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Use 'GhcMonad' in HscMain.
[ghc-hetmet.git]
/
rts
/
Schedule.c
diff --git
a/rts/Schedule.c
b/rts/Schedule.c
index
a41dd67
..
3f42814
100644
(file)
--- a/
rts/Schedule.c
+++ b/
rts/Schedule.c
@@
-2192,7
+2192,7
@@
static StgTSO *
threadStackUnderflow (Task *task STG_UNUSED, StgTSO *tso)
{
bdescr *bd, *new_bd;
threadStackUnderflow (Task *task STG_UNUSED, StgTSO *tso)
{
bdescr *bd, *new_bd;
- lnat new_tso_size_w, tso_size_w;
+ lnat free_w, tso_size_w;
StgTSO *new_tso;
tso_size_w = tso_sizeW(tso);
StgTSO *new_tso;
tso_size_w = tso_sizeW(tso);
@@
-2207,19
+2207,19
@@
threadStackUnderflow (Task *task STG_UNUSED, StgTSO *tso)
// while we are moving the TSO:
lockClosure((StgClosure *)tso);
// while we are moving the TSO:
lockClosure((StgClosure *)tso);
- new_tso_size_w = round_to_mblocks(tso_size_w/2);
-
- debugTrace(DEBUG_sched, "thread %ld: reducing TSO size from %lu words to %lu",
- (long)tso->id, tso_size_w, new_tso_size_w);
+ // this is the number of words we'll free
+ free_w = round_to_mblocks(tso_size_w/2);
bd = Bdescr((StgPtr)tso);
bd = Bdescr((StgPtr)tso);
- new_bd = splitLargeBlock(bd, new_tso_size_w / BLOCK_SIZE_W);
- new_bd->free = bd->free;
+ new_bd = splitLargeBlock(bd, free_w / BLOCK_SIZE_W);
bd->free = bd->start + TSO_STRUCT_SIZEW;
new_tso = (StgTSO *)new_bd->start;
memcpy(new_tso,tso,TSO_STRUCT_SIZE);
bd->free = bd->start + TSO_STRUCT_SIZEW;
new_tso = (StgTSO *)new_bd->start;
memcpy(new_tso,tso,TSO_STRUCT_SIZE);
- new_tso->stack_size = new_tso_size_w - TSO_STRUCT_SIZEW;
+ new_tso->stack_size = new_bd->free - new_tso->stack;
+
+ debugTrace(DEBUG_sched, "thread %ld: reducing TSO size from %lu words to %lu",
+ (long)tso->id, tso_size_w, tso_sizeW(new_tso));
tso->what_next = ThreadRelocated;
tso->_link = new_tso; // no write barrier reqd: same generation
tso->what_next = ThreadRelocated;
tso->_link = new_tso; // no write barrier reqd: same generation