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