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Change popen() to detach from terminal/process group.

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This may or may not be the right thing to do - an alternative
would be to ignore SIGINT, but that would make the popen()
job unkillable by normal means! So we'll try this and see
how well it works.
Fixes #124
This commit is contained in:
Bob Lantz
2013-03-28 18:14:24 -07:00
parent c771b2d75a
commit e5a15ced01
1 changed files with 2 additions and 2 deletions
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mininet/node.py
+2 -2
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@@ -291,7 +291,7 @@ class Node( object ):
kwargs: Popen() keyword args""" kwargs: Popen() keyword args"""
defaults = { 'stdout': PIPE, 'stderr': PIPE, defaults = { 'stdout': PIPE, 'stderr': PIPE,
'mncmd': 'mncmd':
[ 'mnexec', '-a', str( self.pid ) ] } [ 'mnexec', '-da', str( self.pid ) ] }
defaults.update( kwargs ) defaults.update( kwargs )
if len( args ) == 1: if len( args ) == 1:
if type( args[ 0 ] ) is list: if type( args[ 0 ] ) is list:
@@ -605,7 +605,7 @@ class CPULimitedHost( Host ):
args: Popen() args, single list, or string args: Popen() args, single list, or string
kwargs: Popen() keyword args""" kwargs: Popen() keyword args"""
# Tell mnexec to execute command in our cgroup # Tell mnexec to execute command in our cgroup
mncmd = [ 'mnexec', '-a', str( self.pid ), mncmd = [ 'mnexec', '-da', str( self.pid ),
'-g', self.name ] '-g', self.name ]
if self.sched == 'rt': if self.sched == 'rt':
mncmd += [ '-r', str( self.rtprio ) ] mncmd += [ '-r', str( self.rtprio ) ]