-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
# include <bits/siginfo-consts.h>
#endif
+#ifdef __USE_MISC
+# include <bits/types/sigval_t.h>
+#endif
+
#ifdef __USE_POSIX199309
# include <bits/types/sigevent_t.h>
# include <bits/sigevent-consts.h>
#define SIGRTMIN (__libc_current_sigrtmin ())
#define SIGRTMAX (__libc_current_sigrtmax ())
+/* System-specific extensions. */
+#include <bits/signal_ext.h>
+
__END_DECLS
#endif /* not signal.h */