From 9ae6231e4f2e866119ebc5d552c2ad17c257532a Mon Sep 17 00:00:00 2001
From: torben <torben@0c269be4-1314-0410-8aa9-9f06e86f4224>
Date: Wed, 12 Jan 2011 17:06:23 +0000
Subject: [PATCH] [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 | 4 +---
 jack/types.h                    | 2 +-
 libjack/client.c                | 3 ++-
 tools/alsa_in.c                 | 4 +---
 tools/alsa_out.c                | 4 +---
 5 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/example-clients/latent_client.c b/example-clients/latent_client.c
index 5976bd4..dde6c94 100644
--- a/example-clients/latent_client.c
+++ b/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;
 }
 
 /**
diff --git a/jack/types.h b/jack/types.h
index 859d693..3f07118 100644
--- a/jack/types.h
+++ b/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.
diff --git a/libjack/client.c b/libjack/client.c
index f5449e8..84d2234 100644
--- a/libjack/client.c
+++ b/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
diff --git a/tools/alsa_in.c b/tools/alsa_in.c
index c6a1a79..e86ef66 100644
--- a/tools/alsa_in.c
+++ b/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;
 }
 
 
diff --git a/tools/alsa_out.c b/tools/alsa_out.c
index 4499894..1c8971c 100644
--- a/tools/alsa_out.c
+++ b/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;
 }