bsd/kern/kern_credential.c

3279 	if (uthread->uu_ucred == NOCRED) {
3282 		uthread->uu_ucred = kauth_cred_proc_ref(p);
3284 	return(uthread->uu_ucred);
3319 	if (uthread->uu_ucred != proc->p_ucred &&
3321 		kauth_cred_t old = uthread->uu_ucred;
3322 		uthread->uu_ucred = kauth_cred_proc_ref(proc);
3373 	if (uthread->uu_ucred == NOCRED) {
3375 		uthread->uu_ucred = kauth_cred_proc_ref(procp);
3378 	kauth_cred_ref(uthread->uu_ucred);
3379 	return(uthread->uu_ucred);