disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/scripts/clang-tools/run-clang-tools.py
..
..
@@ -60,14 +60,21 @@
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 def main():
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-    args = parse_arguments()
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+    try:
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+        args = parse_arguments()
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-    lock = multiprocessing.Lock()
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-    pool = multiprocessing.Pool(initializer=init, initargs=(lock, args))
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-    # Read JSON data into the datastore variable
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-    with open(args.path, "r") as f:
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-        datastore = json.load(f)
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-        pool.map(run_analysis, datastore)
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+        lock = multiprocessing.Lock()
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+        pool = multiprocessing.Pool(initializer=init, initargs=(lock, args))
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+        # Read JSON data into the datastore variable
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+        with open(args.path, "r") as f:
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+            datastore = json.load(f)
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+            pool.map(run_analysis, datastore)
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+    except BrokenPipeError:
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+        # Python flushes standard streams on exit; redirect remaining output
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+        # to devnull to avoid another BrokenPipeError at shutdown
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+        devnull = os.open(os.devnull, os.O_WRONLY)
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+        os.dup2(devnull, sys.stdout.fileno())
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+        sys.exit(1)  # Python exits with error code 1 on EPIPE
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 if __name__ == "__main__":