23 extern void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm);
24 extern int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm);
25 extern void __scm_destroy(struct scm_cookie *scm);
28 static __inline__ void scm_destroy(struct scm_cookie *scm)  in scm_destroy()  argument
30 	if (scm && scm->fp)  in scm_destroy()
31 		__scm_destroy(scm);  in scm_destroy()
35 			       struct scm_cookie *scm)  in scm_send()  argument
37 	memset(scm, 0, sizeof(*scm));  in scm_send()
38 	scm->creds.uid = current->uid;  in scm_send()
39 	scm->creds.gid = current->gid;  in scm_send()
40 	scm->creds.pid = current->pid;  in scm_send()
43 	return __scm_send(sock, msg, scm);  in scm_send()
47 				struct scm_cookie *scm, int flags)  in scm_recv()  argument
51 		if (sock->passcred || scm->fp)  in scm_recv()
53 		scm_destroy(scm);  in scm_recv()
58 		put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(scm->creds), &scm->creds);  in scm_recv()
60 	if (!scm->fp)  in scm_recv()
63 	scm_detach_fds(msg, scm);  in scm_recv()