nsprpub/pr/src/memory/prshma.c@ca08bd8f51b2 (annotated)
nsprpub/pr/src/memory/prshma.c
Wed, 31 Dec 2014 06:55:46 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:46 +0100
- changeset 1
- ca08bd8f51b2
- permissions
- -rw-r--r--
Added tag TORBROWSER_REPLICA for changeset 6474c204b198
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | ** prshma.h -- NSPR Anonymous Shared Memory |
| michael@0 | 8 | ** |
| michael@0 | 9 | ** |
| michael@0 | 10 | */ |
| michael@0 | 11 | |
| michael@0 | 12 | #include "primpl.h" |
| michael@0 | 13 | |
| michael@0 | 14 | extern PRLogModuleInfo *_pr_shma_lm; |
| michael@0 | 15 | |
| michael@0 | 16 | #if defined(XP_UNIX) |
| michael@0 | 17 | /* defined in pr/src/md/unix/uxshm.c */ |
| michael@0 | 18 | #elif defined(WIN32) |
| michael@0 | 19 | /* defined in pr/src/md/windows/w32shm.c */ |
| michael@0 | 20 | #else |
| michael@0 | 21 | extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot ) |
| michael@0 | 22 | { |
| michael@0 | 23 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 24 | return NULL; |
| michael@0 | 25 | } |
| michael@0 | 26 | extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf) |
| michael@0 | 27 | { |
| michael@0 | 28 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 29 | return PR_FAILURE; |
| michael@0 | 30 | } |
| michael@0 | 31 | extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring) |
| michael@0 | 32 | { |
| michael@0 | 33 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 34 | return NULL; |
| michael@0 | 35 | } |
| michael@0 | 36 | #endif |
| michael@0 | 37 | |
| michael@0 | 38 | /* |
| michael@0 | 39 | ** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory |
| michael@0 | 40 | ** |
| michael@0 | 41 | */ |
| michael@0 | 42 | PR_IMPLEMENT(PRFileMap*) |
| michael@0 | 43 | PR_OpenAnonFileMap( |
| michael@0 | 44 | const char *dirName, |
| michael@0 | 45 | PRSize size, |
| michael@0 | 46 | PRFileMapProtect prot |
| michael@0 | 47 | ) |
| michael@0 | 48 | { |
| michael@0 | 49 | return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot )); |
| michael@0 | 50 | } /* end PR_OpenAnonFileMap() */ |
| michael@0 | 51 | |
| michael@0 | 52 | /* |
| michael@0 | 53 | ** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export |
| michael@0 | 54 | ** to my children processes via PR_CreateProcess() |
| michael@0 | 55 | ** |
| michael@0 | 56 | ** |
| michael@0 | 57 | */ |
| michael@0 | 58 | PR_IMPLEMENT( PRStatus) |
| michael@0 | 59 | PR_ProcessAttrSetInheritableFileMap( |
| michael@0 | 60 | PRProcessAttr *attr, |
| michael@0 | 61 | PRFileMap *fm, |
| michael@0 | 62 | const char *shmname |
| michael@0 | 63 | ) |
| michael@0 | 64 | { |
| michael@0 | 65 | PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); |
| michael@0 | 66 | return( PR_FAILURE); |
| michael@0 | 67 | } /* end PR_ProcessAttrSetInheritableFileMap() */ |
| michael@0 | 68 | |
| michael@0 | 69 | /* |
| michael@0 | 70 | ** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported |
| michael@0 | 71 | ** by my parent process via PR_CreateProcess() |
| michael@0 | 72 | ** |
| michael@0 | 73 | */ |
| michael@0 | 74 | PR_IMPLEMENT( PRFileMap *) |
| michael@0 | 75 | PR_GetInheritedFileMap( |
| michael@0 | 76 | const char *shmname |
| michael@0 | 77 | ) |
| michael@0 | 78 | { |
| michael@0 | 79 | PRFileMap *fm = NULL; |
| michael@0 | 80 | PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); |
| michael@0 | 81 | return( fm ); |
| michael@0 | 82 | } /* end PR_GetInhteritedFileMap() */ |
| michael@0 | 83 | |
| michael@0 | 84 | /* |
| michael@0 | 85 | ** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap |
| michael@0 | 86 | ** |
| michael@0 | 87 | */ |
| michael@0 | 88 | PR_IMPLEMENT( PRStatus ) |
| michael@0 | 89 | PR_ExportFileMapAsString( |
| michael@0 | 90 | PRFileMap *fm, |
| michael@0 | 91 | PRSize bufSize, |
| michael@0 | 92 | char *buf |
| michael@0 | 93 | ) |
| michael@0 | 94 | { |
| michael@0 | 95 | return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf )); |
| michael@0 | 96 | } /* end PR_ExportFileMapAsString() */ |
| michael@0 | 97 | |
| michael@0 | 98 | /* |
| michael@0 | 99 | ** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string |
| michael@0 | 100 | ** |
| michael@0 | 101 | ** |
| michael@0 | 102 | */ |
| michael@0 | 103 | PR_IMPLEMENT( PRFileMap * ) |
| michael@0 | 104 | PR_ImportFileMapFromString( |
| michael@0 | 105 | const char *fmstring |
| michael@0 | 106 | ) |
| michael@0 | 107 | { |
| michael@0 | 108 | return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring)); |
| michael@0 | 109 | } /* end PR_ImportFileMapFromString() */ |
| michael@0 | 110 | /* end prshma.c */ |
