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mcu: Be careful to free memory allocated in C code

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Free steppersync, stepcompress, and commandqueue objects.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-11-30 01:58:45 -05:00
parent 55fc11ff02
commit 7cb71df02c
6 changed files with 86 additions and 23 deletions
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7
klippy/serialhdl.py
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@ -112,8 +112,6 @@ class SerialReader:
def disconnect(self):
if self.serialqueue is None:
return
self.send_flush()
time.sleep(0.010)
self.ffi_lib.serialqueue_exit(self.serialqueue)
if self.background_thread is not None:
self.background_thread.join()
@ -170,7 +168,8 @@ class SerialReader:
def send_flush(self):
self.ffi_lib.serialqueue_flush_ready(self.serialqueue)
def alloc_command_queue(self):
return self.ffi_lib.serialqueue_alloc_commandqueue()
return self.ffi_main.gc(self.ffi_lib.serialqueue_alloc_commandqueue(),
self.ffi_lib.serialqueue_free_commandqueue)
# Dumping debug lists
def dump_debug(self):
sdata = self.ffi_main.new('struct pull_queue_message[1024]')
@ -222,6 +221,8 @@ class SerialReader:
logging.info("%s: %s" % (params['#name'], params['#msg']))
def handle_default(self, params):
logging.warn("got %s" % (params,))
def __del__(self):
self.disconnect()
# Class to retry sending of a query command until a given response is received
class SerialRetryCommand: