diff options
| -rw-r--r-- | net/tap.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -53,6 +53,7 @@ typedef struct TAPState { char down_script[1024]; char down_script_arg[128]; uint8_t buf[TAP_BUFSIZE]; + Notifier exit_notifier; unsigned int read_poll : 1; unsigned int write_poll : 1; unsigned int has_vnet_hdr : 1; @@ -261,6 +262,19 @@ static void tap_cleanup(VLANClientState *nc) tap_read_poll(s, 0); tap_write_poll(s, 0); close(s->fd); + exit_notifier_remove(&s->exit_notifier); +} + +/* Instead of exiting gracefully, we're exiting because someone called + * exit(), make sure to invoke down script at least + */ +static void tap_cleanup_at_exit(Notifier *notifier) +{ + TAPState *s = container_of(notifier, TAPState, exit_notifier); + + if (s->down_script[0]) { + launch_script(s->down_script, s->down_script_arg, s->fd); + } } static void tap_poll(VLANClientState *nc, bool enable) @@ -299,6 +313,8 @@ static TAPState *net_tap_fd_init(VLANState *vlan, s->has_vnet_hdr = vnet_hdr != 0; s->using_vnet_hdr = 0; s->has_ufo = tap_probe_has_ufo(s->fd); + s->exit_notifier.notify = tap_cleanup_at_exit; + exit_notifier_add(&s->exit_notifier); tap_set_offload(&s->nc, 0, 0, 0, 0, 0); tap_read_poll(s, 1); return s; |