*/
const char *mount_base(void);
+struct load_task;
+
+struct load_url_result {
+ enum {
+ LOAD_OK, /* load complete. other members should only be
+ accessed if status == LOAD_OK */
+
+ LOAD_ERROR, /* only signalled to async loaders
+ * (sync will see a NULL result) */
+
+ LOAD_ASYNC, /* async load still in progress */
+
+ LOAD_CANCELLED,
+ } status;
+ const char *local;
+ bool cleanup_local;
+ struct load_task *task;
+};
+
+/* callback type for asynchronous loads. The callback implementation is
+ * responsible for freeing result.
+ */
+typedef void (*load_url_complete)(struct load_url_result *result, void *data);
+
/* Load a (potentially remote) file, and return a guaranteed-local name */
-char *load_url(void *ctx, struct pb_url *url, unsigned int *tempfile);
+struct load_url_result *load_url_async(void *ctx, struct pb_url *url,
+ load_url_complete complete, void *data);
+
+/* Cancel a pending load */
+void load_url_async_cancel(struct load_url_result *res);
+
+struct load_url_result *load_url(void *ctx, struct pb_url *url);
#endif /* PATHS_H */