[OE-core] [PATCH 1/3] selftest/context: Avoid tracebacks from tests using multiprocessing

[Richard Purdie]

We can see tracebacks where the SIGTERM handler catches things
it shouldn't. Avoid exit(1) unless we're the process that
it was intended for.

[YOCTO #13664]

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/lib/oeqa/selftest/context.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/meta/lib/oeqa/selftest/context.py b/meta/lib/oeqa/selftest/context.py
index c4eb5d614eb..3d3b19c6e80 100644
--- a/meta/lib/oeqa/selftest/context.py
+++ b/meta/lib/oeqa/selftest/context.py
@@ -280,11 +280,15 @@ class OESelftestTestContextExecutor(OETestContextExecutor):
         return rc
 
     def _signal_clean_handler(self, signum, frame):
-        sys.exit(1)
+        if self.ourpid == os.getpid():
+            sys.exit(1)
     
     def run(self, logger, args):
         self._process_args(logger, args)
 
+        # Setup a SIGTERM handler to allow restoration of files like local.conf and bblayers.conf
+        # but don't interfer with other processes
+        self.ourpid = os.getpid()
         signal.signal(signal.SIGTERM, self._signal_clean_handler)
 
         rc = None
-- 
2.25.0