X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fdaemon.h;h=40a087de773a3b9915734446cd2855a11cb7c107;hb=79f5720d2ccab820c90b7516f3fbf5e3dcbe9c8f;hp=3a67758b88b5be07b0e552600945cba5033eedf7;hpb=a0e3b2183733c7440ad017c4ffe361935672339b;p=libguestfs.git

diff --git a/daemon/daemon.h b/daemon/daemon.h
index 3a67758..40a087d 100644
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -174,6 +174,23 @@ extern void reply (xdrproc_t xdrp, char *ret);
  */
 extern void notify_progress (uint64_t position, uint64_t total);
 
+/* Pulse mode progress messages.
+ *
+ * Call pulse_mode_start to start sending progress messages.
+ *
+ * Call pulse_mode_end along the ordinary exit path (ie. before a
+ * reply message is sent).
+ *
+ * Call pulse_mode_cancel along all error paths *before* any reply is
+ * sent.  pulse_mode_cancel does not modify errno, so it is safe to
+ * call it before reply_with_perror.
+ *
+ * Pulse mode and ordinary notify_progress must not be mixed.
+ */
+extern void pulse_mode_start (void);
+extern void pulse_mode_end (void);
+extern void pulse_mode_cancel (void);
+
 /* Helper for functions that need a root filesystem mounted.
  * NB. Cannot be used for FileIn functions.
  */