From 01faa6f4e30e2a75319ca2b402f19fca0a6ae9b6 Mon Sep 17 00:00:00 2001
From: "J. Alexander Treuman" <jat@spatialrift.net>
Date: Mon, 4 Jun 2007 23:14:38 +0000
Subject: Set a flag if we've sent the player process SIGSTOP so that we know
 not to wait for it to complete an action which it never will.

git-svn-id: https://svn.musicpd.org/mpd/trunk@6488 09075e82-0dd4-0310-85a5-a0d7c8717e4f
---
 src/player.c     | 12 +++++++++---
 src/player.h     |  1 +
 src/playerData.c |  1 +
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/player.c b/src/player.c
index beff9b389..096503b19 100644
--- a/src/player.c
+++ b/src/player.c
@@ -110,11 +110,13 @@ void player_sigChldHandler(int pid, int status)
 
 int playerInit(void)
 {
+	PlayerControl *pc = &(getPlayerData()->playerControl);
 	int pid;
 
 	pid = player_pid;
 	if (pid > 0) {
 		kill(pid, SIGCONT);
+		pc->wait = 0;
 		return 0;
 	}
 
@@ -124,8 +126,6 @@ int playerInit(void)
 	{
 		clock_t start = clock();
 
-		PlayerControl *pc = &(getPlayerData()->playerControl);
-
 		unblockSignals();
 
 		setSigHandlersForDecoder();
@@ -184,16 +184,22 @@ int playerInit(void)
 
 int playerWait(int fd)
 {
+	PlayerControl *pc = &(getPlayerData()->playerControl);
 	int pid;
 
+	if (pc->wait)
+		return 0;
+
 	if (playerStop(fd) < 0)
 		return -1;
 
 	playerCloseAudio();
 
 	pid = player_pid;
-	if (pid > 0)
+	if (pid > 0) {
+		pc->wait = 1;
 		kill(pid, SIGSTOP);
+	}
 
 	return 0;
 }
diff --git a/src/player.h b/src/player.h
index de44f8e64..17dcf16e0 100644
--- a/src/player.h
+++ b/src/player.h
@@ -57,6 +57,7 @@
 #define PLAYER_METADATA_STATE_WRITE     2
 
 typedef struct _PlayerControl {
+	volatile mpd_sint8 wait;
 	volatile mpd_sint8 stop;
 	volatile mpd_sint8 play;
 	volatile mpd_sint8 pause;
diff --git a/src/playerData.c b/src/playerData.c
index 30ff6d6d6..380e4a148 100644
--- a/src/playerData.c
+++ b/src/playerData.c
@@ -118,6 +118,7 @@ void initPlayerData(void)
 		      buffered_chunks * sizeof(mpd_sint8));
 	buffer->acceptMetadata = 0;
 
+	playerData_pd->playerControl.wait = 0;
 	playerData_pd->playerControl.stop = 0;
 	playerData_pd->playerControl.pause = 0;
 	playerData_pd->playerControl.play = 0;
-- 
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