Messages in this thread | | | Date | Wed, 4 Apr 2001 21:34:40 -0400 (EDT) | From | Alexander Viro <> | Subject | Re: [QUESTION] MOD_INC/MOD_DEC: useful to check for correct usage? |
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On Wed, 4 Apr 2001, Dawson Engler wrote:
> Hi, > > in the old days you couldn't call a sleeping function in a module > before doing a MOD_INC or after doing a MOD_DEC. Then some safety nets > were added that made these obsolete (in some number of places). I was > told that people had decided to potentially get rid of all safety > nets. Is this true? Is it worthwhile to have a checker for these two > rules?
It's worth removing the MOD_{INC,DEC}_USE_COUNT. Which had been done in quite a few places. Let the caller handle the refcount on callee - _that_ is definitely safe.
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