io_uring_register_personality(3) liburing Manual NAME io_uring_register_personality - register credentials with io_uring SYNOPSIS #include int io_uring_register_personality(struct io_uring *ring); DESCRIPTION The io_uring_register_personality(3) function registers the credentials of the calling application with the io_uring instance specified by ring. This allows a ring to be shared between separate users or processes while maintaining credential separation. The returned personality ID can be used in the personality field of a submission queue entry to execute that request with the registered credentials. RETURN VALUE Returns a positive personality ID on success that can be used in future operations. On error, a negative errno value is returned. SEE ALSO io_uring_unregister_personality(3), io_uring_register(2) liburing-2.4 January 18, 2025 io_uring_register_personality(3)