Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : /*
       7             : ** prshma.h -- NSPR Anonymous Shared Memory
       8             : **
       9             : ** 
      10             : */
      11             : 
      12             : #include "primpl.h"
      13             : 
      14             : extern PRLogModuleInfo *_pr_shma_lm;
      15             : 
      16             : #if defined(XP_UNIX)
      17             : /* defined in pr/src/md/unix/uxshm.c */
      18             : #elif defined(WIN32)
      19             : /* defined in pr/src/md/windows/w32shm.c */
      20             : #else
      21             : extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot )
      22             : {
      23             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      24             :     return NULL;
      25             : }
      26             : extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf)
      27             : {
      28             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      29             :     return PR_FAILURE;
      30             : }
      31             : extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring)
      32             : {
      33             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      34             :     return NULL;
      35             : }
      36             : #endif
      37             : 
      38             : /*
      39             : ** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory
      40             : **
      41             : */
      42             : PR_IMPLEMENT(PRFileMap*)
      43             : PR_OpenAnonFileMap(
      44             :     const char *dirName,
      45             :     PRSize      size, 
      46             :     PRFileMapProtect prot
      47             : )
      48             : {
      49           0 :     return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot ));
      50             : } /* end PR_OpenAnonFileMap() */
      51             : 
      52             : /*
      53             : ** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export  
      54             : **   to my children processes via PR_CreateProcess()
      55             : **
      56             : **
      57             : */
      58             : PR_IMPLEMENT( PRStatus) 
      59             : PR_ProcessAttrSetInheritableFileMap( 
      60             :     PRProcessAttr   *attr,
      61             :     PRFileMap       *fm, 
      62             :     const char      *shmname
      63             : )
      64             : {
      65           0 :     PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
      66           0 :     return( PR_FAILURE);
      67             : } /* end PR_ProcessAttrSetInheritableFileMap() */ 
      68             : 
      69             : /*
      70             : ** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported
      71             : **   by my parent process via PR_CreateProcess()
      72             : **
      73             : */
      74             : PR_IMPLEMENT( PRFileMap *)
      75             : PR_GetInheritedFileMap( 
      76             :     const char *shmname 
      77             : )
      78             : {
      79           0 :     PRFileMap   *fm = NULL;
      80           0 :     PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
      81           0 :     return( fm );
      82             : } /* end PR_GetInhteritedFileMap() */
      83             : 
      84             : /*
      85             : ** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap
      86             : **
      87             : */
      88             : PR_IMPLEMENT( PRStatus )
      89             : PR_ExportFileMapAsString( 
      90             :     PRFileMap *fm,
      91             :     PRSize    bufSize,
      92             :     char      *buf
      93             : )
      94             : {
      95           0 :     return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf ));
      96             : } /* end PR_ExportFileMapAsString() */
      97             : 
      98             : /*
      99             : ** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string
     100             : **
     101             : **
     102             : */
     103             : PR_IMPLEMENT( PRFileMap * )
     104             : PR_ImportFileMapFromString( 
     105             :     const char *fmstring
     106             : )
     107             : {
     108           0 :     return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring));
     109             : } /* end PR_ImportFileMapFromString() */
     110             : /* end prshma.c */