Messages in this thread | | | Date | Fri, 18 Aug 2006 17:43:18 -0400 | From | Jeff Garzik <> | Subject | Re: Complaint about return code convention in queue_work() etc. |
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Alan Stern wrote: > I'd like to lodge a bitter complaint about the return codes used by > queue_work() and related functions: > > Why do the damn things return 0 for error and 1 for success??? > Why don't they use negative error codes for failure, like > everything else in the kernel?!!
It's a standard programming idiom: return false (0) for failure, true (non-zero) for success. Boolean.
Certainly the kernel often uses the -errno convention, but it's not a rule.
Jeff
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