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  • #3980

Closed
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Opened Apr 11, 2010 by Liskni_si@trac-Liskni_si
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System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag

Since FreeBSD and OpenBSD don't conform to POSIX.1-2001 regarding the creation of zombie processes, “installHandler sigCHLD Ignore Nothing” just isn't enough to stop zombies from piling up. They do, however, support the SA_NOCLDWAIT flag to sigaction, and an interface for it would be useful to have.

The motivation is this: http://thread.gmane.org/gmane.comp.lang.haskell.xmonad/9780 More info: http://en.wikipedia.org/wiki/SIGCHLD

Trac metadata
Trac field Value
Version 6.12.1
Type FeatureRequest
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component libraries/unix
Test case
Differential revisions
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Operating system
Architecture

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core libraries external-unix feature request P::low Trac import
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Reference: ghc/ghc#3980