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clean: send SIGTERM before SIGKILL

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IVS needs to be sent SIGTERM so it has a chance to clean up the kernel
datapath.
This commit is contained in:
Rich Lane
2013-07-18 13:50:20 -07:00
parent 0e2cc609df
commit 5c24263779
1 changed files with 4 additions and 0 deletions
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mininet/clean.py
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@@ -11,6 +11,7 @@ nothing irreplaceable!
""" """
from subprocess import Popen, PIPE from subprocess import Popen, PIPE
import time
from mininet.log import info from mininet.log import info
from mininet.term import cleanUpScreens from mininet.term import cleanUpScreens
@@ -31,6 +32,9 @@ def cleanup():
# Note: real zombie processes can't actually be killed, since they # Note: real zombie processes can't actually be killed, since they
# are already (un)dead. Then again, # are already (un)dead. Then again,
# you can't connect to them either, so they're mostly harmless. # you can't connect to them either, so they're mostly harmless.
# Send SIGTERM first to give processes a chance to shutdown cleanly.
sh( 'killall ' + zombies + ' 2> /dev/null' )
time.sleep(1)
sh( 'killall -9 ' + zombies + ' 2> /dev/null' ) sh( 'killall -9 ' + zombies + ' 2> /dev/null' )
# And kill off sudo mnexec # And kill off sudo mnexec