cde93897cd
Adds a new call sd_event_set_watchdog() that can be used to hook up the event loop with the watchdog supervision logic of systemd. If enabled and $WATCHDOG_USEC is set the event loop will ping the invoking systemd daemon right after coming back from epoll_wait() but not more often than $WATCHDOG_USEC/4. The epoll_wait() will sleep no longer than $WATCHDOG_USEC/4*3, to make sure the service manager is called in time. This means that setting WatchdogSec= in a .service file and calling sd_event_set_watchdog() in your daemon is enough to hook it up with the watchdog logic.
27 lines
989 B
SYSTEMD
27 lines
989 B
SYSTEMD
# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Login Service
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Documentation=man:systemd-logind.service(8) man:logind.conf(5)
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Documentation=http://www.freedesktop.org/wiki/Software/systemd/logind
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Documentation=http://www.freedesktop.org/wiki/Software/systemd/multiseat
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Wants=user.slice
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After=nss-user-lookup.target user.slice
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[Service]
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ExecStart=@rootlibexecdir@/systemd-logind
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Restart=always
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RestartSec=0
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BusName=org.freedesktop.login1
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CapabilityBoundingSet=CAP_SYS_ADMIN CAP_AUDIT_CONTROL CAP_CHOWN CAP_KILL CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_FOWNER CAP_SYS_TTY_CONFIG
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WatchdogSec=1min
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# Increase the default a bit in order to allow many simultaneous
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# logins since we keep one fd open per session.
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LimitNOFILE=16384
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