schain Commit - r1533:37c6d1c7452d · Jicamarca Repository

Add handler to terminate child process

Juan C. Espinoza -

r1533:37c6d1c7452d

parent child

Context file:

r1533:37c6d1c7452d

schainpy/controller.py +12 -1

             import traceback
             import time
             import multiprocessing
-            from multiprocessing import Process, Queue
+            import signal as sig
+            from multiprocessing import Process, Queue, active_children
             from threading import Thread
             from xml.etree.ElementTree import ElementTree, Element, SubElement
             if 'darwin' in sys.platform and sys.version_info[0] == 3 and sys.version_info[1] > 7:
                 multiprocessing.set_start_method('fork')
+            def handler(sig, frame):
+                # get all active child processes
+                active = active_children()
+                # terminate all active children
+                for child in active:
+                    child.terminate()
+                # terminate the process
+                sys.exit(0)
             class ConfBase():
                 def __init__(self):
                     self.started = True
                     self.start_time = time.time()
                     self.createObjects()
+                    sig.signal(sig.SIGTERM, handler)
                     self.runProcs()
                     log.success('{} Done (Time: {:4.2f}s)'.format(
                         self.name,

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