MesMurized
DD-WRT User
Joined: 08 Aug 2017
Posts: 77
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 Posted: Wed Jan 26, 2022 20:16 Post subject: Tip: signal+trap+sleep+wait |
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Consider this snippet:
| Code: |
trap 'echo "Caught Signal"' SIGHUP SIGINT SIGTERM
while true; do
...
sleep infinity
...
...Anything here will NEVER run
... unless sleep is killed
...
done
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Why? signals do not interrupt sleep.
| Code: |
trap 'echo "Caught Signal"' SIGHUP SIGINT SIGTERM
while true; do
...
sleep [ 1 | 60 | xx | infinity ] &
wait $!
...
... runs as expected after sleep or signal
...
done
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Note: sleep process is not terminated
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Current: NetgearR9000 v3.0-r52054 std (03/18/23)
Retired: Linksys WRT32X r39296, TP-Link Archer C7 v2, LinkSys WRT54G v5 |
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