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Red Hat Bugzilla – Attachment 913255 Details for
Bug 1114434
python does not wake up when signal arrives when calling signal.pause()
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Reproducing script, should receive SIGCHLD but does not
test2.py (text/x-python), 657 bytes, created by
Dima Kuznetsov
on 2014-06-30 05:59:21 UTC
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Description:
Reproducing script, should receive SIGCHLD but does not
Filename:
MIME Type:
Creator:
Dima Kuznetsov
Created:
2014-06-30 05:59:21 UTC
Size:
657 bytes
patch
obsolete
>import logging >import os >import signal >import subprocess >import time >import threading > >logging.getLogger().setLevel(logging.DEBUG) >log = logging.getLogger('test') >logging.basicConfig(filename='/dev/stdout', filemode='w', level=logging.DEBUG) > > >def sigchld_handler(signum, frame): > log.debug('caught SIGCHLD in process %d', os.getpid()) >signal.signal(signal.SIGCHLD, sigchld_handler) > > >def main(): > log.debug('parent pid is %d', os.getpid()) > log.debug('starting process') > subprocess.Popen(['sleep', '1']) > time.sleep(3) > log.debug('done') > >if __name__ == '__main__': > t = threading.Thread(target=main) > t.start() > signal.pause()
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bug 1114434
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