* Called from STG : NO
* Locks assumed : none
*/
-void workerStart(Task *task);
+#if defined(THREADED_RTS)
+void OSThreadProcAttr workerStart(Task *task);
+#endif
#if defined(GRAN)
void awaken_blocked_queue(StgBlockingQueueElement *q, StgClosure *node);
void initThread(StgTSO *tso, nat stack_size);
#endif
-/* Context switch flag.
- * Locks required : none (conflicts are harmless)
- */
-extern int RTS_VAR(context_switch);
-
/* The state of the scheduler. This is used to control the sequence
* of events during shutdown, and when the runtime is interrupted
* using ^C.
#define SCHED_INTERRUPTING 1 /* ^C detected, before threads are deleted */
#define SCHED_SHUTTING_DOWN 2 /* final shutdown */
-extern rtsBool RTS_VAR(sched_state);
+extern volatile StgWord RTS_VAR(sched_state);
/*
* flag that tracks whether we have done any execution in this time slice.
* INACTIVE to DONE_GC happens under sched_mutex. No lock required
* to set it to ACTIVITY_YES.
*/
-extern nat recent_activity;
+extern volatile StgWord recent_activity;
/* Thread queues.
* Locks required : sched_mutex
*/
extern rtsBool blackholes_need_checking;
+extern rtsBool heap_overflow;
+
#if defined(THREADED_RTS)
extern Mutex RTS_VAR(sched_mutex);
#endif