Merge pull request #192 from derkling/acme_fix_iio-capture_release
Instrument/Acmecape: ensure iio-capture termination
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 @@
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 @@
.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: