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bitbake: cooker: Block SIGINT in worker processes

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Blocks SIGINT in the worker processes to prevent them from running the
parent process signal handler, which causes them to deadlock under
certain circumstances.

[YOCTO #14034]

(Bitbake rev: 9f4207f4b598f549cbd4159841c720276736f23b)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Joshua Watt
2020-09-14 16:17:35 -05:00
committed by Richard Purdie
parent fd924e293f
commit 42bbf1451a
1 changed files with 1 additions and 0 deletions
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bitbake/lib/bb/cooker.py
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@@ -2093,6 +2093,7 @@ class CookerParser(object):
def init():
signal.signal(signal.SIGTERM, signal.SIG_DFL)
signal.signal(signal.SIGHUP, signal.SIG_DFL)
signal.signal(signal.SIGINT, signal.SIG_IGN)
bb.utils.set_process_name(multiprocessing.current_process().name)
multiprocessing.util.Finalize(None, bb.codeparser.parser_cache_save, exitpriority=1)
multiprocessing.util.Finalize(None, bb.fetch.fetcher_parse_save, exitpriority=1)