diff options
Diffstat (limited to 'extras/mini-os/kernel.c')
| -rw-r--r-- | extras/mini-os/kernel.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/extras/mini-os/kernel.c b/extras/mini-os/kernel.c index 0313ec8715..e9402b911d 100644 --- a/extras/mini-os/kernel.c +++ b/extras/mini-os/kernel.c @@ -48,12 +48,6 @@ uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32]; -#ifdef CONFIG_XENBUS -unsigned int do_shutdown = 0; -unsigned int shutdown_reason; -DECLARE_WAIT_QUEUE_HEAD(shutdown_queue); -#endif - void setup_xen_features(void) { xen_feature_info_t fi; @@ -71,12 +65,19 @@ void setup_xen_features(void) } #ifdef CONFIG_XENBUS +/* This should be overridden by the application we are linked against. */ +__attribute__((weak)) void app_shutdown(unsigned reason) +{ + printk("Shutdown requested: %d\n", reason); +} + static void shutdown_thread(void *p) { const char *path = "control/shutdown"; const char *token = path; xenbus_event_queue events = NULL; char *shutdown, *err; + unsigned int shutdown_reason; xenbus_watch_path_token(XBT_NIL, path, token, &events); while ((err = xenbus_read(XBT_NIL, path, &shutdown)) != NULL) { @@ -94,10 +95,7 @@ static void shutdown_thread(void *p) else /* Unknown */ shutdown_reason = SHUTDOWN_crash; - wmb(); - do_shutdown = 1; - wmb(); - wake_up(&shutdown_queue); + app_shutdown(shutdown_reason); } #endif |