def w_parseKeyUsage(space, pCertCtx, flags):
with lltype.scoped_alloc(rwin32.LPDWORD.TO, 1) as size_ptr:
if not CertGetEnhancedKeyUsage(pCertCtx, flags,
lltype.nullptr(CERT_ENHKEY_USAGE), size_ptr):
last_error = rwin32.lastSavedWindowsError()
if last_error.winerror == CRYPT_E_NOT_FOUND:
return space.w_True
raise wrap_windowserror(space, last_error)
size = intmask(size_ptr[0])
with lltype.scoped_alloc(rffi.CCHARP.TO, size) as buf:
usage = rffi.cast(PCERT_ENHKEY_USAGE, buf)
# Now get the actual enhanced usage property
if not CertGetEnhancedKeyUsage(pCertCtx, flags, usage, size_ptr):
last_error= rwin32.lastSavedWindowsError()
if last_error.winerror == CRYPT_E_NOT_FOUND:
return space.w_True
raise wrap_windowserror(space, last_error)
result_w = [None] * usage.c_cUsageIdentifier
for i in range(usage.c_cUsageIdentifier):
if not usage.c_rgpszUsageIdentifier[i]:
continue
result_w[i] = space.wrap(rffi.charp2str(
usage.c_rgpszUsageIdentifier[i]))
return space.newset(result_w)
def enum_crls_w(space, store_name):
"""enum_crls(store_name) -> []
Retrieve CRLs from Windows' cert store. store_name may be one of
'CA', 'ROOT' or 'MY'. The system may provide more cert storages, too.
The function returns a list of (bytes, encoding_type) tuples. The
encoding_type flag can be interpreted with X509_ASN_ENCODING or
PKCS_7_ASN_ENCODING."""
result_w = []
pCrlCtx = lltype.nullptr(CRL_CONTEXT)
hStore = CertOpenSystemStore(None, store_name)
if not hStore:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
try:
while True:
pCrlCtx = CertEnumCRLsInStore(hStore, pCrlCtx)
if not pCrlCtx:
break
w_crl = space.wrapbytes(
rffi.charpsize2str(pCrlCtx.c_pbCrlEncoded,
intmask(pCrlCtx.c_cbCrlEncoded)))
w_enc = w_certEncodingType(space, pCrlCtx.c_dwCertEncodingType)
result_w.append(space.newtuple([w_crl, w_enc]))
except:
raise
finally:
if pCrlCtx:
# loop ended with an error, need to clean up context manually
CertFreeCRLContext(pCrlCtx)
if not CertCloseStore(hStore, 0):
# This error case might shadow another exception.
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return space.newlist(result_w)
def w_parseKeyUsage(space, pCertCtx, flags):
with lltype.scoped_alloc(rwin32.LPDWORD.TO, 1) as size_ptr:
if not CertGetEnhancedKeyUsage(
pCertCtx, flags, lltype.nullptr(CERT_ENHKEY_USAGE), size_ptr):
last_error = rwin32.lastSavedWindowsError()
if last_error.winerror == CRYPT_E_NOT_FOUND:
return space.w_True
raise wrap_windowserror(space, last_error)
size = intmask(size_ptr[0])
with lltype.scoped_alloc(rffi.CCHARP.TO, size) as buf:
usage = rffi.cast(PCERT_ENHKEY_USAGE, buf)
# Now get the actual enhanced usage property
if not CertGetEnhancedKeyUsage(pCertCtx, flags, usage, size_ptr):
last_error = rwin32.lastSavedWindowsError()
if last_error.winerror == CRYPT_E_NOT_FOUND:
return space.w_True
raise wrap_windowserror(space, last_error)
result_w = [None] * usage.c_cUsageIdentifier
for i in range(usage.c_cUsageIdentifier):
if not usage.c_rgpszUsageIdentifier[i]:
continue
result_w[i] = space.wrap(
rffi.charp2str(usage.c_rgpszUsageIdentifier[i]))
return space.newset(result_w)
def enum_crls_w(space, store_name):
"""enum_crls(store_name) -> []
Retrieve CRLs from Windows' cert store. store_name may be one of
'CA', 'ROOT' or 'MY'. The system may provide more cert storages, too.
