Re: [RFC/PATCH] RLIMIT_ARG_MAX

Geoff Clare
2008-03-01T08:55:52Z

Michael Kerrisk <michael.kerrisk@googlemail.com> wrote, on 29 Feb 2008:
>
> My reading of POSIX.1 (and POSIX doesn't seem very explicit on this
> point), is that the limits on argv+environ and on stack are decoupled,
> since POSIX specifies RLIMIT_STACK and sysconf(_SC_ARG_MAX) and doesn't
> specify any relationship between the two.

POSIX doesn't specify any relationship between them because (as far
as POSIX is concerned) they are limits on entirely different things.
sysconf(_SC_ARG_MAX) is a limit on how much arg+env a process can
_pass_ to the exec*() functions. The RLIMIT_* limits are limits on
the process itself.

--
Geoff Clare <g.clare@opengroup.org>
The Open Group, Thames Tower, Station Road, Reading, RG1 1LX, England