X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSchedule.c;h=978adb89c8d7d9c050499a032d812122e2a770be;hb=51cae5224f2f2f5db8b3196d0f5118ba4246701a;hp=d22d48fb8f2b4e4b0d52092029d9b55cf551ad7e;hpb=ea1ad23f58b5e45731b47a1d686c0dd73766e1b7;p=ghc-hetmet.git

diff --git a/rts/Schedule.c b/rts/Schedule.c
index d22d48f..978adb8 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -32,6 +32,7 @@
 #include "Proftimer.h"
 #include "ProfHeap.h"
 #include "GC.h"
+#include "Weak.h"
 
 /* PARALLEL_HASKELL includes go here */
 
@@ -281,6 +282,12 @@ schedule (Capability *initialCapability, Task *task)
 	      "### NEW SCHEDULER LOOP (task: %p, cap: %p)",
 	      task, initialCapability);
 
+  if (running_finalizers) {
+      errorBelch("error: a C finalizer called back into Haskell.\n"
+                 "   use Foreign.Concurrent.newForeignPtr for Haskell finalizers.");
+      stg_exit(EXIT_FAILURE);
+  }
+
   schedulePreLoop();
 
   // -----------------------------------------------------------