flux_shell_get_hwloc_xml(3)

SYNOPSIS

#include <flux/shell.h>
#include <errno.h>

int flux_shell_get_hwloc_xml (flux_shell_t *shell,
                              const char **hwloc_xml);

DESCRIPTION

flux_shell_get_hwloc_xml() returns an hwloc XML string which has been cached by the job shell. This XML string can be used to load an hwloc topology via hwloc_topology_load() without requiring shell components to rediscover the entire topology by probing the local system. This can make loading hwloc topology much more efficient.

RETURN VALUE

flux_shell_get_hwloc_xml() returns 0 on success and -1 on error.

ERRORS

EINVAL

shell or hwloc_xml are NULL, or the current shell object is being used uninitialized.

RESOURCES

Flux: http://flux-framework.org

Jansson: https://jansson.readthedocs.io/en/2.10/apiref.html