* syssignal.h: Declare main_thread.

[bpt/emacs.git] / src / floatfns.c

diff --git a/src/floatfns.c b/src/floatfns.c
index 61879ea..8cd0810 100644 (file)
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -981,6 +981,7 @@ float_error (signo)
   signal (SIGILL, float_error);
 #endif /* BSD_SYSTEM */
 
+  SIGNAL_THREAD_CHECK (signo);
   in_float = 0;
 
   Fsignal (Qarith_error, Fcons (float_error_arg, Qnil));