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comparison: nsprpub/pr/src/memory/prshma.c
nsprpub/pr/src/memory/prshma.c
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| 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 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 PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); | |
| 66 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 PRFileMap *fm = NULL; | |
| 80 PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); | |
| 81 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 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 return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring)); | |
| 109 } /* end PR_ImportFileMapFromString() */ | |
| 110 /* end prshma.c */ |