The function returns a list of (bytes, encoding_type) tuples. The
encoding_type flag can be interpreted with X509_ASN_ENCODING or
PKCS_7_ASN_ENCODING."""
result_w = []
pCrlCtx = lltype.nullptr(CRL_CONTEXT)
hStore = CertOpenSystemStore(None, store_name)
if not hStore:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
try:
while True:
pCrlCtx = CertEnumCRLsInStore(hStore, pCrlCtx)
if not pCrlCtx:
break
w_crl = space.newbytes(
rffi.charpsize2str(pCrlCtx.c_pbCrlEncoded,
intmask(pCrlCtx.c_cbCrlEncoded)))
w_enc = w_certEncodingType(space, pCrlCtx.c_dwCertEncodingType)
result_w.append(space.newtuple([w_crl, w_enc]))
except:
raise
finally:
if pCrlCtx:
# loop ended with an error, need to clean up context manually
CertFreeCRLContext(pCrlCtx)
if not CertCloseStore(hStore, 0):
# This error case might shadow another exception.
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return space.newlist(result_w)
def do_poll(self, space, timeout):
from pypy.module._multiprocessing.interp_win32 import (
_PeekNamedPipe, _GetTickCount, _Sleep)
from rpython.rlib import rwin32
from pypy.interpreter.error import wrap_windowserror
bytes_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO, 1,
flavor='raw')
try:
if not _PeekNamedPipe(self.handle, rffi.NULL, 0,
lltype.nullptr(rwin32.LPDWORD.TO),
bytes_ptr,
lltype.nullptr(rwin32.LPDWORD.TO)):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
bytes = bytes_ptr[0]
finally:
lltype.free(bytes_ptr, flavor='raw')
if timeout == 0.0:
return bytes > 0
block = timeout < 0
if not block:
# XXX does not check for overflow
deadline = intmask(_GetTickCount()) + int(1000 * timeout + 0.5)
else:
deadline = 0
_Sleep(0)
delay = 1
while True:
bytes_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO, 1,
flavor='raw')
try:
if not _PeekNamedPipe(self.handle, rffi.NULL, 0,
lltype.nullptr(rwin32.LPDWORD.TO),
bytes_ptr,
lltype.nullptr(rwin32.LPDWORD.TO)):
raise wrap_windowserror(space,
rwin32.lastSavedWindowsError())
bytes = bytes_ptr[0]
finally:
lltype.free(bytes_ptr, flavor='raw')
if bytes > 0:
return True
if not block:
now = intmask(_GetTickCount())
if now > deadline:
return False
diff = deadline - now
if delay > diff:
delay = diff
else:
delay += 1
if delay >= 20:
delay = 20
_Sleep(delay)
def startup(self, space):
# Initialize the event handle used to signal Ctrl-C
try:
globalState.interrupt_event = rwin32.CreateEvent(
rffi.NULL, True, False, rffi.NULL)
except WindowsError as e:
raise wrap_windowserror(space, e)
if not _setCtrlHandlerRoutine(globalState.interrupt_event):
raise wrap_windowserror(space,
rwin32.lastSavedWindowsError("SetConsoleCtrlHandler"))
def do_recv_string(self, space, buflength, maxlength):
from pypy.module._multiprocessing.interp_win32 import (
_ReadFile,
_PeekNamedPipe,
ERROR_BROKEN_PIPE,
ERROR_MORE_DATA,
)
from pypy.rlib import rwin32
from pypy.interpreter.error import wrap_windowserror
read_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO, 1, flavor="raw")
left_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO, 1, flavor="raw")
try:
result = _ReadFile(self.handle, self.buffer, min(self.BUFFER_SIZE, buflength), read_ptr, rffi.NULL)
if result:
return read_ptr[0], lltype.nullptr(rffi.CCHARP.TO)
err = rwin32.GetLastError()
if err == ERROR_BROKEN_PIPE:
raise OperationError(space.w_EOFError, space.w_None)
elif err != ERROR_MORE_DATA:
raise wrap_windowserror(space, WindowsError(err, "_ReadFile"))
