s-l-r: actually include the new patch

app-portage/smart-live-rebuild/files/four.patch

@@ -0,0 +1,42 @@
+diff --git a/smartliverebuild/core.py b/smartliverebuild/core.py
+index e367111..f213c66 100644
+--- a/smartliverebuild/core.py
++++ b/smartliverebuild/core.py
+@@ -22,6 +22,7 @@ def SmartLiveRebuild(opts, pm, cliargs = None):
+ 		out.err('The argument to --jobs option must be a positive integer.')
+ 		raise SLRFailure('')
+ 
++	global childpid
+ 	childpid = None
+ 	commpipe = None
+ 	superuser = (os.geteuid() == 0)
+@@ -31,9 +32,18 @@ def SmartLiveRebuild(opts, pm, cliargs = None):
+ 		portage_gid = pm_conf.userpriv_gid
+ 		if portage_uid and portage_gid:
+ 			if superuser:
++				def chld_handler(sig, frame):
++					global childpid
++					if os.wait()[0] == childpid:
++						childpid = None
++
+ 				out.s1('Forking to drop superuser privileges ...')
++				old_chld = signal.signal(signal.SIGCHLD, chld_handler)
+ 				commpipe = os.pipe()
+ 				childpid = os.fork()
++
++				if childpid == 0:
++					signal.signal(signal.SIGCHLD, old_chld)
+ 		else:
+ 			out.err("setuid requested but there's no 'portage' user in the system")
+ 			return 1
+@@ -180,9 +190,6 @@ option.
+ 			out.result('Found %s%d%s packages to rebuild.' % (out.white, len(packages), out.s1reset))
+ 	finally:
+ 		if childpid: # make sure that we leave no orphans
+-			try:
+-				os.kill(childpid, signal.SIGTERM)
+-			except OSError:
+-				pass
++			os.kill(childpid, signal.SIGTERM)
+ 
+ 	return packages