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