Re: [PATCH] lock_timeout and common SIGALRM framework

2012-06-26 13:50 keltezéssel, Robert Haas írta:
> On Tue, Jun 26, 2012 at 3:59 AM, Boszormenyi Zoltan <zb(at)cybertec(dot)at> wrote:
>> Well, I can make the registration interface similar to how LWLocks
>> are treated, but that doesn't avoid modification of the base_timeouts
>> array in case a new internal use case arises. Say:
>>
>> #define USER_TIMEOUTS 4
>>
>> int n_timeouts = TIMEOUT_MAX;
>> static timeout_params base_timeouts[TIMEOUT_MAX + USER_TIMEOUTS];
> Since timeouts - unlike lwlocks - do not need to touch shared memory,
> there's no need for a hard-coded limit here. You can just allocate
> the array using MemoryContextAlloc(TopMemoryContext, ...) and enlarge
> it as necessary. To avoid needing to modify the base_timeouts array,
> you can just have internal callers push their entries into the array
> during process startup using the same function call that an external
> module would use.

I know, but it doesn't feel right to "register" static functionality.

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Zoltán Böszörményi
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