[libvirt PATCH 4/9] util: add helper for raising the max files limit

[Peter Krempa]

On Wed, Jun 21, 2023 at 14:32:27 +0100, Daniel P. Berrangé wrote:
> Historically the max files limit for processes has always been 1024,
> because going beyond this is incompatible with the select() function.
> None the less most apps these days will use poll() so should not be
> limited in this way.
> 
> Since systemd >= 240, the hard limit will be 500k, while the soft
> limit remains at 1k. Applications which don't use select() should
> raise their soft limit to match the hard limit during their startup.
> 
> This function provides a convenient helper to do this limit raising.
> 
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>  src/libvirt_private.syms |  1 +
>  src/util/virprocess.c    | 34 ++++++++++++++++++++++++++++++++++
>  src/util/virprocess.h    |  1 +
>  3 files changed, 36 insertions(+)

Reviewed-by: Peter Krempa <pkrempa at redhat.com>