LCOV - app.info - nsprpub/pr/src/io/prmmap.c

LCOV - code coverage report
| Current view: | directory - nsprpub/pr/src/io - prmmap.c (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 20 | 0 | 0.0 %
| Date: | 2012-04-07 | Functions: | 5 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is the Netscape Portable Runtime (NSPR).
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-2000
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : /*
          39                 :  *********************************************************************
          40                 :  *
          41                 :  * Memory-mapped files
          42                 :  *
          43                 :  *********************************************************************
          44                 :  */
          45                 :
          46                 : #include "primpl.h"
          47                 :
          48               0 : PR_IMPLEMENT(PRFileMap *) PR_CreateFileMap(
          49                 :     PRFileDesc *fd,
          50                 :     PRInt64 size,
          51                 :     PRFileMapProtect prot)
          52                 : {
          53                 :     PRFileMap *fmap;
          54                 :
          55               0 :     PR_ASSERT(prot == PR_PROT_READONLY || prot == PR_PROT_READWRITE
          56                 :             || prot == PR_PROT_WRITECOPY);
          57               0 :     fmap = PR_NEWZAP(PRFileMap);
          58               0 :     if (NULL == fmap) {
          59               0 :         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
          60               0 :         return NULL;
          61                 :     }
          62               0 :     fmap->fd = fd;
          63               0 :     fmap->prot = prot;
          64               0 :     if (_PR_MD_CREATE_FILE_MAP(fmap, size) == PR_SUCCESS) {
          65               0 :         return fmap;
          66                 :     } else {
          67               0 :         PR_DELETE(fmap);
          68               0 :         return NULL;
          69                 :     }
          70                 : }
          71                 :
          72               0 : PR_IMPLEMENT(PRInt32) PR_GetMemMapAlignment(void)
          73                 : {
          74               0 :     return _PR_MD_GET_MEM_MAP_ALIGNMENT();
          75                 : }
          76                 :
          77               0 : PR_IMPLEMENT(void *) PR_MemMap(
          78                 :     PRFileMap *fmap,
          79                 :     PROffset64 offset,
          80                 :     PRUint32 len)
          81                 : {
          82               0 :     return _PR_MD_MEM_MAP(fmap, offset, len);
          83                 : }
          84                 :
          85               0 : PR_IMPLEMENT(PRStatus) PR_MemUnmap(void *addr, PRUint32 len)
          86                 : {
          87               0 :     return _PR_MD_MEM_UNMAP(addr, len);
          88                 : }
          89                 :
          90               0 : PR_IMPLEMENT(PRStatus) PR_CloseFileMap(PRFileMap *fmap)
          91                 : {
          92               0 :     return _PR_MD_CLOSE_FILE_MAP(fmap);
          93                 : }

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