[bitbake-devel][PATCH] bitbake-worker: Use Lock from bb.multiprocessing

[Joshua Watt <jpewhacker@gmail.com>]

bitbake-worker relies on multiprocessing using the "fork" method to pass
data to the child process. Starting in Python 3.13 the default changed
to "forkserver", so the bb.multiprocessing context needs to be used in
order to preserve the "fork" method.

Note that bb.multiprocessing is a context, so Lock can't be imported
from it; instead a local alias for Lock must be used

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
---
 bin/bitbake-worker | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/bitbake-worker b/bin/bitbake-worker
index d2b146a6a..aa14ef191 100755
--- a/bin/bitbake-worker
+++ b/bin/bitbake-worker
@@ -23,9 +23,10 @@ import queue
 import shlex
 import subprocess
 import fcntl
-from multiprocessing import Lock
 from threading import Thread
 
+Lock = bb.multiprocessing.Lock
+
 # Remove when we have a minimum of python 3.10
 if not hasattr(fcntl, 'F_SETPIPE_SZ'):
     fcntl.F_SETPIPE_SZ = 1031
-- 
2.53.0