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Diffstat (limited to 'serial/serialposix.py')
| -rw-r--r-- | serial/serialposix.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/serial/serialposix.py b/serial/serialposix.py index 131e31b..fa5c999 100644 --- a/serial/serialposix.py +++ b/serial/serialposix.py @@ -506,6 +506,11 @@ class PosixSerial(SerialBase): _, ready, _ = select.select([], [self.fd], [], timeleft) if not ready: raise writeTimeoutError + else: + # wait for write operation + _, ready, _ = select.select([], [self.fd], [], None) + if not ready: + raise SerialException('write failed (select)') d = d[n:] tx_len -= n except OSError, v: |