39 lines
967 B
Bash
Executable File
39 lines
967 B
Bash
Executable File
#!/usr/bin/env bash
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# Options to pass to i3lock
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i3lock_options="-c 777777"
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xset +dpms dpms 5 5 5
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revert_dpms() { xset dpms 0 0 0; }
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trap revert_dpms EXIT
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# pre_lock
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# We set a trap to kill the locker if we get killed, then start the locker and
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# wait for it to exit. The waiting is not that straightforward when the locker
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# forks, so we use this polling only if we have a sleep lock to deal with.
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if [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then
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kill_i3lock() {
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pkill -xu $EUID "$@" i3lock
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}
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trap kill_i3lock TERM INT
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# we have to make sure the locker does not inherit a copy of the lock fd
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i3lock $i3lock_options {XSS_SLEEP_LOCK_FD}<&-
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# now close our fd (only remaining copy) to indicate we're ready to sleep
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exec {XSS_SLEEP_LOCK_FD}<&-
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while kill_i3lock -0; do
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sleep 0.5
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done
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else
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trap 'kill %%' TERM INT
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i3lock -n $i3lock_options &
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sleep 0.1; xset dpms force off
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wait
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fi
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# post_lock
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