# More data...
if not _PeekNamedPipe(
self.handle,
rffi.NULL,
0,
lltype.nullptr(rwin32.LPDWORD.TO),
lltype.nullptr(rwin32.LPDWORD.TO),
left_ptr,
):
raise wrap_windowserror(space, rwin32.lastWindowsError())
length = intmask(read_ptr[0] + left_ptr[0])
if length > maxlength: # bad message, close connection
self.flags &= ~READABLE
if self.flags == 0:
self.close()
raise OperationError(space.w_IOError, space.wrap("bad message length"))
newbuf = lltype.malloc(rffi.CCHARP.TO, length + 1, flavor="raw")
for i in range(read_ptr[0]):
newbuf[i] = self.buffer[i]
result = _ReadFile(self.handle, rffi.ptradd(newbuf, read_ptr[0]), left_ptr[0], read_ptr, rffi.NULL)
if not result:
rffi.free_charp(newbuf)
raise wrap_windowserror(space, rwin32.lastWindowsError())
assert read_ptr[0] == left_ptr[0]
return length, newbuf
finally:
lltype.free(read_ptr, flavor="raw")
lltype.free(left_ptr, flavor="raw")
def do_recv_string(self, space, buflength, maxlength):
from _multiprocess.interp_win32 import (_ReadFile, _PeekNamedPipe,
ERROR_BROKEN_PIPE,
ERROR_MORE_DATA)
from rpython.rlib import rwin32
from pypy.interpreter.error import wrap_windowserror
read_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO,
1,
flavor='raw')
left_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO,
1,
flavor='raw')
try:
result = _ReadFile(self.handle, self.buffer,
min(self.BUFFER_SIZE, buflength), read_ptr,
rffi.NULL)
if result:
return intmask(read_ptr[0]), lltype.nullptr(rffi.CCHARP.TO)
err = rwin32.GetLastError_saved()
if err == ERROR_BROKEN_PIPE:
raise OperationError(space.w_EOFError, space.w_None)
elif err != ERROR_MORE_DATA:
raise wrap_windowserror(space, WindowsError(err, "_ReadFile"))
# More data...
if not _PeekNamedPipe(self.handle, rffi.NULL, 0,
lltype.nullptr(rwin32.LPDWORD.TO),
lltype.nullptr(rwin32.LPDWORD.TO), left_ptr):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
length = intmask(read_ptr[0]) + intmask(left_ptr[0])
if length > maxlength: # bad message, close connection
self.flags &= ~READABLE
if self.flags == 0:
self.close()
raise oefmt(space.w_IOError, "bad message length")
newbuf = lltype.malloc(rffi.CCHARP.TO, length + 1, flavor='raw')
length_read = intmask(read_ptr[0])
for i in range(length_read):
newbuf[i] = self.buffer[i]
result = _ReadFile(self.handle, rffi.ptradd(newbuf, length_read),
left_ptr[0], read_ptr, rffi.NULL)
if not result:
rffi.free_charp(newbuf)
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
assert r_uint(read_ptr[0]) == r_uint(left_ptr[0])
return length, newbuf
finally:
lltype.free(read_ptr, flavor='raw')
lltype.free(left_ptr, flavor='raw')
def startup(self, space):
# Initialize the event handle used to signal Ctrl-C
try:
globalState.interrupt_event = rwin32.CreateEvent(
rffi.NULL, True, False, rffi.NULL)
except WindowsError as e:
raise wrap_windowserror(space, e)
if not _setCtrlHandlerRoutine(globalState.interrupt_event):
raise wrap_windowserror(
space,
rwin32.lastSavedWindowsError("SetConsoleCtrlHandler"))
def startup(self, space):
# Initialize the event handle used to signal Ctrl-C
try:
globalState.interrupt_event = rwin32.CreateEvent(
rffi.NULL, True, False, rffi.NULL)
except WindowsError, e:
raise wrap_windowserror(space, e)
def ConnectNamedPipe(space, w_handle, w_overlapped):
handle = handle_w(space, w_handle)
overlapped = space.int_w(w_overlapped)
if overlapped:
raise oefmt(space.w_NotImplementedError, "expected a NULL pointer")
if not _ConnectNamedPipe(handle, rffi.NULL):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
def ConnectNamedPipe(space, w_handle, w_overlapped):
handle = handle_w(space, w_handle)
overlapped = space.int_w(w_overlapped)
if overlapped:
raise OperationError(space.w_NotImplementedError, space.wrap("expected a NULL pointer"))
if not _ConnectNamedPipe(handle, rffi.NULL):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
def startup(self, space):
# Initialize the event handle used to signal Ctrl-C
try:
globalState.interrupt_event = rwin32.CreateEvent(
rffi.NULL, True, False, rffi.NULL)
except WindowsError, e:
raise wrap_windowserror(space, e)
def ExpandEnvironmentStrings(space, w_source):
"string = ExpandEnvironmentStrings(string) - Expand environment vars."
