Import glibc-mainline for 2006-08-16

git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 40 insertions, 0 deletions

diff --git a/libc/sysdeps/mach/munmap.c b/libc/sysdeps/mach/munmap.c
new file mode 100644
index 000000000..03a9c6070
--- /dev/null
+++ b/libc/sysdeps/mach/munmap.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1994, 1995, 1997 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <mach.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)
+{
+  kern_return_t err;
+  if (err = __vm_deallocate (__mach_task_self (),
+			     (vm_address_t) addr, (vm_size_t) len))
+    {
+      errno = err;
+      return -1;
+    }
+  return 0;
+}
+
+weak_alias (__munmap, munmap)