def method_put_bytes(self, space, start, string, str_offset, nbytes):
with rffi.scoped_view_charp(string) as cstring:
rffi.c_memcpy(
rffi.ptradd(self.ptr, start),
rffi.cast(rffi.VOIDP, rffi.ptradd(cstring, str_offset)),
nbytes
)
def do_send_string(self, space, buf, offset, size):
from pypy.module._multiprocessing.interp_win32 import (
_WriteFile, ERROR_NO_SYSTEM_RESOURCES)
from rpython.rlib import rwin32
with rffi.scoped_view_charp(buf) as charp:
written_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO,
1,
flavor='raw')
try:
result = _WriteFile(self.handle, rffi.ptradd(charp, offset),
size, written_ptr, rffi.NULL)
if (result == 0 and rwin32.GetLastError_saved()
== ERROR_NO_SYSTEM_RESOURCES):
raise oefmt(space.w_ValueError,
"Cannot send %d bytes over connection", size)
finally:
lltype.free(written_ptr, flavor='raw')
def do_send_string(self, space, buf, offset, size):
from pypy.module._multiprocessing.interp_win32 import (
_WriteFile, ERROR_NO_SYSTEM_RESOURCES)
from rpython.rlib import rwin32
with rffi.scoped_view_charp(buf) as charp:
written_ptr = lltype.malloc(rffi.CArrayPtr(rwin32.DWORD).TO, 1,
flavor='raw')
try:
result = _WriteFile(
self.handle, rffi.ptradd(charp, offset),
size, written_ptr, rffi.NULL)
if (result == 0 and
rwin32.GetLastError_saved() == ERROR_NO_SYSTEM_RESOURCES):
raise oefmt(space.w_ValueError,
"Cannot send %d bytes over connection", size)
finally:
lltype.free(written_ptr, flavor='raw')
def initialize_from_env():
# This uses the same algorithms as CPython 3.5. The environment
# variable we read also defaults to "PYTHONHASHSEED". If needed,
# a different RPython interpreter can patch the value of the
# global variable 'env_var_name', or just patch the whole
# initialize_from_env() function.
value = os.environ.get(env_var_name)
if value and value != "random":
with rffi.scoped_view_charp(value) as ptr:
with lltype.scoped_alloc(rffi.CCHARPP.TO, 1) as endptr:
endptr[0] = ptr
seed = strtoul(ptr, endptr, 10)
full = endptr[0][0] == '\x00'
seed = lltype.cast_primitive(lltype.Unsigned, seed)
if not full or seed > r_uint(4294967295) or (
rposix.get_saved_errno() == errno.ERANGE
and seed == lltype.cast_primitive(lltype.Unsigned,
rffi.cast(rffi.ULONG, -1))):
os.write(
2, "%s must be \"random\" or an integer "
"in range [0; 4294967295]\n" % (env_var_name, ))
os._exit(1)
if not seed:
# disable the randomized hash
s = '\x00' * 16
else:
s = lcg_urandom(seed)
else:
try:
s = rurandom.urandom(random_ctx, 16)
except Exception as e:
os.write(
2, "%s: failed to get random numbers to initialize Python\n" %
(str(e), ))
os._exit(1)
raise # makes the annotator happy
select_random_seed(s)
def parse_c_type(info, input):
with rffi.scoped_view_charp(input) as p_input:
res = ll_parse_c_type(info, p_input)
return rffi.cast(lltype.Signed, res)
def search_in_struct_unions(ctx, name):
with rffi.scoped_view_charp(name) as c_name:
result = ll_search_in_struct_unions(ctx, c_name,
rffi.cast(rffi.SIZE_T, len(name)))
return rffi.cast(lltype.Signed, result)
def c_charp2stdstring(space, pystr, sz):
with rffi.scoped_view_charp(pystr) as cstr:
cppstr = _c_charp2stdstring(cstr, sz)
return cppstr
def ask_question(string):
with rffi.scoped_view_charp(string) as charp:
res = __llask_question(charp)
return res == 1
return True
def parse_c_type(info, input):
with rffi.scoped_view_charp(input) as p_input:
res = ll_parse_c_type(info, p_input)
return rffi.cast(lltype.Signed, res)
def search_in_struct_unions(ctx, name):
with rffi.scoped_view_charp(name) as c_name:
result = ll_search_in_struct_unions(ctx, c_name, rffi.cast(rffi.SIZE_T, len(name)))
return rffi.cast(lltype.Signed, result)
def method_put_bytes(self, space, start, string, str_offset, nbytes):
with rffi.scoped_view_charp(string) as cstring:
rffi.c_memcpy(
rffi.ptradd(self.ptr, start),
rffi.cast(rffi.VOIDP, rffi.ptradd(cstring, str_offset)),
nbytes)
def ask_question(string):
with rffi.scoped_view_charp(string) as charp:
res = __llask_question(charp)
return res == 1
return True