try:
source, source_ulen = space.utf8_len_w(w_source)
res, res_ulen = rwinreg.ExpandEnvironmentStrings(source, source_ulen)
return space.newutf8(res, res_ulen)
except WindowsError as e:
raise wrap_windowserror(space, e)
def CreateNamedPipe(space, name, openmode, pipemode, maxinstances, outputsize, inputsize, timeout, w_security):
security = space.int_w(w_security)
if security:
raise OperationError(space.w_NotImplementedError, space.wrap("expected a NULL pointer"))
handle = _CreateNamedPipe(name, openmode, pipemode, maxinstances, outputsize, inputsize, timeout, rffi.NULL)
if handle == rwin32.INVALID_HANDLE_VALUE:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return w_handle(space, handle)
def enum_certificates_w(space, store_name):
"""enum_certificates(store_name) -> []
Retrieve certificates from Windows' cert store. store_name may be one of
'CA', 'ROOT' or 'MY'. The system may provide more cert storages, too.
The function returns a list of (bytes, encoding_type, trust) tuples. The
encoding_type flag can be interpreted with X509_ASN_ENCODING or
PKCS_7_ASN_ENCODING. The trust setting is either a set of OIDs or the
boolean True."""
result_w = []
pCertCtx = lltype.nullptr(CERT_CONTEXT)
hStore = CertOpenSystemStore(None, store_name)
if not hStore:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
try:
while True:
pCertCtx = CertEnumCertificatesInStore(hStore, pCertCtx)
if not pCertCtx:
break
w_cert = space.newbytes(
rffi.charpsize2str(pCertCtx.c_pbCertEncoded,
intmask(pCertCtx.c_cbCertEncoded)))
w_enc = w_certEncodingType(space, pCertCtx.c_dwCertEncodingType)
w_keyusage = w_parseKeyUsage(
space, pCertCtx, CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG)
if space.is_w(w_keyusage, space.w_True):
w_keyusage = w_parseKeyUsage(
space, pCertCtx, CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG)
result_w.append(space.newtuple([w_cert, w_enc, w_keyusage]))
except:
raise
finally:
if pCertCtx:
# loop ended with an error, need to clean up context manually
CertFreeCertificateContext(pCertCtx)
if not CertCloseStore(hStore, 0):
# This error case might shadow another exception.
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return space.newlist(result_w)
def enum_certificates_w(space, store_name):
"""enum_certificates(store_name) -> []
Retrieve certificates from Windows' cert store. store_name may be one of
'CA', 'ROOT' or 'MY'. The system may provide more cert storages, too.
