1 files changed, 1 insertions, 0 deletions
diff --git a/intern.h b/intern.h
index aa7e7f7a2e..4e6bc58ae3 100644
--- a/intern.h
+++ b/intern.h
@@ -135,6 +135,7 @@ void thread_sleep _((int));
 void thread_sleep_forever _((void));
 VALUE thread_create _((VALUE (*)(), void *));
 void thread_interrupt _((void));
+void thread_trap_eval _((VALUE, int));
 /* file.c */
 VALUE file_open _((char *, char *));
 int eaccess _((char *, int));