#endif
+/* Maximum signal number + 1. */
+#ifndef NSIG
+# if defined __TANDEM
+# define NSIG 32
+# endif
+#endif
+
+
#if @GNULIB_SIGPROCMASK@
# if !@HAVE_POSIX_SIGNALBLOCKING@
# endif
/* This code supports only 32 signals. */
-typedef int verify_NSIG_constraint[2 * (NSIG <= 32) - 1];
+typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
# endif