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Re: object.enable() anti-pattern

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  Re: object.enable() anti-pattern Cameron Simpson <cs@zip.com.au> - 2013-05-10 09:29 +1000

#45068 — Re: object.enable() anti-pattern

On 10May2013 10:56, Greg Ewing <greg.ewing@canterbury.ac.nz> wrote:
| Cameron Simpson wrote:
| >You open a file with "0" modes, so
| >that it is _immediately_ not writable. Other attempts to make the
| >lock file thus fail because of the lack of write,
| 
| I don't think that's quite right. You open it with
| O_CREAT+O_EXCL, which atomically fails if the file
| already exists. The read/write modes don't really
| come into it, as far as I know.

Interesting. That is more direct. My understanding that it was
enough to create the file with 0 modes. Maybe either will do. Must
check...

Cheers,
-- 
Cameron Simpson <cs@zip.com.au>

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