X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=ghc%2Fincludes%2FStorage.h;h=46081ad69bf984f952c47a1fdde1a1025a422498;hp=a04a41187cc8ae5584a223269b93ccd64eac1002;hb=25cc1d1f2d9bf9a83725e49884bd83ab35000e3e;hpb=5d9f7faf4c6519af8da750919c986ffcda660030

diff --git a/ghc/includes/Storage.h b/ghc/includes/Storage.h
index a04a411..46081ad 100644
--- a/ghc/includes/Storage.h
+++ b/ghc/includes/Storage.h
@@ -200,6 +200,7 @@ extern void GarbageCollect(void (*get_roots)(evac_fn),rtsBool force_major_gc);
  */
 #if defined(THREADED_RTS)
 extern Mutex sm_mutex;
+extern Mutex atomic_modify_mutvar_mutex;
 #endif
 
 #if defined(THREADED_RTS)