[project @ 2003-12-15 16:43:45 by simonmar]

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

diff --git a/ghc/rts/Schedule.h b/ghc/rts/Schedule.h
index ebbe7d1..c1cf1bf 100644 (file)
--- a/ghc/rts/Schedule.h
+++ b/ghc/rts/Schedule.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Schedule.h,v 1.40 2003/10/01 10:49:09 wolfgang Exp $
+ * $Id: Schedule.h,v 1.43 2003/12/12 16:35:21 simonmar Exp $
  *
  * (c) The GHC Team 1998-1999
  *
@@ -90,6 +90,14 @@ rtsBool wakeUpSleepingThreads(nat);  /* In Select.c */
  */
 void wakeBlockedWorkerThread(void); /* In Select.c */
 
+/* resetWorkerWakeupPipeAfterFork()
+ *
+ * Notify Select.c that a fork() has occured
+ *
+ * Called from STG :  NO
+ * Locks assumed   :  don't care, but must be called right after fork()
+ */
+void resetWorkerWakeupPipeAfterFork(void); /* In Select.c */
 
 /* GetRoots(evac_fn f)
  *
@@ -151,7 +159,7 @@ extern nat         rts_n_waiting_tasks;
 
 StgBool rtsSupportsBoundThreads(void);
 StgBool isThreadBound(StgTSO *tso);
-StgInt forkProcess(StgTSO *tso);
+StgInt forkProcess(HsStablePtr *entry);
 
 extern SchedulerStatus rts_mainLazyIO(HaskellObj p, /*out*/HaskellObj *ret);
 
@@ -250,17 +258,17 @@ void labelThread(StgPtr tso, char *label);
 
 /* Pop the first thread off the runnable queue.
  */
-#define POP_RUN_QUEUE()                                \
-  ({ StgTSO *t = run_queue_hd;                 \
-    if (t != END_TSO_QUEUE) {                  \
-      run_queue_hd = t->link;                  \
-      t->link = END_TSO_QUEUE;                 \
+#define POP_RUN_QUEUE(pt)                      \
+  do { StgTSO *__tmp_t = run_queue_hd;         \
+    if (__tmp_t != END_TSO_QUEUE) {            \
+      run_queue_hd = __tmp_t->link;            \
+      __tmp_t->link = END_TSO_QUEUE;           \
       if (run_queue_hd == END_TSO_QUEUE) {     \
         run_queue_tl = END_TSO_QUEUE;          \
       }                                                \
     }                                          \
-    t;                                         \
-  })
+    pt = __tmp_t;                              \
+  } while(0)
 
 /* Add a thread to the end of the blocked queue.
  */
@@ -306,4 +314,8 @@ void
 startSchedulerTaskIfNecessary(void);
 #endif
 
+#ifdef DEBUG
+extern void sched_belch(char *s, ...);
+#endif
+
 #endif /* __SCHEDULE_H__ */