Python _winapi.ERROR_IO_PENDING Examples

The following are 13 code examples of _winapi.ERROR_IO_PENDING(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module _winapi , or try the search function .
Example #1
Source File: test_windows_utils.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def test_pipe_overlapped(self):
        h1, h2 = windows_utils.pipe(overlapped=(True, True))
        try:
            ov1 = _overlapped.Overlapped()
            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, 0)

            ov1.ReadFile(h1, 100)
            self.assertTrue(ov1.pending)
            self.assertEqual(ov1.error, _winapi.ERROR_IO_PENDING)
            ERROR_IO_INCOMPLETE = 996
            try:
                ov1.getresult()
            except OSError as e:
                self.assertEqual(e.winerror, ERROR_IO_INCOMPLETE)
            else:
                raise RuntimeError('expected ERROR_IO_INCOMPLETE')

            ov2 = _overlapped.Overlapped()
            self.assertFalse(ov2.pending)
            self.assertEqual(ov2.error, 0)

            ov2.WriteFile(h2, b"hello")
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})

            res = _winapi.WaitForMultipleObjects([ov2.event], False, 100)
            self.assertEqual(res, _winapi.WAIT_OBJECT_0)

            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, ERROR_IO_INCOMPLETE)
            self.assertFalse(ov2.pending)
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})
            self.assertEqual(ov1.getresult(), b"hello")
        finally:
            _winapi.CloseHandle(h1)
            _winapi.CloseHandle(h2) 
Example #2
Source File: connection.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def _send_bytes(self, buf):
            ov, err = _winapi.WriteFile(self._handle, buf, overlapped=True)
            try:
                if err == _winapi.ERROR_IO_PENDING:
                    waitres = _winapi.WaitForMultipleObjects(
                        [ov.event], False, INFINITE)
                    assert waitres == WAIT_OBJECT_0
            except:
                ov.cancel()
                raise
            finally:
                nwritten, err = ov.GetOverlappedResult(True)
            assert err == 0
            assert nwritten == len(buf) 
Example #3
Source File: connection.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up
def _recv_bytes(self, maxsize=None):
            if self._got_empty_message:
                self._got_empty_message = False
                return io.BytesIO()
            else:
                bsize = 128 if maxsize is None else min(maxsize, 128)
                try:
                    ov, err = _winapi.ReadFile(self._handle, bsize,
                                                overlapped=True)
                    try:
                        if err == _winapi.ERROR_IO_PENDING:
                            waitres = _winapi.WaitForMultipleObjects(
                                [ov.event], False, INFINITE)
                            assert waitres == WAIT_OBJECT_0
                    except:
                        ov.cancel()
                        raise
                    finally:
                        nread, err = ov.GetOverlappedResult(True)
                        if err == 0:
                            f = io.BytesIO()
                            f.write(ov.getbuffer())
                            return f
                        elif err == _winapi.ERROR_MORE_DATA:
                            return self._get_more_data(ov, maxsize)
                except OSError as e:
                    if e.winerror == _winapi.ERROR_BROKEN_PIPE:
                        raise EOFError
                    else:
                        raise
            raise RuntimeError("shouldn't get here; expected KeyboardInterrupt") 
Example #4
Source File: connection.py    From Imogen with MIT License 5 votes vote down vote up
def _send_bytes(self, buf):
            ov, err = _winapi.WriteFile(self._handle, buf, overlapped=True)
            try:
                if err == _winapi.ERROR_IO_PENDING:
                    waitres = _winapi.WaitForMultipleObjects(
                        [ov.event], False, INFINITE)
                    assert waitres == WAIT_OBJECT_0
            except:
                ov.cancel()
                raise
            finally:
                nwritten, err = ov.GetOverlappedResult(True)
            assert err == 0
            assert nwritten == len(buf) 
Example #5
Source File: connection.py    From Imogen with MIT License 5 votes vote down vote up
def _recv_bytes(self, maxsize=None):
            if self._got_empty_message:
                self._got_empty_message = False
                return io.BytesIO()
            else:
                bsize = 128 if maxsize is None else min(maxsize, 128)
                try:
                    ov, err = _winapi.ReadFile(self._handle, bsize,
                                                overlapped=True)
                    try:
                        if err == _winapi.ERROR_IO_PENDING:
                            waitres = _winapi.WaitForMultipleObjects(
                                [ov.event], False, INFINITE)
                            assert waitres == WAIT_OBJECT_0
                    except:
                        ov.cancel()
                        raise
                    finally:
                        nread, err = ov.GetOverlappedResult(True)
                        if err == 0:
                            f = io.BytesIO()
                            f.write(ov.getbuffer())
                            return f
                        elif err == _winapi.ERROR_MORE_DATA:
                            return self._get_more_data(ov, maxsize)
                except OSError as e:
                    if e.winerror == _winapi.ERROR_BROKEN_PIPE:
                        raise EOFError
                    else:
                        raise
            raise RuntimeError("shouldn't get here; expected KeyboardInterrupt") 
Example #6
Source File: test_windows_utils.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up
def test_pipe_overlapped(self):
        h1, h2 = windows_utils.pipe(overlapped=(True, True))
        try:
            ov1 = _overlapped.Overlapped()
            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, 0)

