[GH-ISSUE #431] Increase delay before issuing SIGKILL on shutdown? #313

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opened 2026-05-05 05:35:05 -06:00 by gitea-mirror · 2 comments

gitea-mirror commented

2026-05-05 05:35:05 -06:00

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Originally created by @pyther on GitHub (Apr 13, 2016).
Original GitHub issue: https://github.com/netblue30/firejail/issues/431

Would it be possible to increase the time that is waited before sending a SIGTERM on shutdown?

I have an application that may need to write data to disk when it receives a SIGTERM. The current value of 2 seconds seems low and may not give an application enough to gracefully shutdown. There does not appear to be a standard on how long to wait after sending a SIGTERM, but systemd waits 10 seconds after SIGTERM before issuing additional signals.

#define TIMEOUT_USEC (10 * USEC_PER_SEC)
until = now(CLOCK_MONOTONIC) + TIMEOUT_USEC;
https://github.com/systemd/systemd/blob/master/src/core/killall.c#L36

Would it be possible to send a SIGTERM and then loop every 0.5 second or so checking to see if the children have died, sending a SIGTERM after 10 seconds?

https://stackoverflow.com/questions/27570302/how-much-time-before-sigkill

Originally created by @pyther on GitHub (Apr 13, 2016). Original GitHub issue: https://github.com/netblue30/firejail/issues/431 Would it be possible to increase the time that is waited before sending a SIGTERM on shutdown? I have an application that may need to write data to disk when it receives a SIGTERM. The current value of 2 seconds seems low and may not give an application enough to gracefully shutdown. There does not appear to be a standard on how long to wait after sending a SIGTERM, but systemd waits 10 seconds after SIGTERM before issuing additional signals. `#define TIMEOUT_USEC (10 * USEC_PER_SEC)` `until = now(CLOCK_MONOTONIC) + TIMEOUT_USEC;` https://github.com/systemd/systemd/blob/master/src/core/killall.c#L36 Would it be possible to send a SIGTERM and then loop every 0.5 second or so checking to see if the children have died, sending a SIGTERM after 10 seconds? https://stackoverflow.com/questions/27570302/how-much-time-before-sigkill

gitea-mirror

2026-05-05 05:35:05 -06:00

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gitea-mirror commented

2026-05-05 05:35:09 -06:00

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@netblue30 commented on GitHub (Apr 13, 2016):

I'll bring something in soon, thanks!

@netblue30 commented on GitHub (Apr 13, 2016): I'll bring something in soon, thanks!

gitea-mirror commented

2026-05-05 05:35:11 -06:00

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@netblue30 commented on GitHub (Apr 14, 2016):

Fixed in main branch.

@netblue30 commented on GitHub (Apr 14, 2016): Fixed in main branch.

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Reference: github-starred/firejail#313

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