hwlocality_info_attr(3) Library Functions Manual hwlocality_info_attr(3)

hwlocality_info_attr - Consulting and Adding Info Attributes


static const char * hwloc_obj_get_info_by_name (hwloc_obj_t obj, const char *name)
int hwloc_obj_add_info (hwloc_obj_t obj, const char *name, const char *value)

Add the given name and value pair to the given object info attributes. The info pair is appended to the existing info array even if another pair with the same name already exists.

The input strings are copied before being added in the object infos.

Returns

0 on success, -1 on error.

Note

This function may be used to enforce object colors in the lstopo graphical output by adding 'lstopoStyle' as a name and 'Background=#rrggbb' as a value. See CUSTOM COLORS in the lstopo(1) manpage for details.

If name or value contain some non-printable characters, they will be dropped when exporting to XML, see hwloc_topology_export_xml() in hwloc/export.h.

Search the given name in object infos and return the corresponding value. If multiple info attributes match the given name, only the first one is returned.

Returns

A pointer to the value string if it exists.

NULL if no such info attribute exists.

Note

The string should not be freed by the caller, it belongs to the hwloc library.

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Version 2.10.0 Hardware Locality (hwloc)