2 files changed, 8 insertions, 0 deletions
diff --git a/rts/include/rts/storage/Closures.h b/rts/include/rts/storage/Closures.h
index 41861abac9..8634c1a5fc 100644
--- a/rts/include/rts/storage/Closures.h
+++ b/rts/include/rts/storage/Closures.h
@@ -282,6 +282,13 @@ typedef struct {
     StgHeader  header;
 } StgStopFrame;
 
+// Stack frame indicating that the stack's owning thread has finished.
+//
+// Closure types: RET_SMALL
+typedef struct {
+    StgHeader  header;
+    StgClosure *result;
+} StgDeadThreadFrame;
 
 // A function return stack frame: used when saving the state for a
 // garbage collection at a function entry point.  The function
diff --git a/rts/include/stg/MiscClosures.h b/rts/include/stg/MiscClosures.h
index e87eba0931..b5efd9636b 100644
--- a/rts/include/stg/MiscClosures.h
+++ b/rts/include/stg/MiscClosures.h
@@ -159,6 +159,7 @@ RTS_RET(stg_ctoi_t61);
 RTS_RET(stg_ctoi_t62);
 
 RTS_RET(stg_apply_interp);
+RTS_RET(stg_dead_thread);
 
 RTS_ENTRY(stg_IND);
 RTS_ENTRY(stg_IND_STATIC);