1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/src/memory/prshma.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 +** prshma.h -- NSPR Anonymous Shared Memory
1.11 +**
1.12 +**
1.13 +*/
1.14 +
1.15 +#include "primpl.h"
1.16 +
1.17 +extern PRLogModuleInfo *_pr_shma_lm;
1.18 +
1.19 +#if defined(XP_UNIX)
1.20 +/* defined in pr/src/md/unix/uxshm.c */
1.21 +#elif defined(WIN32)
1.22 +/* defined in pr/src/md/windows/w32shm.c */
1.23 +#else
1.24 +extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot )
1.25 +{
1.26 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.27 + return NULL;
1.28 +}
1.29 +extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf)
1.30 +{
1.31 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.32 + return PR_FAILURE;
1.33 +}
1.34 +extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring)
1.35 +{
1.36 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.37 + return NULL;
1.38 +}
1.39 +#endif
1.40 +
1.41 +/*
1.42 +** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory
1.43 +**
1.44 +*/
1.45 +PR_IMPLEMENT(PRFileMap*)
1.46 +PR_OpenAnonFileMap(
1.47 + const char *dirName,
1.48 + PRSize size,
1.49 + PRFileMapProtect prot
1.50 +)
1.51 +{
1.52 + return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot ));
1.53 +} /* end PR_OpenAnonFileMap() */
1.54 +
1.55 +/*
1.56 +** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export
1.57 +** to my children processes via PR_CreateProcess()
1.58 +**
1.59 +**
1.60 +*/
1.61 +PR_IMPLEMENT( PRStatus)
1.62 +PR_ProcessAttrSetInheritableFileMap(
1.63 + PRProcessAttr *attr,
1.64 + PRFileMap *fm,
1.65 + const char *shmname
1.66 +)
1.67 +{
1.68 + PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
1.69 + return( PR_FAILURE);
1.70 +} /* end PR_ProcessAttrSetInheritableFileMap() */
1.71 +
1.72 +/*
1.73 +** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported
1.74 +** by my parent process via PR_CreateProcess()
1.75 +**
1.76 +*/
1.77 +PR_IMPLEMENT( PRFileMap *)
1.78 +PR_GetInheritedFileMap(
1.79 + const char *shmname
1.80 +)
1.81 +{
1.82 + PRFileMap *fm = NULL;
1.83 + PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
1.84 + return( fm );
1.85 +} /* end PR_GetInhteritedFileMap() */
1.86 +
1.87 +/*
1.88 +** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap
1.89 +**
1.90 +*/
1.91 +PR_IMPLEMENT( PRStatus )
1.92 +PR_ExportFileMapAsString(
1.93 + PRFileMap *fm,
1.94 + PRSize bufSize,
1.95 + char *buf
1.96 +)
1.97 +{
1.98 + return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf ));
1.99 +} /* end PR_ExportFileMapAsString() */
1.100 +
1.101 +/*
1.102 +** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string
1.103 +**
1.104 +**
1.105 +*/
1.106 +PR_IMPLEMENT( PRFileMap * )
1.107 +PR_ImportFileMapFromString(
1.108 + const char *fmstring
1.109 +)
1.110 +{
1.111 + return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring));
1.112 +} /* end PR_ImportFileMapFromString() */
1.113 +/* end prshma.c */
