Fix tail -f.
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Authored by markj on Dec 6 2019, 8:08 PM.

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imp

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emaste

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capsicum

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rS355470: Fix tail -f in capability mode.

Summary

We were not adding CAP_EVENT to input file capabilities, so kevent()
always failed. tail implements a fallback mode to poll the file in this
case, so it still "works," but not when kern.trap_enotcap=1.

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Repository

rS FreeBSD src repository - subversion

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Event Timeline

markj created this revision.Dec 6 2019, 8:08 PM

Harbormaster completed remote builds in B28012: Diff 65327.Dec 6 2019, 8:08 PM

markj added a reviewer: capsicum.Dec 6 2019, 8:08 PM

emaste accepted this revision.Dec 6 2019, 9:04 PM

This revision is now accepted and ready to land.Dec 6 2019, 9:04 PM

Closed by commit rS355470: Fix tail -f in capability mode. (authored by markj). · Explain WhyDec 6 2019, 11:39 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rS355470: Fix tail -f in capability mode..

Herald added a subscriber: imp. · View Herald TranscriptDec 6 2019, 11:39 PM

Revision Contents
Changeset List

Path

Size

head/

usr.bin/

tail/

tail.c

13 lines

Diff 65341

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Fix tail -f.ClosedPublicActions