109     struct cmsghdr *cmsg;  in multiprocessing_sendfd()  local
127     cmsg = CMSG_FIRSTHDR(&msg);  in multiprocessing_sendfd()
128     cmsg->cmsg_len = CMSG_LEN(sizeof(int));  in multiprocessing_sendfd()
129     cmsg->cmsg_level = SOL_SOCKET;  in multiprocessing_sendfd()
130     cmsg->cmsg_type = SCM_RIGHTS;  in multiprocessing_sendfd()
131     * (int *) CMSG_DATA(cmsg) = fd;  in multiprocessing_sendfd()
149     struct cmsghdr *cmsg;  in multiprocessing_recvfd()  local
167     cmsg = CMSG_FIRSTHDR(&msg);  in multiprocessing_recvfd()
168     cmsg->cmsg_level = SOL_SOCKET;  in multiprocessing_recvfd()
169     cmsg->cmsg_type = SCM_RIGHTS;  in multiprocessing_recvfd()
170     cmsg->cmsg_len = CMSG_LEN(sizeof(int));  in multiprocessing_recvfd()
171     msg.msg_controllen = cmsg->cmsg_len;  in multiprocessing_recvfd()
181         (cmsg = CMSG_FIRSTHDR(&msg)) == NULL ||  in multiprocessing_recvfd()
182         cmsg->cmsg_level != SOL_SOCKET ||  in multiprocessing_recvfd()
183         cmsg->cmsg_type != SCM_RIGHTS ||  in multiprocessing_recvfd()
184         cmsg->cmsg_len < CMSG_LEN(sizeof(int))) {  in multiprocessing_recvfd()
191     fd = * (int *) CMSG_DATA(cmsg);  in multiprocessing_recvfd()