X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=vss.c;h=f225aa74568fb057058cea5d3590aae0ffeffaf1;hp=30285aeff5441e540f66dc92afc8b0717a60d9b5;hb=7bcce4a433d575b15bfb70b7274562d65dd4bd66;hpb=d54fa6e3d72bb509ed098dc65f4ad26f5aae7aab

diff --git a/vss.c b/vss.c
index 30285aef..f225aa74 100644
--- a/vss.c
+++ b/vss.c
@@ -1078,25 +1078,6 @@ static void vss_send(struct vss_task *vsst)
 			senders[i].send(mmd->current_chunk, mmd->chunks_sent,
 				buf, len, vsst->header_buf, vsst->header_len);
 		}
-		/*
-		 * Prefault next chunk(s)
-		 *
-		 * If the backing device of the memory-mapped audio file is
-		 * slow and read-ahead is turned off or prevented for some
-		 * reason, e.g. due to memory pressure, it may take much longer
-		 * than the chunk interval to get the next chunk on the wire,
-		 * causing buffer underruns on the client side. Mapping the
-		 * file with MAP_POPULATE seems to help a bit, but it does not
-		 * eliminate the delays completely. Moreover, it is supported
-		 * only on Linux. So we do our own read-ahead here.
-		 */
-		if (mmd->current_chunk > 0) { /* chunk 0 might be on the heap */
-			buf += len;
-			for (i = 0; i < 5 && buf < vsst->map + vsst->mapsize; i++) {
-				__a_unused volatile char x = *buf;
-				buf += 4096;
-			}
-		}
 		mmd->chunks_sent++;
 		mmd->current_chunk++;
 	}
@@ -1177,11 +1158,10 @@ static int vss_post_select(struct sched *s, void *context)
  * This also initializes all supported senders and starts streaming
  * if the --autoplay command line flag was given.
  */
-void init_vss_task(int afs_socket, struct sched *s)
+void vss_init(int afs_socket, struct sched *s)
 {
 	static struct vss_task vss_task_struct, *vsst = &vss_task_struct;
 	int i;
-	char *hn = para_hostname(), *home = para_homedir();
 	long unsigned announce_time = OPT_UINT32_VAL(ANNOUNCE_TIME),
 		autoplay_delay = OPT_UINT32_VAL(AUTOPLAY_DELAY);
 	vsst->header_interval.tv_sec = 5; /* should this be configurable? */
@@ -1193,8 +1173,6 @@ void init_vss_task(int afs_socket, struct sched *s)
 		PARA_NOTICE_LOG("initializing %s sender\n", senders[i].name);
 		senders[i].init(&senders[i]);
 	}
-	free(hn);
-	free(home);
 	mmd->sender_cmd_data.cmd_num = -1;
 	if (OPT_GIVEN(AUTOPLAY)) {
 		struct timeval tmp;