File 0002-Fix-alsaseq-polling-at-idle-time.patch of Package timidity

Overview Repositories Revisions Requests Users Attributes Meta

File 0002-Fix-alsaseq-polling-at-idle-time.patch of Package timidity (Revision 1a766f877e19dc818b38794643e84997)

Currently displaying revision 1a766f877e19dc818b38794643e84997 , Show latest

From dcfe540627e65381697785201af5cd6fc90ac3c9 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 30 May 2012 12:56:55 +0200
Subject: [PATCH 2/9] Fix alsaseq polling at idle time

The select() must be called even at idle time.  Otherwise it goes to
busy loop.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 interface/alsaseq_c.c |   27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/interface/alsaseq_c.c b/interface/alsaseq_c.c
index 876a62c..1785ab1 100644
--- a/interface/alsaseq_c.c
+++ b/interface/alsaseq_c.c
@@ -484,6 +484,8 @@ static void stop_playing(void)
 
 static void doit(struct seq_context *ctxp)
 {
+	fd_set rfds;
+	struct timeval timeout;
 	for (;;) {
 		while (snd_seq_event_input_pending(ctxp->handle, 1)) {
 			if (do_sequencer(ctxp))
@@ -511,20 +513,17 @@ static void doit(struct seq_context *ctxp)
 			play_event(&ev);
 			aq_fill_nonblocking();
 		}
-		if (! ctxp->active || ! IS_STREAM_TRACE) {
-			fd_set rfds;
-			FD_ZERO(&rfds);
-			FD_SET(ctxp->fd, &rfds);
-			if (! IS_STREAM_TRACE) {
-				struct timeval timeout;
-				timeout.tv_sec = 0;
-				timeout.tv_usec = 10000; /* 10ms */
-				if (select(ctxp->fd + 1, &rfds, NULL, NULL, &timeout) < 0)
-					goto __done;
-			} else {
-				if (select(ctxp->fd + 1, &rfds, NULL, NULL, NULL) < 0)
-					goto __done;
-			}				
+
+		FD_ZERO(&rfds);
+		FD_SET(ctxp->fd, &rfds);
+		if (ctxp->active) {
+			timeout.tv_sec = 0;
+			timeout.tv_usec = 10000; /* 10ms */
+			if (select(ctxp->fd + 1, &rfds, NULL, NULL, &timeout) < 0)
+				goto __done;
+		} else {
+			if (select(ctxp->fd + 1, &rfds, NULL, NULL, NULL) < 0)
+				goto __done;
 		}
 	}
 
-- 
1.7.9.2

Places

File 0002-Fix-alsaseq-polling-at-idle-time.patch of Package timidity (Revision 1a766f877e19dc818b38794643e84997)

Places