sg/binject: only restore file flags if they have been set

[fio.git] / engines / binject.c

diff --git a/engines/binject.c b/engines/binject.c
index 0264d0a32c0d62e0f3d5bb3c534ee942c0057f6b..43e316950be45a3f9c9a183c6e7619b60b980b98 100644 (file)
--- a/engines/binject.c
+++ b/engines/binject.c
@@ -110,7 +110,9 @@ static int fio_binject_getevents(struct thread_data *td, unsigned int min,
                 * don't block for min events == 0
                 */
                if (!min)
-                       fio_set_fd_nonblocking(bf->fd, "binject");
+                       bd->fd_flags[i] = fio_set_fd_nonblocking(bf->fd, "binject");
+               else
+                       bd->fd_flags[i] = -1;
 
                bd->pfds[i].fd = bf->fd;
                bd->pfds[i].events = POLLIN;
@@ -153,7 +155,12 @@ static int fio_binject_getevents(struct thread_data *td, unsigned int min,
        if (!min) {
                for_each_file(td, f, i) {
                        bf = (struct binject_file *) (uintptr_t) f->engine_data;
-                       fcntl(bf->fd, F_SETFL, bd->fd_flags[i]);
+
+                       if (bd->fd_flags[i] == -1)
+                               continue;
+
+                       if (fcntl(bf->fd, F_SETFL, bd->fd_flags[i]) < 0)
+                               log_err("fio: binject failed to restore fcntl flags: %s\n", strerror(errno));
                }
        }