The function returns a list of (bytes, encoding_type, trust) tuples. The
encoding_type flag can be interpreted with X509_ASN_ENCODING or
PKCS_7_ASN_ENCODING. The trust setting is either a set of OIDs or the
boolean True."""
result_w = []
pCertCtx = lltype.nullptr(CERT_CONTEXT)
hStore = CertOpenSystemStore(None, store_name)
if not hStore:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
try:
while True:
pCertCtx = CertEnumCertificatesInStore(hStore, pCertCtx)
if not pCertCtx:
break
w_cert = space.wrapbytes(
rffi.charpsize2str(pCertCtx.c_pbCertEncoded,
intmask(pCertCtx.c_cbCertEncoded)))
w_enc = w_certEncodingType(space, pCertCtx.c_dwCertEncodingType)
w_keyusage = w_parseKeyUsage(
space, pCertCtx, CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG)
if space.is_w(w_keyusage, space.w_True):
w_keyusage = w_parseKeyUsage(
space, pCertCtx, CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG)
result_w.append(space.newtuple([w_cert, w_enc, w_keyusage]))
except:
raise
finally:
if pCertCtx:
# loop ended with an error, need to clean up context manually
CertFreeCertificateContext(pCertCtx)
if not CertCloseStore(hStore, 0):
# This error case might shadow another exception.
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return space.newlist(result_w)
def CreateNamedPipe(space, name, openmode, pipemode, maxinstances, outputsize,
inputsize, timeout, w_security):
security = space.int_w(w_security)
if security:
raise oefmt(space.w_NotImplementedError, "expected a NULL pointer")
handle = _CreateNamedPipe(name, openmode, pipemode, maxinstances,
outputsize, inputsize, timeout, rffi.NULL)
if handle == rwin32.INVALID_HANDLE_VALUE:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return w_handle(space, handle)
def CreateFile(space, filename, access, share, w_security, disposition, flags, w_templatefile):
security = space.int_w(w_security)
templatefile = space.int_w(w_templatefile)
if security or templatefile:
raise OperationError(space.w_NotImplementedError, space.wrap("expected a NULL pointer"))
handle = _CreateFile(filename, access, share, rffi.NULL, disposition, flags, rwin32.NULL_HANDLE)
if handle == rwin32.INVALID_HANDLE_VALUE:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return w_handle(space, handle)
def CreateFile(space, filename, access, share, w_security, disposition, flags,
w_templatefile):
security = space.int_w(w_security)
templatefile = space.int_w(w_templatefile)
if security or templatefile:
raise oefmt(space.w_NotImplementedError, "expected a NULL pointer")
handle = _CreateFile(filename, access, share, rffi.NULL, disposition,
flags, rwin32.NULL_HANDLE)
if handle == rwin32.INVALID_HANDLE_VALUE:
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
return w_handle(space, handle)
class GlobalState:
def __init__(self):
self.init()
def init(self):
self.interrupt_event = rwin32.NULL_HANDLE
def startup(self, space):
# Initialize the event handle used to signal Ctrl-C
try:
globalState.interrupt_event = rwin32.CreateEvent(
rffi.NULL, True, False, rffi.NULL)
except WindowsError, e:
raise wrap_windowserror(space, e)
if not _setCtrlHandlerRoutine(globalState.interrupt_event):
raise wrap_windowserror(
space, rwin32.lastWindowsError("SetConsoleCtrlHandler"))
def SetNamedPipeHandleState(space, w_handle, w_pipemode, w_maxinstances, w_timeout):
handle = handle_w(space, w_handle)
state = lltype.malloc(rffi.CArrayPtr(rffi.UINT).TO, 3, flavor="raw")
statep = lltype.malloc(rffi.CArrayPtr(rffi.UINTP).TO, 3, flavor="raw", zero=True)
try:
if not space.is_w(w_pipemode, space.w_None):
state[0] = space.uint_w(w_pipemode)
statep[0] = rffi.ptradd(state, 0)
if not space.is_w(w_maxinstances, space.w_None):
state[1] = space.uint_w(w_maxinstances)
