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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- *********************************************************************
- *
- * 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(void *) PR_MemMap(
- PRFileMap *fmap,
- PRInt64 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);
- }
-