def run_producer(name, size, delay):
buffer = RingBuffer(name=name, size=size, create=True)
shutdown = False
def terminate(signum, frame):
nonlocal shutdown
print(
"Received=",
signal.Signals(signum).name,
"Attempting graceful shutdown of producer",
)
shutdown = True
signal.signal(signal.SIGTERM, terminate)
signal.signal(signal.SIGINT, terminate)
try:
while not shutdown:
buffer.put(get_next_message())
print(f"Reader: {buffer.reader_pos()} Writer: {buffer.writer_pos()}")
time.sleep(delay)
buffer.destroy()
print(f"Destroyed shared memory buffer {name}")
except Exception as ex:
buffer.destroy()
print(f"Error {str(ex)}. Destroying shared memory buffer and exiting")
traceback.print_exc(file=sys.stdout)
sys.exit(1)
def create_buffer():
buff = RingBuffer(name="test", size=100, create=True)
yield buff
buff.destroy()