diff options
Diffstat (limited to 'mozilla/nsprpub/pr/src/memory/prshma.c')
-rw-r--r-- | mozilla/nsprpub/pr/src/memory/prshma.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/src/memory/prshma.c b/mozilla/nsprpub/pr/src/memory/prshma.c new file mode 100644 index 0000000..fbc2257 --- /dev/null +++ b/mozilla/nsprpub/pr/src/memory/prshma.c @@ -0,0 +1,142 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* +** 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 */ |