Manpages - capng_get_rootid.3

capng_get_rootid - get namespace root id

#include <cap-ng.h>

int capng_get_rootid(void);

capng_get_rootid gets the rootid for capabilities operations. This is only applicable for file system operations.

If the file is in the init namespace or the kernel does not support V3 file system capabilities, it returns CAPNG_UNSET_ROOTID. Otherwise it return an integer for the namespace root id.

*capng_get_caps_fd*(3), *capabilities*(7)

Steve Grubb