Change the NSS and NSPR source tree to the new directory structure to be

mozilla/nsprpub/pr/src/io/prmmap.c

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
- *********************************************************************
- *
- * Memory-mapped files
- *
- *********************************************************************
- */
-
-#include "primpl.h"
-
-PR_IMPLEMENT(PRFileMap *) PR_CreateFileMap(
-    PRFileDesc *fd,
-    PRInt64 size,
-    PRFileMapProtect prot)
-{
-    PRFileMap *fmap;
-
-    PR_ASSERT(prot == PR_PROT_READONLY || prot == PR_PROT_READWRITE
-            || prot == PR_PROT_WRITECOPY);
-    fmap = PR_NEWZAP(PRFileMap);
-    if (NULL == fmap) {
-        PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
-        return NULL;
-    }
-    fmap->fd = fd;
-    fmap->prot = prot;
-    if (_PR_MD_CREATE_FILE_MAP(fmap, size) == PR_SUCCESS) {
-        return fmap;
-    } else {
-        PR_DELETE(fmap);
-        return NULL;
-    }
-}
-
-PR_IMPLEMENT(PRInt32) PR_GetMemMapAlignment(void)
-{
-    return _PR_MD_GET_MEM_MAP_ALIGNMENT();
-}
-
-PR_IMPLEMENT(void *) PR_MemMap(
-    PRFileMap *fmap,
-    PROffset64 offset,
-    PRUint32 len)
-{
-    return _PR_MD_MEM_MAP(fmap, offset, len);
-}
-
-PR_IMPLEMENT(PRStatus) PR_MemUnmap(void *addr, PRUint32 len)
-{
-    return _PR_MD_MEM_UNMAP(addr, len);
-}
-
-PR_IMPLEMENT(PRStatus) PR_CloseFileMap(PRFileMap *fmap)
-{
-    return _PR_MD_CLOSE_FILE_MAP(fmap);
-}