Interruptible FFI calls with pthread_kill and CancelSynchronousIO. v4

[ghc-hetmet.git] / compiler / cmm / CmmCPSGen.hs

diff --git a/compiler/cmm/CmmCPSGen.hs b/compiler/cmm/CmmCPSGen.hs
index a0baa51..924ce9d 100644 (file)
--- a/compiler/cmm/CmmCPSGen.hs
+++ b/compiler/cmm/CmmCPSGen.hs
@@ -232,7 +232,9 @@ foreignCall uniques call results arguments =
     caller_save ++
     [CmmCall (CmmCallee suspendThread CCallConv)
                 [ CmmHinted id AddrHint ]
-                [ CmmHinted (CmmReg (CmmGlobal BaseReg)) AddrHint ]
+                [ CmmHinted (CmmReg (CmmGlobal BaseReg)) AddrHint
+                -- XXX: allow for interruptible suspension
+                , CmmHinted (CmmLit (CmmInt 0 wordWidth)) NoHint ]
                 CmmUnsafe
                  CmmMayReturn,
      CmmCall call results new_args CmmUnsafe CmmMayReturn,