forked from borgmatic-collective/borgmatic
24 lines
845 B
Python
24 lines
845 B
Python
import os
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import signal
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def _handle_signal(signal_number, frame): # pragma: no cover
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'''
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Send the signal to all processes in borgmatic's process group, which includes child processes.
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'''
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# Prevent infinite signal handler recursion. If the parent frame is this very same handler
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# function, we know we're recursing.
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if frame.f_back.f_code.co_name == _handle_signal.__name__:
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return
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os.killpg(os.getpgrp(), signal_number)
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def configure_signals(): # pragma: no cover
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'''
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Configure borgmatic's signal handlers to pass relevant signals through to any child processes
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like Borg. Note that SIGINT gets passed through even without these changes.
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'''
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for signal_number in (signal.SIGHUP, signal.SIGTERM, signal.SIGUSR1, signal.SIGUSR2):
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signal.signal(signal_number, _handle_signal)
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