diff options
Diffstat (limited to 'nsprpub/pr/src/memory/prshma.c')
-rw-r--r-- | nsprpub/pr/src/memory/prshma.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/nsprpub/pr/src/memory/prshma.c b/nsprpub/pr/src/memory/prshma.c new file mode 100644 index 0000000000..830b6df51d --- /dev/null +++ b/nsprpub/pr/src/memory/prshma.c @@ -0,0 +1,110 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* +** prshma.h -- NSPR Anonymous Shared Memory +** +** +*/ + +#include "primpl.h" + +extern PRLogModuleInfo *_pr_shma_lm; + +#if defined(XP_UNIX) +/* defined in pr/src/md/unix/uxshm.c */ +#elif defined(WIN32) +/* defined in pr/src/md/windows/w32shm.c */ +#else +extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return NULL; +} +extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +} +extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return NULL; +} +#endif + +/* +** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory +** +*/ +PR_IMPLEMENT(PRFileMap*) +PR_OpenAnonFileMap( + const char *dirName, + PRSize size, + PRFileMapProtect prot +) +{ + return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot )); +} /* end PR_OpenAnonFileMap() */ + +/* +** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export +** to my children processes via PR_CreateProcess() +** +** +*/ +PR_IMPLEMENT( PRStatus) +PR_ProcessAttrSetInheritableFileMap( + PRProcessAttr *attr, + PRFileMap *fm, + const char *shmname +) +{ + PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); + return( PR_FAILURE); +} /* end PR_ProcessAttrSetInheritableFileMap() */ + +/* +** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported +** by my parent process via PR_CreateProcess() +** +*/ +PR_IMPLEMENT( PRFileMap *) +PR_GetInheritedFileMap( + const char *shmname +) +{ + PRFileMap *fm = NULL; + PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 ); + return( fm ); +} /* end PR_GetInhteritedFileMap() */ + +/* +** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap +** +*/ +PR_IMPLEMENT( PRStatus ) +PR_ExportFileMapAsString( + PRFileMap *fm, + PRSize bufSize, + char *buf +) +{ + return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf )); +} /* end PR_ExportFileMapAsString() */ + +/* +** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string +** +** +*/ +PR_IMPLEMENT( PRFileMap * ) +PR_ImportFileMapFromString( + const char *fmstring +) +{ + return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring)); +} /* end PR_ImportFileMapFromString() */ +/* end prshma.c */ |