Make semaphore names list mutex non-recursive.
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Authored by kib on Apr 30 2017, 10:57 AM.

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imp

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jilles
vangyzen

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rS317611: Make semaphore names list mutex non-recursive.

Summary

I do not see how recursion can be realized in the current code.

The mutex is used un sem_open() and sem_close(), which cannot recurse. The atfork handlers cannot collide with the open and close code.

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rS FreeBSD src repository - subversion

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Buildable 8986
Build 9382: CI src build	Jenkins

Event Timeline

kib created this revision.Apr 30 2017, 10:57 AM

Herald added a subscriber: imp. · View Herald TranscriptApr 30 2017, 10:57 AM

Harbormaster failed remote builds in B8986: Diff 27857!Apr 30 2017, 11:01 AM

vangyzen accepted this revision.Apr 30 2017, 12:47 PM

This revision is now accepted and ready to land.Apr 30 2017, 12:47 PM

Closed by commit rS317611: Make semaphore names list mutex non-recursive. (authored by kib). · Explain WhyApr 30 2017, 7:37 PM

This revision was automatically updated to reflect the committed changes.

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lib/

libc/

gen/

sem_new.c

6 lines

Diff 27857

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Make semaphore names list mutex non-recursive.ClosedPublicActions