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| author | Chris Liechti <cliechti@gmx.net> | 2017-03-05 23:53:40 +0100 |
|---|---|---|
| committer | Chris Liechti <cliechti@gmx.net> | 2017-03-05 23:53:40 +0100 |
| commit | d579018695c8f50400cdddb1db7078d2e9da3115 (patch) | |
| tree | 8ec7622ca6f0595309a83f792a0238e70b456002 | |
| parent | 700a238ca113d8b922aad4d9e71bf8bbc94aa690 (diff) | |
| download | pyserial-git-d579018695c8f50400cdddb1db7078d2e9da3115.tar.gz | |
win32: improve error for out_waiting, save exclusive changes
| -rw-r--r-- | serial/serialwin32.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/serial/serialwin32.py b/serial/serialwin32.py index fd5f730..7b88999 100644 --- a/serial/serialwin32.py +++ b/serial/serialwin32.py @@ -442,7 +442,7 @@ class Serial(SerialBase): flags = win32.DWORD() comstat = win32.COMSTAT() if not win32.ClearCommError(self._port_handle, ctypes.byref(flags), ctypes.byref(comstat)): - raise SerialException('call to ClearCommError failed') + raise SerialException("ClearCommError failed ({!r})".format(ctypes.WinError())) return comstat.cbOutQue def _cancel_overlapped_io(self, overlapped): @@ -471,3 +471,5 @@ class Serial(SerialBase): """Change the exclusive access setting.""" if exclusive is not None and not exclusive: raise ValueError('win32 only supports exclusive access (not: {})'.format(exclusive)) + else: + serial.SerialBase.exclusive.__set__(self, exclusive) |