wait for forked processes to return before resuming

snseventd.py

@@ -2,7 +2,7 @@
 from __future__ import print_function
 import sys
 import os
-from subprocess import call
+import subprocess
 import time
 import argparse
 import re
@@ -492,8 +492,10 @@ while True:
 			pid = os.fork()
 			if pid == 0:
 				#sys.exit(os.system(command))
-				sys.exit(call(command, shell=True))
+				proc = subprocess.run(command, shell=True)
+				sys.exit(proc.returncode)
 			printLog("Forked '"+command+"' as "+str(pid), loglevels.INFO)
+			os.waitpid(pid)
 
 		except KeyError as e:
 			# No valid operation messages were found