statep[1] = rffi.ptradd(state, 1)
if not space.is_w(w_timeout, space.w_None):
state[2] = space.uint_w(w_timeout)
statep[2] = rffi.ptradd(state, 2)
if not _SetNamedPipeHandleState(handle, statep[0], statep[1], statep[2]):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
finally:
lltype.free(state, flavor="raw")
lltype.free(statep, flavor="raw")
def SetNamedPipeHandleState(space, w_handle, w_pipemode, w_maxinstances, w_timeout):
handle = handle_w(space, w_handle)
state = lltype.malloc(rffi.CArrayPtr(rffi.UINT).TO, 3, flavor='raw')
statep = lltype.malloc(rffi.CArrayPtr(rffi.UINTP).TO, 3, flavor='raw', zero=True)
try:
if not space.is_w(w_pipemode, space.w_None):
state[0] = space.uint_w(w_pipemode)
statep[0] = rffi.ptradd(state, 0)
if not space.is_w(w_maxinstances, space.w_None):
state[1] = space.uint_w(w_maxinstances)
statep[1] = rffi.ptradd(state, 1)
if not space.is_w(w_timeout, space.w_None):
state[2] = space.uint_w(w_timeout)
statep[2] = rffi.ptradd(state, 2)
if not _SetNamedPipeHandleState(handle, statep[0], statep[1], statep[2]):
raise wrap_windowserror(space, rwin32.lastWindowsError())
finally:
lltype.free(state, flavor='raw')
lltype.free(statep, flavor='raw')
def ExpandEnvironmentStrings(space, source):
"string = ExpandEnvironmentStrings(string) - Expand environment vars."
try:
return space.wrap(rwinreg.ExpandEnvironmentStrings(source))
except WindowsError, e:
raise wrap_windowserror(space, e)
def CloseHandle(space, w_handle):
handle = handle_w(space, w_handle)
if not rwin32.CloseHandle(handle):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
def WaitNamedPipe(space, name, timeout):
# Careful: zero means "default value specified by CreateNamedPipe()"
if not _WaitNamedPipe(name, timeout):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
def do_poll(self, space, timeout):
from pypy.module._multiprocessing.interp_win32 import (_PeekNamedPipe,
_GetTickCount,
_Sleep)
from rpython.rlib import rwin32
from pypy.interpreter.error import wrap_windowserror
bytes_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO,
1,
flavor='raw')
try:
if not _PeekNamedPipe(self.handle, rffi.NULL, 0,
lltype.nullptr(rwin32.LPDWORD.TO), bytes_ptr,
lltype.nullptr(rwin32.LPDWORD.TO)):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
bytes = bytes_ptr[0]
finally:
lltype.free(bytes_ptr, flavor='raw')
if timeout == 0.0:
return bytes > 0
block = timeout < 0
if not block:
# XXX does not check for overflow
deadline = intmask(_GetTickCount()) + int(1000 * timeout + 0.5)
else:
deadline = 0
_Sleep(0)
delay = 1
while True:
bytes_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO,
1,
flavor='raw')
try:
if not _PeekNamedPipe(self.handle, rffi.NULL, 0,
lltype.nullptr(rwin32.LPDWORD.TO),
bytes_ptr,
lltype.nullptr(rwin32.LPDWORD.TO)):
raise wrap_windowserror(space,
rwin32.lastSavedWindowsError())
bytes = bytes_ptr[0]
finally:
lltype.free(bytes_ptr, flavor='raw')
if bytes > 0:
return True
if not block:
now = intmask(_GetTickCount())
if now > deadline:
return False
diff = deadline - now
if delay > diff:
delay = diff
else:
delay += 1
if delay >= 20:
delay = 20
_Sleep(delay)
def CloseHandle(space, w_handle):
handle = handle_w(space, w_handle)
if not rwin32.CloseHandle(handle):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
def ExpandEnvironmentStrings(space, source):
"string = ExpandEnvironmentStrings(string) - Expand environment vars."
try:
return space.newunicode(rwinreg.ExpandEnvironmentStrings(source))
except WindowsError as e:
raise wrap_windowserror(space, e)
def WaitNamedPipe(space, name, timeout):
# Careful: zero means "default value specified by CreateNamedPipe()"
if not _WaitNamedPipe(name, timeout):
raise wrap_windowserror(space, rwin32.lastSavedWindowsError())
