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control: move rehash signal to SIGUSR1, and shutdown on SIGHUP (terminal close)

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PyLink technically isn't a daemon, so it's a bit odd to have it linger around after the controlling terminal has died.
This commit is contained in:
James Lu 2017-07-02 21:19:04 -07:00
parent f0fab0c0ad
commit 883f9199ec
1 changed files with 6 additions and 5 deletions
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11
coremods/control.py
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@ -138,10 +138,11 @@ def _rehash():
log.info('Finished reloading PyLink configuration.') log.info('Finished reloading PyLink configuration.')
if os.name == 'posix': if os.name == 'posix':
# Only register SIGHUP on *nix. # Only register SIGHUP/SIGUSR1 on *nix.
def sighup_handler(_signo, _stack_frame): def sigusr1_handler(_signo, _stack_frame):
"""Handles SIGHUP by rehashing the PyLink daemon.""" """Handles SIGUSR1 by rehashing the PyLink daemon."""
log.info("SIGHUP received, reloading config.") log.info("SIGUSR1 received, reloading config.")
_rehash() _rehash()
signal.signal(signal.SIGHUP, sighup_handler) signal.signal(signal.SIGUSR1, sigusr1_handler)
signal.signal(signal.SIGHUP, sigterm_handler)