From 5e7d109e3cac8c46f3842df4988f082579de7ffa Mon Sep 17 00:00:00 2001
From: Won Star
Date: Thu, 29 Jun 2006 05:34:56 +0000
Subject: Lock sound timer thread.

svn-id: r23340
---
 backends/gp32/gp32std_sound.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'backends/gp32')

diff --git a/backends/gp32/gp32std_sound.cpp b/backends/gp32/gp32std_sound.cpp
index 711a101fc8..56335f1c4f 100644
--- a/backends/gp32/gp32std_sound.cpp
+++ b/backends/gp32/gp32std_sound.cpp
@@ -43,6 +43,14 @@ static GPSOUNDBUF soundBuf;
 // polls the current playing position within the buffer.
 
 static void soundTimer() {
+	static int locked = false;
+
+	if (locked) {
+		return;
+	}
+
+	locked = true;
+
 	unsigned int sampleshiftVal = soundBuf.samples << shiftVal;
 	unsigned int t = (((unsigned int)(*soundPos) - (unsigned int)buffer) >> shiftVal) >= soundBuf.samples ? 1 : 0;
 	if (t != frame) {
@@ -90,6 +98,8 @@ static void soundTimer() {
 			} while ((uint32)d < max);
 		}
 	}
+
+	locked = false;
 }
 
 int gp_soundBufStart(GPSOUNDBUF *sb) {
-- 
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