            ov1.ReadFile(h1, 100)
            self.assertTrue(ov1.pending)
            self.assertEqual(ov1.error, _winapi.ERROR_IO_PENDING)
            ERROR_IO_INCOMPLETE = 996
            try:
                ov1.getresult()
            except OSError as e:
                self.assertEqual(e.winerror, ERROR_IO_INCOMPLETE)
            else:
                raise RuntimeError('expected ERROR_IO_INCOMPLETE')

            ov2 = _overlapped.Overlapped()
            self.assertFalse(ov2.pending)
            self.assertEqual(ov2.error, 0)

            ov2.WriteFile(h2, b"hello")
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})

            res = _winapi.WaitForMultipleObjects([ov2.event], False, 100)
            self.assertEqual(res, _winapi.WAIT_OBJECT_0)

            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, ERROR_IO_INCOMPLETE)
            self.assertFalse(ov2.pending)
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})
            self.assertEqual(ov1.getresult(), b"hello")
        finally:
            _winapi.CloseHandle(h1)
            _winapi.CloseHandle(h2) 
Example #7
Source File: connection.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up
def _send_bytes(self, buf):
            ov, err = _winapi.WriteFile(self._handle, buf, overlapped=True)
            try:
                if err == _winapi.ERROR_IO_PENDING:
                    waitres = _winapi.WaitForMultipleObjects(
                        [ov.event], False, INFINITE)
                    assert waitres == WAIT_OBJECT_0
            except:
                ov.cancel()
                raise
            finally:
                nwritten, err = ov.GetOverlappedResult(True)
            assert err == 0
            assert nwritten == len(buf) 
Example #8
Source File: connection.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up
def _recv_bytes(self, maxsize=None):
            if self._got_empty_message:
                self._got_empty_message = False
                return io.BytesIO()
            else:
                bsize = 128 if maxsize is None else min(maxsize, 128)
                try:
                    ov, err = _winapi.ReadFile(self._handle, bsize,
                                                overlapped=True)
                    try:
                        if err == _winapi.ERROR_IO_PENDING:
                            waitres = _winapi.WaitForMultipleObjects(
                                [ov.event], False, INFINITE)
                            assert waitres == WAIT_OBJECT_0
                    except:
                        ov.cancel()
                        raise
                    finally:
                        nread, err = ov.GetOverlappedResult(True)
                        if err == 0:
                            f = io.BytesIO()
                            f.write(ov.getbuffer())
                            return f
                        elif err == _winapi.ERROR_MORE_DATA:
                            return self._get_more_data(ov, maxsize)
                except OSError as e:
                    if e.winerror == _winapi.ERROR_BROKEN_PIPE:
                        raise EOFError
                    else:
                        raise
            raise RuntimeError("shouldn't get here; expected KeyboardInterrupt") 
Example #9
Source File: test_windows_utils.py    From annotated-py-projects with MIT License 5 votes vote down vote up
def test_pipe_overlapped(self):
        h1, h2 = windows_utils.pipe(overlapped=(True, True))
        try:
            ov1 = _overlapped.Overlapped()
            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, 0)

            ov1.ReadFile(h1, 100)
            self.assertTrue(ov1.pending)
            self.assertEqual(ov1.error, _winapi.ERROR_IO_PENDING)
            ERROR_IO_INCOMPLETE = 996
            try:
                ov1.getresult()
            except OSError as e:
                self.assertEqual(e.winerror, ERROR_IO_INCOMPLETE)
            else:
                raise RuntimeError('expected ERROR_IO_INCOMPLETE')

            ov2 = _overlapped.Overlapped()
            self.assertFalse(ov2.pending)
            self.assertEqual(ov2.error, 0)

            ov2.WriteFile(h2, b"hello")
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})

            res = _winapi.WaitForMultipleObjects([ov2.event], False, 100)
            self.assertEqual(res, _winapi.WAIT_OBJECT_0)

