*
* Capabilities
*
+ * For details on the high-level design, see
+ * http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/Scheduler
+ *
* A Capability holds all the state an OS thread/task needs to run
* Haskell code: its STG registers, a pointer to its TSO, a nursery
* etc. During STG execution, a pointer to the Capabilitity is kept in
#include "Task.h"
#include "Sparks.h"
-BEGIN_RTS_PRIVATE
+#include "BeginPrivate.h"
struct Capability_ {
// State required by the STG virtual machine when running Haskell
#if defined(THREADED_RTS)
// Worker Tasks waiting in the wings. Singly-linked.
Task *spare_workers;
+ nat n_spare_workers; // count of above
// This lock protects running_task, returning_tasks_{hd,tl}, wakeup_queue.
Mutex lock;
// Stats on spark creation/conversion
nat sparks_created;
+ nat sparks_dud;
nat sparks_converted;
- nat sparks_pruned;
+ nat sparks_gcd;
+ nat sparks_fizzled;
#endif
// Per-capability STM-related data
// For the GC:
void markSomeCapabilities (evac_fn evac, void *user, nat i0, nat delta,
- rtsBool prune_sparks);
+ rtsBool no_mark_sparks);
void markCapabilities (evac_fn evac, void *user);
void traverseSparkQueues (evac_fn evac, void *user);
#endif
-END_RTS_PRIVATE
+#include "EndPrivate.h"
#endif /* CAPABILITY_H */