[project @ 2003-09-21 22:20:51 by wolfgang]

[ghc-hetmet.git] / ghc / rts / PrimOps.hc

diff --git a/ghc/rts/PrimOps.hc b/ghc/rts/PrimOps.hc
index ea57f05..9b3f3a4 100644 (file)
--- a/ghc/rts/PrimOps.hc
+++ b/ghc/rts/PrimOps.hc
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: PrimOps.hc,v 1.108 2003/07/03 15:14:58 sof Exp $
+ * $Id: PrimOps.hc,v 1.113 2003/09/21 22:20:55 wolfgang Exp $
  *
  * (c) The GHC Team, 1998-2002
  *
@@ -188,7 +188,7 @@ StgWord GHC_ZCCReturnable_static_info[1];
 #define PUSHED(m)   Sp -= (m); JMP_(ENTRY_CODE(Sp[m]));
 
 # define RET_P(a)     PUSH(1,a); PUSHED(1)
-# define RET_N(a)     PUSH(1,a); PUSHED(2)
+# define RET_N(a)     PUSH(1,a); PUSHED(1)
 
 # define RET_PP(a,b)   PUSH(2,a); PUSH(1,b); PUSHED(2)
 # define RET_NN(a,b)   PUSH(2,a); PUSH(1,b); PUSHED(2)
@@ -1095,6 +1095,15 @@ FN_(labelThreadzh_fast)
   FE_
 }
 
+FN_(isCurrentThreadBoundzh_fast)
+{
+  /* no args */
+  I_ r;
+  FB_
+  r = (I_)(RET_STGCALL1(StgBool, isThreadBound, CurrentTSO));
+  RET_N(r);
+  FE_
+}
 
 /* -----------------------------------------------------------------------------
  * MVar primitives
@@ -1627,19 +1636,23 @@ FN_(delayzh_fast)
   nat target;
 #endif
   FB_
-    /* args: R1.i */
+    /* args: R1.i (microsecond delay amount) */
     ASSERT(CurrentTSO->why_blocked == NotBlocked);
     CurrentTSO->why_blocked = BlockedOnDelay;
 
     ACQUIRE_LOCK(&sched_mutex);
 #ifdef mingw32_TARGET_OS
     /* could probably allocate this on the heap instead */
-    ares = (StgAsyncIOResult*)RET_STGCALL2(P_,stgMallocBytes,sizeof(StgAsyncIOResult), "asyncWritezh_fast");
+    ares = (StgAsyncIOResult*)RET_STGCALL2(P_,stgMallocBytes,sizeof(StgAsyncIOResult), "delayzh_fast");
     reqID = RET_STGCALL1(W_,addDelayRequest,R1.i);
     ares->reqID   = reqID;
     ares->len     = 0;
     ares->errCode = 0;
     CurrentTSO->block_info.async_result = ares;
+    /* Having all async-blocked threads reside on the blocked_queue simplifies matters, so
+     * change the status to OnDoProc & put the delayed thread on the blocked_queue.
+     */
+    CurrentTSO->why_blocked = BlockedOnDoProc;
     APPEND_TO_BLOCKED_QUEUE(CurrentTSO);
 #else
     target = (R1.i / (TICK_MILLISECS*1000)) + getourtimeofday();
@@ -1732,3 +1745,4 @@ FN_(asyncDoProczh_fast)
   FE_
 }
 #endif
+