From f126802236bb059b8f0e804c76aef1031beb8a44 Mon Sep 17 00:00:00 2001
From: Jeffrey Altman <jaltman@secure-endpoints.com>
Date: Tue, 12 Dec 2006 17:02:37 +0000
Subject: [PATCH] windows-sleep-when-out-of-buffers-20061212

When there are no free buffers, don't loop continuously.
Sleep so that the other threads that are holding the buffers
can grab the global buffer lock and release them.
---
 src/WINNT/afsd/cm_buf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/WINNT/afsd/cm_buf.c b/src/WINNT/afsd/cm_buf.c
index e19ab0aae0..9b790e51fb 100644
--- a/src/WINNT/afsd/cm_buf.c
+++ b/src/WINNT/afsd/cm_buf.c
@@ -862,6 +862,7 @@ long buf_GetNewLocked(struct cm_scache *scp, osi_hyper_t *offsetp, cm_buf_t **bu
             return 0;
         } /* for all buffers in lru queue */
         lock_ReleaseWrite(&buf_globalLock);
+		Sleep(100);		/* give some time for a buffer to be freed */
     }	/* while loop over everything */
     /* not reached */
 } /* the proc */