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
28 : * of those above. If you wish to allow use of your version of this file only
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 : ** prshm.c -- NSPR Named Shared Memory
40 : **
41 : ** lth. Jul-1999.
42 : */
43 : #include <string.h>
44 : #include "primpl.h"
45 :
46 : extern PRLogModuleInfo *_pr_shm_lm;
47 :
48 :
49 : #if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
50 : /* SysV implementation is in pr/src/md/unix/uxshm.c */
51 : #elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
52 : /* Posix implementation is in pr/src/md/unix/uxshm.c */
53 : #elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
54 : /* Win32 implementation is in pr/src/md/windows/w32shm.c */
55 : #else
56 : /*
57 : ** there is no named_shared_memory
58 : */
59 : extern PRSharedMemory* _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode )
60 : {
61 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
62 : return NULL;
63 : }
64 :
65 : extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
66 : {
67 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
68 : return NULL;
69 : }
70 :
71 : extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
72 : {
73 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
74 : return PR_FAILURE;
75 : }
76 :
77 : extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
78 : {
79 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
80 : return PR_FAILURE;
81 : }
82 :
83 : extern PRStatus _MD_DeleteSharedMemory( const char *name )
84 : {
85 : PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
86 : return PR_FAILURE;
87 : }
88 : #endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
89 :
90 : /*
91 : ** FUNCTION: PR_OpenSharedMemory()
92 : **
93 : */
94 : PR_IMPLEMENT( PRSharedMemory * )
95 0 : PR_OpenSharedMemory(
96 : const char *name,
97 : PRSize size,
98 : PRIntn flags,
99 : PRIntn mode
100 : )
101 : {
102 0 : if (!_pr_initialized) _PR_ImplicitInitialization();
103 0 : return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
104 : } /* end PR_OpenSharedMemory() */
105 :
106 : /*
107 : ** FUNCTION: PR_AttachSharedMemory()
108 : **
109 : */
110 : PR_IMPLEMENT( void * )
111 0 : PR_AttachSharedMemory(
112 : PRSharedMemory *shm,
113 : PRIntn flags
114 : )
115 : {
116 0 : return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
117 : } /* end PR_AttachSharedMemory() */
118 :
119 : /*
120 : ** FUNCTION: PR_DetachSharedMemory()
121 : **
122 : */
123 : PR_IMPLEMENT( PRStatus )
124 0 : PR_DetachSharedMemory(
125 : PRSharedMemory *shm,
126 : void *addr
127 : )
128 : {
129 0 : return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
130 : } /* end PR_DetachSharedMemory() */
131 :
132 : /*
133 : ** FUNCTION: PR_CloseSharedMemory()
134 : **
135 : */
136 : PR_IMPLEMENT( PRStatus )
137 0 : PR_CloseSharedMemory(
138 : PRSharedMemory *shm
139 : )
140 : {
141 0 : return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
142 : } /* end PR_CloseSharedMemory() */
143 :
144 : /*
145 : ** FUNCTION: PR_DeleteSharedMemory()
146 : **
147 : */
148 : PR_EXTERN( PRStatus )
149 0 : PR_DeleteSharedMemory(
150 : const char *name
151 : )
152 : {
153 0 : if (!_pr_initialized) _PR_ImplicitInitialization();
154 0 : return(_PR_MD_DELETE_SHARED_MEMORY( name ));
155 : } /* end PR_DestroySharedMemory() */
156 : /* end prshm.c */
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