Thorsten Froehlich <tho### [at] trfde> wrote:
> On 22.07.12 11:28, Le_Forgeron wrote:
> > I was afraid of that: tried it already (before posting first post of
> > this thread: ulimit -s has no effect (tried: it's a limit, not an
> > allocation size which is done by the compiler/linker code...)
> >
> > One hope which remains is recompiling with specific options.
> > I have to try -fstack-check , and maybe -fno-stack-limit
> > ... for gnu.
> >
> > I wonder about the flag (if any) for intel compiler (icpc)
>
> Neither compiler nor linker have anything to do with it. The flags you list
> have nothing to do with the stack size set for threads either.
>
> You need superuser rights to set the limit higher than the maximum set by
> the superuser. As user you can only set it to the maximum the superuser has
> permitted.

Note that you need a 2.6 kernel and a not ancient gcc. See
http://www.kernel.org/doc/man-pages/online/pages/man3/pthread_create.3.html and
http://en.wikipedia.org/wiki/Native_POSIX_Thread_Library . It explains how to
use ulimit -s correctly and work with threads as expected.

Thorsten

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