1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/nacl/munmap.c b/sysdeps/nacl/munmap.c
new file mode 100644
index 0000000000..194e409ae8
--- /dev/null
+++ b/sysdeps/nacl/munmap.c
@@ -0,0 +1,32 @@
+/* Deallocate a region of pages.  NaCl version.
+   Copyright (C) 2015 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 <sys/mman.h>
+#include <nacl-interfaces.h>
+
+
+/* Deallocate any mapping for the region starting at ADDR and extending LEN
+   bytes.  Returns 0 if successful, -1 for errors (and sets errno).  */
+
+int
+__munmap (__ptr_t addr, size_t len)
+{
+  return NACL_CALL (__nacl_irt_memory.munmap (addr, len), 0);
+}
+
+weak_alias (__munmap, munmap)