capng_set_rootid - set namespace root id

Steve Grubb Red Hat Sept 2020 CAPNG_SET_ROOTID(3)

capng_set_rootid sets the rootid for capabilities operations. This is only applicable for file system operations.

capng_set_rootid - set namespace root id

On success, it returns 0. It returns -1 if there is an internal error or the kernel does not suppor V3 filesystem capabilities.

capng_set_caps_fd(3), capabilities(7)

#include<cap-ng.h> int capng_set_rootid(int rootid);