Capability stopping when waiting for GC

[ghc-hetmet.git] / rts / Capability.h

diff --git a/rts/Capability.h b/rts/Capability.h
index 641f37d..f13afe2 100644 (file)
--- a/rts/Capability.h
+++ b/rts/Capability.h
@@ -89,7 +89,8 @@ struct Capability_ {
 #endif
 
     // Per-capability STM-related data
-    StgTVarWaitQueue *free_tvar_wait_queues;
+    StgTVarWatchQueue *free_tvar_watch_queues;
+    StgInvariantCheckQueue *free_invariant_check_queues;
     StgTRecChunk *free_trec_chunks;
     StgTRecHeader *free_trec_headers;
     nat transaction_tokens;
@@ -161,6 +162,9 @@ extern Capability *capabilities;
 //
 extern Capability *last_free_capability;
 
+// GC indicator, in scope for the scheduler
+extern volatile StgWord waiting_for_gc;
+
 // Acquires a capability at a return point.  If *cap is non-NULL, then
 // this is taken as a preference for the Capability we wish to
 // acquire.
@@ -216,7 +220,7 @@ void prodAllCapabilities (void);
 // Waits for a capability to drain of runnable threads and workers,
 // and then acquires it.  Used at shutdown time.
 //
-void shutdownCapability (Capability *cap, Task *task);
+void shutdownCapability (Capability *cap, Task *task, rtsBool wait_foreign);
 
 // Attempt to gain control of a Capability if it is free.
 //
@@ -231,6 +235,14 @@ extern void grabCapability (Capability **pCap);
 
 #endif /* !THREADED_RTS */
 
+// Free a capability on exit
+void freeCapability (Capability *cap);
+
+// FOr the GC:
+void markSomeCapabilities (evac_fn evac, void *user, nat i0, nat delta);
+void markCapabilities (evac_fn evac, void *user);
+void traverseSparkQueues (evac_fn evac, void *user);
+
 /* -----------------------------------------------------------------------------
  * INLINE functions... private below here
  * -------------------------------------------------------------------------- */