Make sure DEVICE_ADD events are sent to additional event listeners

Thanks to @parov0z for the suggestion.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/libirecovery.c b/src/libirecovery.c
index 6edb948..5b70c08 100644
--- a/src/libirecovery.c
+++ b/src/libirecovery.c
@@ -1853,6 +1853,7 @@ struct irecv_device_event_context {
 
 struct irecv_usb_device_info {
         struct irecv_device_info device_info;
+        enum irecv_mode mode;
         uint32_t location;
         int alive;
 };
@@ -2044,6 +2045,7 @@ static void* _irecv_handle_device_add(void *userdata)
         memcpy(&(usb_dev_info->device_info), &(client_loc.device_info), sizeof(struct irecv_device_info));
         usb_dev_info->location = location;
         usb_dev_info->alive = 1;
+        usb_dev_info->mode = client_loc.mode;
 
         collection_add(&devices, usb_dev_info);
 
@@ -2434,9 +2436,9 @@ irecv_error_t irecv_device_event_subscribe(irecv_device_event_context_t *context
 
         mutex_lock(&listener_mutex);
         collection_add(&listeners, _context);
-        mutex_unlock(&listener_mutex);
 
         if (th_event_handler == THREAD_T_NULL || !thread_alive(th_event_handler)) {
+                mutex_unlock(&listener_mutex);
                 struct _irecv_event_handler_info info;
                 cond_init(&info.startup_cond);
                 mutex_init(&info.startup_mutex);
@@ -2454,6 +2456,18 @@ irecv_error_t irecv_device_event_subscribe(irecv_device_event_context_t *context
                 mutex_unlock(&info.startup_mutex);
                 cond_destroy(&info.startup_cond);
                 mutex_destroy(&info.startup_mutex);
+        } else {
+                /* send DEVICE_ADD events to the new listener */
+                FOREACH(struct irecv_usb_device_info *devinfo, &devices) {
+                        if (devinfo && devinfo->alive) {
+                                irecv_device_event_t ev;
+                                ev.type = IRECV_DEVICE_ADD;
+                                ev.mode = devinfo->mode;
+                                ev.device_info = &(devinfo->device_info);
+                                _context->callback(&ev, _context->user_data);
+                        }
+                } ENDFOREACH
+                mutex_unlock(&listener_mutex);
         }
 
         *context = _context;