diff options
Diffstat (limited to 'devlib/instrument/acmecape.py')
| -rw-r--r-- | devlib/instrument/acmecape.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/devlib/instrument/acmecape.py b/devlib/instrument/acmecape.py index 818094f..5c10598 100644 --- a/devlib/instrument/acmecape.py +++ b/devlib/instrument/acmecape.py @@ -58,6 +58,12 @@ class AcmeCapeInstrument(Instrument): self.add_channel('device', 'current') self.add_channel('timestamp', 'time_ms') + def __del__(self): + if self.process and self.process.pid: + self.logger.warning('killing iio-capture process [%d]...', + self.process.pid) + self.process.kill() + def reset(self, sites=None, kinds=None, channels=None): super(AcmeCapeInstrument, self).reset(sites, kinds, channels) self.raw_data_file = tempfile.mkstemp('.csv')[1] @@ -98,6 +104,7 @@ class AcmeCapeInstrument(Instrument): .format(self.process.returncode, output)) if not os.path.isfile(self.raw_data_file): raise HostError('Output CSV not generated.') + self.process = None def get_data(self, outfile): if os.stat(self.raw_data_file).st_size == 0: |