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Merge 3.4 (asyncio)

This commit is contained in:
Victor Stinner 2015-01-26 22:31:03 +01:00
parent 5474d0ba19 41063d2a59
commit c27a8afcb0
2 changed files with 32 additions and 29 deletions
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49
Lib/asyncio/windows_events.py
View File

@ -126,14 +126,12 @@ class _BaseWaitHandleFuture(futures.Future):
return
self._registered = False
try:
_overlapped.UnregisterWait(self._wait_handle)
except OSError as exc:
wait_handle = self._wait_handle
self._wait_handle = None
if exc.winerror == _overlapped.ERROR_IO_PENDING:
# ERROR_IO_PENDING is not an error, the wait was unregistered
self._unregister_wait_cb(None)
elif exc.winerror != _overlapped.ERROR_IO_PENDING:
try:
_overlapped.UnregisterWait(wait_handle)
except OSError as exc:
if exc.winerror != _overlapped.ERROR_IO_PENDING:
context = {
'message': 'Failed to unregister the wait handle',
'exception': exc,
@ -142,8 +140,9 @@ class _BaseWaitHandleFuture(futures.Future):
if self._source_traceback:
context['source_traceback'] = self._source_traceback
self._loop.call_exception_handler(context)
else:
self._wait_handle = None
return
# ERROR_IO_PENDING means that the unregister is pending
self._unregister_wait_cb(None)
def cancel(self):
@ -209,14 +208,12 @@ class _WaitHandleFuture(_BaseWaitHandleFuture):
return
self._registered = False
try:
_overlapped.UnregisterWaitEx(self._wait_handle, self._event)
except OSError as exc:
wait_handle = self._wait_handle
self._wait_handle = None
if exc.winerror == _overlapped.ERROR_IO_PENDING:
# ERROR_IO_PENDING is not an error, the wait was unregistered
self._unregister_wait_cb(None)
elif exc.winerror != _overlapped.ERROR_IO_PENDING:
try:
_overlapped.UnregisterWaitEx(wait_handle, self._event)
except OSError as exc:
if exc.winerror != _overlapped.ERROR_IO_PENDING:
context = {
'message': 'Failed to unregister the wait handle',
'exception': exc,
@ -225,10 +222,10 @@ class _WaitHandleFuture(_BaseWaitHandleFuture):
if self._source_traceback:
context['source_traceback'] = self._source_traceback
self._loop.call_exception_handler(context)
else:
self._wait_handle = None
self._event_fut = self._proactor._wait_cancel(
self._event,
return
# ERROR_IO_PENDING is not an error, the wait was unregistered
self._event_fut = self._proactor._wait_cancel(self._event,
self._unregister_wait_cb)
@ -409,13 +406,21 @@ class IocpProactor:
self._results = []
return tmp
def _result(self, value):
fut = futures.Future(loop=self._loop)
fut.set_result(value)
return fut
def recv(self, conn, nbytes, flags=0):
self._register_with_iocp(conn)
ov = _overlapped.Overlapped(NULL)
try:
if isinstance(conn, socket.socket):
ov.WSARecv(conn.fileno(), nbytes, flags)
else:
ov.ReadFile(conn.fileno(), nbytes)
except BrokenPipeError:
return self._result(b'')
def finish_recv(trans, key, ov):
try:
@ -508,9 +513,7 @@ class IocpProactor:
# ConnectNamePipe() failed with ERROR_PIPE_CONNECTED which means
# that the pipe is connected. There is no need to wait for the
# completion of the connection.
f = futures.Future(loop=self._loop)
f.set_result(pipe)
return f
return self._result(pipe)
def finish_accept_pipe(trans, key, ov):
ov.getresult()

4
Modules/overlapped.c
View File

@ -730,7 +730,7 @@ Overlapped_ReadFile(OverlappedObject *self, PyObject *args)
switch (err) {
case ERROR_BROKEN_PIPE:
mark_as_completed(&self->overlapped);
Py_RETURN_NONE;
return SetFromWindowsErr(err);
case ERROR_SUCCESS:
case ERROR_MORE_DATA:
case ERROR_IO_PENDING:
@ -789,7 +789,7 @@ Overlapped_WSARecv(OverlappedObject *self, PyObject *args)
switch (err) {
case ERROR_BROKEN_PIPE:
mark_as_completed(&self->overlapped);
Py_RETURN_NONE;
return SetFromWindowsErr(err);
case ERROR_SUCCESS:
case ERROR_MORE_DATA:
case ERROR_IO_PENDING: