From 086dbe90c8deccff95d62f46cdebbe51f01b37a6 Mon Sep 17 00:00:00 2001
From: David McPaul <dlmcpaul@gmail.com>
Date: Sun, 10 Aug 2008 13:54:03 +0000
Subject: [PATCH] limit no of retries to prevent infinite loop

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26914 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/media/ChunkCache.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/kits/media/ChunkCache.cpp b/src/kits/media/ChunkCache.cpp
index 47ca610242..35c5b04dc6 100644
--- a/src/kits/media/ChunkCache.cpp
+++ b/src/kits/media/ChunkCache.cpp
@@ -89,6 +89,8 @@ ChunkCache::NeedsRefill()
 status_t
 ChunkCache::GetNextChunk(const void **chunkBuffer, size_t *chunkSize, media_header *mediaHeader)
 {
+uint8 retry_count = 0;
+
 //	printf("ChunkCache::GetNextChunk: %p fEmptyChunkCount %ld, fReadyChunkCount %ld\n", fNextGet, fEmptyChunkCount, fReadyChunkCount);
 retry:
 	acquire_sem(fGetWaitSem);
@@ -97,6 +99,11 @@ retry:
 	if (fReadyChunkCount == 0) {
 		fLocker->Unlock();
 		printf("ChunkCache::GetNextChunk: %p retrying\n", fNextGet);
+		// Limit to 5 retries
+		retry_count++;
+		if (retry_count > 4) {
+			return B_ERROR;
+		}
 		goto retry;
 	}
 	fEmptyChunkCount++;