GetLastError_saved()
raise WindowsError(error, "getlogin failed")
utf8, codepoints = rffi.wcharp2utf8n(user_name,
widen(num_chars[0]))
return utf8
finally:
lltype.free(num_chars, flavor="raw")
BOOLP = lltype.Ptr(lltype.Array(BOOL, hints={'nolength': True}))
MultiByteToWideChar = rffi.llexternal('MultiByteToWideChar',
[rffi.UINT, DWORD,
LPCSTR, rffi.INT,
rffi.CWCHARP, rffi.INT],
rffi.INT,
calling_conv='win',
save_err=rffi.RFFI_SAVE_LASTERROR)
WideCharToMultiByte = rffi.llexternal('WideCharToMultiByte',
[rffi.UINT, DWORD,
rffi.CWCHARP, rffi.INT,
LPCSTR, rffi.INT,
LPCSTR, BOOLP],
rffi.INT,
calling_conv='win',
save_err=rffi.RFFI_SAVE_LASTERROR)
os_createdirectory_impl = winexternal("os_createdirectory_impl",
[rffi.CWCHARP, rffi.INT_real],
rffi.INT,
save_err=rffi.RFFI_SAVE_LASTERROR)
|