fix NACK fix

Fixup for 74fb6feb45.
2013-04-23 07:06:11 -06:00 · 2013-04-23 07:06:11 -06:00 · 5970bbb6bf
commit 5970bbb6bf
parent f09d1d1ae8
1 changed files with 1 additions and 1 deletions
--- a/src/racket/src/thread.c
+++ b/src/racket/src/thread.c
@ -6534,7 +6534,7 @@ static void escape_during_sync(Syncing *syncing)

  syncing->thread = NULL;

-  if (p->sync_box)
+  if (p && p->sync_box)
    scheme_post_sema_all(p->sync_box);
  scheme_post_syncing_nacks(syncing);