def run_single_process(runnable, daemon, pidfile):
"""Run runnable class, possibly daemonized, locked on pidfile."""
# check if another process is running
if pidfile and os.path.isfile(pidfile):
if skytools.signal_pidfile(pidfile, 0):
print("Pidfile exists, another process running?")
sys.exit(1)
else:
print("Ignoring stale pidfile")
# daemonize if needed
if daemon:
daemonize()
# clean only own pidfile
own_pidfile = False
try:
if pidfile:
data = str(os.getpid())
skytools.write_atomic(pidfile, data)
own_pidfile = True
runnable.run()
finally:
if own_pidfile:
try:
os.remove(pidfile)
except:
pass
def run_single_process(runnable, daemon, pidfile):
"""Run runnable class, possibly daemonized, locked on pidfile."""
# check if another process is running
if pidfile and os.path.isfile(pidfile):
if skytools.signal_pidfile(pidfile, 0):
print("Pidfile exists, another process running?")
sys.exit(1)
else:
print("Ignoring stale pidfile")
# daemonize if needed
if daemon:
daemonize()
# clean only own pidfile
own_pidfile = False
try:
if pidfile:
data = str(os.getpid())
skytools.write_atomic(pidfile, data)
own_pidfile = True
runnable.run()
finally:
if own_pidfile:
try:
os.remove(pidfile)
except: pass
def save_local_tick(self, tick_id):
"""Store tick in local file."""
data = str(tick_id)
skytools.write_atomic(self.local_tracking_file, data)
def save_local_tick(self, tick_id):
"""Store tick in local file."""
data = str(tick_id)
skytools.write_atomic(self.local_tracking_file, data)
