From: Simon Marlow <marlowsd@gmail.com>
Date: Thu, 3 Dec 2009 11:02:09 +0000 (+0000)
Subject: add a missing lock around allocGroup()
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=8bc3f02844342419a9c6fe29afe6ab2f07acfb1e

add a missing lock around allocGroup()
---

diff --git a/rts/sm/Storage.c b/rts/sm/Storage.c
index 0f74893..94f9e10 100644
--- a/rts/sm/Storage.c
+++ b/rts/sm/Storage.c
@@ -631,7 +631,9 @@ allocate (Capability *cap, lnat n)
 
         stp = &nurseries[cap->no];
 
+        ACQUIRE_SM_LOCK
 	bd = allocGroup(req_blocks);
+        RELEASE_SM_LOCK;
 	dbl_link_onto(bd, &stp->large_objects);
 	stp->n_large_blocks += bd->blocks; // might be larger than req_blocks
         initBdescr(bd, stp);