msgh.msg_control = control;
msgh.msg_controllen = sizeof(control);
+retry:
msglen = recvmsg(mp_fd, &msgh, 0);
+
+ /* zero length message means socket was closed */
+ if (msglen == 0)
+ return 0;
+
if (msglen < 0) {
+ if (errno == EINTR)
+ goto retry;
+
RTE_LOG(ERR, EAL, "recvmsg failed, %s\n", strerror(errno));
return -1;
}
RTE_LOG(ERR, EAL, "invalid received data length\n");
return -1;
}
- return 0;
+ return msglen;
}
static void
struct sockaddr_un sa;
while (mp_fd >= 0) {
- if (read_msg(&msg, &sa) == 0)
- process_msg(&msg, &sa);
+ int ret;
+
+ ret = read_msg(&msg, &sa);
+ if (ret <= 0)
+ break;
+
+ process_msg(&msg, &sa);
}
return NULL;