#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
-#include <signal.h>
#include "sbcl.h"
+#if defined(LISP_FEATURE_WIN32) && defined(LISP_FEATURE_SB_THREAD)
+#include "pthreads_win32.h"
+#else
+#include <signal.h>
+#endif
#include "runtime.h"
#if defined(LISP_FEATURE_SB_LDB)