Explicitly flush output at end of each zevent

For "zpool events -f" flush stdout to ensure the last zevent
is always printed immediately.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1568

diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 37aa289..19f1f28 100644 (file)
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -5243,6 +5243,7 @@ zpool_do_events_next(ev_opts_t *opts)
                        zpool_do_events_nvprint(nvl, 8);
                        printf(gettext("\n"));
                }
+               (void) fflush(stdout);
 
                nvlist_free(nvl);
        }