+
+ /* Check if inode number has changed. If yes, then create a new mapping */
+ if (stat_old.st_ino == stat_new.st_ino) {
+ close(fd);
+ return 0;
+ }
+
+ if (munmap(ec->config.keep_alive.shm, sizeof(dpdk_keepalive_shm_t)) != 0) {
+ ERROR(DPDK_EVENTS_PLUGIN ": munmap KA monitor failed");
+ close(fd);
+ return -1;
+ }
+
+ close(ec->config.keep_alive.fd);
+ ec->config.keep_alive.fd = -1;
+ }
+
+ ec->config.keep_alive.shm = (dpdk_keepalive_shm_t *)mmap(
+ 0, sizeof(*(ec->config.keep_alive.shm)), PROT_READ, MAP_SHARED, fd, 0);
+ if (ec->config.keep_alive.shm == MAP_FAILED) {
+ ERROR(DPDK_EVENTS_PLUGIN ": Failed to mmap KA SHM:%s",
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ close(fd);
+ return errno;