client: improve poll() loop

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/client.c b/client.c
index 5f0f710a052cc07330bdf4aa3e6c09fea13495f2..b632241aec791d57aaa18df4427538c635a2cb6d 100644 (file)
--- a/client.c
+++ b/client.c
@@ -31,9 +31,11 @@ struct fio_client {
 };
 
 enum {
+       Client_created          = 0,
        Client_connected        = 1,
        Client_started          = 2,
        Client_stopped          = 3,
+       Client_exited           = 4,
 };
 
 static FLIST_HEAD(client_list);
@@ -525,14 +527,16 @@ int fio_handle_clients(void)
 
                assert(i == nr_clients);
 
-               ret = poll(pfds, nr_clients, 100);
-               if (ret < 0) {
-                       if (errno == EINTR)
+               do {
+                       ret = poll(pfds, nr_clients, 100);
+                       if (ret < 0) {
+                               if (errno == EINTR)
+                                       continue;
+                               log_err("fio: poll clients: %s\n", strerror(errno));
+                               break;
+                       } else if (!ret)
                                continue;
-                       log_err("fio: poll clients: %s\n", strerror(errno));
-                       break;
-               } else if (!ret)
-                       continue;
+               } while (ret <= 0);
 
                for (i = 0; i < nr_clients; i++) {
                        if (!(pfds[i].revents & POLLIN))