            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, ERROR_IO_INCOMPLETE)
            self.assertFalse(ov2.pending)
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})
            self.assertEqual(ov1.getresult(), b"hello")
        finally:
            _winapi.CloseHandle(h1)
            _winapi.CloseHandle(h2) 
Example #10
Source File: test_windows_utils.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def test_pipe_overlapped(self):
        h1, h2 = windows_utils.pipe(overlapped=(True, True))
        try:
            ov1 = _overlapped.Overlapped()
            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, 0)

            ov1.ReadFile(h1, 100)
            self.assertTrue(ov1.pending)
            self.assertEqual(ov1.error, _winapi.ERROR_IO_PENDING)
            ERROR_IO_INCOMPLETE = 996
            try:
                ov1.getresult()
            except OSError as e:
                self.assertEqual(e.winerror, ERROR_IO_INCOMPLETE)
            else:
                raise RuntimeError('expected ERROR_IO_INCOMPLETE')

            ov2 = _overlapped.Overlapped()
            self.assertFalse(ov2.pending)
            self.assertEqual(ov2.error, 0)

            ov2.WriteFile(h2, b"hello")
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})

            res = _winapi.WaitForMultipleObjects([ov2.event], False, 100)
            self.assertEqual(res, _winapi.WAIT_OBJECT_0)

            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, ERROR_IO_INCOMPLETE)
            self.assertFalse(ov2.pending)
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})
            self.assertEqual(ov1.getresult(), b"hello")
        finally:
            _winapi.CloseHandle(h1)
            _winapi.CloseHandle(h2) 
Example #11
Source File: connection.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def _send_bytes(self, buf):
            ov, err = _winapi.WriteFile(self._handle, buf, overlapped=True)
            try:
                if err == _winapi.ERROR_IO_PENDING:
                    waitres = _winapi.WaitForMultipleObjects(
                        [ov.event], False, INFINITE)
                    assert waitres == WAIT_OBJECT_0
            except:
                ov.cancel()
                raise
            finally:
                nwritten, err = ov.GetOverlappedResult(True)
            assert err == 0
            assert nwritten == len(buf) 
Example #12
Source File: connection.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up
def _recv_bytes(self, maxsize=None):
            if self._got_empty_message:
                self._got_empty_message = False
                return io.BytesIO()
            else:
                bsize = 128 if maxsize is None else min(maxsize, 128)
                try:
                    ov, err = _winapi.ReadFile(self._handle, bsize,
                                                overlapped=True)
                    try:
                        if err == _winapi.ERROR_IO_PENDING:
                            waitres = _winapi.WaitForMultipleObjects(
                                [ov.event], False, INFINITE)
                            assert waitres == WAIT_OBJECT_0
                    except:
                        ov.cancel()
                        raise
                    finally:
                        nread, err = ov.GetOverlappedResult(True)
                        if err == 0:
                            f = io.BytesIO()
                            f.write(ov.getbuffer())
                            return f
                        elif err == _winapi.ERROR_MORE_DATA:
                            return self._get_more_data(ov, maxsize)
                except OSError as e:
                    if e.winerror == _winapi.ERROR_BROKEN_PIPE:
                        raise EOFError
                    else:
                        raise
            raise RuntimeError("shouldn't get here; expected KeyboardInterrupt") 
Example #13
Source File: test_windows_utils.py    From android_universal with MIT License 5 votes vote down vote up
def test_pipe_overlapped(self):
        h1, h2 = windows_utils.pipe(overlapped=(True, True))
        try:
            ov1 = _overlapped.Overlapped()
            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, 0)

            ov1.ReadFile(h1, 100)
            self.assertTrue(ov1.pending)
            self.assertEqual(ov1.error, _winapi.ERROR_IO_PENDING)
            ERROR_IO_INCOMPLETE = 996
            try:
                ov1.getresult()
            except OSError as e:
                self.assertEqual(e.winerror, ERROR_IO_INCOMPLETE)
            else:
                raise RuntimeError('expected ERROR_IO_INCOMPLETE')

            ov2 = _overlapped.Overlapped()
            self.assertFalse(ov2.pending)
            self.assertEqual(ov2.error, 0)

            ov2.WriteFile(h2, b"hello")
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})

            res = _winapi.WaitForMultipleObjects([ov2.event], False, 100)
            self.assertEqual(res, _winapi.WAIT_OBJECT_0)

            self.assertFalse(ov1.pending)
            self.assertEqual(ov1.error, ERROR_IO_INCOMPLETE)
            self.assertFalse(ov2.pending)
            self.assertIn(ov2.error, {0, _winapi.ERROR_IO_PENDING})
            self.assertEqual(ov1.getresult(), b"hello")
        finally:
            _winapi.CloseHandle(h1)
            _winapi.CloseHandle(h2)