tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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prshma.c (2672B)

      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,
     22                                            PRFileMapProtect prot) {
     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,
     27                                                 char* buf) {
     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  PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
     33  return NULL;
     34 }
     35 #endif
     36 
     37 /*
     38 ** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory
     39 **
     40 */
     41 PR_IMPLEMENT(PRFileMap*)
     42 PR_OpenAnonFileMap(const char* dirName, PRSize size, PRFileMapProtect prot) {
     43  return (_PR_MD_OPEN_ANON_FILE_MAP(dirName, size, prot));
     44 } /* end PR_OpenAnonFileMap() */
     45 
     46 /*
     47 ** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export
     48 **   to my children processes via PR_CreateProcess()
     49 **
     50 **
     51 */
     52 PR_IMPLEMENT(PRStatus)
     53 PR_ProcessAttrSetInheritableFileMap(PRProcessAttr* attr, PRFileMap* fm,
     54                                    const char* shmname) {
     55  PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
     56  return (PR_FAILURE);
     57 } /* end PR_ProcessAttrSetInheritableFileMap() */
     58 
     59 /*
     60 ** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported
     61 **   by my parent process via PR_CreateProcess()
     62 **
     63 */
     64 PR_IMPLEMENT(PRFileMap*)
     65 PR_GetInheritedFileMap(const char* shmname) {
     66  PRFileMap* fm = NULL;
     67  PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
     68  return (fm);
     69 } /* end PR_GetInhteritedFileMap() */
     70 
     71 /*
     72 ** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap
     73 **
     74 */
     75 PR_IMPLEMENT(PRStatus)
     76 PR_ExportFileMapAsString(PRFileMap* fm, PRSize bufSize, char* buf) {
     77  return (_PR_MD_EXPORT_FILE_MAP_AS_STRING(fm, bufSize, buf));
     78 } /* end PR_ExportFileMapAsString() */
     79 
     80 /*
     81 ** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying
     82 *string
     83 **
     84 **
     85 */
     86 PR_IMPLEMENT(PRFileMap*)
     87 PR_ImportFileMapFromString(const char* fmstring) {
     88  return (_PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring));
     89 } /* end PR_ImportFileMapFromString() */
     90 /* end prshma.c */