X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FCapability.h;h=94306eb6c008128a16f2704ae0a9041d49ffe211;hb=d572aed64d9c40dcc38a49b09d18f301555e4efb;hp=959ab50b3ed33d10cdc0b9fe8916b8e72d8e70c7;hpb=dc6008a61acedd3d0785111cf8955c479cb226a4;p=ghc-hetmet.git

diff --git a/rts/Capability.h b/rts/Capability.h
index 959ab50..94306eb 100644
--- a/rts/Capability.h
+++ b/rts/Capability.h
@@ -162,6 +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.
@@ -199,11 +202,8 @@ void waitForCapability (Task *task, Mutex *mutex, Capability **pCap);
 // Wakes up a thread on a Capability (probably a different Capability
 // from the one held by the current Task).
 //
-void wakeupThreadOnCapability (Capability *cap, StgTSO *tso);
-void wakeupThreadOnCapability_lock (Capability *cap, StgTSO *tso);
-
-void migrateThreadToCapability (Capability *cap, StgTSO *tso);
-void migrateThreadToCapability_lock (Capability *cap, StgTSO *tso);
+void wakeupThreadOnCapability (Capability *my_cap, Capability *other_cap,
+                               StgTSO *tso);
 
 // Wakes up a worker thread on just one Capability, used when we
 // need to service some global event.
@@ -249,6 +249,8 @@ recordMutableCap (StgClosure *p, Capability *cap, nat gen)
 {
     bdescr *bd;
 
+    // We must own this Capability in order to modify its mutable list.
+    ASSERT(cap->running_task == myTask());
     bd = cap->mut_lists[gen];
     if (bd->free >= bd->start + BLOCK_SIZE_W) {
 	bdescr *new_bd;