1 files changed, 36 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/linuxthreads/testrtsig.h b/newlib/libc/sys/linux/linuxthreads/testrtsig.h
new file mode 100644
index 000000000..cf36ab08a
--- /dev/null
+++ b/newlib/libc/sys/linux/linuxthreads/testrtsig.h
@@ -0,0 +1,36 @@
+/* Test whether RT signals are really available.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <string.h>
+#include <sys/utsname.h>
+
+#include "kernel-features.h"
+
+static int
+kernel_has_rtsig (void)
+{
+#if __ASSUME_REALTIME_SIGNALS
+  return 1;
+#else
+  struct utsname name;
+
+  return uname (&name) == 0 && __strverscmp (name.release, "2.1.70") >= 0;
+#endif
+}