Add mremap tests

Add tests for MREMAP_MAYMOVE and MREMAP_FIXED.  On Linux, also test
MREMAP_DONTUNMAP.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
(cherry picked from commit ff0320bec2810192d453c579623482fab87bfa01)

1 files changed, 25 insertions, 0 deletions

diff --git a/sysdeps/generic/mremap-failure.h b/sysdeps/generic/mremap-failure.h
new file mode 100644
index 0000000..bc0d476
--- /dev/null
+++ b/sysdeps/generic/mremap-failure.h
@@ -0,0 +1,25 @@
+/* mremap failure handling.  Generic version.
+   Copyright (C) 2024 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
+   <https://www.gnu.org/licenses/>.  */
+
+/* Return exit value on mremap failure with errno ERR.  */
+
+static int
+mremap_failure_exit (int err)
+{
+  return EXIT_FAILURE;
+}