Add end_run hook to worker interface.

2 files changed, 13 insertions, 1 deletions

diff --git a/lv2/lv2plug.in/ns/ext/worker/worker.h b/lv2/lv2plug.in/ns/ext/worker/worker.h
index 6b1e261..b0d87ec 100644
--- a/lv2/lv2plug.in/ns/ext/worker/worker.h
+++ b/lv2/lv2plug.in/ns/ext/worker/worker.h
@@ -94,6 +94,18 @@ typedef struct _LV2_Worker_Interface {
 	LV2_Worker_Status (*work_response)(LV2_Handle  instance,
 	                                   uint32_t    size,
 	                                   const void* body);
+
+	/**
+	   Called when all responses for this cycle have been delivered.
+
+	   Since work_response() may be called after run() finished, this provides
+	   a hook for code that must run after the cycle is completed.
+
+	   This field may be NULL if the plugin has no use for it.  Otherwise, the
+	   host MUST call it after every run(), regardless of whether or not any
+	   responses were sent that cycle.
+	*/
+	LV2_Worker_Status (*end_run)(LV2_Handle instance);
 } LV2_Worker_Interface;
 
 typedef void* LV2_Worker_Schedule_Handle;
diff --git a/plugins/eg-sampler.lv2/sampler.c b/plugins/eg-sampler.lv2/sampler.c
index 229762e..baae81a 100644
--- a/plugins/eg-sampler.lv2/sampler.c
+++ b/plugins/eg-sampler.lv2/sampler.c
@@ -425,7 +425,7 @@ static const void*
 extension_data(const char* uri)
 {
 	static const LV2_State_Interface  state  = { save, restore };
-	static const LV2_Worker_Interface worker = { work, work_response };
+	static const LV2_Worker_Interface worker = { work, work_response, NULL };
 	if (!strcmp(uri, LV2_STATE__Interface)) {
 		return &state;
 	} else if (!strcmp(uri, LV2_WORKER__Interface)) {