From: | Phil Sorber <phil(at)omniti(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: xmalloc => pg_malloc |
Date: | 2012-10-02 16:44:26 |
Message-ID: | CADAkt-gv6GYV7Bt3vjzVTBsqtnnWtSs6P+Z9uRS4SkbtTRx9tA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, Oct 2, 2012 at 12:30 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Andres Freund <andres(at)2ndquadrant(dot)com> writes:
>>> pg_calloc (randomly different API for pg_malloc0)
>
>> Do we need this?
>
> I thought about getting rid of it, but there are some dozens of calls
> scattered across several files, so I wasn't sure it was worth it.
> Anybody else have an opinion?
I think having more than 1 function that does the same thing is
generally a bad idea. It sounds like it is going to cause confusion
and provide no real benefit.
>
>> I wonder whether the same set of functions should also be available in the
>> backend with ereport(EC_OUT_OF_MEMORY, ...) behaviour as well.
>
> In the backend, you almost always ought to be using palloc instead.
> The only places where it's really appropriate to be using malloc
> directly are where you don't want an error thrown for out-of-memory.
> So I think providing these in the backend would do little except to
> encourage bad programming.
>
> regards, tom lane
>
>
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