[latency api] switch JackLatencyCallback to return void

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@4109 0c269be4-1314-0410-8aa9-9f06e86f4224

example-clients/latent_client.c

@@ -46,7 +46,7 @@ process (jack_nframes_t nframes, void *arg)
 	return 0;      
 }
 
-int
+void
 latency_cb (jack_latency_callback_mode_t mode, void *arg)
 {
 	jack_latency_range_t range;
@@ -61,8 +61,6 @@ latency_cb (jack_latency_callback_mode_t mode, void *arg)
 		range.max += latency;
 		jack_port_set_latency_range (input_port, mode, &range);
 	}
-
-	return 0;
 }
 
 /**

jack/types.h

@@ -254,7 +254,7 @@ typedef enum JackLatencyCallbackMode jack_latency_callback_mode_t;
  *
  * @return zero on success, non-zero on error
  */ 
-typedef int  (*JackLatencyCallback)(jack_latency_callback_mode_t mode, void *arg);
+typedef void (*JackLatencyCallback)(jack_latency_callback_mode_t mode, void *arg);
 
 /**
  * the new latency API operates on Ranges.

libjack/client.c

@@ -668,7 +668,8 @@ jack_client_handle_latency_callback (jack_client_t *client, jack_event_t *event,
 	/* we have a latency callback setup by the client,
 	 * lets use it...
 	 */
-	return client->latency_cb ( mode, client->latency_cb_arg);
+	client->latency_cb ( mode, client->latency_cb_arg);
+	return 0;
 }
 
 #if JACK_USE_MACH_THREADS

tools/alsa_in.c

@@ -469,7 +469,7 @@ again:
  * sets up the latencies on the ports.
  */
 
-int
+void
 latency_cb (jack_latency_callback_mode_t mode, void *arg)
 {
 	jack_latency_range_t range;
@@ -488,8 +488,6 @@ latency_cb (jack_latency_callback_mode_t mode, void *arg)
 			jack_port_set_latency_range (port, mode, &range);
 		}
 	}
-
-	return 0;
 }
 
 

tools/alsa_out.c

@@ -467,7 +467,7 @@ again:
  * sets up the latencies on the ports.
  */
 
-int
+void
 latency_cb (jack_latency_callback_mode_t mode, void *arg)
 {
 	jack_latency_range_t range;
@@ -486,8 +486,6 @@ latency_cb (jack_latency_callback_mode_t mode, void *arg)
 			jack_port_set_latency_range (port, mode, &range);
 		}
 	}
-
-	return 0;
 }