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bitbake: runqueue: Don't error if we never setup workers 

If we didn't setup any workers (such as bitbake -S), this would error
since we're trying to set a signal handler to None. This patch
avoids that problem.

(Bitbake rev: ce17478c8197abf178c00774f5bbe23fd4375ee2)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2014-03-17 15:03:51 +00:00
parent e8476a9d19
commit 92155fde20
1 changed files with 2 additions and 1 deletions
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3
bitbake/lib/bb/runqueue.py
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@ -947,7 +947,8 @@ class RunQueue:
def teardown_workers(self):
self.teardown = True
signal.signal(signal.SIGCHLD, self.oldsigchld)
if self.oldsigchld:
signal.signal(signal.SIGCHLD, self.oldsigchld)
self._teardown_worker(self.worker, self.workerpipe)
self.worker = None
self.workerpipe = None