systemd unit file for parity with clean exits

parity.service

[Unit]
Description=Parity Daemon
After=network.target

[Service]
# https://www.freedesktop.org/software/systemd/man/systemd.service.html#Command%20lines
ExecStart=/usr/bin/parity --config /etc/parity/config.toml

# Specifies how processes of this unit shall be killed.
# One of control-group, process, mixed, none.
#KillMode=control-group

# Specifies which signal to use when killing a service. Defaults to SIGTERM.
# For valid signals, see http://man7.org/linux/man-pages/man7/signal.7.html
# SIGHUP gives parity 90 seconds to exit cleanly before SIGKILL
KillSignal=SIGHUP

# Specifies whether to send SIGHUP to remaining processes immediately after
# sending the signal configured with KillSignal=.
#SendSIGHUP=no

# Specifies whether to send SIGKILL to remaining processes after a timeout
#SendSIGKILL=yes

[Install]
WantedBy=default.target

# settings above that are commented out show default values

# https://www.freedesktop.org/software/systemd/man/systemd.unit.html
# boolean settings
# For positive settings the strings 1, yes, true and on are equivalent.
# For negative settings, the strings 0, no, false and off are equivalent.

# Default timeout is 90s
# https://www.freedesktop.org/software/systemd/man/systemd-system.conf.html#DefaultTimeoutStartSec=