From e849e67ceff4a2f5d457dedee8f18de1646b9dc3 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Sun, 7 Apr 2002 20:31:45 +0200
Subject: [PATCH] rnd-20020407-4-src

---
 src/libgame/sound.c  | 10 ++++++++--
 src/libgame/system.c |  2 +-
 src/timestamp.h      |  2 +-
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/libgame/sound.c b/src/libgame/sound.c
index d10f0f2b..92c2253c 100644
--- a/src/libgame/sound.c
+++ b/src/libgame/sound.c
@@ -135,7 +135,7 @@ static boolean ForkAudioProcess(void)
     return FALSE;
   }
 
-  if (audio.soundserver_pid == 0)	/* we are child */
+  if (audio.soundserver_pid == 0)	/* we are child process */
   {
     SoundServer();
 
@@ -168,7 +168,7 @@ void UnixCloseAudio(void)
   if (audio.device_fd)
     close(audio.device_fd);
 
-  if (audio.soundserver_pid)
+  if (audio.soundserver_pid > 0)	/* we are parent process */
     kill(audio.soundserver_pid, SIGTERM);
 }
 #endif	/* PLATFORM_UNIX */
@@ -1169,6 +1169,9 @@ void PlaySoundExt(int nr, int volume, int stereo, boolean loop)
   Mix_Volume(-1, SOUND_MAX_VOLUME);
   Mix_PlayChannel(-1, Sound[nr].mix_chunk, (loop ? -1 : 0));
 #elif defined(PLATFORM_UNIX)
+  if (audio.soundserver_pid == 0)	/* we are child process */
+    return;
+
   if (write(audio.soundserver_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0)
   {
     Error(ERR_WARN, "cannot pipe to child process -- no sounds");
@@ -1274,6 +1277,9 @@ void StopSoundExt(int nr, int method)
 
 #else
 #if !defined(PLATFORM_MSDOS)
+  if (audio.soundserver_pid == 0)	/* we are child process */
+    return;
+
   if (write(audio.soundserver_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0)
   {
     Error(ERR_WARN, "cannot pipe to child process -- no sounds");
diff --git a/src/libgame/system.c b/src/libgame/system.c
index fd0815b3..521e43f4 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -731,7 +731,7 @@ inline void OpenAudio(void)
   audio.sound_enabled = FALSE;
 
   audio.soundserver_pipe[0] = audio.soundserver_pipe[1] = 0;
-  audio.soundserver_pid = 0;
+  audio.soundserver_pid = -1;
   audio.device_name = NULL;
   audio.device_fd = 0;
 
diff --git a/src/timestamp.h b/src/timestamp.h
index 1078b58d..af1b9a59 100644
--- a/src/timestamp.h
+++ b/src/timestamp.h
@@ -1 +1 @@
-#define COMPILE_DATE_STRING "[2002-04-07 20:15]"
+#define COMPILE_DATE_STRING "[2002-04-07 20:31]"
-- 
2.34.1