1 files changed, 74 insertions, 0 deletions
diff --git a/REORG.TODO/posix/tst-nice.c b/REORG.TODO/posix/tst-nice.c
new file mode 100644
index 0000000000..93416f82a6
--- /dev/null
+++ b/REORG.TODO/posix/tst-nice.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 2003-2017 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+/* Test that nice() does not incorrectly return 0.  */
+static int
+do_test (void)
+{
+  int ret;
+  const int incr = 10;
+  int old;
+
+  /* Discover current nice value.  */
+  errno = 0;
+  old = nice (0);
+  if (old == -1 && errno != 0)
+    {
+      printf ("break: nice(%d) return: %d, %m\n", 0, old);
+      return 1;
+    }
+
+  /* Nice ourselves up.  */
+  errno = 0;
+  ret = nice (incr);
+  if (ret == -1 && errno != 0)
+    {
+      printf ("break: nice(%d) return: %d, %m\n", incr, ret);
+      return 1;
+    }
+
+  /* Check for return value being zero when it shouldn't.  Cannot simply
+     check for expected value since nice values are capped at 2^n-1.
+     But we assume that we didn't start at the cap and so should have
+     increased some.  */
+  if (ret <= old)
+    {
+      printf ("FAIL: retval (%d) of nice(%d) != %d\n", ret, incr, old + incr);
+      return 1;
+    }
+
+  /* BZ #18086. Make sure we don't reset errno.  */
+  errno = EBADF;
+  nice (0);
+  if (errno != EBADF)
+    {
+      printf ("FAIL: errno = %i, but wanted EBADF (%i)\n", errno, EBADF);
+      return 1;
+    }
+
+
+  printf ("PASS: nice(%d) from %d return: %d\n", incr, old, ret);
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"