def _reap_process_and_children(process, timeout=5):
"Tries hard to terminate and ultimately kill all the children of this process."
def on_terminate(proc):
logger.info("Minecraft process {} terminated with exit code {}".format(proc, proc.returncode))
procs = process.children(recursive=True) + [process]
# send SIGTERM
for p in procs:
try:
try:
import signal
os.killpg(os.getpgid(p.pid), signal.SIGTERM)
except:
pass
p.kill()
except psutil.NoSuchProcess:
pass
gone, alive = psutil.wait_procs(procs, timeout=timeout, callback=on_terminate)
if alive:
# send SIGKILL
for p in alive:
logger.info("Minecraft process {} survived SIGTERM; trying SIGKILL".format(p.pid))
try:
p.kill()
except psutil.NoSuchProcess:
pass
gone, alive = psutil.wait_procs(alive, timeout=timeout, callback=on_terminate)
if alive:
# give up
for p in alive:
logger.info("Minecraft process {} survived SIGKILL; giving up".format(p.pid))
def memory_usage(process):
try:
if system() == 'Windows':
mem = process.memory_full_info().rss
for child in process.children(recursive=True):
try:
mem += child.memory_full_info().uss
except:
pass
else:
mem = process.memory_full_info().pss
for child in process.children(recursive=True):
try:
mem += child.memory_full_info().uss
except:
pass
return mem
except:
# maybe OS does not allow to query this information ?...
return 0
