* Re: [Xenomai] [Xenomai-git] Jan Kiszka : lib/cobalt: Introduce and use COBALT_STACKSIZE_DEFAULT/MIN
[not found] <E1Yka0Q-00008T-J2@sd-51317.xenomai.org>
@ 2015-04-21 15:30 ` Gilles Chanteperdrix
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From: Gilles Chanteperdrix @ 2015-04-21 15:30 UTC (permalink / raw)
To: xenomai; +Cc: xenomai-git
On Tue, Apr 21, 2015 at 05:22:34PM +0200, git repository hosting wrote:
> +#define COBALT_STACKSIZE_MIN (PTHREAD_STACK_MIN * 2)
> +#define COBALT_STACKSIZE_DEFAULT (PTHREAD_STACK_MIN * 4)
This looks like a bad idea to me, I preferred __WORDSIZE * 1024.
Some architectures (I think ppc64 or ia64 had that) have
sufficiently large values of PTHREAD_STACK_MIN, so there is no
reason to set a larger default in that case. On the other hand, if
PTHREAD_STACK_MIN causes printf to fail with a stack overflow, we
want a larger default stack size, because the average user will not
expect printf to cause a stack overflow.
--
Gilles.
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2015-04-21 15:30 ` [Xenomai] [Xenomai-git] Jan Kiszka : lib/cobalt: Introduce and use COBALT_STACKSIZE_DEFAULT/MIN Gilles Chanteperdrix
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