1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Netscape Portable Runtime (NSPR).
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998-2000
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : /*
39 : ** prshma.h -- NSPR Anonymous Shared Memory
40 : **
41 : **
42 : */
43 :
44 : #include "primpl.h"
45 :
46 : extern PRLogModuleInfo *_pr_shma_lm;
47 :
48 : #if defined(XP_UNIX)
49 : /* defined in pr/src/md/unix/uxshm.c */
50 : #elif defined(WIN32)
51 : /* defined in pr/src/md/windows/w32shm.c */
52 : #else
53 : extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot )
54 : {
55 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
56 : return NULL;
57 : }
58 : extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf)
59 : {
60 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
61 : return PR_FAILURE;
62 : }
63 : extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring)
64 : {
65 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
66 : return NULL;
67 : }
68 : #endif
69 :
70 : /*
71 : ** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory
72 : **
73 : */
74 : PR_IMPLEMENT(PRFileMap*)
75 0 : PR_OpenAnonFileMap(
76 : const char *dirName,
77 : PRSize size,
78 : PRFileMapProtect prot
79 : )
80 : {
81 0 : return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot ));
82 : } /* end PR_OpenAnonFileMap() */
83 :
84 : /*
85 : ** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export
86 : ** to my children processes via PR_CreateProcess()
87 : **
88 : **
89 : */
90 : PR_IMPLEMENT( PRStatus)
91 0 : PR_ProcessAttrSetInheritableFileMap(
92 : PRProcessAttr *attr,
93 : PRFileMap *fm,
94 : const char *shmname
95 : )
96 : {
97 0 : PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
98 0 : return( PR_FAILURE);
99 : } /* end PR_ProcessAttrSetInheritableFileMap() */
100 :
101 : /*
102 : ** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported
103 : ** by my parent process via PR_CreateProcess()
104 : **
105 : */
106 : PR_IMPLEMENT( PRFileMap *)
107 0 : PR_GetInheritedFileMap(
108 : const char *shmname
109 : )
110 : {
111 0 : PRFileMap *fm = NULL;
112 0 : PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
113 0 : return( fm );
114 : } /* end PR_GetInhteritedFileMap() */
115 :
116 : /*
117 : ** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap
118 : **
119 : */
120 : PR_IMPLEMENT( PRStatus )
121 0 : PR_ExportFileMapAsString(
122 : PRFileMap *fm,
123 : PRSize bufSize,
124 : char *buf
125 : )
126 : {
127 0 : return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf ));
128 : } /* end PR_ExportFileMapAsString() */
129 :
130 : /*
131 : ** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string
132 : **
133 : **
134 : */
135 : PR_IMPLEMENT( PRFileMap * )
136 0 : PR_ImportFileMapFromString(
137 : const char *fmstring
138 : )
139 : {
140 0 : return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring));
141 : } /* end PR_ImportFileMapFromString() */
142 : /* end prshma.c */
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