diff options
Diffstat (limited to 'rts/HeapStackCheck.cmm')
| -rw-r--r-- | rts/HeapStackCheck.cmm | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/rts/HeapStackCheck.cmm b/rts/HeapStackCheck.cmm index 001e5f6299..85fb1cbef6 100644 --- a/rts/HeapStackCheck.cmm +++ b/rts/HeapStackCheck.cmm @@ -230,30 +230,6 @@ stg_gc_prim_p_ll } /* ----------------------------------------------------------------------------- - stg_enter_checkbh is just like stg_enter, except that we also call - checkBlockingQueues(). The point of this is that the GC can - replace an stg_marked_upd_frame with an stg_enter_checkbh if it - finds that the BLACKHOLE has already been updated by another - thread. It would be unsafe to use stg_enter, because there might - be an orphaned BLOCKING_QUEUE now. - -------------------------------------------------------------------------- */ - -/* The stg_enter_checkbh frame has the same shape as an update frame: */ - -INFO_TABLE_RET ( stg_enter_checkbh, RET_SMALL, - UPDATE_FRAME_FIELDS(W_,P_,info_ptr,ccs,p2,updatee)) - return (P_ ret) -{ - foreign "C" checkBlockingQueues(MyCapability() "ptr", - CurrentTSO); - - // we need to return updatee now. Note that it might be a pointer - // to an indirection or a tagged value, we don't know which, so we - // need to ENTER() rather than return(). - ENTER(updatee); -} - -/* ----------------------------------------------------------------------------- Info tables for returning values of various types. These are used when we want to push a frame on the stack that will return a value to the frame underneath it. |